CN205613133U - High -efficient disc filter cloth hydroextractor - Google Patents
High -efficient disc filter cloth hydroextractor Download PDFInfo
- Publication number
- CN205613133U CN205613133U CN201620409195.XU CN201620409195U CN205613133U CN 205613133 U CN205613133 U CN 205613133U CN 201620409195 U CN201620409195 U CN 201620409195U CN 205613133 U CN205613133 U CN 205613133U
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- cell body
- filter cloth
- main shaft
- dispensing head
- fanning strip
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Abstract
The utility model relates to a gypsum slurry that produces wet flue gas desulfurization technology carries out the equipment that dewaters, and specifically speaking is a high -efficient disc filter cloth hydroextractor, including the cell body, cell body upper portion sets up the cell body water filling port, and the cell body bottom sets up the drawhole, is provided with the main shaft in the middle of the cell body upper portion, and the main shaft both ends are rotated and are supported on corresponding bearing frame, and the main shaft both ends connect driven end dispensing head, drive end dispensing head respectively, and main shaft circumference surface equipartition sets up a plurality of filtrate pipes, and the filtrate pipe both ends are connected with the spindle nose pipe of spindle nose, the filtrate pipe sets up a plurality of dehydration dish along the length direction equipartition, and every dehydration dish forms the equal overcoat filter cloth of every sector plate by the concatenation of a plurality of sector plates. This high -efficient disc filter cloth hydroextractor vacuum high -usage, running cost hang down, and area is little, throughput is big, and the fault rate is low, and the maintenance volume is few, and the complete machine is synthesized the running cost advantage and is stuck out.
Description
Technical field
This utility model relates to a kind of gypsum slurries for producing flue gas wet desulphurization process and carries out the equipment of solid-liquid separation (dehydration), specifically a kind of efficiently disk filter cloth dewaterer.
Background technology
Coal produces a large amount of harmful smokes through filtration combustion, and these flue gases could discharge after process is up to standard.Wherein can produce the gypsum slurries that a large amount of byproduct concentration is 30%-50% during flue gas wet desulphurization process.If these gypsum slurries do not carry out solid-liquid separation (dehydration) can cause serious secondary pollution.Can be again with after solid-liquid separation.The solid-liquid separating equipment currently used is mainly belt dewaterer, is secondly disk dewatering machine (ceramic).Belt dewaterer power consumption is big, floor space is big, operating cost is high, fault rate is high；It is short that the shortcoming of disk dewatering machine (ceramic) is mainly the operation time, and maintenance time is long, inefficiency.Poor for applicability to gypsum slurries of dehydration part capillary ceramic plate, easily block, and work is accomplished by using dust technology or oxalic acid to clean whole ceramic wafers once for 4-6 hour, clean every time and need about 2 hours, the acid major part of these pickling enters flow process, fraction volatilizees in atmosphere, causes secondary pollution.The common feature of both solid-liquid separation (dehydration) equipment is that gypsum slurries adapts in dehydration ability, inefficiency, and integrated operation cost is high.
Summary of the invention
This utility model is for the problems referred to above, it is provided that a kind of efficiently disk filter cloth dewaterer, this efficient disk filter cloth dewaterer vacuum utilization rate is high, floor space is little, operating cost is low, failure rate is low.
According to the technical solution of the utility model: a kind of efficiently disk filter cloth dewaterer, including cell body, including cell body, cell body top arranges cell body water filling port, arranges drain hole bottom cell body, it is characterised in that: cell body top arranges main shaft, main shaft one end connects driven end dispensing head, the other end connects drive end dispensing head, and main shaft interlude circumferential surface is uniform arranges some filtrate pipes, and filtrate pipe two ends are connected with the spindle nose pipe of spindle nose；The most uniform several dehydration plates that arranges of filtrate pipe, each dehydration plate is spliced to form by the fanning strip divided equally, each fanning strip equal overcoat filter cloth, and connector with corresponding filtrate pipe is connected respectively；The first blowing mouth, the first vacuum orifice is offered on described driven end dispensing head, the second blowing mouth, the second vacuum orifice is offered on drive end dispensing head, described first blowing mouth and the second blowing mouth are coaxially disposed, first vacuum orifice and the second vacuum orifice are coaxially disposed, main shaft in rotation process, filtrate pipe and blowing mouth, vacuum orifice alternate communication.
As further improvement of the utility model, side, described cell body top is additionally provided with the preposition wash mill of filter cake, the preposition wash mill of filter cake includes that water distribution pipe noted by feed water filling distributing trough, material inlet, water filling port, feed, material inlet, water filling port are arranged at feed distributing trough top, and feed note water distribution pipe is arranged at feed water filling distributing trough discharging side.
As further improvement of the utility model, side, described cell body top is additionally provided with filter cloth cleaning device, and filter cloth cleaning device is provided with some groups of washer jets, and each dehydration plate is placed in the corresponding washer jet position of filter cloth cleaning device.
As further improvement of the utility model, described filter cloth cleaning device includes into water distribution pipe, enter and admission port is set in water distribution pipe, entering to arrange in water distribution pipe some groups of cleaning arms arranged in pairs simultaneously, the opposite side of two paired cleaning arms is respectively provided with nozzle, and dehydration plate is arranged at paired two piece and cleans between arm.
As further improvement of the utility model, side, described cell body top fixing stirring reductor and driving motor, the outfan of motor is driven to be connected with the input of stirring reductor, the output shaft two ends of stirring reductor connect a stirring power transmission shaft respectively, and the other end of described stirring power transmission shaft is connected with crank；Connecting an agitating device in the shaft bearing at cell body two ends respectively, described agitating device includes cranking arm, harrow frame, and rotation of wherein cranking arm is arranged in shaft bearing, and harrow frame is fixed on lower end of cranking arm, and crank is cranked arm by pull bar and two and is connected.
As further improvement of the utility model, the fanning strip divided equally in dehydration plate is fanning strip, and fanning strip is provided with fanning strip interface, and filtrate pipe is provided with filtrate pipe arm, and fanning strip interface is fastenedly connected with filtrate pipe arm.
As further improvement of the utility model, arranging circular trace dish between described main bearing seat and drive end dispensing head, uniform arc track sheet on circular trace dish, the quantity of arc track sheet is identical with the quantity of filtrate pipe.
As further improvement of the utility model, lubricating system is also set up on described cell body, the lubricant medium of lubricating system is delivered between main shaft and drive end dispensing head and main shaft and driven end dispensing head by pipeline, and is arranged on the spindle bearing holder of cell body both upper ends thereof.
As further improvement of the utility model, described main shaft is driven by the spindle motor on cell body top.
As further improvement of the utility model, drain separator is installed on the channel-section steel of described cell body blanking port both sides, drain separator regulates angle by adjusting means, described adjusting means is installed on channel-section steel, and adjusting means includes screw rod, regulates bolt and the arcuate groove being opened on channel-section steel, and regulation bolt is placed in arcuate groove, regulation bolt is connected with screw rod by connector, screw rod is interspersed to be fixed on channel-section steel, and drain separator is arranged on screw rod, and fanning strip is placed in the middle of one group of relative drain separator.
Of the present utility model having the technical effect that this utility model product structure is simple, rationally, in the course of the work, vacuum utilization rate is high, floor space is little, operating cost is low, failure rate is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the right view of Fig. 1.
Fig. 4 is the structural representation of filter cloth cleaning device.
Fig. 5 is the attachment structure schematic diagram of agitating device.
Fig. 6 is the structural representation of the preposition wash mill of filter cake.
Fig. 7 is the structural representation of fanning strip and filtrate pipe.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the structural representation of drive end dispensing head and spindle bearing holder.
Figure 10 is the right view of Fig. 9.
Figure 11 is working state schematic representation of the present utility model.
Figure 12 is equipment operating diagram of the present utility model.
Figure 13 is the connection status schematic diagram of drain separator in this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is further described.
nullIn Fig. 1 ~ 13，Including driven end dispensing head 1、First blowing mouth 1-1、First vacuum orifice 1-2、Agitating device 2、Stirring swing arm 2-1、Harrow frame 2-2、Filter disc 3、Fanning strip 3-1、Fanning strip interface 3-2、Main shaft 4、Stirring drives motor 5、Shaft bearing 6、Spindle bearing holder 7、Drive end dispensing head 8、Second blowing mouth 8-1、Second vacuum orifice 8-2、Lubricating system 9、Spindle motor 10、Cell body 11、The preposition wash mill of filter cake 12、Feed water filling distributing trough 12-1、Material inlet 12-2、Water filling port 12-3、Feed note water distribution pipe 12-4、Filter cloth cleaning device 13、Water inlet pipe 13-1、Admission port 13-2、Clean arm 13-3、Nozzle 13-4、Strip district 14、Drying zone 15、Discharge zone 16、Filtrate pipe 17、Filtrate arm 17-1、Stirring power transmission shaft 18、Crank 19、Drain separator 20、Adjusting means 21、Fixing channel-section steel 22、Circular trace dish 23、Knockout drum 24、Air compressor machine 25、Vacuum pump 26、Screw rod 27、Regulation bolt 28、Cell body water filling port 29、Overfall 30、Drain hole 31、Air accumulator 32 etc..
As shown in Fig. 1 ~ 13, this utility model is the efficient disk filter cloth dewaterer that a kind of gypsum slurries is special, including cell body 11, cell body 11 top arranges cell body water filling port 29, arranges drain hole 31 bottom cell body 11, and cell body 11 top arranges main shaft 4, main shaft 4 one end connects driven end dispensing head 1, the other end connects drive end dispensing head 8, and main shaft 4 interlude circumferential surface is uniform arranges some filtrate pipes 17, and filtrate pipe 17 two ends are connected with the spindle nose pipe of main shaft 4 end；The most uniform several dehydration plates 3 that arranges of filtrate pipe 17, each dehydration plate 3 is spliced to form by the fanning strip divided equally, each fanning strip equal overcoat filter cloth, and connector with corresponding filtrate pipe 17 is connected respectively；The first blowing mouth 1-1, the first vacuum orifice 1-2 is offered on described driven end dispensing head 1, the second blowing mouth 8-1, the second vacuum orifice 8-2 is offered on drive end dispensing head 8, described first blowing mouth 1-1 and the second blowing mouth 8-1 is coaxially disposed, first vacuum orifice 1-2 and the second vacuum orifice 8-2 is coaxially disposed, main shaft 4 in rotation process, filtrate pipe 17 and blowing mouth, vacuum orifice alternate communication.Dispensing head 8 connects side end face and peripherally has some scallop holes varied in size, and filtrate pipe 17 is through scallop hole alternate communication blowing mouth, vacuum orifice.
Side, cell body 11 top is provided with the preposition wash mill of filter cake 12, the preposition wash mill of filter cake 12 includes that water distribution pipe 12-4 noted by feed water filling distributing trough 12-1, material inlet 12-2, water filling port 12-3, feed, material inlet 12-2, water filling port 12-3 are arranged at feed distributing trough 12-1 top, and feed note water distribution pipe 12-4 is arranged at feed water filling distributing trough 12-1 discharging side.
Side, cell body 11 top is additionally provided with filter cloth cleaning device 13, and filter cloth cleaning device 13 is provided with some groups of washer jets, and each dehydration plate 3 is placed in the corresponding washer jet position of filter cloth cleaning device 13.
Filter cloth cleaning device 13 includes into water distribution pipe 13-1, enter to arrange in water distribution pipe 13-1 admission port 13-2, entering to arrange in water distribution pipe 13-1 some groups of cleaning arm 13-3 arranged in pairs simultaneously, the opposite side of two paired cleaning arm 13-3 is respectively provided with nozzle 13-4, and dehydration plate 3 is arranged at paired two piece and cleans between arm 13-3.
Side, cell body 11 top fixing stirring reductor and driving motor 5, the outfan of motor 5 is driven to be connected with the input of stirring reductor, the output shaft two ends of stirring reductor connect a stirring power transmission shaft 18 respectively, and the other end of described stirring power transmission shaft 18 is connected with crank 19；An agitating device 2 is connected respectively in the shaft bearing 6 at cell body 11 two ends, described agitating device 2 includes crank arm 2-1, harrow frame 2-2, the 2-1 that wherein cranks arm rotates and is arranged in shaft bearing 6, and harrow frame 2-2 is fixed on 2-1 lower end of cranking arm, and crank 19 is connected by pull bar and two 2-1 that crank arm.
The fanning strip divided equally in dehydration plate 3 is fanning strip 3-1, and fanning strip 3-1 is provided with fanning strip interface 3-2, and filtrate pipe 17 is provided with filtrate pipe arm 17-1, fanning strip interface 3-2 and is fastenedly connected with filtrate pipe arm 17-1.In actual application, on the premise of ensureing effective dehydration area, reasonable disposition fanning strip interface 3-2 and the length of filtrate pipe arm 17-1, after fanning strip 3-1 installs, filter cloth nylon rope is tightened, and fanning strip 3-1, the most not in mineral syrup liquid, eliminates air leakage point, the vacuum improving dewaterer reaches as high as 0.08Mpa, and for reducing moisture, raising filter efficiency creates conditions.
Arranging circular trace dish 23 between main bearing seat 7 and drive end dispensing head 8, uniform arc track sheet on circular trace dish 23, the quantity of arc track sheet is identical with the quantity of filtrate pipe 17.
Also setting up lubricating system 7 on cell body 11, the lubricant medium of lubricating system 7 is delivered between main shaft 4 and drive end dispensing head 8 and main shaft 4 and driven end dispensing head 1 by pipeline, and is arranged on the spindle bearing holder 7 of cell body 11 both upper ends thereof.
Main shaft 4 is driven by the spindle motor 10 on cell body 11 top.
Such as Fig. 1, shown in 13, the both sides of cell body 11 blanking port arrange drain separator 20 by channel-section steel 22, drain separator 20 regulates angle by adjusting means 21, described adjusting means 21 is arranged on channel-section steel 22, adjusting means 21 includes screw rod 27, regulation bolt 28 and is opened in the arcuate groove on channel-section steel 22, regulation bolt 28 is placed in arcuate groove, regulation bolt 28 is connected by connector is fixing with screw rod 27, screw rod 27 is interspersed to be fixed on channel-section steel 22, drain separator 20 is arranged on screw rod 27, and fanning strip 3-1 is placed in the middle of one group of relative drain separator 20.Operationally, this device combines with using inverse blowing device, it is achieved associating discharging.Back-blowing: air compressor machine 25 gas enters from dispensing head 8 air inlet through air accumulator 32, prolongs filtrate pipe 17 from the internal outwards air blowing of fanning strip 17-2.Pneumatic ball valve installed by the air accumulator 32 connection pipeline with dewaterer blowback air port, coordinates travel switch, instantaneous blowing, quickly discharging material.Owing to finished product Gypsum Fibrosum still has certain viscosity, coordinate drain separator 20, improve blanking efficiency.Drain separator 20 can be according to on-the-spot amount of gypsum, and the thickness of the gypsum filter cake of formation freely regulates angle auxiliary discharging.
Operation principle of the present utility model: the fanning strip 3-1 of several single overcoat filter clothes is combined into a dehydration plate 3, the fanning strip 3-1 being immersed in cell body 11 adsorbs calcium plaster liquid under the effect of vacuum pump 26 negative pressure, i.e., it is placed in fanning strip 3-1 adsorption slurry under suction function in strip district 14, and along with the drying zone 15 that is rotated into of main shaft 4 carries out further solid-liquid separation, moisture in serosity flows into filtrate pipe 17 by the aperture on fanning strip 3-1, again from the vacuum orifice of filtrate pipe 17 the allocated 8, finally discharge from knockout drum 24, therefore Gypsum Fibrosum is dried.Finished product Gypsum Fibrosum through dehydration forms filter cake and adsorbs on fanning strip 3-1.When fanning strip 3-1 forwards discharge zone 16 to, the compressed air of air compressor machine 25 enters filtrate pipe 17 through air accumulator 32 from dispensing head 8 inflatable mouth, dries outward inside fanning strip 3-1, coordinates drain separator 20 to carry out discharging, and Gypsum Fibrosum falls into Gypsum Fibrosum storehouse from blanking port.Whole work process circulates continuously and carries out.
Workflow of the present utility model: device power supply (DPS) is opened, start the driving motor 5 for stirring, after agitating device brings into operation, material inlet 12-2 and water filling port 12-3 on feed water filling distributing trough 12-1 open, gypsum slurries enters cell body 11 through feed water filling distributing trough 12-1, gypsum slurries rises to overfall 30 when producing overflow, signal is transmitted back to electric-control system by liquidometer, spindle motor 10 and vacuum pump 26 electric motor starting, after 5 minutes, air compressor machine 25 valve of supplying gas is opened, and dewaterer enters duty.
Material inlet 12-2 and water filling port 12-3 on feed water filling distributing trough 12-1 close, vaccum pump motor is closed, admission port 13-2 on drain hole 31 and filter cloth cleaning device 13 opens, cell body 11 closes drain hole 31 and above-mentioned admission port 13-2 after gypsum slurries emptying, open cell body water filling port 29 simultaneously, carry out the further cleaning of cell body 11 and filter cloth.When water arrival overfall 30 produces overflow, data are transmitted back to electric-control system by liquidometer, and cell body water filling port 29 is closed.During this period, dewaterer main shaft 4 and the driving motor 5 for stirring continue to run about 6 minutes (can adjust) according to field condition, are again turned on baiting valve, and after cell body emptying, baiting valve is closed, and main shaft and stirring motor are closed, and dewaterer quits work.
Claims (10)
1. an efficient disk filter cloth dewaterer, including cell body (11), cell body (11) top arranges cell body water filling port (29), cell body (11) bottom arranges drain hole (31), it is characterized in that: cell body (11) top arranges main shaft (4), main shaft (4) one end connects driven end dispensing head (1), the other end connects drive end dispensing head (8), the uniform some filtrate pipes (17) that arrange of main shaft (4) interlude circumferential surface, filtrate pipe (17) two ends are connected with the spindle nose pipe of main shaft (4) end；The most uniform several dehydration plates (3) that arrange of filtrate pipe (17), each dehydration plate (3) is spliced to form by the fanning strip divided equally, each fanning strip equal overcoat filter cloth, and connector with corresponding filtrate pipe (17) is connected respectively；The first blowing mouth (1-1), the first vacuum orifice (1-2) is offered on described driven end dispensing head (1), the second blowing mouth (8-1), the second vacuum orifice (8-2) is offered on drive end dispensing head (8), both described first blowing mouth (1-1) and the second blowing mouth (8-1) are coaxially disposed, both first vacuum orifice (1-2) and the second vacuum orifice (8-2) are coaxially disposed, main shaft (4) in rotation process, filtrate pipe (17) and blowing mouth, vacuum orifice alternate communication.
2. efficiently disk filter cloth dewaterer as claimed in claim 1, it is characterized in that: described cell body (11) side, top is additionally provided with the preposition wash mill of filter cake (12), the preposition wash mill of filter cake (12) includes feed water filling distributing trough (12-1), material inlet (12-2), water filling port (12-3), feed note water distribution pipe (12-4), material inlet (12-2), water filling port (12-3) are arranged at feed distributing trough (12-1) top, and feed note water distribution pipe (12-4) is arranged at feed water filling distributing trough (12-1) discharging side.
3. efficiently disk filter cloth dewaterer as claimed in claim 1, it is characterized in that: described cell body (11) side, top is additionally provided with filter cloth cleaning device (13), filter cloth cleaning device (13) is provided with some groups of washer jets, and each dehydration plate (3) is placed in the corresponding washer jet position of filter cloth cleaning device (13).
4. efficiently disk filter cloth dewaterer as claimed in claim 3, it is characterized in that: described filter cloth cleaning device (13) includes into water distribution pipe (13-1), enter and admission port (13-2) is set in water distribution pipe (13-1), entering to arrange in water distribution pipe (13-1) some groups of cleaning arms (13-3) arranged in pairs simultaneously, the opposite side of two paired cleanings arm (13-3) is respectively provided with nozzle (13-4), and dehydration plate (3) is arranged at paired two piece and cleans between arm (13-3).
5. efficiently disk filter cloth dewaterer as claimed in claim 1, it is characterized in that: described cell body (11) side, top fixing stirring reductor and driving motor (5), the outfan of motor (5) is driven to be connected with the input of stirring reductor, the output shaft two ends of stirring reductor connect stirring power transmission shaft (18) respectively, and the other end of described stirring power transmission shaft (18) is connected with crank (19)；An agitating device (2) is connected respectively in the shaft bearing (6) at cell body (11) two ends, described agitating device (2) includes cranking arm (2-1), harrow frame (2-2), (2-1) rotation of wherein cranking arm is arranged in shaft bearing (6), harrow frame (2-2) is fixed on (2-1) lower end of cranking arm, and crank (19) is connected by pull bar and two crank arm (2-1).
6. efficiently disk filter cloth dewaterer as claimed in claim 1, it is characterized in that: the fanning strip divided equally in dehydration plate (3) is fanning strip (3-1), fanning strip (3-1) is provided with fanning strip interface (3-2), filtrate pipe (17) is provided with filtrate pipe arm (17-1), and fanning strip interface (3-2) is fastenedly connected with filtrate pipe arm (17-1).
7. efficiently disk filter cloth dewaterer as claimed in claim 1, it is characterized in that: on described cell body (11), also set up lubricating system (9), the lubricant medium of lubricating system (9) is delivered between main shaft (4) and drive end dispensing head (8) and main shaft (4) and driven end dispensing head (1) by pipeline, and is arranged on the spindle bearing holder (7) of cell body (11) both upper ends thereof.
8. efficiently disk filter cloth dewaterer as claimed in claim 7, it is characterized in that: circular trace dish (23) is set between described spindle bearing holder (7) and drive end dispensing head (8), the upper uniform arc track sheet of circular trace dish (23), the quantity of arc track sheet is identical with the quantity of filtrate pipe (17).
9. efficiently disk filter cloth dewaterer as claimed in claim 1, it is characterised in that: described main shaft (4) is driven by the spindle motor (10) on cell body (11) top.
10. efficiently disk filter cloth dewaterer as claimed in claim 1, it is characterized in that: on the channel-section steel (22) of described cell body (11) blanking port both sides, drain separator (20) is installed, drain separator (20) regulates angle by adjusting means (21), described adjusting means (21) is installed on channel-section steel (22), adjusting means (21) includes screw rod (27), regulate bolt (28) and be opened in the arcuate groove on channel-section steel (22), regulation bolt (28) is placed in arcuate groove, regulation bolt (28) is connected with screw rod (27) by connector, screw rod (27) is interspersed to be fixed on channel-section steel (22), drain separator (20) is arranged on screw rod (27), fanning strip (3-1) is placed in the middle of one group of relative drain separator (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409195.XU CN205613133U (en) | 2016-05-06 | 2016-05-06 | High -efficient disc filter cloth hydroextractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620409195.XU CN205613133U (en) | 2016-05-06 | 2016-05-06 | High -efficient disc filter cloth hydroextractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205613133U true CN205613133U (en) | 2016-10-05 |
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ID=57025937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620409195.XU Expired - Fee Related CN205613133U (en) | 2016-05-06 | 2016-05-06 | High -efficient disc filter cloth hydroextractor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205613133U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749606A (en) * | 2016-05-06 | 2016-07-13 | 无锡市同至人机械设备制造有限公司 | Efficient disc filter cloth dehydrator |
| CN111318069A (en) * | 2020-03-02 | 2020-06-23 | 黄旭萍 | Accumulation type extrusion disc filter cloth dehydrator |
| CN112403088A (en) * | 2020-12-17 | 2021-02-26 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Novel double-vacuum disc type filter |
-
2016
- 2016-05-06 CN CN201620409195.XU patent/CN205613133U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749606A (en) * | 2016-05-06 | 2016-07-13 | 无锡市同至人机械设备制造有限公司 | Efficient disc filter cloth dehydrator |
| CN111318069A (en) * | 2020-03-02 | 2020-06-23 | 黄旭萍 | Accumulation type extrusion disc filter cloth dehydrator |
| CN112403088A (en) * | 2020-12-17 | 2021-02-26 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Novel double-vacuum disc type filter |
| CN112403088B (en) * | 2020-12-17 | 2022-04-29 | 辽宁五寰特种材料与智能装备产业技术研究院有限公司 | Double-vacuum disc type filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161005 Termination date: 20190506 |