CN207276340U - A kind of biogas slurry concentration systems - Google Patents
A kind of biogas slurry concentration systems Download PDFInfo
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- CN207276340U CN207276340U CN201721305306.3U CN201721305306U CN207276340U CN 207276340 U CN207276340 U CN 207276340U CN 201721305306 U CN201721305306 U CN 201721305306U CN 207276340 U CN207276340 U CN 207276340U
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Abstract
The utility model discloses a kind of biogas slurry concentration systems,Including former biogas slurry pond,Former delivery pump,Regulating reservoir,Fine fack,Adjust delivery pump,Level-one raw water box,Concentrated water pond,First-level transport pumps,Level-one accurate filter,By-pass filtration film,Two level raw water box,Two-stage conveying pumps,Two level accurate filter,Two level high-pressure pump,Two level material membrane separation plant,Three-level raw water box,Three-level delivery pump,Three-level accurate filter,Three-level high-pressure pump,Three-level material membrane separation plant,Level Four raw water box,Level Four delivery pump,Level Four accurate filter,Level Four high-pressure pump,Level Four high-pressure material membrane separation plant,Pyatyi raw water box,Pyatyi delivery pump,Pyatyi accurate filter,Five-stage high pressure pumps,Five-stage high pressure material membrane separation plant,Six grades of raw water boxs,Six grades of delivery pumps,Six grades of accurate filters,Six grades of material membrane separation plants,Sour delivery pump,Sour accurate filter,Non-volatile acid solutions storage device.Realize that the classification of active ingredient is concentrated with high power in biogas slurry, ammonia nitrogen extracts completely.
Description
Technical field
It the utility model is related to biogas slurry application technology as the second resource field, and in particular to a kind of biogas slurry concentration systems.
Background technology
Livestock and poultry feces anaerobic fermentation can produce a large amount of biogas slurries, belong to high pollution thing, can not be directly discharged in environment, by building
Cause Construction and operation expense to greatly increase again if post-processing facility carries out processing up to standard, therefore there are problems that serious consumption.
In fact, containing abundant nitrogen, phosphorus, potassium, amino acid in biogas slurry, abundant trace element, B family vitamin, various hydrolases, have
The bioactive substance such as machine acid and humic acid, is good organic fertilizer, stimulates plant growth, strengthen crop anti-adversity and improvement
Product quality.Therefore, biogas slurry can use the secondary use that resource can be achieved as organic fertilizer.But often there are neighbouring farmland to disappear
Receive that scarce capacity, winter utilization be small, long distance transportation cost is excessively high using spatial and temporal distributions are uneven and economy problems, at the same time
Compared with chemical fertilizer or organic commercial fertilizer, every nutrient concentration is relatively low in biogas slurry, and the enthusiasm that peasant utilizes is not high, certain journey
The feasibility of agricultural consumption is limited on degree.Biogas slurry consumption hardly possible also directly limit the popularization of biogas engineering and long-term efficient stable
Operation.
, can be to natural pond for the problems such as biogas slurry yield is big, processing cost is high, storage transport difficult and nutrition content is relatively low
Liquid is concentrated.At present, biogas slurry concentration technique, there are the problem of：
1. nutriment is not separated in biogas slurry, only all nutriments are all concentrated together, it is impossible to efficient profit
With nutriment therein.
2. biogas slurry cycles of concentration is low, the active constituent content in unit volume is not high, causes long distance transportation cost excessive,
It can not be applied interior on a large scale.
3. subsequent evaporation technique initial outlay is big, operating cost is high.
The content of the invention
The purpose of this utility model is to provide a kind of biogas slurry concentration systems, to solve the deficiencies in the prior art.
The utility model uses following technical scheme：
A kind of biogas slurry concentration systems, including former biogas slurry pond, former delivery pump, regulating reservoir, fine fack, adjusting delivery pump, level-one
Raw water box, concentrated water pond, first-level transport pump, level-one accurate filter, by-pass filtration film, two level raw water box, two-stage conveying pump, two level
Accurate filter, two level high-pressure pump, two level material membrane separation plant, three-level raw water box, three-level delivery pump, three-level secondary filter
Device, three-level high-pressure pump, three-level material membrane separation plant, level Four raw water box, level Four delivery pump, level Four accurate filter, level Four are high
Press pump, level Four high-pressure material membrane separation plant, Pyatyi raw water box, Pyatyi delivery pump, Pyatyi accurate filter, five-stage high pressure pump,
Five-stage high pressure material membrane separation plant, six grades of raw water boxs, six grades of delivery pumps, six grades of accurate filters, six grades of material UF membranes are set
Standby, sour delivery pump, sour accurate filter, non-volatile acid solutions storage device,
By-pass filtration film includes ceramic membrane, metal film or tubular ultra-filtration membrane, aperture 30-200nm；Two level material UF membrane
Equipment is rolling ultrafiltration membrane, and the rolling ultrafiltration membrane filtration MW is 1000-3000D, and can retain humic acid and macromolecular has
Machine thing；Three-level material membrane separation plant is rolling NF membrane, and the rolling nanofiltration membrane molecular weight is 100-300D, can be retained
Small organic molecule；Level Four high-pressure material membrane separation plant is dish tubular nanofiltration membrane, the MgSO of the dish tubular nanofiltration membrane4Retention
Rate>97%；Five-stage high pressure material membrane separation plant is disc tube reverse osmosis (dt-ro) film, the NaCl rejections of the disc tube reverse osmosis (dt-ro) film
>98.5%；Six grades of material membrane separation plant main bodys are ammonia nitrogen absorber；
Former biogas slurry pond is connected by former delivery pump with regulating reservoir, sets fine fack after regulating reservoir, then by adjust delivery pump and
Level-one raw water box connects；The concentrated water outlet of level-one raw water box is connected with concentrated water pond, and level-one raw water box is pumped by first-level transport, level-one
Accurate filter is connected with by-pass filtration film, and the trapped fluid outlet of by-pass filtration film is connected with level-one raw water box, by-pass filtration film
Permeate outlet connected with two level raw water box；
Two level raw water box is pumped by two-stage conveying, two level accurate filter, two level high-pressure pump and two level material UF membrane are set
Standby connection, the trapped fluid outlet of two level material membrane separation plant are connected with level Four raw water box, two level material membrane separation plant it is saturating
Liquid outlet is crossed to connect with three-level raw water box；
Level Four raw water box passes through level Four delivery pump, level Four accurate filter, level Four high-pressure pump and level Four high-pressure material film point
Connected from equipment, the trapped fluid outlet of level Four high-pressure material membrane separation plant is connected with level Four raw water box；
Three-level raw water box is set by three-level delivery pump, three-level accurate filter, three-level high-pressure pump and three-level material UF membrane
Standby connection, the trapped fluid outlet of three-level material membrane separation plant are connected with Pyatyi raw water box；
Pyatyi raw water box passes through Pyatyi delivery pump, Pyatyi accurate filter, five-stage high pressure pump and five-stage high pressure material film point
Being connected from equipment, the trapped fluid outlet of five-stage high pressure material membrane separation plant is connected with Pyatyi raw water box,
The permeate outlet of level Four high-pressure material membrane separation plant, the permeate outlet of three-level material membrane separation plant, five
The permeate outlet of level high-pressure material membrane separation plant is connected to six grades of raw water boxs；
Six grades of raw water boxs are connected by six grades of delivery pumps, six grades of accurate filters and six grades of material membrane separation plants, non-to wave
Hair property acid solution storage device is molten by the non-volatile acid of sour delivery pump, sour accurate filter and six grades of material membrane separation plants
Liquid import connects, and the ammonium salt outlet of six grades of material membrane separation plants is connected with non-volatile acid solutions storage device.
Further, ammonia nitrogen absorber includes degassing film.
Further, non-volatile acid solutions storage device includes phosphoric acid solution storage device or sulfuric acid solution storage is set
It is standby.
Further, fine fack aperture is 5-10mm；Level-one accurate filter aperture is 0.8-2mm, and material includes stainless
Steel material；Two level accurate filter aperture 1-10um, material include PP materials；Three-level accurate filter aperture 1-10um, material
Including PP materials；Level Four accurate filter aperture 1-10um, material include PP materials；Pyatyi accurate filter aperture 1-10um,
Material includes PP materials；Six grades of accurate filter aperture 1-10um, material include PP materials.
Further, by-pass filtration film is furnished with circulating pump；Two level high-pressure pump is vertical centrifugal pump；Three-level high-pressure pump is vertical
Centrifugal pump；Level Four high-pressure pump uses tri-plunger high pressure pump；Five-stage high pressure pump uses tri-plunger high pressure pump.
The beneficial effects of the utility model：
1st, the utility model realizes the classification of active ingredient and high power in biogas slurry and concentrates, and ammonium ion is complete in biogas slurry
Extraction.Nutritional ingredient is broadly divided into three parts in biogas slurry：(1) the macromolecular humic acid and larger molecular organics of high power concentration, can
Allotment extraction humic-acid kind chemical fertilizer；(2) small organic molecule of high power concentration, adjustable extraction foliar fertilizer；(3) high-content ammonium salt
Solution recycles, adjustable extraction ammonium salt, the macromolecular that can be concentrated such as ammonium phosphate salt or ammonium sulfate, ammonium phosphate salt with above-mentioned high power
Nitrogen phosphorus fertilizer, practical value and economic benefit is made in humic acid and larger molecular organics or the small organic molecule compounding of high power concentration
It is higher；Ammonium sulfate also can be recycled further, produce economic benefit.
2nd, the utility model retains the humic acid in biogas slurry and larger molecular organics using rolling ultrafiltration membrane, and small molecule has
Machine thing is retained using rolling NF membrane, most active ingredient separating treatment in biogas slurry at last；Afterwards using dish tubular nanofiltration membrane DTNF, dish
Tubular type reverse osmosis membrane DTRO concentrates rolling ultrafiltration membrane trapped fluid and rolling NF membrane trapped fluid again so that cycles of concentration is more
Height, value of exploiting and utilizing bigger.DTNF, DTRO belong to wide runner film, and width of flow path is the several times of similar common rolled film, and film is not
Easily dirty stifled and fouling, has the resistance tocrocking of higher, service life is longer, and the operating pressure of DTNF, DTRO can reach 70-
80bar, the operating pressure of common rolling NF, RO can only achieve 30-40bar, and operating pressure is higher, and cycles of concentration is higher.DTNF、
DTRO normal operations under high pressures, make cycles of concentration reach higher.The utility model realize humic acid in biogas slurry and
Larger molecular organics are separately concentrated with small organic molecule, are efficiently utilized.
3rd, the utility model uses ammonia nitrogen absorber such as degassing film so that deamination is absorbed with ammonia to be completed at the same time, can be obtained
, being capable of secondary use to the ammonium salt solution of high concentration；So that ammonium ion is intended to 0 in outer draining, can qualified discharge, reduce
The final required evaporator of other techniques could to produce water qualified discharge, reduce initial outlay and operating cost；Deamination
Absorb and be integrated with ammonia, save occupied space.
4th, active ingredient cycles of concentration is high in the utility model biogas slurry, and the active ingredient increase of unit volume, improves profit
With efficiency, be conducive to transport and sell.
Brief description of the drawings
Fig. 1 is Tthe utility model system schematic diagram.
Embodiment
The utility model is done with reference to embodiment and attached drawing and is further explained.The following example is merely to illustrate
The utility model, but be not used to limit the scope of the utility model.
A kind of biogas slurry concentration systems, as shown in Figure 1, defeated including former biogas slurry pond, former delivery pump, regulating reservoir, fine fack, adjusting
Send pump, level-one raw water box, concentrated water pond, first-level transport pump, level-one accurate filter, by-pass filtration film, two level raw water box, two level defeated
Send pump, two level accurate filter, two level high-pressure pump, two level material membrane separation plant, three-level raw water box, three-level delivery pump, three-level
Accurate filter, three-level high-pressure pump, three-level material membrane separation plant, level Four raw water box, level Four delivery pump, level Four secondary filter
Device, level Four high-pressure pump, level Four high-pressure material membrane separation plant, Pyatyi raw water box, Pyatyi delivery pump, Pyatyi accurate filter, five
Level high-pressure pump, five-stage high pressure material membrane separation plant, six grades of raw water boxs, six grades of delivery pumps, six grades of accurate filters, six grades of materials
Membrane separation plant, sour delivery pump, sour accurate filter, non-volatile acid solutions storage device,
By-pass filtration film includes ceramic membrane, metal film or tubular ultra-filtration membrane, aperture 30-200nm；By-pass filtration film is furnished with
Circulating pump, adds the circular flow of feed liquid, accelerates the flow velocity of feed liquid so that film surface flow velocity is accelerated, concentration polarization phenomenon
Mitigate, the dirt for avoiding film is blocked up, and extends the service life of film；Two level material membrane separation plant is rolling ultrafiltration membrane, the volume
Formula ultrafiltration membrance filter molecular weight is 1000-3000D, can retain humic acid and larger molecular organics；Three-level material membrane separation plant
For rolling NF membrane, the rolling nanofiltration membrane molecular weight is 100-300D, can retain small organic molecule；Level Four high pressure thing
Material membrane separation plant is dish tubular nanofiltration membrane, the MgSO of the dish tubular nanofiltration membrane4Rejection>97%；Five-stage high pressure material film
Separation equipment is disc tube reverse osmosis (dt-ro) film, the NaCl rejections of the disc tube reverse osmosis (dt-ro) film>98.5%；Six grades of material UF membranes
Equipment body is ammonia nitrogen absorber, such as degassing film, and the degassing film instead of the multiple-effect evaporation of original technique, reduce investment and
Operating cost, and save floor space；Non-volatile acid solutions storage device includes phosphoric acid solution storage device or sulfuric acid is molten
Liquid storage device；
Fine fack aperture is 5-10mm；Level-one accurate filter aperture is 0.8-2mm, and material includes stainless steel；Two
Level accurate filter aperture 1-10um, material include PP materials；Three-level accurate filter aperture 1-10um, material include PP materials
Matter；Level Four accurate filter aperture 1-10um, material include PP materials；Pyatyi accurate filter aperture 1-10um, material include
PP materials；Six grades of accurate filter aperture 1-10um, material include PP materials；
Two level high-pressure pump is vertical centrifugal pump；Three-level high-pressure pump is vertical centrifugal pump；Level Four high-pressure pump is high using three plungers
Press pump；Five-stage high pressure pump uses tri-plunger high pressure pump；Tri-plunger high pressure pump has volumetric efficiency high, reveals the advantages that small, and can
Work under high pressure, can be provided for system higher into film pressure；
Former biogas slurry pond is connected by former delivery pump with regulating reservoir, sets fine fack after regulating reservoir, then by adjust delivery pump and
Level-one raw water box connects；The concentrated water outlet of level-one raw water box is connected with concentrated water pond, and level-one raw water box is pumped by first-level transport, level-one
Accurate filter is connected with by-pass filtration film, and the trapped fluid outlet of by-pass filtration film is connected with level-one raw water box, by-pass filtration film
Permeate outlet connected with two level raw water box；
Two level raw water box is pumped by two-stage conveying, two level accurate filter, two level high-pressure pump and two level material UF membrane are set
Standby connection, the trapped fluid outlet of two level material membrane separation plant are connected with level Four raw water box, two level material membrane separation plant it is saturating
Liquid outlet is crossed to connect with three-level raw water box；
Level Four raw water box passes through level Four delivery pump, level Four accurate filter, level Four high-pressure pump and level Four high-pressure material film point
Connected from equipment, the trapped fluid outlet of level Four high-pressure material membrane separation plant is connected with level Four raw water box；
Three-level raw water box is set by three-level delivery pump, three-level accurate filter, three-level high-pressure pump and three-level material UF membrane
Standby connection, the trapped fluid outlet of three-level material membrane separation plant are connected with Pyatyi raw water box；
Pyatyi raw water box passes through Pyatyi delivery pump, Pyatyi accurate filter, five-stage high pressure pump and five-stage high pressure material film point
Being connected from equipment, the trapped fluid outlet of five-stage high pressure material membrane separation plant is connected with Pyatyi raw water box,
The permeate outlet of level Four high-pressure material membrane separation plant, the permeate outlet of three-level material membrane separation plant, five
The permeate outlet of level high-pressure material membrane separation plant is connected to six grades of raw water boxs；
Six grades of raw water boxs are connected by six grades of delivery pumps, six grades of accurate filters and six grades of material membrane separation plants, non-to wave
Hair property acid solution storage device is molten by the non-volatile acid of sour delivery pump, sour accurate filter and six grades of material membrane separation plants
Liquid import connects, and the ammonium salt outlet of six grades of material membrane separation plants is connected with non-volatile acid solutions storage device.
Biogas slurry concentration is carried out using above-mentioned biogas slurry concentration systems, is included the following steps：
Step 1: the biogas slurry in former biogas slurry pond is delivered to regulating reservoir using former delivery pump, first adjusted pond adjusts, precipitates
Tiny gravel, the insoluble matter in biogas slurry are removed afterwards, recycle the further impurity screening of fine fack, fine fack aperture is 5-
10mm；Biogas slurry COD≤10000mg/L after step 1 filters, ammonia nitrogen≤2000mg/L, the μ S/cm of electrical conductivity≤20000,
So that biogas slurry is easier to separation of solid and liquid in follow-up film processing system；
Step 2: the biogas slurry after filtering is delivered to level-one raw water box using delivery pump is adjusted, then pumped through first-level transport, one
Level accurate filter enters by-pass filtration film, and level-one accurate filter aperture is 0.8-2mm, and material includes stainless steel, and one
Level filter membrane includes ceramic membrane, metal film or tubular ultra-filtration membrane, aperture 30-200nm, and by-pass filtration film uses what is continuously filtered
Mode filters biogas slurry, and membrane flux is 30-60L/ ㎡ .h, operating pressure 0.1-0.3MPa, and by-pass filtration film be furnished with circulating pump, transmission
Liquid enters two level raw water box, and trapped fluid is back to level-one raw water box, in level-one raw water box biogas slurry volume concentration to after 1/10th,
Concentrated water pond is delivered to, fertilising is rushed for ten times up to concentration；
Step 3: the permeate in two level raw water box through two-stage conveying by pumping, two level accurate filter, two level high-pressure pump
Into two level material membrane separation plant, two level accurate filter aperture 1-10um, material includes PP materials, and two level high-pressure pump is vertical
Formula centrifugal pump, two level material membrane separation plant are rolling ultrafiltration membrane, and the rolling ultrafiltration membrane filtration MW is 1000-3000D,
Humic acid and larger molecular organics can be retained, membrane flux is 20-30L/ ㎡ .h, operating pressure 0.3-0.7MPa, during operation, is passed through
Flow quantity：Retain flow quantity=9：1, permeate enters three-level raw water box, and trapped fluid enters level Four raw water box；
Step 4: the permeate in three-level raw water box enters through three-level delivery pump, three-level accurate filter, three-level high-pressure pump
Three-level material membrane separation plant, three-level accurate filter aperture 1-10um, material include PP materials, three-level high-pressure pump for it is vertical from
Heart pump, three-level material membrane separation plant are rolling NF membrane, and the rolling nanofiltration membrane molecular weight is 100-300D, can be retained
Small organic molecule, membrane flux are 15-25L/ ㎡ .h, operating pressure 0.6-1.4MPa, during operation, through flow quantity：Trapped fluid
Flow=9：1, permeate enters six grades of raw water boxs, and trapped fluid enters Pyatyi raw water box, and the trapped fluid in Pyatyi raw water box is through five
Level delivery pump, Pyatyi accurate filter, five-stage high pressure pump enter five-stage high pressure material membrane separation plant, Pyatyi accurate filter hole
Footpath 1-10um, material include PP materials, and five-stage high pressure pump uses tri-plunger high pressure pump, and five-stage high pressure material membrane separation plant is dish
Tubular type reverse osmosis membrane, the NaCl rejections of the disc tube reverse osmosis (dt-ro) film>98.5%, filtered by the way of continuously filtering, film
Flux 10-20L/ ㎡ .h, operating pressure 5-7MPa, permeate enter six grades of raw water boxs, and trapped fluid is back to Pyatyi raw water box, and five
Level raw water box inner volume is concentrated into 1/3rd, and biogas slurry small molecular organic matter concentrates 30 times, you can is allocated to obtain dense
The foliar fertilizer that 30 times of contracting biogas slurry；Trapped fluid in level Four raw water box passes through high through level Four delivery pump, level Four accurate filter, level Four
Press pump enters level Four high-pressure material membrane separation plant, level Four accurate filter aperture 1-10um, and material includes PP materials, and level Four is high
Press pump uses tri-plunger high pressure pump, and level Four high-pressure material membrane separation plant is dish tubular nanofiltration membrane, the dish tubular nanofiltration membrane
MgSO4Rejection>97%, dish tubular nanofiltration membrane is filtered by the way of continuously filtering, membrane flux 15-25L/ ㎡ .h, operation pressure
Power 3-5MPa, permeate enter six grades of raw water boxs, and trapped fluid is back to level Four raw water box, and level Four raw water box inner volume is concentrated into three
/ mono-, humic acid and larger molecular organics concentrate 30 times in biogas slurry, you can are allocated to obtain the corruption of 30 times of biogas slurry of concentration
Phytic acid class chemical fertilizer；
Step 5: the permeate in six grades of raw water boxs enters six grades of material films through six grades of delivery pumps, six grades of accurate filters
Separation equipment, non-volatile acid solutions include phosphoric acid solution or sulfuric acid solution and are conveyed by non-volatile acid solutions storage device through acid
Pump and sour accurate filter enter six grades of material membrane separation plants；Six grades of accurate filter aperture 1-10um, material include PP materials
Matter, six grades of material membrane separation plant main bodys are ammonia nitrogen absorber, and such as degassing film, degassing film list branch film flow velocity 0.4-0.6t/h, is grasped
Make pressure 0.2-0.3MPa, permeate reacts deamination with non-volatile acid solutions in film column, water qualified discharge, shape are produced after deamination
Into ammonium salt be back to non-volatile acid solutions storage device, further to collect ammonium salt.10wt% phosphoric acid solutions or 10wt%
Ammonia nitrogen is dense in biogas slurry after the amount that sulfuric acid solution finally absorbs ammonia nitrogen can reach adjusted pond in unit volume, fine fack is handled
25-35 times of degree.
Claims (5)
1. a kind of biogas slurry concentration systems, it is characterised in that defeated including former biogas slurry pond, former delivery pump, regulating reservoir, fine fack, adjusting
Send pump, level-one raw water box, concentrated water pond, first-level transport pump, level-one accurate filter, by-pass filtration film, two level raw water box, two level defeated
Send pump, two level accurate filter, two level high-pressure pump, two level material membrane separation plant, three-level raw water box, three-level delivery pump, three-level
Accurate filter, three-level high-pressure pump, three-level material membrane separation plant, level Four raw water box, level Four delivery pump, level Four secondary filter
Device, level Four high-pressure pump, level Four high-pressure material membrane separation plant, Pyatyi raw water box, Pyatyi delivery pump, Pyatyi accurate filter, five
Level high-pressure pump, five-stage high pressure material membrane separation plant, six grades of raw water boxs, six grades of delivery pumps, six grades of accurate filters, six grades of materials
Membrane separation plant, sour delivery pump, sour accurate filter, non-volatile acid solutions storage device,
By-pass filtration film includes ceramic membrane, metal film or tubular ultra-filtration membrane, aperture 30-200nm；Two level material membrane separation plant
For rolling ultrafiltration membrane, the rolling ultrafiltration membrane filtration MW is 1000-3000D, can retain humic acid and larger molecular organics；
Three-level material membrane separation plant is rolling NF membrane, and the rolling nanofiltration membrane molecular weight is 100-300D, can retain small point
Sub- organic matter；Level Four high-pressure material membrane separation plant is dish tubular nanofiltration membrane, the MgSO of the dish tubular nanofiltration membrane4Rejection>
97%；Five-stage high pressure material membrane separation plant is disc tube reverse osmosis (dt-ro) film, the NaCl rejections of the disc tube reverse osmosis (dt-ro) film>
98.5%；Six grades of material membrane separation plant main bodys are ammonia nitrogen absorber；
Former biogas slurry pond is connected by former delivery pump with regulating reservoir, and fine fack is set after regulating reservoir, then by adjusting delivery pump and level-one
Raw water box connects；The concentrated water outlet of level-one raw water box is connected with concentrated water pond, and level-one raw water box is pumped by first-level transport, level-one is accurate
Filter is connected with by-pass filtration film, and the outlet of the trapped fluid of by-pass filtration film is connected with level-one raw water box, by-pass filtration film it is saturating
Liquid outlet is crossed to connect with two level raw water box；
Two level raw water box is pumped by two-stage conveying, two level accurate filter, two level high-pressure pump and two level material membrane separation plant connect
Connect, the trapped fluid outlet of two level material membrane separation plant is connected with level Four raw water box, the permeate of two level material membrane separation plant
Outlet is connected with three-level raw water box；
Level Four raw water box is set by level Four delivery pump, level Four accurate filter, level Four high-pressure pump and level Four high-pressure material UF membrane
Standby connection, the trapped fluid outlet of level Four high-pressure material membrane separation plant are connected with level Four raw water box；
Three-level raw water box is connected by three-level delivery pump, three-level accurate filter, three-level high-pressure pump and three-level material membrane separation plant
Connect, the trapped fluid outlet of three-level material membrane separation plant is connected with Pyatyi raw water box；
Pyatyi raw water box is set by Pyatyi delivery pump, Pyatyi accurate filter, five-stage high pressure pump and five-stage high pressure material UF membrane
Standby connection, the trapped fluid outlet of five-stage high pressure material membrane separation plant are connected with Pyatyi raw water box,
The permeate outlet of level Four high-pressure material membrane separation plant, the permeate outlet of three-level material membrane separation plant, Pyatyi are high
The permeate outlet of pressure material membrane separation plant is connected to six grades of raw water boxs；
Six grades of raw water boxs are connected by six grades of delivery pumps, six grades of accurate filters and six grades of material membrane separation plants, non-volatile
Acid solution storage device by the non-volatile acid solutions of sour delivery pump, sour accurate filter and six grades of material membrane separation plants into
Mouth connection, the ammonium salt outlet of six grades of material membrane separation plants are connected with non-volatile acid solutions storage device.
2. biogas slurry concentration systems according to claim 1, it is characterised in that ammonia nitrogen absorber includes degassing film.
3. biogas slurry concentration systems according to claim 1, it is characterised in that non-volatile acid solutions storage device includes phosphorus
Acid solution storage device or sulfuric acid solution storage device.
4. biogas slurry concentration systems according to claim 1, it is characterised in that fine fack aperture is 5-10mm；Level-one is accurate
Filter pore size is 0.8-2mm, and material includes stainless steel；Two level accurate filter aperture 1-10um, material include PP materials
Matter；Three-level accurate filter aperture 1-10um, material include PP materials；Level Four accurate filter aperture 1-10um, material include
PP materials；Pyatyi accurate filter aperture 1-10um, material include PP materials；Six grades of accurate filter aperture 1-10um, material
Including PP materials.
5. biogas slurry concentration systems according to claim 1, it is characterised in that by-pass filtration film is furnished with circulating pump；Two level is high
Press pump is vertical centrifugal pump；Three-level high-pressure pump is vertical centrifugal pump；Level Four high-pressure pump uses tri-plunger high pressure pump；Five-stage high pressure pumps
Using tri-plunger high pressure pump.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487882A (en) * | 2017-10-11 | 2017-12-19 | 杭州碟滤膜技术有限公司 | A kind of biogas slurry concentration systems and method |
| CN109607870A (en) * | 2019-01-02 | 2019-04-12 | 上海环境工程设计研究院有限公司 | A kind of biogas slurry recycling treatment process |
| CN110316847A (en) * | 2019-06-24 | 2019-10-11 | 湖北百清环保技术有限公司 | A kind of methane liquid Multistage Membranes concentrating and treating system and method |
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2017
- 2017-10-11 CN CN201721305306.3U patent/CN207276340U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107487882A (en) * | 2017-10-11 | 2017-12-19 | 杭州碟滤膜技术有限公司 | A kind of biogas slurry concentration systems and method |
| CN107487882B (en) * | 2017-10-11 | 2023-04-18 | 杭州碟滤膜技术有限公司 | Biogas slurry concentration system and method |
| CN109607870A (en) * | 2019-01-02 | 2019-04-12 | 上海环境工程设计研究院有限公司 | A kind of biogas slurry recycling treatment process |
| CN110316847A (en) * | 2019-06-24 | 2019-10-11 | 湖北百清环保技术有限公司 | A kind of methane liquid Multistage Membranes concentrating and treating system and method |
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