CN104803501A - Extraction device and extraction process for wet-process treatment of waste water fat from animals dead of diseases - Google Patents
Extraction device and extraction process for wet-process treatment of waste water fat from animals dead of diseases Download PDFInfo
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- CN104803501A CN104803501A CN201510225343.2A CN201510225343A CN104803501A CN 104803501 A CN104803501 A CN 104803501A CN 201510225343 A CN201510225343 A CN 201510225343A CN 104803501 A CN104803501 A CN 104803501A
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Abstract
The invention relates to an extraction device and an extraction process for wet-process treatment of waste water fat from animals dead of diseases. The device comprises a regulating tank, a solid-liquid separating system, a heating system and an oil-water separating system, wherein the solid-liquid separating system consists of a vibrating screen, a horizontal screw centrifuge, conveying pumps, a tank body for receiving screening liquid, a tank body for receiving screening residues, a tank body for receiving residues from the horizontal screw centrifuge and a tank body for receiving liquid from the horizontal screw centrifuge; the heating system consists of a steam distributing cylinder, a heating tank and a hot water tank; the oil-water separating system consists of a two-phase separator, a three-phase separator, an oil storage sump, a gear pump, an oil storage tank, a tank body for receiving water and residues from the three-phase separator, a tank body for receiving water and residues from the two-phase separator and a waste water collecting pool. According to the process provided by the invention, by using the screening of the vibrating screen, the treatment of the horizontal screw centrifuge, two-phase separation and the three-phase separation, solid residues, oil and water in the treatment waste water of the animals dead of diseases can be better separated; the extraction device and the extraction process can be applied to the field of animal harmless treatment.
Description
Technical field
The invention belongs to Oil in Sewage Water water and be separated processing technology field, be specifically related to a kind of animals died of illness humidifying method process waste water and be separated extraction element and the technique of suspended substance in waste water.
Background technology
Flourish along with sewage disposal cause, the oily water separation research in sewage disposal is also carried out more in depth rationalizing, precision.At present, research about process waste water suspension is more, mainly for fields such as food and drink, municipal effluent, industrial sewages, the treatment technology of animals died of illness humidifying method process waste water suspension is still not clear and requires Water in oil rate less than 5%, oil length less than 1% in water, its intractability is well imagined.
Both at home and abroad about oil-water separation method, coarse filtration, filtration and membrane sepn, all easily cause blocking, and execute-in-place difficulty is large; The methods such as air flotation, absorption and cohesion need drop into a large amount of medicament; Active sludge, biological filter and ultrasonic wave cost are too high, only use the process of a small amount of oil-containing water; For the oil-containing water process of the industries such as oil refining, coking, iron and steel, because its treatment capacity is large and oil concentration is high, the technical process of old three covers of general employing, the i.e. multilevel processing technology such as gravity separation-flotation-biochemical treatment, but invest huge, occupation of land is many, and turndown ratio is little, oil resource is difficult to reclaim, and easily causes secondary pollution.The weak point existed for the treatment technology of animals died of illness humidifying method process waste water suspension is at present: (1) whole technical process site space layout unsightly; (2) Controlling System has not yet realized full automatic control, though the little workload of actual hands-on working strength is more; (3) in technical process, modules degree of coupling is high, indispensable, if break down, easily causes entirety normally to run; (4) cost is higher, and popularization difficulty is larger.
Therefore, exist for the extraction element of animals died of illness humidifying method process waste water suspension and technique and further improve and optimize demand, this is the power that is accomplished of the present invention and starting point place just.
Summary of the invention
In order to overcome the above-mentioned technical problem that prior art exists, the present inventor after having carried out a large amount of further investigations, thus completes the present invention.
The present invention relates to two aspects, in particular to a kind of humidifying method process animals died of illness waste water grease extraction element and technique.
First aspect, the present invention relates to a kind of humidifying method process animals died of illness waste water grease extraction element, comprise regulating tank, solid-liquid separation system, heating system and oil-water separation system, described solid-liquid separation system is by vibratory screening apparatus, horizontal screw centrifuge, transferpump, vibratory screening apparatus, accept the casing of screening liquid, accept the casing of screening slag, accept the casing of horizontal screw centrifuge slag, accept the casing composition of horizontal screw centrifuge liquid, described heating system is by steam sub-cylinder, heating tank, hot-water cylinder forms, described oil-water separation system is by two-phase separating machine, three-phase separator, oil storage vessel, toothed gear pump, storage tank, accept the casing of three-phase centrifuge water and slag, accept the casing of two-phase whizzer slag, wastewater collection pond forms.
Preferably, the top of described regulating tank is provided with transferpump and stirrer, and the bottom of described regulating tank is communicated with the vibratory screening apparatus of transferpump with described solid-liquid separation system by pipeline, valve.
Preferably, the casing of described undertaking horizontal screw centrifuge liquid is communicated with described heating tank by pipeline, and described heating tank is communicated with the two-phase separating machine of described oil-water separation system by pipeline.
Preferably, described steam sub-cylinder is communicated with described regulating tank, heating tank, hot-water cylinder by pipeline.
Second aspect, the present invention relates to a kind of technique utilizing said apparatus to extract humidifying method process animals died of illness waste water grease, comprises the steps:
Step one, is conveyed into waste water and regulates filling to carry out heating and thermal insulation;
Step 2, Vibration on Start-up is sieved, and the waste water of regulating tank is conveyed into vibratory screening apparatus and sieves, and obtains screening liquid, then screening liquid is conveyed into horizontal screw centrifuge and carries out centrifugal, obtain the liquid be separated;
Step 3, the Liquid transfer of described separation is entered in heating tank to heat, is first conveyed into two-phase separating machine and carries out the separation of slag liquid, then liquid portion is inputted in three-phase separator again and carry out oily water separation, obtain grease, reach the object be separated by the grease in waste water.
Preferably, further comprising the steps of after step 3: the hot water in hot-water cylinder is cleaned oil-water separation system by pipeline.
Compared with prior art, beneficial effect of the present invention is as follows: the separation process scheme of the process waste water that the present invention proposes is from vibratory screening apparatus, horizontal screw centrifuge, two-phase laminated flow to three phase separation, macrobead in waste water raw material is removed gradually, concentration is that step reduces trend, profit also obtains good separation simultaneously, the wastewater characteristics for the process of animals died of illness humidifying method is described, combination process must be adopted could to ensure good comprehensive separating effect, therefore, can be applicable to animal harmless treatment field.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is the structural representation of device provided by the invention;
Fig. 2 is the work operation logic schematic diagram of modules in device provided by the invention;
Fig. 3 is the schematic flow sheet of technique provided by the invention.
In figure: 1 is the first transferpump, 2 is the first regulating tank, 3 is the second regulating tank, 4 is the second transferpump, 5 is valve, 6 is vibratory screening apparatus, 7 for accepting the casing of screening liquid, 8 for accepting the casing of screening slag, 9 is horizontal screw centrifuge, 10 for accepting the casing of horizontal screw centrifuge liquid, 11 for accepting the casing of horizontal screw centrifuge slag, 12 is the 4th transferpump, 13 is heating tank, 14 is two-phase separating machine, 15 is three-phase separator, 16 is oil storage vessel, 17 is toothed gear pump, 18 is storage tank, 19 for accepting the casing of three-phase separator water and slag, 20 for accepting the casing of two-phase separating machine slag, 21 is wastewater collection pond, 22 is the 3rd transferpump, 23 is hot-water cylinder, 24 is steam sub-cylinder.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
A kind of humidifying method process animals died of illness waste water grease extraction element as depicted in figs. 1 and 2, comprises regulating tank, solid-liquid separation system, heating system and oil-water separation system; Regulating tank is made up of the first regulating tank 2, second regulating tank 3; Solid-liquid separation system is made up of vibratory screening apparatus 6, horizontal screw centrifuge 9, the 3rd transferpump 22, the 4th transferpump 12, the casing 7 accepting screening liquid, the casing 8 accepting screening slag, the casing 10 accepting horizontal screw centrifuge liquid, the casing 11 accepting horizontal screw centrifuge slag and electric control system; Heating system is made up of steam sub-cylinder 24, heating tank 13, hot-water cylinder 23; Oil-water separation system is made up of two-phase separating machine 14, three-phase separator 15, oil storage vessel 16, toothed gear pump 17, storage tank 18, the casing 19 accepting three-phase centrifuge water and slag, the casing 20 accepting two-phase whizzer slag, wastewater collection pond 21; The top of the first regulating tank 2 and the second regulating tank 3 is provided with the first transferpump 1 and stirrer, and the first regulating tank 2 is communicated with the vibratory screening apparatus 6 of solid-liquid separation system by pipeline, the second transferpump 4, valve 5 with the bottom of the second regulating tank 3; The casing 10 accepting horizontal screw centrifuge liquid is communicated with heating tank 13 by pipeline, and heating tank 13 is communicated with two-phase separating machine 14 by pipeline; Steam sub-cylinder 24 is communicated with the first regulating tank 2, second regulating tank 3, heating tank 13, hot-water cylinder 23 by pipeline.
In humidifying method process animals died of illness waste water grease extraction element of the present invention, regulating tank carries out heating, temperature keeping to waste water, vibrosieve removal of impurities, sleeping spiral shell centrifugal solid-liquid is separated, steam heating and viscosity reducing, two-phase solid-liquid idetified separation, three phase separation grease extracts, wherein, animals died of illness humidifying method discharge cooking water and squeeze water sends into the first regulating tank 2 by the first transferpump 1 and the second regulating tank 3 is kept in, first regulating tank 2 is connected steam warming pipeline respectively with above the second regulating tank 3, utilize steam heating and ensure that the first regulating tank 2 and the second regulating tank 3 Raw temperature are at 50-60 degree, below is respectively equipped with bleeder valve and is connected with the second transferpump 4, one layer of heat preservation material is wrapped up respectively in outside, and turbine mixer is equipped with respectively in the inside.
In the present invention, the second transferpump 4 is connected to valve 5 place of vibratory screening apparatus entrance, and material removes the thick slag of major part through vibratory screening apparatus 6; The liquid after vibrosieve and slag is accepted respectively by two casings.The liquid accepted in the casing 7 of screening liquid is connected to the 3rd transferpump 22 by pipeline, and by Flange joint to horizontal screw centrifuge 9, through the sleeping centrifugal further solid-liquid separation of spiral shell, is accepted liquid and the slag of horizontal screw centrifuge separation by two casings respectively.
In the present invention, the liquid in the casing 10 of undertaking horizontal screw centrifuge liquid, by the 4th transferpump 12 suction heating tank 13, through high-temperature steam direct heating to 90 DEG C, guarantees that postorder is put forward oily operation and run well.
In the present invention, two-phase separating machine 14 is led in material connection in heating tank 13, the material that two-phase laminated flow goes out directly enters three-phase separator 15 and carries out oil, water, slag three phase separation, be separated the grease obtained and be temporarily stored in oil storage vessel 16, final by toothed gear pump 17 suction storage tank 18, three phase separation water outlet and slag are accepted by casing 19, and two-phase laminated flow machine slag slurry is accepted by casing 20, and above-mentioned casing 19 and casing 20 connect threeway and flow into wastewater collection pond 21.
As shown in Figure 3, technological process of the present invention is as follows: Vibration on Start-up sieve 6; Open bleeder valve below regulating tank; Second transferpump 4 standard-sized sheet; Start the second transferpump 4, slowly open valve 5, observe vibratory screening apparatus slag notch, make slag notch humidity of slagging tap be that loblolly shape (not dropping down water) is advisable; Slag bucket completely after change sky slag bucket in time, full slag bucket is discharged to baking oven charging rubber conveyer, finally enters baking oven.
Open horizontal screw centrifuge 9 Controlling System and regulate its frequency size, the frequency controlling small machine is adjusted to 32, and the frequency controlling heavy motor is adjusted to 36; First start little frequency transformer, when little frequency converter frequency is raised to more than 4, restart large frequency transformer, when two frequency transformers are raised to setpoint frequency, open the 3rd transferpump 22, screening liquid pump is entered horizontal screw centrifuge 9.
Start the 4th transferpump 12, observe heating filling 13 liquidometer, make material fill heating filling 13 (liquid level number about 120), stop the second transferpump 4; Open material steam valve, start heating, if emit steam above heating tank 13, turn down to vapour amount.
In heating tank 13, material fills period, starts two-phase separating machine 14, starts three-phase separator 15.After these two separating machines start, open hot water and steam valve, the little valve of half-open hot-water line, observe corresponding temperature table, water temp. heating is to 50 ~ 60 DEG C; After separating machine normal operation pilot lamp lights, open the water intaking valve of separating machine, hot water enters separating machine running 10-15 minute.Observe materail tube thermometer, temperature reaches more than 90 DEG C; Close water intaking valve, slowly open feed valve and start charging, observe two-phase separating machine feed-pipe visor, make degree of filling reach about 2/3, system enters a point oil stage; Divide in oily process, two-phase and three phase separation chance carry out intermittent type automatic sludge discharge.Generally, material entered separating machine after about 20 minutes, can start fuel-displaced; Three-phase separator start fuel-displaced after by oil outlet pipe outlet put into oil storage vessel 16; Before oil storage vessel 16 is about to fill, opens toothed gear pump 17 and be delivered to storage tank 18; Before storage tank 18 is fuel-displaced, open steam valve, make grease keep liquid, unsuitable excessive to vapour amount, avoid waste.
During heating tank 13 material liquid level drop by half left and right, restart vibratory screening apparatus 6, carry out according to above working process.After material processes, close material, hot water steam supply valve, hot water fills with the hot water washing separator in 23, keeps about 30 minutes.After separating machine is emptying, stop separating machine; Tank, material heater below cleaning regulating tank (first regulating tank 2 and the second regulating tank 3), vibratory screening apparatus 6, horizontal screw centrifuge 9, vibratory screening apparatus and horizontal screw centrifuge, and emptying equipment and pipeline leftover materials.Stop all devices, close all valves, mobile three-phase separator 15 oil outlet pipe, and put into separating machine ash pit.Pay special attention to: vibratory screening apparatus 6 is not slagged tap and just can be stopped; Horizontal screw centrifuge 9 must treat that slag drains only, treat size frequency converter frequency subtract completely get off after close again.
The raw material of regulating tank storage every day in the present invention is 10-15t, and need be warmed to 50-60 ° of next operation link of being allowed for access; Regulating tank is formed by the cast iron process that 8mm is thick, and market still can not directly be bought; The steam boiler of heating must special messenger to be taken appointment with certificate operation; The thermal insulation layer lagging material of regulating tank and the stirrer of regulating tank can commercially directly be bought.
The composition of vibratory screening apparatus 6: all adopt 304 stainless steels to process with material contact part, length × wide × the height of whole vibratory screening apparatus is 2102mm × 1270mm × 1250mm, be equipped with the vibrator of two 0.55kw, screen cloth is 40 orders, longly × wide to be fixed by the screw of 18 M10mm, 9 M10mm respectively, side adds by the lid of 304 stainless steels making to ensure that material temperature maintains 50-60 degree on the vibrating, the opening for feed of vibratory screening apparatus increases the casing with closing up, and ensures that the uniform liquid entering screen cloth flows through slowly.
Horizontal screw centrifuge 9 rotary drum is LW350; wear 7.5kW, 15kW two major-minor motors; by the running of the Frequency Converter Control horizontal screw centrifuge of 7.5kW, 15kW, first start little frequency transformer, when little frequency converter frequency is raised to more than 4; restart large frequency transformer; when two frequency transformers are raised to setpoint frequency, open the 3rd transferpump, the screening liquid pump of vibratory screening apparatus 6 is entered horizontal screw centrifuge 9; after terminating, must clean horizontal screw centrifuge can shut down.
Heating tank 13 is processed by 304 stainless steels of radius 800mm, inside establishes ball float to be convenient to the switch of control the 4th transferpump 12, is equipped with sub-cylinder and steam warming pipeline, ensures that the temperature of heating pot liquid maintains 90 degree by adjusting air inflow quantity and flooding quantity.Liquid in heating tank 13 flows automatically to two-phase separating machine 14 preferably by difference of altitude, two-phase separating machine 14 and three-phase separator 15 model are YZDH-312, and rotating speed can reach 6520r/min, and built-in video disc number is 110 ± 5, roller diameter is 470mm, is equipped with 18.5kW motor.
The isolated oil of three-phase separator 15 flows directly into 200m by wired hose
3oil storage vessel 16, with plank fixed teeth wheel pump 17 above oil storage vessel, utilize toothed gear pump 17 to be pumped in the storage tank 18 of 200L-500L by the oil be separated in oil storage vessel 16, can long-distance transportation.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (6)
1. a humidifying method process animals died of illness waste water grease extraction element, it is characterized in that, comprise regulating tank, solid-liquid separation system, heating system and oil-water separation system, described solid-liquid separation system is by vibratory screening apparatus, horizontal screw centrifuge, transferpump, vibratory screening apparatus, accept the casing of screening liquid, accept the casing of screening slag, accept the casing of horizontal screw centrifuge slag, accept the casing composition of horizontal screw centrifuge liquid, described heating system is by steam sub-cylinder, heating tank, hot-water cylinder forms, described oil-water separation system is by two-phase separating machine, three-phase separator, oil storage vessel, toothed gear pump, storage tank, accept the casing of three-phase centrifuge water and slag, accept the casing of two-phase whizzer slag, wastewater collection pond forms.
2. a kind of humidifying method process animals died of illness waste water grease extraction element as claimed in claim 1, it is characterized in that, the top of described regulating tank is provided with transferpump and stirrer, and the bottom of described regulating tank is communicated with the vibratory screening apparatus of transferpump with described solid-liquid separation system by pipeline, valve.
3. a kind of humidifying method process animals died of illness waste water grease extraction element as claimed in claim 1, it is characterized in that, the casing of described undertaking horizontal screw centrifuge liquid is communicated with described heating tank by pipeline, and described heating tank is communicated with the two-phase separating machine of described oil-water separation system by pipeline.
4. a kind of humidifying method process animals died of illness waste water grease extraction element as claimed in claim 1, it is characterized in that, described steam sub-cylinder is communicated with described regulating tank, heating tank, hot-water cylinder by pipeline.
5. utilize device described in any one of claim 1-4 to extract the technique of humidifying method process animals died of illness waste water grease, comprise the steps:
Step one, is conveyed into waste water and regulates filling to carry out heating and thermal insulation;
Step 2, Vibration on Start-up is sieved, and the waste water of regulating tank is conveyed into vibratory screening apparatus and sieves, and obtains screening liquid, then screening liquid is conveyed into horizontal screw centrifuge and carries out centrifugal, obtain the liquid be separated;
Step 3, the Liquid transfer of described separation is entered in heating tank to heat, is first conveyed into two-phase separating machine and carries out the separation of slag liquid, then liquid portion is inputted in three-phase separator again and carry out oily water separation, obtain grease, reach the object be separated by the grease in waste water.
6. technique as claimed in claim 5, is characterized in that, further comprising the steps of after described step 3: the hot water in hot-water cylinder is cleaned oil-water separation system by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225343.2A CN104803501B (en) | 2015-05-04 | 2015-05-04 | Humidifying method processes animals died of illness waste water oils and fatss extraction element and technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510225343.2A CN104803501B (en) | 2015-05-04 | 2015-05-04 | Humidifying method processes animals died of illness waste water oils and fatss extraction element and technique |
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| CN104803501A true CN104803501A (en) | 2015-07-29 |
| CN104803501B CN104803501B (en) | 2017-03-01 |
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| CN201510225343.2A Active CN104803501B (en) | 2015-05-04 | 2015-05-04 | Humidifying method processes animals died of illness waste water oils and fatss extraction element and technique |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205310A (en) * | 2013-05-08 | 2013-07-17 | 长沙理工大学 | Method for sequentially extracting tea saponin and tea seed oil from oil-tea camellia seeds |
| CN103627508A (en) * | 2012-08-22 | 2014-03-12 | 长春市农业机械研究院 | Processing method and complete equipment of animal grease |
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2015
- 2015-05-04 CN CN201510225343.2A patent/CN104803501B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103627508A (en) * | 2012-08-22 | 2014-03-12 | 长春市农业机械研究院 | Processing method and complete equipment of animal grease |
| CN103205310A (en) * | 2013-05-08 | 2013-07-17 | 长沙理工大学 | Method for sequentially extracting tea saponin and tea seed oil from oil-tea camellia seeds |
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