CN1291770C - Continuous belt press filter - Google Patents
Continuous belt press filter Download PDFInfo
- Publication number
- CN1291770C CN1291770C CN01111436.3A CN01111436A CN1291770C CN 1291770 C CN1291770 C CN 1291770C CN 01111436 A CN01111436 A CN 01111436A CN 1291770 C CN1291770 C CN 1291770C
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- liquid
- draper
- press filter
- strainer
- adhesive tape
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- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/24—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a continuous belt press filter which is characterized in that an annular filter belt bearing materials passes through one or multiple pressurizing liquid removing areas continuously pressurized by liquid. The continuous belt press filter is composed of an upper adhesive belt running mechanism, a lower adhesive belt running mechanism, a filter belt running mechanism, a material feeding device, a material packing and sealing device, a material pressurizing and liquid removing mechanism, a material discharging mechanism, a filter belt cleaning device, a filter belt storing device and a detecting device for the damage and the deviation of the filter belt. Compared with the prior art, the present invention has the following advantages of simple and reliable structure, flexible parameter regulation, high liquid removing rate of materials, high productive efficiency, multiple material application kinds, wide application liquid containing rate of materials, low system power and low running cost.
Description
Technical field
The invention belongs to solid-liquid separating equipment, relate to a kind of Draper-type consecutive press filter.
Background technology
Solid-liquid separating equipment is a widely used equipment in the national product, be mainly used in the separation of solid particle in the liquid in production and the environment friendly system, the particularly enhancing of people's environmental consciousness, the discharging of producing refuse is had higher requirement, the technical performance of solid-liquid separating equipment is had more and more higher requirement and to the more demand of equipment, and present solid-liquid separating equipment can't well satisfy these requirements.
Prior art and equipment at " filtering technique " (metallurgical industry publishing house/Ding Qisheng, Wang Wei first-class work/2000 years versions), " in the coal separation handbook (Coal Industry Press/1993 year version) abundant introduction is arranged, close structural device is with reference to ZL97233886.1 and ZL96197202.5.Existing solid-liquid separating equipment structure and principle are: contain solid formation liquid (below be commonly referred to as material) on the ring-shaped filtering belt after one section gravity takes off liquid, be placed on again between two ring-shaped filtering belts, continuing operation is looped around on a series of cylinders, material is under interacting between cylinder and the ring-shaped filtering belt, extrusion shearing and slough liquid repeatedly, it takes off the liquid effect and is directly proportional with squeeze force and squeezing time; Take off the liquid effect for further strengthening, on the part cylinder, establish vacuum and take off the liquid zone; At discharge zone with two ring-shaped filtering belts separately, unload the material after concentrating, above process is finished a working cycles, and continuous operation constantly circulates.
The shortcoming that existing equipment structure and principle exist is: when material is taken off liquid, squeeze force contradicted with the squeezing time, obtaining bigger squeeze force, then to squeeze the time just shorter, then squeeze force is just less to obtain the long squeezing time, be subjected to the restriction of material and structure, squeeze force can not be too high, limited by productivity ratio, and the squeezing time can not be oversize; Take off the liquid effect when increasing vacuum and taking off the liquid operation for enhancing, need to consume the more energy, uneconomical; Above-mentioned principle device structure complexity, heaviness, the material liquid-removal rate is low, and production efficiency is low.
Summary of the invention
The problem to be solved in the present invention is: a kind of Draper-type consecutive press filter of new construction principle is provided, has characteristics simple and reliable for structure, that operating cost is low, parameter adjustment is flexible, production efficiency is high, the scope of application is wide.
The present invention realizes in the following manner: a kind of Draper-type consecutive press filter, comprise the strainer travelling mechanism, feeding device, material pressurization liquid remover structure and shedding mechanism is characterized in that: the one or more pressurization liquid-removal areas of ring-shaped filtering belt by being pressurizeed continuously by liquid of carrying material.
Draper-type consecutive press filter of the present invention is provided with basic, normal, high three pressurization liquid-removal areas.Nonclient area at ring-shaped filtering belt is provided with strainer storage belting.Before pressurization liquid-removal area, establish material packing locking device.Establish adhesive tape up and down at the ring-shaped filtering belt traffic coverage, be clamped in strainer and material middle.Following adhesive tape is provided with liquid-permeable layer.The liquid-permeable layer of following adhesive tape is separated setting with the traction separation layer.Fixing flexible diaphragm seal on the pressurized tank casing on the pressurization liquid-removal area, semicircular in shape in the middle of the diaphragm seal, diaphragm seal bottom bonding fixing flexible cushion block, nozzle passes diaphragm seal and cushion block, nozzle top is by the flexible pipe connection and by being communicated with communicating pipe, feed the liquid higher than fluid under pressure pressure in communicating pipe, the diaphragm seal right part is fixed with stay cord and pressurized tank casing by junction button.Adhesive tape is established suitable liquid spray orifice relatively on the following pressurized tank casing of pressurization liquid-removal area.Before pressurization liquid-removal area, establish one by taking off the liquid zone in advance with what the carrying roller extruding forced to take off liquid behind the mechanical close material.
Operation principle of the present invention is: allow the ring-shaped filtering belt of carrying material through taking off the liquid zone in advance, take off liquid by carrying roller extruding pressure after with the mechanical close ring-shaped filtering belt taking off the liquid zone in advance, when solid formation content is higher in the liquid, can establish and take off the liquid zone in advance; Ring-shaped filtering belt is the one or more pressurization liquid-removal areas by being pressurizeed continuously by liquid again, as select a plurality of pressurization liquid-removal areas for use, and fluid pressure should progressively raise; With higher fluid pressure, with the material on the long action time continuously extruded ring-shaped filtering belt, can reach higher liquid-removal rate, the number of pressure area and the pressure and the length of each pressure area can be adjusted on demand during the equipment design, increase pressure area number, increase pressure area pressure, lengthening pressure area length, all can improve the material liquid-removal rate; Also can adopt other mode to take off liquid taking off the liquid zone in advance; The equal dynamic adjustments easily of heap(ed) capacity, belt speed, pressurization liquid-removal area fluid pressure, liquid-removal rate to adapt to the various requirement of production, strengthens useful load, improves the strainer speed of service in the equipment work, can boost productivity, but reduce the material liquid-removal rate; Both continuously-running in the Draper-type consecutive press filter work, but also intermittent duty, intermittent duty helps reducing the liquid holdup of material, but also reduces system productivity.
The present invention has following advantage compared to existing technology; Simple and reliable for structure, parameter adjustment flexibly, material liquid-removal rate height, production efficiency height, adapt to that many, the suitable material liquid hold-up range of material variety is wide, system power is little, operating cost is low.
Description of drawings
Fig. 1 is a Draper-type consecutive press filter structural principle schematic diagram of the present invention;
Fig. 2 is the A part of Fig. 1;
Fig. 3 is the B part of Fig. 1;
Fig. 4 is that filter bag snub pulley and pressurization liquid-removal area are arranged schematic diagram;
Fig. 5 is that the filter bag section configuration changes schematic diagram;
Fig. 6 is that the another kind of filter bag section configuration changes schematic diagram;
Fig. 7 is each liquid pressurization liquid-removal area cross-sectional configuration and operation principle schematic diagram.
Label declaration:
The 1-strainer is put band to rolling upward adhesive tape changed course belt tensioning drum of 2-
2.1-automatic takeup 3-carrying roller
The last adhesive tape head roll of 4-5-discharge roll
Adhesive tape head roll under the 6-strainer changed course cylinder 7-
Adhesive tape changed course belt tensioning drum 8.1-automatic takeup under the 8-
9-packing locking device 9.1-carrying roller pressue device
9.2-packing sealing carrying roller 10-strainer take-up pair roller
11-storage belting 12-ring-shaped filtering belt
Damaged and the deviation detecting device 14-feeding device of 13-strainer
1 5-does not take off liquid material 15.1-and is in and takes off the liquid status material
15.2-material 16-goes up adhesive tape after taking off liquid
17-scraper 18-hopper
19-strainer cleaning device 20-liquid dish
Adhesive tape liquid-permeable layer under the adhesive tape 21.1-under the 21-
21.2-following adhesive tape traction separation layer 22-takes off the liquid catch tray
Pressurized tank on the 23-strainer roller pressing 24-low-pressure area
24.1-pressurized tank on the nip among the pressurized tank 25-under the low-pressure area
25.1-pressurized tank on the pressurized tank 26-higher-pressure region under the low-pressure area
26.1-pressurized tank 27.1-goes up the pressurized tank casing under the higher-pressure region
27.2-following pressurized tank casing 27.3-soft sealing film
27.4-the flexible cushion block of soft sealing film press strip 27.5-
27.6-highly pressurised liquid nozzle 27.7-flexible pipe
27.8-communicating pipe 27.9-highly pressurised liquid
27.10-junction button 27.11-stay cord
27.12-adhesive tape fluid under pressure under the last adhesive tape fluid under pressure 27.13-
27.14-liquid spray orifice
A-storage zone b-charging zone
C-gives and takes off the low pressure-off liquid zone of liquid zone d-
The high pressure-off of f-liquid zone, pressure-off liquid zone among the e-
The g-discharge zone is strainer section configuration variation order 1.～7.
A1-gluing carrying liqs bed course a2-liquid-permeable layer trickle
Adhesive tape layer of liquid shim under the a3-
The specific embodiment
The invention will be further described below with reference to embodiment:
The chief component of a kind of structural form of Draper-type consecutive press filter of the present invention is: gluing tape running mechanism, following adhesive tape travelling mechanism, the strainer travelling mechanism, feeding device, material packing locking device, material pressurization liquid remover structure, shedding mechanism, the strainer cleaning device, strainer storage device, strainer breakage and deviation detecting device.
Material is from entering Draper-type consecutive press filter to discharging, continuous space through an overall wedgewise variation, both gone up wedgewise between adhesive tape and the strainer (strainer after taking off the liquid zone in advance and following adhesive tape fit together), purpose is to adapt to material to take off the variation that volume constantly dwindles behind the liquid.
The composition and the operation principle of gluing tape running mechanism are: go up adhesive tape 16 and driven by head roll 4, by cylinder 2 tensionings and changed course, automatic takeup 2.1 is stablized the tensile force of cylinder 2.
The composition of following adhesive tape travelling mechanism and operation principle are: following adhesive tape 21 is driven by head roll 7, and by cylinder 8 tensionings and changed course, automatic takeup 8.1 is stablized the tensile force of cylinder 8, and head roll 7 and head roll 4 can adopt same power source interlock.
The composition of strainer travelling mechanism and operation principle are: strainer 12 is by strainer after damaged and deviation detecting device 13 inspections, put band by putting band continuously to rolling the certain tensile force of 1 control, strainer is by adhesive tape and material move to discharge zone g to its frictional force down, strainer 12 is behind discharge roll 5 and changed course cylinder 6, after being tightened up with certain tensile force by take-up pair roller 10, stored collapsed is in storage belting 11.
The operation principle of feeding device 14 is: according to production requirement, to the Draper-type consecutive press filter feed, and with around the mechanical close feeding mouth, purpose is not make material spill out with certain feeding coal.
The operation principle of packing locking device 9 is: plurality of carrier rollers 9.2 is arranged in circular array around a dead axle, dead axle can vertically move, and under the effect of pressue device 9.1, carrying roller 9.2 is applied suitable pressure, carrying roller 9.2 presses strainer and rotatablely moves with the strainer operation, and material is sent to after packaged sealing between two carrying rollers 9.2 and takes off liquid zone c in advance.
The operation principle of material pressurization liquid remover structure is: referring to Fig. 7, material 15.1 is clamped in middle by strainer 12 and last adhesive tape 16,27.12 pairs of last adhesive tapes 16 of pressure fluid are exerted pressure in the last pressurized tank casing 27.1,27.13 pairs of following adhesive tapes 21.2 of pressure fluid are exerted pressure in the following pressurized tank casing 27.2, the liquid that material is squeezed out is by behind the strainer 12, enters play adhesive tape liquid-permeable layer 21.1 and from both sides discharges (a2);
Relative adhesive tape is established suitable liquid spray orifice 27.14 on the following pressurized tank casing 27.2, constantly ejection from spray orifice 27.14 of pressure fluid 27.13, forming one deck layer of liquid shim a3 under the adhesive tape lower surface down, thereby support down adhesive tape not with the fixed structure friction, reduce running resistance, layer of liquid shim a3 is in dynamic equilibrium state, when layer of liquid shim a3 thickness reduces, the number of dropouts of liquid reduces, and the throttling action of liquid spray orifice 27.14 weakens, and the ejection fluid pressure increases, following adhesive tape is upwards passed under pressure, layer of liquid shim a3 thickness increases, and vice versa, thereby layer of liquid shim a3 is maintained on the rational thickness;
The hermetically-sealed construction and the principle of pressure fluid 27.12 are in the last pressurized tank casing 27.1, fixing flexible diaphragm seal 27.3 on last pressurized tank casing 27.1, diaphragm seal 27.3 has certain intensity and flexibility, for improving its bearing capacity, middle semicircular in shape, top and pressurized tank casing 27.1 are fixing by press strip 27.4, bottom bonding fixing flexible cushion block 27.5, the highly pressurised liquid nozzle 27.6 of right quantity passes diaphragm seal 27.3 and cushion block 27.5, nozzle 27.6 tops are connected by flexible pipe 27.7, and by being communicated with communicating pipe 27.8, diaphragm seal 27.3 right parts are by junction button 27.10, fixing with pressurized tank casing 27.1 by stay cord 27.11, stay cord 27.11 is used for the active force that 27.12 pairs of diaphragm seals of equalizing pressure liquid 27.3 produce, and feeds highly pressurised liquid 27.9 in communicating pipe 27.8, the pressure of highly pressurised liquid 27.9 is higher than the pressure of liquid 27.12, highly pressurised liquid 27.9 sprays from nozzle 27.6, forms layer of liquid shim a1, and the homeostasis process of layer of liquid shim a1 is identical with layer of liquid shim a3; Because sealing is flexible, it is inhomogeneous by material and part that cause rises and falls to adapt to adhesive tape, guarantees the reliability that seals;
Following adhesive tape liquid-permeable layer 21.1 and following adhesive tape 21.2 can compoundly be one, also the form of separating:
The pressurized tank casing should suitably be connected and fixed with equipment rack up and down;
Pressurized tank fluid under pressure active region should symmetry be arranged up and down;
Should guarantee the stress balance of adhesive tape up and down when selecting fluid pressure in the design.
The operation principle of shedding mechanism is: filter cake drops with crooked the peeling off of strainer on the strainer, and when filter cake viscosity was big, available vibrations or scraper plate came off filter cake.
The operation principle of strainer cleaning device 19 is: strainer cleaning device 19 from the another side of strainer to strainer inject high pressure liquid, liquid penetrates strainer the material of taking in the strainer or the surface bonds is taken away, thereby strainer is cleaned, and the liquid after the cleaning is collected by liquid dish 20.
The operation principle of storage belting 11 is: after strainer 12 was regained by take-up pair roller 10, by auto-folder in the gravity downslide process, the strainer after folding was stored in the skewed slot along an inclined-plane, strainer was pulled out from the storage trough of belt by putting band pair roller 1; Should not fold as strainer, an also available shop helps mechanism to finish; The purpose that store mechanism is set is, reduce the strainer cycle-index and help automatic deviation correction, long strainer working cycles number of times is just few, strainer just should not wear and tear and the life-span is prolonged, it is just few to change the strainer number of times, reduces maintenance time, can easily realize centering when strainer is extracted out from the storage trough of belt, thereby simplify the internal structure of an organization, improve equipment dependability.
Strainer operation principle damaged and deviation detecting device 13 is: laterally establish a grating at strainer, when strainer breakage and sideslip, existing signal output is so that control system is in time handled.
All parts of equipment all suitably are connected and fixed with frame.
More than the structure Draper-type consecutive press filter is according to sectorization as follows: storage zone a, charging zone b, take off liquid zone c in advance, low pressure-off liquid zone d, middle pressure-off liquid zone e, high pressure-off liquid zone f, discharge zone g, wherein the major function in each district is, a district-the finish take-up of strainer, store, the damaged inspection, sideslip detects, put the band function, the sealing of b district-finish material is reinforced, the strainer section configuration changes, material packing conveying function, c district-finish the strainer section configuration to change, the liquid function is taken off in the extruding of material carrying roller, and d district-material further takes off liquid under the fluid pressure of lower (other pressure takes off the liquid zone relatively), and e district-material further takes off liquid under middle pressure, f district-material is finished the last liquid process of taking off under high pressure, the discharge process of material behind the liquid is taken off in g district-finish.Each functional areas continuous operation process is as follows:
At storage zone a, strainer 12 is put band by putting band pair roller 1 with certain tensile force continuously after strainer breakage and deviation detecting device 13 inspections, and strainer is constantly extracted out from storage belting 11.
At charging zone b, strainer 12 is under the supporting guide of snub pulley 3, section configuration is as shown in Figure 5 by 1. being changed to continuously 8., but the strainer both sides are pressed on the adhesive tape 16 by strainer roller pressing 23 all the time, feeding device 14 will not take off liquid material 15 and will be added in the enclosure space that forms between strainer and the last adhesive tape, this moment, material can be sloughed the part free fluid under the effect of gravity, material moves to b district rear, for preventing that material from flowing backwards taking off in the liquid of next step, strengthen taking off the liquid effect, material is continued to transmit downwards by packing locking device 9 packing backs.
Taking off liquid zone c in advance, strainer is under the supporting guide of snub pulley 3, section configuration is as shown in Figure 5 by 8. being changed to continuously 5., the strainer both sides still are pressed on the adhesive tape 16 by strainer roller pressing 23, and material is wrapped in and continues operation downwards between adhesive tape and the strainer, and the strainer section configuration constantly changes, material takes up space constantly reduced, material is constantly pushed, is sheared and taken off liquid, volume-diminished, and liquid holdup reduces.
The continuous variation of strainer lower support carrying roller supporting surface shape in the above process, available a plurality of short carrying rollers are put by broken line, simulate illustrated variation.
Strainer roller pressing 23 staggered purposes are more closely strainer edge part and last adhesive tape to be compressed, in case material is run out of.
In b district and c district, strainer is under the supporting guide of snub pulley, section configuration also can be by shown in Figure 6 by 1. extremely 7. changing continuously, material all is wrapped in the strainer, this kind variation pattern does not need strainer roller pressing 23 auxiliary pressure zones, but at discharge zone g, strainer should be reversed expansion and material is drawn off.
Material continues to move to the d district downwards, pressure fluid in the pressurized tank 24.1 under pressurized tank 24 and the low-pressure area on the low-pressure area, by last adhesive tape 16 and 21 pairs of material pressurizations of following adhesive tape, material takes off liquid under pressure fast, because this moment, the material liquid holdup was also higher, material fluidity is bigger, and institute's plus-pressure should hang down, in case material is extruded strainer.
Material continues to move to the e district downwards, in pressure fluid in the pressurized tank 25.1 under pressurized tank 25 and the middle nip on the nip, pressurize by last adhesive tape 16 and 21 pairs of materials of play adhesive tape, material further takes off liquid under pressure, this moment, the material liquid holdup reduced greatly, and institute's plus-pressure improves a lot.
Material continues to move to the f district downwards, pressure fluid in the pressurized tank 26.1 under pressurized tank 26 and the higher-pressure region on the higher-pressure region, by last adhesive tape 16 and 21 pairs of material pressurizations of following adhesive tape, material takes off liquid for the last time under the high pressure effect, liquid holdup is lower in the material of this moment, and the final liquid holdup that institute's plus-pressure reaches is on demand determined.
The pressurization in d, e, f district can be selected contained liquid in the material for use with liquid, also can select other kind class I liquid I for use, as water etc.
Material in b, c, d, e, f district takes off liquid and fluid under pressure leakage, can unify to collect by catch tray 22, but also separate collection.
Material continues to move to the g district downwards, the material that is bonded on the adhesive tape is scraped on strainer by scraper 17, after material was crossed discharge roll 5 with strainer, material 15.2 dropped in hopper 18, and the material in the hopper 18 is transported to storage place by other machinery and deposits.
Claims (10)
1. a Draper-type consecutive press filter comprises the strainer travelling mechanism, feeding device, and material pressurization liquid remover structure and shedding mechanism is characterized in that: the one or more pressurization liquid-removal areas of ring-shaped filtering belt by being pressurizeed continuously by liquid of carrying material.
2. according to the Draper-type consecutive press filter of claim 1, it is characterized in that: this Draper-type consecutive press filter is provided with basic, normal, high three pressurization liquid-removal areas.
3. according to the Draper-type consecutive press filter of claim 1 or 2, it is characterized in that: the nonclient area at ring-shaped filtering belt is provided with strainer storage belting.
4. according to the Draper-type consecutive press filter of claim 3, it is characterized in that: before pressurization liquid-removal area, establish material packing locking device.
5. according to the Draper-type consecutive press filter of claim 1 or 2, it is characterized in that: establish adhesive tape up and down at the ring-shaped filtering belt traffic coverage, be clamped in strainer and material middle.
6. according to the Draper-type consecutive press filter of claim 5, it is characterized in that: following adhesive tape is provided with liquid-permeable layer.
7. according to the Draper-type consecutive press filter of claim 6, it is characterized in that: the liquid-permeable layer of following adhesive tape is separated setting with the traction separation layer.
8. according to the Draper-type consecutive press filter of claim 1 or 2, it is characterized in that: fixing flexible diaphragm seal on the pressurized tank casing on the pressurization liquid-removal area, semicircular in shape in the middle of the diaphragm seal, diaphragm seal bottom bonding fixing flexible cushion block, nozzle passes diaphragm seal and cushion block, nozzle top is connected by flexible pipe and by being communicated with communicating pipe, feeds the liquid higher than fluid under pressure pressure in communicating pipe, and the diaphragm seal right part is fixed with stay cord and pressurized tank casing by junction button.
9. according to the Draper-type consecutive press filter of claim 1 or 2, it is characterized in that: adhesive tape is established suitable liquid spray orifice relatively on the following pressurized tank casing of pressurization liquid-removal area.
10. according to the Draper-type consecutive press filter of claim 1 or 2, it is characterized in that: before pressurization liquid-removal area, establish one by taking off the liquid zone in advance with what the carrying roller extruding forced to take off liquid behind the mechanical close material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01111436.3A CN1291770C (en) | 2001-03-08 | 2001-03-08 | Continuous belt press filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN01111436.3A CN1291770C (en) | 2001-03-08 | 2001-03-08 | Continuous belt press filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1374147A CN1374147A (en) | 2002-10-16 |
| CN1291770C true CN1291770C (en) | 2006-12-27 |
Family
ID=4659051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN01111436.3A Expired - Fee Related CN1291770C (en) | 2001-03-08 | 2001-03-08 | Continuous belt press filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1291770C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056479A (en) * | 2014-07-14 | 2014-09-24 | 辛后安 | Tubular concentration device |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653438B (en) * | 2012-05-22 | 2013-12-11 | 江苏百新环境工程有限公司 | Electroosmosis belt type squeezing sludge dehydration equipment |
| CN103550978A (en) * | 2013-11-14 | 2014-02-05 | 河南百汇环境工程有限公司 | Crawler-type dehydrator |
| CN104315833B (en) * | 2014-10-20 | 2017-10-27 | 湖南昌迅科技环保股份有限公司 | A kind of heating and heat-insulating device of vacuum belt machine |
| CN107261607A (en) * | 2017-05-19 | 2017-10-20 | 燕山大学 | A kind of continous way list strainer filter press |
| CN110237591B (en) * | 2019-06-28 | 2021-08-31 | 广西金秀松源林产有限公司 | Rosin filter |
| CN111777304B (en) * | 2020-09-07 | 2020-12-04 | 烟台熙成环保技术有限公司 | Belt sludge dewatering device |
-
2001
- 2001-03-08 CN CN01111436.3A patent/CN1291770C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056479A (en) * | 2014-07-14 | 2014-09-24 | 辛后安 | Tubular concentration device |
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| Publication number | Publication date |
|---|---|
| CN1374147A (en) | 2002-10-16 |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yanzhou quantum science and Technology Co Ltd Assignor: Meng Fanying Contract fulfillment period: 2008.10.28 to 2014.10.27 contract change Contract record no.: 2009370000005 Denomination of invention: Continuous belt press filter Granted publication date: 20061227 License type: Exclusive license Record date: 2009.1.20 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.28 TO 2014.10.27; CHANGE OF CONTRACT Name of requester: YANZHOU CITY QUANTUM TECHNOLOGY CO.,LTD. Effective date: 20090120 |
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Assignee: Yanzhou quantum science and Technology Co Ltd Assignor: Meng Fanying Contract fulfillment period: 2009.12.25 to 2016.1.1 contract change Contract record no.: 2010370000037 Denomination of invention: Continuous belt press filter Granted publication date: 20061227 License type: Exclusive license Record date: 2010.1.27 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.12.25 TO 2016.1.1; CHANGE OF CONTRACT Name of requester: YANZHOU CITY QUANTUM TECHNOLOGY CO.,LTD. Effective date: 20100127 |
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Owner name: SHANDONG HUAZHI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: MENG FANYING Effective date: 20100825 |
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Effective date of registration: 20100825 Address after: 272100 No. 3399 East Ring Road North, Jining, Shandong, Zoucheng Patentee after: Shandong Huazhi Technology Co., Ltd. Address before: Xin Yan Zhen Private Industrial Park 272000 Shandong city of Yanzhou Province Patentee before: Meng Fanying |
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