CN202490478U - Low-temperature vacuum dehydration/drying complete plant - Google Patents
Low-temperature vacuum dehydration/drying complete plant Download PDFInfo
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- CN202490478U CN202490478U CN2012200664704U CN201220066470U CN202490478U CN 202490478 U CN202490478 U CN 202490478U CN 2012200664704 U CN2012200664704 U CN 2012200664704U CN 201220066470 U CN201220066470 U CN 201220066470U CN 202490478 U CN202490478 U CN 202490478U
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- membrane filter
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Abstract
The utility model discloses a low-temperature vacuum dehydration/drying complete plant, comprising a filter system, a filter pressing system, a heating circulation system, a vacuum-pumping system and an air compressor system, wherein the filter system comprises at least one membrane filter plate and at least one heating filter plate; a material chamber is arranged between the heating filter plate and the membrane filter plate; the membrane filter plate is provided with a first feeding hole and a first outlet, while the heating filter plate is provided with a second feeding hole and a second outlet; the first and second feeding holes are connected to the material chamber; the first and second outlets are connected together; the membrane filter plate is further provided with a first liquid inlet and a first liquid outlet and the heating filter plate is further provided with a second liquid inlet and a second liquid inlet; one end of the filter pressing system is connected to the first liquid inlet of the membrane filter plate, while the other end of the filter pressing system is connected to the first liquid outlet; and one end of the heating circulation system is connected to the second liquid inlet of the heating filter plate, while the other end of the heating circulation system is connected to the second liquid outlet. The low-temperature vacuum dehydration/drying complete plant is capable of continuously completing the steps of material hydration, washing, filter pressing and drying.
Description
Technical field
The utility model belongs to the solid-liquid separation technique field, relates to a kind of cryogenic vacuum dehydration and drying complete set of equipments specifically.
Background technology
To unmanageable fine particle stage material and to require the high material of filter plate solid content to carry out Separation of Solid and Liquid be a great problem.The various complicacy of conventional process flow in addition; Disposal like mud needs independently technological process of multiple tracks; And traditional mummification equipment separates with dehydration equipment, and floor space is big, and conversion needs time and labour between dehydration and the mummification simultaneously; Increase the pressure on environmental protection, the safety, can't realize the minimizing of material.
The utility model content
The technical problem that the utility model will solve provides a kind of cryogenic vacuum dehydration and drying complete set of equipments, on a set of equipment, just can accomplish the operations such as dehydration, washing, press filtration and mummification of material continuously.
The utility model adopts following technical scheme:
A kind of cryogenic vacuum dehydration and drying complete set of equipments comprises:
Filtration system; Said filtration system comprises at least one membrane filter plate and at least one heating filter plate; Be the material chamber between said heating filter plate and the membrane filter plate, said membrane filter plate is provided with first charging aperture, first outlet, and said heating filter plate is provided with second charging aperture, second outlet; Said first, second charging aperture is connected with the material chamber respectively; Said first, second outlet connects, and also is provided with first inlet, first liquid outlet on the said membrane filter plate, also is provided with second inlet, second liquid outlet on the said heating filter plate;
Press filteration system, said press filteration system one end is connected with first inlet of said membrane filter plate, and the other end is connected with first liquid outlet;
Heating circulation system, said heating circulation system one end is connected with second inlet of said heating filter plate, and the other end is connected with second liquid outlet;
Pumped vacuum systems, said pumped vacuum systems vacuumizes the material chamber; And
Air compression system, said air compression system carries out forward blowing and reverse blowing respectively to filtration system, displaces the moisture in filter cake and each filter plate.
The utility model has abandoned that (this stage filter efficiency is extremely low with the way of long charging densification filter cake in the closely knit one-tenth cake stage; Only increase and to the sandwich further dehydration of filter cake for the compactness that makes filter cake, need account for whole filtration times 60～70%).In the closely knit one-tenth cake stage, adopt water under high pressure to make the barrier film press filtration of parcel filter cake, the press filtration power of two-dimensional direction has been destroyed " arch bridge " that forms between particle, makes the filter cake densification, and the filtrating that remains between particle voids is extruded; Capillary water in the filter cake then utilizes air blast to pass through filter cake, carries out the percolation displacement, and the capillary water in the filter cake is further discharged, and reduces filter cake moisture content to greatest extent to reach.
In addition, material is after processes such as filtration, autoclave diaphragm press filtration, air blast air blowing percolation and vacuum heat drying are handled, and the moisture content in the filter cake is removed fully, and inventory significantly reduces, and has realized the minimizing of material to greatest extent.
The utility model has changed traditional with filtering means dehydration and mummification separation processes flow process, accomplishes continuously on same equipment that pan feeding filters, barrier film filter-press dehydration and vacuum and low temperature mummification, has started " filtrations " and " mummification " beginning with the machine completion.Can once the material dewatering mummification be reached the degree that the user needs.
Description of drawings
The structural representation of the cryogenic vacuum dehydration and drying complete set of equipments that Fig. 1 relates to for the utility model.
A kind of embodiment of the filtration system in the cryogenic vacuum dehydration and drying complete set of equipments that Fig. 2 relates to for the utility model.
A kind of embodiment of the heating filter plate in the cryogenic vacuum dehydration and drying complete set of equipments filtration system that Fig. 3 relates to for the utility model.
A kind of embodiment of the membrane filter plate in the cryogenic vacuum dehydration and drying complete set of equipments filtration system that Fig. 4 relates to for the utility model.
The specific embodiment
Referring to Fig. 1, the cryogenic vacuum dehydration and drying complete set of equipments that relates to for the utility model.Comprise filtration system 1, said filtration system 1 comprises at least one membrane filter plate 13 and at least one heating filter plate 12, is material chamber 15 between said heating filter plate 12 and the membrane filter plate 13.See Fig. 2, comprise a plate 11 and tailgate 14 in the filtration system 1, said membrane filter plate 13 is a polylith with heating filter plate 12, and between a plate 11 and tailgate 14, is arranged alternately.See Fig. 4, said membrane filter plate 13 is a plate frame structure, comprises substrate, barrier film and filter cloth.Form the barrier film inner chamber in the substrate, the barrier film inner chamber can feed compressed air, hot and cold water, steam or conduction oil.The rubber-coated barrier film in the basic left and right sides has good heat conductivility.See Fig. 3, said heating filter plate 12 is similarly frame structure, comprises heating filter plate inner chamber, and heating filter plate framework is for meeting metal material, and heating filter plate inner chamber can feed steam, hot water, conduction oil circulation heating or electrical heating and realize the material heating function.In the material chamber 15 of material between membrane filter plate 13 and heating filter plate 12.Material can closely contact with the metal heat-conducting parts of heating filter plate 12 and realize the heat conduction, heats filter plate 12 simultaneously and adopts plastics with the extraneous frame part that contacts, and can play and extraneous heat-insulating function, and heat loss is minimum.Can know by figure; In the filtration system 1 with material chamber 15, heating filter plate 12, material chamber 15, membrane filter plate 13, material chamber 15, heating filter plate 12, material chamber 15, membrane filter plate 13 ... cycle arrangement of order; And plate 11 seals with tailgate 14 on adding, the inboard filter cloth that coats equally of a plate 11 and tailgate 14.
Said membrane filter plate 13 is provided with first charging aperture 133, first and exports 134; Said heating filter plate 12 is provided with second charging aperture 123, second and exports 124; Said first, second charging aperture 133,123 is connected with material chamber 15 respectively; Said first, second outlet 134,124 connects, and also is provided with first inlet 131, first liquid outlet 132 on the said membrane filter plate 13, also is provided with second inlet 121, second liquid outlet 122 on the said heating filter plate 12.The center of said plate 11 is provided with combined feed mouth 16, and this combined feed mouth 16 is communicated with the charging aperture of each membrane filter plate 13, heating filter plate 12; Also be provided with general export 17 on said the plate 11, this general export 17 is communicated with the outlet of each membrane filter plate 13, heating filter plate 12.
Can be known that by Fig. 1 the centre of filtration system 1 is a combined feed mouth 16, what upper and lower was arranged is general export 17.First inlet 131 of said membrane filter plate 13, the feed liquor of first liquid outlet 132, fluid direction be perpendicular to the feedstock direction of first charging aperture 133 on the membrane filter plate 13, and the feed liquor of second inlet 121 of heating filter plate 12, liquid outlet, fluid direction are perpendicular to the feedstock direction of second charging aperture 123 on the heating filter plate 12.
The concrete structure of membrane filter plate 13 can be 201120498495.7 Chinese utility application referring to application number; The concrete structure of heating filter plate 13 can be the Chinese utility application of 201120498066.x referring to application number.
The cryogenic vacuum dehydration and drying complete set of equipments that the utility model relates to also comprises press filteration system 2, and said press filteration system 2 one ends are connected with first inlet 131 of said membrane filter plate 13, and the other end is connected with first liquid outlet 132.Said press filteration system 2 comprises press filtration water tank 21, press filtration pump 22.Said press filteration system 2 is responsible for first inlet, the 131 input high-pressure mediums to said membrane filter plate 13.High-pressure medium can get in the diaphragm cavity that is made up of barrier film and membrane filter plate substrate and barrier film after getting into from first inlet 131, and then a bulging barrier film is to the material filter-press dehydration.Moisture in the material and can from first liquid outlet 132, discharge less than the particle in filter cloth aperture gets into press filteration system 2 once more, forms circulation.
The cryogenic vacuum dehydration and drying complete set of equipments that the utility model relates to also comprises heating circulation system 3, and said heating circulation system 3 one ends are connected with second inlet 121 of said heating filter plate 12, and the other end is connected with second liquid outlet 122.Said heating circulation system 3 comprises hot-water boiler 31, heat-exchanger pump 32.Said heating circulation system 3 is to second inlet, the 121 input thermal mediums of said heating filter plate 12.Connect through runner between second inlet 121, second liquid outlet 122.Thermal medium is got into by second inlet 121, and the runner of flowing through flows out from second liquid outlet 122 again, gets into heating circulation system 3 once more, forms circulation.When thermal medium flows in the runner again, can be through heating filter plate 12 heating surfaces to the material heating that circulates.Aqueous vapor through the material that heats produces is passed through filter cloth, runner, and second liquid outlet 122 is discharged from second liquid outlet 122.
The cryogenic vacuum dehydration and drying complete set of equipments that the utility model relates to also comprises pumped vacuum systems 4, and said pumped vacuum systems 4 comprises cooling system 41 and vacuum machine 42.Said pumped vacuum systems 4 is connected with the general export 17 of a plate 11; Said general export 17 also is connected with the filtrate discharge pipeline; On said pumped vacuum systems 4 and branch road that a plate 11 is connected, establish valve 43, on the general export 17 of said plate 11 and branch road that said filtrate discharge pipeline is connected, establish valve 61.Also connecting dewatered sludge induction system 6 on the filtrate discharge pipeline simultaneously.Said pumped vacuum systems 4 can vacuumize material chamber 15.Make that vacuum reaches 50～70mbar in the chamber, and then the boiling point of water is reduced to 45 ℃～50 ℃.The effect of cooling system 41 condensations is that the vapour of from chamber, extracting out, aqueous mixtures are condensed into water, and then discharges.
The cryogenic vacuum dehydration and drying complete set of equipments that the utility model relates to also comprises air compression system 5, and 5 pairs of filtration systems 1 of said air compression system are carried out forward blowing and reverse blowing respectively, displace the moisture in filter cake and each filter plate.Said tailgate 14 is provided with blowing mouth 18, and the outlet of said blowing mouth 18 and each membrane filter plate 13, heating filter plate 12 is connected, and said air compression system 5 forwards blowing end is connected with said blowing mouth 18, oppositely dry hold with said plate 11 on combined feed mouth 16 be connected.So-called " forward blowing " is the outlet entering of high pressure draught from filtration system 1, evenly blows the filter cake of wearing in the material chamber 15, displaces capillary water and free clearance water in filter cake and each filter plate, and filter cake is further dewatered.The tailgate 14 of forward blowing inherent filtration system 1 gets into, and behind each filter chamber, is discharged by the general export 17 of a plate 11.So-called " reverse blowing " is the charging aperture entering of high pressure draught from filtration system 1, to clean each filter plate centre bore remaining high moisture slurry and the total moisture of runner, discharged by the outlet of each filter plate again, finally gets into the filtrate discharge pipeline.
The cryogenic vacuum dehydration and drying complete set of equipments that the utility model relates to also comprises automatic flushing device, can realize the automatic cleaning of filter cloth.Also have safety system, filter press has disposed protection of light curtain and emergency braking device, can effectively protect the safety near the staff of filter press.
The cryogenic vacuum dehydration and drying complete set of equipments that the utility model relates to adopts following processing step:
1) material is sent into first charging aperture 133 of said filtration system 1 septation filter plate 13 and filter, material forms filter cake in said material chamber 15;
2) said press filteration system 2 ends to first inlet, the 131 input high pressure of said membrane filter plate 13, and the barrier film that promotes on the membrane filter plate 13 is heaved, and filter cake is produced extruding;
3) 5 pairs of said filtration system 1 forward blowings of said air compression system are oppositely dried to filtration system 1 again, displace the moisture in filter cake and each filter plate;
4) said heating circulation system 3 is to second inlet, the 121 input thermal mediums of said heating filter plate 12, moisture in the heating surface heating filter cake of heating filter plate 12;
5) 4 pairs of said material chambers 15 of said pumped vacuum systems vacuumize;
6) stop to vacuumize, thermal medium refluxes, discharging.
In the step 1),, slip is pumped in each material chamber 15 by the pump pressure curve according to the filtering feature of different material; The filtration power that utilizes pump pressure to provide makes filtrating discharge through filter medium; Particle dams to put up a bridge and forms filter cake, realizes that solid-liquid two is separated, and is full of material chamber 15 until material.
Step 2) in, is after pan feeding filters end, adopts like the barrier film on the high-pressure medium promotion membrane filter plate 13 of water under high pressure and heave; Filter cake is produced the compression of two-dimensional direction; Destroyed " arch bridge " structure that forms between particle, made the further densification of filter cake, the filtrating that remains in the particle gap is extruded.
In the step 3), be divided into for two steps, behind the filter-press dehydration joint, the barrier film on the membrane filter plate 13 keeps the extruding to filter cake before this, and feeds high pressure draught and evenly blow and wear filter cake, displaces capillary water and free clearance water in filter cake and each filter plate, and filter cake is further dewatered.Blowback then, compressed air feed charging aperture to be carried out, and cleans the high moisture slurry of each filter plate centre bore participation and the moisture in each runner.
In the step 4), utilize the interior water of heating surface heating filter cake of heating filter plate 12, the capillary water in the filter cake is further discharged.Like this, the energy consumption of filter cake reduction moisture content is significantly less than fully by adding the energy consumption that the heat abstraction capillary water divides.
In the step 5), heating circulation system 3 keeps second inlet, the 121 input thermal mediums to said heating filter plate 12.In the efficient stage of removing capillary moisture, filter chamber is vacuumized, the boiling point of water reduces under vacuum condition, and heating filter plate 12 continues heating, and filter cake is heated, and moisture low boiling vaporization is wherein discharged.The vacuum heat conduction mummification that continues, the moisture that moisture constantly reduces up to filter cake reaches requirement.
In the step 6), the vacuum mummification stops to vacuumize after finishing, and thermal medium is refluxed.After hydraulic pressure and extraneous balance in material chamber 15 internal gas pressures, the barrier film, system divides into groups filter plate to draw back fast, and discharging is closed up filter plate after finishing automatically once more fast, accomplishes whole filtration mummification circulation, gets into next work period.
Claims (9)
1. cryogenic vacuum dehydration and drying complete set of equipments is characterized in that comprising:
Filtration system (1); Said filtration system (1) comprises at least one membrane filter plate (13) and at least one heating filter plate (12); Be material chamber (15) between said heating filter plate (12) and the membrane filter plate (13); Said membrane filter plate (13) is provided with first charging aperture (133), first outlet (134); Said heating filter plate (12) is provided with second charging aperture (123), second outlet (124), and said first, second charging aperture (133,123) is connected with material chamber (15) respectively, and said first, second outlet (134,124) connects; Also be provided with first inlet (131), first liquid outlet (132) on the said membrane filter plate (13), also be provided with second inlet (121), second liquid outlet (122) on the said heating filter plate (12);
Press filteration system (2), said press filteration system (2) one ends are connected with first inlet (131) of said membrane filter plate (13), and the other end is connected with first liquid outlet (132);
Heating circulation system (3), said heating circulation system (3) one ends are connected with second inlet (121) of said heating filter plate (12), and the other end is connected with second liquid outlet (122);
Pumped vacuum systems (4), said pumped vacuum systems (4) vacuumizes material chamber (15); And
Air compression system (5), said air compression system (5) carries out forward blowing and reverse blowing respectively to filtration system (1), displaces the moisture in filter cake and each filter plate.
2. cryogenic vacuum dehydration and drying complete set of equipments according to claim 1; It is characterized in that: comprise a plate (11) and tailgate (14) in the said filtration system (1); Said membrane filter plate (13) and heating filter plate (12) are polylith, and between a plate (11) and tailgate (14), are arranged alternately.
3. cryogenic vacuum dehydration and drying complete set of equipments according to claim 2 is characterized in that: the center of said plate (11) is provided with combined feed mouth (16), and this combined feed mouth (16) is communicated with the charging aperture of each membrane filter plate (13), heating filter plate (12);
Also be provided with general export (17) on said the plate (11), this general export (17) is communicated with the outlet of each membrane filter plate (13), heating filter plate (12).
4. cryogenic vacuum dehydration and drying complete set of equipments according to claim 1; It is characterized in that: first inlet (131) of said membrane filter plate (13), the feed liquor of first liquid outlet (132), fluid direction be perpendicular to the feedstock direction of last first charging aperture of membrane filter plate (13) (133), and the feed liquor of second inlet (121) of heating filter plate (12), liquid outlet, fluid direction are perpendicular to the feedstock direction of heating filter plate (12) last second charging apertures (123).
5. cryogenic vacuum dehydration and drying complete set of equipments according to claim 3; It is characterized in that: said tailgate (14) is provided with blowing mouth (18); Said blowing mouth (18) is connected with the outlet of each membrane filter plate (13), heating filter plate (12); Said air compression system (5) forward blowing end is connected with said blowing mouth (18), oppositely dry hold with said plate (11) on combined feed mouth (16) be connected.
6. cryogenic vacuum dehydration and drying complete set of equipments according to claim 3; It is characterized in that: said pumped vacuum systems (4) is connected with the general export (17) of a plate (11); Said general export (17) also is connected with the filtrate discharge pipeline; On said pumped vacuum systems (4) and branch road that a plate (11) is connected, establish valve (43), on the general export (17) of said plate (11) and branch road that said filtrate discharge pipeline is connected, establish valve (61).
7. cryogenic vacuum dehydration and drying complete set of equipments according to claim 1 is characterized in that: said press filteration system (2) comprises press filtration water tank (21), press filtration pump (22).
8. cryogenic vacuum dehydration and drying complete set of equipments according to claim 1 is characterized in that: said heating circulation system (3) comprises hot-water boiler (31), heat-exchanger pump (32).
9. cryogenic vacuum dehydration and drying complete set of equipments according to claim 1 is characterized in that: said pumped vacuum systems (4) comprises cooling system (41) and vacuum machine (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200664704U CN202490478U (en) | 2012-02-27 | 2012-02-27 | Low-temperature vacuum dehydration/drying complete plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200664704U CN202490478U (en) | 2012-02-27 | 2012-02-27 | Low-temperature vacuum dehydration/drying complete plant |
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| Publication Number | Publication Date |
|---|---|
| CN202490478U true CN202490478U (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200664704U Withdrawn - After Issue CN202490478U (en) | 2012-02-27 | 2012-02-27 | Low-temperature vacuum dehydration/drying complete plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285637A (en) * | 2012-02-27 | 2013-09-11 | 上海复洁环保科技有限公司 | Low-temperature vacuum dehydration and drying equipment as well as process thereof |
| CN103342731A (en) * | 2013-07-29 | 2013-10-09 | 中国环境科学研究院 | Separation, rinsing and drying integrated method in saponin extraction technology |
| CN109179962A (en) * | 2018-11-01 | 2019-01-11 | 宁夏神耀科技有限责任公司 | The processing method and its system and device of coal gasification filter cake depth dehydration |
| CN112957783A (en) * | 2021-04-07 | 2021-06-15 | 宁夏神耀科技有限责任公司 | Device and method for phase change deep dehydration of solid-liquid mixture |
-
2012
- 2012-02-27 CN CN2012200664704U patent/CN202490478U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285637A (en) * | 2012-02-27 | 2013-09-11 | 上海复洁环保科技有限公司 | Low-temperature vacuum dehydration and drying equipment as well as process thereof |
| CN103285637B (en) * | 2012-02-27 | 2016-03-30 | 上海复洁环保科技股份有限公司 | Low-temperature vacuum dehydration mummification complete set of equipments and technique thereof |
| CN103342731A (en) * | 2013-07-29 | 2013-10-09 | 中国环境科学研究院 | Separation, rinsing and drying integrated method in saponin extraction technology |
| CN103342731B (en) * | 2013-07-29 | 2015-08-12 | 中国环境科学研究院 | Separation, rinsing and drying integrated method in saponin extraction technology |
| CN109179962A (en) * | 2018-11-01 | 2019-01-11 | 宁夏神耀科技有限责任公司 | The processing method and its system and device of coal gasification filter cake depth dehydration |
| CN112957783A (en) * | 2021-04-07 | 2021-06-15 | 宁夏神耀科技有限责任公司 | Device and method for phase change deep dehydration of solid-liquid mixture |
| CN112957783B (en) * | 2021-04-07 | 2024-03-19 | 宁夏神耀科技有限责任公司 | Device and method for deep dehydration of solid-liquid mixture phase change |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200433 room 323, No. 401-17, National Road, Shanghai, Yangpu District Patentee after: SHANGHAI FUJIE ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Patentee after: Clean environment engineering (Suzhou) Co., Ltd. Address before: 200433 room 323, No. 401-17, National Road, Shanghai, Yangpu District Patentee before: Shanghai Clean Environment Operation Co., Ltd. Patentee before: Clean environment engineering (Suzhou) Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20160330 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |