CN209917418U - Vacuum disc type filter - Google Patents
Vacuum disc type filter Download PDFInfo
- Publication number
- CN209917418U CN209917418U CN201920594741.5U CN201920594741U CN209917418U CN 209917418 U CN209917418 U CN 209917418U CN 201920594741 U CN201920594741 U CN 201920594741U CN 209917418 U CN209917418 U CN 209917418U
- Authority
- CN
- China
- Prior art keywords
- filter
- disc
- vacuum
- central shaft
- center pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The application provides a vacuum disc filter, including the center pin, cell body and a plurality of filter disc, the cell body sets up the bottom at the filter disc, a plurality of filter disc spaced sets up on the center pin, the one end of center pin is equipped with drive assembly, the other end is connected with gas-liquid separation device, gas-liquid separation device includes the vacuum pump, filtrating collecting vat and high-order condenser, the inside of center pin is equipped with hollow chamber, be equipped with on the lateral wall of center pin with the filtration pore of crossing of filter disc intercommunication, be equipped with the honeycomb duct on the inside wall of center pin. In the actual working process, when the filter water produced by the filter disc flows to the vacuum end, the filter water cannot flow into the filter disc through the filter holes in the filter disc, so that the filter cake cannot be influenced, the filter holes in the filter disc cannot be blocked, the filter water on the filter disc is smoothly discharged, the vacuum area of the fan piece is enlarged, the mud cake is favorably formed and dehydrated, and the yield and the dryness of the white mud are improved.
Description
Technical Field
The utility model relates to a filter technical field, concretely relates to vacuum disc filter.
Background
The causticization section is one of the important sections for recovering chemicals. In the working section, sodium carbonate is converted into sodium hydroxide (for cooking), wherein NaoH is recovered as a liquid medicine, white mud (solid CaCO3) (Na2CO3+ Ca (OH)2 → 2NaOH + CaCO3) is generated, lime produced by calcination is recycled (CaCO3+ heat → CaO + CO2 ×) and now certain paper mills utilize CaCO3 calcium carbonate as a desulfurizing agent of a power station boiler to eliminate S02(CaCO3+ S02 → CaSO4+ CO 2).
With the increasingly strict and strict monitoring of environmental regulations for the restriction of TRS gas and dust emissions, the alkali content of the white mud supplied for combustion is required to be low, so that washing equipment needs to be supplemented and improved, the energy consumption of a lime kiln needs to be reduced, and the most important thing of a causticization section is to improve the white mud filtering machine capacity for producing and filtering white mud.
In the prior art, with the improvement of modern equipment technology, the traditional drum type lime mud pre-hanging washing equipment is replaced by a new vacuum disc type filter, the vacuum disc type filter is solid-liquid separation equipment, and the lime mud is subjected to solid-liquid separation by using vacuum as the power of the filter. In the actual separation process, filtrate generated during filtration is uniformly collected at the joint of the tail end of the fan blade and the central shaft, then all the filtrate enters a filtrate collecting tank from the central shaft hollow chamber as a diversion trench to complete gas-liquid separation, and the filtrate generated by the filter flows to a vacuum end along the bottom of the central shaft after being collected through operation.
SUMMERY OF THE UTILITY MODEL
When the produced filtrating flow direction of filter disc is to filtrating collecting vat among the prior art, because self gravity causes the filter disc filter chamber not actual vacuum value this moment to influence the problem of lime mud output and dryness factor, the utility model provides a vacuum disc filter, with the solution above-mentioned technical problem.
The utility model provides a vacuum disc filter, including the center pin, cell body and a plurality of filter disc, the cell body sets up the bottom at the filter disc, a plurality of filter disc spaced set up on the center pin, the one end of center pin is equipped with drive assembly, the other end is connected with gas-liquid separation device, gas-liquid separation device includes the vacuum pump, filtrating collecting vat and high level condenser, the inside of center pin is equipped with hollow chamber, filtrating collecting vat and hollow chamber intercommunication, filtrating collecting vat and high level condenser pass through the breather pipe intercommunication, vacuum pump and high level condenser intercommunication, be equipped with the filtration pore with the filter disc intercommunication on the lateral wall of center pin, be equipped with the honeycomb duct on the inside wall of center pin.
Further, the honeycomb duct includes vertical portion and kink, and the one end of vertical portion is fixed in the position department of crossing the filtration pore on the center pin inside wall, honeycomb duct and filtration pore intercommunication, and the other end of vertical portion links to each other with the kink, and the kink bends to the one end at vacuum pump place. The drainage pipe guides the filtered water generated by the filter disc to the filtrate collecting tank, and at the moment, the vacuum area of the fan blade is enlarged, so that the formation and dehydration of mud cakes are facilitated, and the yield and the dryness of the white mud are improved.
Furthermore, the included angle between the vertical part and the bending part is 130 degrees and 150 degrees, so that the blockage of the filter holes corresponding to the filter disc can be effectively avoided.
Further, the included angle between the vertical portion and the bending portion is 135 degrees, so that blockage of the filter holes corresponding to the filter disc can be effectively avoided.
Furthermore, the outlet end of the bending part is higher than the liquid level in the hollow chamber of the central shaft, so that filtrate flowing out of the flow guide pipe can be prevented from flowing backwards to the filter disc.
Furthermore, the filtering holes are formed in the connecting position of the tail end of the fan-shaped filtering sheet and the central shaft, filtrate on the fan-shaped filtering sheet flows into the hollow chamber inside the central shaft through the filtering holes, and the filtering holes correspond to the fan-shaped filtering sheets one to one, so that liquid on the filtering disc can be conveniently discharged.
Further, the filter disc is formed by a plurality of fan-shaped filter discs in a splicing mode, and a filter screen is sleeved on each filter disc to increase the filtering effect.
Further, the driving part comprises a motor and a speed reducer, and the central shaft is driven by the motor through the speed reducer.
Furthermore, be equipped with on the cell body with every filter tray to the single filter tank that corresponds, can make every filter tray fully dip in and wait to filter liquid.
The beneficial effects of the utility model reside in that:
the utility model provides a vacuum disc filter, including the center pin, cell body and a plurality of filter disc, the cell body sets up the bottom at the filter disc, a plurality of filter disc spaced set up on the center pin, the one end of center pin is equipped with drive assembly, the other end is connected with gas-liquid separation device, gas-liquid separation device includes the vacuum pump, filtrating collecting vat and high level condenser, the inside of center pin is equipped with hollow chamber, filtrating collecting vat and hollow chamber intercommunication, filtrating collecting vat and high level condenser pass through the breather pipe intercommunication, vacuum pump and high level condenser intercommunication, be equipped with the filtration pore with the filter disc intercommunication on the lateral wall of center pin, be equipped with the honeycomb duct on the inside wall of center pin. The honeycomb duct includes vertical portion and kink, and the kink bends to the one end at vacuum pump place. In the actual work process, when the produced drainage of filter disc flows to the vacuum end, the drainage can not flow into on the filter disc through the filtration pore on the filter disc to can not cause the influence to the filter cake, simultaneously, when the produced drainage of filter disc flows to the vacuum end, can not block up the filtration pore on the filter disc, make the drainage on the filter disc unblocked discharge, the vacuum area of fan piece increases this moment, be favorable to the formation and the dehydration of mud cake, so the output and the aridity of white mud all improve to some extent.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a vacuum disc filter according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a filter disc according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a center shaft according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the central shaft internal flow guide tube according to an embodiment of the present invention.
In the figure, 1, a central shaft, 2, a filter disc, 3, a hollow chamber, 4, filter holes, 5, a guide pipe, 51, a vertical part, 52, a bent part, 6, a vacuum pump, 7, a groove body, 71, a single filter tank, 8, a filtrate collecting tank, 9, a high-level condenser, 10 and a vent pipe.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
The following explains key terms appearing in the present invention.
The utility model provides a vacuum disc filter, including center pin 1, cell body 7 and a plurality of filter disc 2.
Fig. 1 is a schematic structural diagram of a vacuum disc filter according to an embodiment of the present invention, as shown in fig. 1, a tank 7 is disposed at the bottom of a filter disc 2, a liquid to be filtered is placed in a single filter tank 71, and a plurality of filter discs 2 are disposed on a central shaft 1 at intervals.
Fig. 2 is the structure schematic diagram is looked to the owner of filter disc of an embodiment, as shown in fig. 2, filter disc 2 is formed by the concatenation of a plurality of fan-shaped cassette filters, all the cover is equipped with the filter screen on the filter screen.
In this embodiment, the number of the filter discs 2 is six, the tank body 7 is provided with a single filter groove 71 corresponding to each filter disc 2, and each filter disc 2 is inserted into the corresponding filter hole 4 independently.
One end of the central shaft 1 is provided with a driving component, in this embodiment, the driving component includes a motor and a speed reducer, and the central shaft 1 is driven by the motor through the speed reducer to rotate.
The other end of center pin 1 is connected with gas-liquid separation equipment, and gas-liquid separation equipment includes vacuum pump 6, filtrating collecting vat 8 and high level condenser 9, and the inside of center pin 1 is equipped with hollow chamber 3, and filtrating collecting vat 8 and hollow chamber 3 intercommunication, filtrating collecting vat 8 and high level condenser 9 pass through breather pipe 10 intercommunication, vacuum pump 6 and high level condenser 9 intercommunication. The filtrate collecting tank 8 realizes a vapor-liquid separator, and the high-level condenser 9 realizes cooling of vapor.
Fig. 3 is a schematic structural diagram of a center shaft according to an embodiment of the present invention, as shown in fig. 3, a filtering hole 4 communicated with the filtering disc 2 is disposed on a side wall of the center shaft 1, the filtering hole 4 is disposed at a joint of a fan-shaped filtering sheet end and the center shaft 1, and a filtrate on the fan-shaped filtering sheet flows into the hollow chamber 3 inside the center shaft through the filtering hole 4.
Fig. 4 is a schematic structural view of the inner flow guide tube of the central shaft according to an embodiment of the present invention, as shown in fig. 4, the flow guide tube 5 is disposed on the inner side wall of the central shaft 1, and the number of the flow guide tube 5 corresponds to the number of the filter holes 4.
In this embodiment, the draft tube 5 is fixed to the inner side wall of the center shaft 1 by welding.
The draft tube 5 comprises a vertical part 51 and a bending part 52, one end of the vertical part 51 is fixed at the position of the filter hole 4 on the inner side wall of the central shaft, the draft tube 5 is communicated with the filter hole 4, the other end of the vertical part 51 is connected with the bending part 52, and the bending part 52 bends to one end of the vacuum pump 6. The included angle between the vertical portion 51 and the bending portion 52 is 130-150 degrees. The included angle between the vertical part 51 and the bent part 52 is 135 degrees. The outlet end of the bending part 52 is higher than the liquid level in the hollow chamber 3 of the central shaft.
The implementation manner of the embodiment is as follows:
in the actual working process, each filter disc 2 is composed of independent fan-shaped filter discs, each fan-shaped filter disc is an independent filter unit, filter bags made of filter screens are sleeved on the fan-shaped filter discs to form filter chambers, the filter discs 2 rotate to bring liquid to be filtered from a single filter tank 71 onto the fan-shaped filter discs, the vacuum pump 6 works, vacuumizing a hollow chamber 3 in a central shaft 1, driving the central shaft 1 by a motor through a speed reducer, rotating a filter disc 2 clockwise, forming pressure difference between two sides of a filter medium in a lime mud particle adsorption area in the filter chamber by means of a vacuum pump, attaching the lime mud particle adsorption area on the filter disc to form a filter cake, and after the filter cake leaves the liquid level, continuously removing water under the action of vacuum, discharging filtrate through a filter cake pre-hanging layer and a filter bag through a filtrate pipe, stripping filter cake white mud by a national standard scraper, discharging and falling into a mud discharge groove, and continuously and circularly performing the whole process.
In the actual work process, when the produced drainage of filter disc flows to the vacuum end, the drainage can not flow into on the filter disc through the filtration pore on the filter disc to can not cause the influence to the filter cake, simultaneously, when the produced drainage of filter disc flows to the vacuum end, can not block up the filtration pore on the filter disc, make the drainage on the filter disc unblocked discharge, the vacuum area of fan piece increases this moment, be favorable to the formation and the dehydration of mud cake, so the output and the aridity of white mud all improve to some extent.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A vacuum disk filter is characterized in that: comprises a central shaft (1), a tank body (7) and a plurality of filter discs (2), wherein the tank body (7) is arranged at the bottom of the filter discs (2), the filter discs (2) are arranged on the central shaft (1) at intervals, one end of the central shaft (1) is provided with a driving part, the other end of the central shaft is connected with a gas-liquid separation device, the gas-liquid separation device comprises a vacuum pump (6), filtrate collecting vat (8) and high-order condenser (9), the inside of center pin (1) is equipped with hollow chamber (3), filtrate collecting vat (8) and hollow chamber (3) intercommunication, filtrate collecting vat (8) and high-order condenser (9) are through breather pipe (10) intercommunication, vacuum pump (6) and high-order condenser (9) intercommunication, be equipped with on the lateral wall of center pin (1) with filter disc (2) the filtration pore (4) that communicate, be equipped with on the inside wall of center pin (1) honeycomb duct (5).
2. A vacuum disc filter according to claim 1, wherein: the honeycomb duct (5) comprises a vertical portion (51) and a bending portion (52), one end of the vertical portion (51) is fixed at the position of the filter hole (4) on the inner side wall of the central shaft, the honeycomb duct (5) is communicated with the filter hole (4), the other end of the vertical portion (51) is connected with the bending portion (52), and the bending portion (52) bends towards one end where the vacuum pump (6) is located.
3. A vacuum disc filter according to claim 2, wherein: the included angle between the vertical part (51) and the bending part (52) is 130-150 degrees.
4. A vacuum disc filter according to claim 2, wherein: the included angle between the vertical part (51) and the bent part (52) is 135 degrees.
5. A vacuum disc filter according to claim 2, wherein: the outlet end of the bending part (52) is higher than the liquid level in the central shaft hollow chamber (3).
6. A vacuum disc filter according to claim 1, wherein: the filtering holes (4) are formed in the connecting position of the tail end of the fan-shaped filtering sheet and the central shaft (1), and filtrate on the fan-shaped filtering sheet flows into the hollow chamber (3) in the central shaft through the filtering holes (4).
7. A vacuum disc filter according to claim 1, wherein: the filter disc (2) is formed by splicing a plurality of fan-shaped filter sheets, and the filter sheets are all sleeved with filter screens.
8. A vacuum disc filter according to claim 1, wherein: the driving part comprises a motor and a speed reducer, and the central shaft (1) is driven by the motor through the speed reducer.
9. A vacuum disc filter according to claim 1, wherein: and a single filter tank (71) corresponding to each filter disc (2) is arranged on the tank body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594741.5U CN209917418U (en) | 2019-04-26 | 2019-04-26 | Vacuum disc type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920594741.5U CN209917418U (en) | 2019-04-26 | 2019-04-26 | Vacuum disc type filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209917418U true CN209917418U (en) | 2020-01-10 |
Family
ID=69088747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920594741.5U Active CN209917418U (en) | 2019-04-26 | 2019-04-26 | Vacuum disc type filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209917418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114814156A (en) * | 2022-06-23 | 2022-07-29 | 中国地质大学（北京） | Decomposition device for simulating evolution law of natural gas hydrate |
-
2019
- 2019-04-26 CN CN201920594741.5U patent/CN209917418U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114814156A (en) * | 2022-06-23 | 2022-07-29 | 中国地质大学（北京） | Decomposition device for simulating evolution law of natural gas hydrate |
| CN114814156B (en) * | 2022-06-23 | 2022-09-02 | 中国地质大学（北京） | Decomposition device for simulating evolution law of natural gas hydrate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207628075U (en) | A kind of mechanical filter unit of automatic cleaning impurity | |
| CN103143198B (en) | A kind of filter | |
| CN204910969U (en) | Cylinder microstrainer | |
| CN209917418U (en) | Vacuum disc type filter | |
| CN203264409U (en) | Low-pressure self-cleaning continuous filter | |
| CN201200832Y (en) | Conveyer band type filtration device | |
| CN109173715B (en) | Denitration and dust removal integrated dust remover | |
| CN201164748Y (en) | Filter pot | |
| CN110624324A (en) | Sack formula dust removal environmental protection equipment of tearing open soon | |
| CN210495474U (en) | Sewage solid-liquid separation intercepting device | |
| CN202341948U (en) | Air-dust separation device | |
| CN219149646U (en) | Dust collector dust collection box | |
| CN111569512B (en) | Automatic-cleaning mesh belt type sewage double-filtration equipment | |
| CN1830515A (en) | Filter for separating sodium bicarbonate and mother liquor in sodium carbonate production | |
| CN211328804U (en) | Odor recovery system between causticization system row sediment | |
| CN209714601U (en) | A kind of biomass fuel powder waste gas purification apparatus | |
| CN207614531U (en) | A kind of unpowered solid and gas separator | |
| CN201723510U (en) | Liquid suction prevention device of turbine vacuum pump | |
| CN220257481U (en) | Dust remover flue gas recycling device | |
| CN213610635U (en) | Steam recovery equipment | |
| CN219178042U (en) | Gas-liquid separator for refrigerator | |
| CN215947216U (en) | Three-stage combined gas-liquid separator for natural gas purification | |
| CN215250698U (en) | Cyclone demister | |
| CN102429610A (en) | Gas-dust separation device | |
| CN217340543U (en) | Demister for recycling gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |