CN208493462U - A kind of belt filtering device - Google Patents
A kind of belt filtering device Download PDFInfo
- Publication number
- CN208493462U CN208493462U CN201820853681.XU CN201820853681U CN208493462U CN 208493462 U CN208493462 U CN 208493462U CN 201820853681 U CN201820853681 U CN 201820853681U CN 208493462 U CN208493462 U CN 208493462U
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- Prior art keywords
- belt
- rack
- roller
- compression roller
- lower filter
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Abstract
The utility model discloses a kind of belt filtering devices, belong to filter plant technical field.The device includes upper strainer and lower filter belt in rack and rack, the rack is equipped with vacuum filter case, lower filter belt is bonded to form wedge-shaped feed inlet and be sequentially passed through together to roller crush zone, dehydration technology area and high press dewatering zone with upper strainer after passing through vacuum filter case, it include two pressure rollers of the guide piece and the adjacent rear of guide piece at left and right sides of the lower filter belt to roller crush zone, the gap after upper strainer and lower filter belt fitting across two pressure rollers simultaneously separates to form discharge port with S-shaped at excessive compression roller and small compression roller to discharge rolls.Which incorporates vacuum filters and squeeze and filter, and squeeze and filter is divided into the area Liang Ge to promote filter effect；Side leakage is placed by setting guide piece, roller pair structure and other measures；And the apparatus structure is compact and simple, it is easy to maintain.
Description
Technical field
The utility model belongs to filter plant technical field, in particular to a kind of belt filtering device.
Background technique
Need after phosphate ore pulp ore dressing to be separated by solid-liquid separation offscum using filter plant, generally use belt filter or
Disc filter.
Belt filter press as a kind of solid-liquid separating equipment, have work is continuous, treating capacity is big, structure is simple, cost compared with
The features such as low, therefore be widely applied in sludge dewatering industry.Solidliquid mixture enters after belt filter press through gravity dewatering zone, relies on
Object gravity itself sloughs large quantity of moisture, using wedge-shaped, dehydration technology area and high press dewatering zone, by material by
Step extrusion dehydration achievees the purpose that preferable dried material.Its operating principle includes with pressure and two kinds of roll-in.With pressure is at two
Cloth Solid-liquid mixture is spread between the superposition section strainer of tight cyclic annular strainer, the pressure roller not waited using two strainers around stepped diameters
When, the outer layer strainer being around on pressure roller squeezes out filtrate to the pressure that interband material generates；Roll-in is then two using clamping material
When layer strainer is by between pairs of parallel roll, filtrate is squeezed out to the effect of rolling of interband Solid-liquid mixture using roll.
Such as application No. is the patents of CN201721051230.6 to disclose a kind of belt filter press, including rack, the machine
Be provided with the upper strainer and lower filter belt of driving device and the ring seal operated at the same speed on frame, the front end of the rack be provided with
The gravity dewatering zone of the feed inlet connection of the rack, the gravity dewatering zone rear end are connected with pony press and are set to described pre-
Compression roller below pressure roller, the upper strainer and the lower filter belt are bonded at the pony press and in the pony presses and described
Form wedge-shaped filters pressing area at compression roller, wedge shape filters pressing area rear end height is staggeredly equipped with multiple pressure rollers, the upper strainer and
The lower filter belt is bonded to form S-shaped filters pressing area at the multiple pressure roller, is provided with device for discharging on rear side of the rack, special
Sign is: the driving device includes being set to the driving wheel being driven by motor in the rack and being set to the shell outside
The pressure roller II of the driven wheel connecting with the capstan drive, the front side of the driven wheel and S-shaped filters pressing area end is driven
Connection；The medial surface of the pressure roller I of S-shaped filters pressing area starting point and the medial surface of the pressure roller II are respectively arranged with a pressurization
Roller is respectively arranged with cylinder at two pressure rollers, and the piston rod end of two cylinders is separately connected the roller of the pressure roller
Axis.
Such as disclose that the utility model discloses a kind of snakelike squeezing belts application No. is 201720174005.5 patent
Filter, is related to solid-liquid separation technique field, including rack, is successively arranged idler roller, branch from feed end to discharge end in rack
Roller, strong compression roller and discharge rolls are supportted, and mesh belt and lower mesh belt are installed, the rack is equipped with wedge-shaped feed inlet, snakelike pressure
Pressure area, snakelike squeezing higher-pressure region, strong extrusion dehydration area and discharge zone in squeezing low-pressure area, snakelike squeezing, snakelike squeezing low-pressure area, snake
Pressure area, snakelike squeezing higher-pressure region are arranged in horizontal S-shaped in shape squeezing, close to lower idler roller and below lower idler roller in rack
Off line band below be equipped with wash tub pipe, the online band top in snakelike squeezing above pressure area is located in rack and is equipped with flushing water
Pipe.
Applicant has found following three problem when being filtered using above-mentioned apparatus to offscum:
(1) filtrate and cleaning solution are polluted in filter residue side leakage easily from strainer；
(2) filter effect is bad, and the moisture content of filter residue is higher, usually also needs to place draining after filtering, draining is bad
Processing；
(3) structure is complicated is not easy to safeguard.
Summary of the invention
To solve the above-mentioned problems, the utility model embodiment provides a kind of belt filtering device, which incorporates
Vacuum filter and squeeze and filter, and squeeze and filter is divided into the area Liang Ge to promote filter effect；By setting guide piece, to roller
Structure and other measures prevent side leakage；And the apparatus structure is compact and simple, it is easy to maintain.The technical solution is as follows:
The utility model embodiment provides a kind of belt filtering device, which includes the upper filter in rack 1 and rack 1
Band 6 and lower filter belt 5, the rack 1 are equipped with the vacuum filter case 2 connecting with the feeding structure 7 of rack 1, and the lower filter belt 5 is worn
It is bonded the wedge-shaped feed inlet of formation with upper strainer 6 after crossing vacuum filter case 2 and is sequentially passed through together to roller crush zone, dehydration technology area
3 and high press dewatering zone 4, described includes guide piece 22 and guide set on the left and right sides adjacent and above of lower filter belt 5 to roller crush zone
Two pressure rollers 10 at the adjacent rear of piece 22, two pressure rollers 10 constitute roller pair structure, and the dehydration technology area 3 includes at least three
Under staggered big compression roller 12, the high press dewatering zone 4 include at least about three staggered small compression rollers 13, the big extruding
The diameter of roller 12 is greater than the diameter of small compression roller 13, the upper strainer 6 and lower filter belt 5 be bonded after across two pressure rollers 10
Gap simultaneously separates to form discharge port, the vacuum filter with S-shaped at excessive compression roller 12 and small compression roller 13 to discharge rolls 11
Strainer cleaning structure 21, the dehydration technology area 3 and high press-dehydrating are equipped in case 2, dehydration technology area 3 and high press dewatering zone 4
Area 4 is arranged right below filtrate and cleaning solution collection structure 14, and the cleaning solution outlet of the vacuum filter case 2 passes through drain pipe
15 send cleaning solution to filtrate and cleaning solution collection structure 14.
Wherein, the vacuum filter case 2 in the utility model embodiment is along front and back to set on 1 upper front of rack, the pressure
Roller 10 and guide piece 22 are set on rear side of 1 top of rack, the discharge rolls 11, small compression roller 13 and big compression roller 12 from front to back according to
Secondary to be set to 1 middle part of rack, the filtrate and cleaning solution collection structure 14 are set to 1 lower part of rack.
Specifically, the quantity of the big compression roller 12 in the utility model embodiment be 3, the big compression roller 12 at middle part it is straight
Diameter is less than the diameter of the big compression roller 12 of front and rear sides.
Specifically, the quantity of the small compression roller 13 in the utility model embodiment be 6 and its diameter from front to back gradually
Increase.
Wherein, the two panels guide piece 22 in the utility model embodiment is symmetrically set in the left and right sides of the axis of lower filter belt 5
And it moves closer to from front to back；The guide piece 22 is set between upper strainer 6 and lower filter belt 5, and its rear end extends to the phase of lower filter belt 5
Adjacent top is for by the material scraper at 5 edge of lower filter belt to middle part, its rear end to be 5-20mm at a distance from 5 respective side of lower filter belt.
Specifically, the setting side by side up and down of two pressure rollers 10 in the utility model embodiment and between gap be 3-5mm.
Further, it is equipped with driven voller 9 on rear side of the top of the rack 1 in the utility model embodiment, the upper strainer 6 twines
It is wound between driven voller 9 and discharge rolls 11, the driven voller 9 is located at 22 top of guide piece, the upper strainer 6 being around at driven voller 9
Wedge-shaped feed inlet is constituted with lower filter belt 5 below.
Further, the upper front of the rack 1 in the utility model embodiment is additionally provided with error-correction structure 17, drive roll 16
With tension adjustment structure 18, the lower filter belt 5 that self-discharging roller 11 is laid out successively bypasses error-correction structure 17, drive roll 16, tension adjustment
To discharge rolls 11 after structure 18, big compression roller 12 and small compression roller 13.
Technical solution provided by the embodiment of the utility model has the benefit that the utility model embodiment provides
A kind of belt filtering device, which incorporates vacuum filters and squeeze and filter, and squeeze and filter is divided into the area Liang Ge to mention
Filter effect is risen, the moisture content through testing filter residue can reduce 3-10%；Pass through setting guide piece, roller pair structure and other measures
Side leakage is prevented, the opposite clarification of filtrate is convenient for processing；And the apparatus structure is compact and simple, it is easy to maintain.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of belt filtering device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram provided by the embodiment of the utility model to roller crush zone.
In figure: 1 rack, 2 vacuum filter casees, 3 dehydration technology areas, 4 high press dewatering zones, 5 lower filter belts, strainer, 7 chargings on 6
Structure, 8 drain separators, 9 driven vollers, 10 pressure rollers, 11 discharge rolls, 12 big compression rollers, 13 small compression rollers, 14 filtrates and cleaning solution are received
Collect structure, 15 drain pipes, 16 drive rolls, 17 error-correction structures, 18 tension adjustment structures, 19 residue collection slots, 20 materials, 21 strainers
Cleaning structure, 22 guide pieces.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail.
Referring to Fig. 1 and 2, the utility model embodiment provides a kind of belt filtering device, which includes rack 1 and machine
Upper strainer 6 and lower filter belt 5 on frame 1, upper strainer 6 form the common traveling of cladding to the segment section of lower filter belt 5, and rack 1 is equipped with
Be specifically as follows feed hopper with the feeding structure 7(of rack 1, be set to 1 upper front of rack) connection vacuum filter case 2, vacuum
Rose Box 2 and the structure of the vacuum chamber of common vacuum belt filter are essentially the same, by pipeline and steam-water separator and
Vacuum pump connection, interior settable friction band as needed, bottom is equipped with cleaning solution outlet.Wherein, lower filter belt 5 passes through true
Be bonded after empty Rose Box 2 with upper strainer 6 the wedge-shaped feed inlet of formation (at this time lower filter belt 5 under, upper strainer 6 upper, the distance between
Greater than 5mm) and sequentially passed through together to roller crush zone, dehydration technology area 3 and high press dewatering zone 4, being used for roller crush zone will be true
The material for being located at 5 edge of lower filter belt after sky dehydration is collapsed to middle part, dehydration technology area 3 be low pressure (lower filter belt 5 and upper strainer 6 it
Between pressure) for squeezing out a large amount of water, high press dewatering zone 4 is higher-pressure region for further pressing the material between two filter clothes in area
It squeezes.Wherein, to roller crush zone include set on lower filter belt 5 adjacent and above the left and right sides total two panels guide piece 22(bilateral symmetry set
In in rack 1) and the adjacent rear of guide piece 22 two pressure roller 10(or so to setting), guide piece 22 is for collapsing lower filter belt 5
On material prevent side leakage, two guide pieces 22 constitute splayed, are specifically as follows inclined straight panel or arc panel；Two pressure rollers 10
It constitutes the material after roller pair structure is used to collapse and flattens (pressure is minimum).Dehydration technology area 3 includes at least about three and interlocks
Big compression roller 12(or so to setting), high press dewatering zone 4 includes at least about three staggered small compression roller 13(or so to setting
Set), the diameter of big compression roller 12 is greater than the diameter of small compression roller 13；Further, the diameter of big compression roller 12 is small extruding
2-4 times of the diameter of roller 13.Upper strainer 6 and the fitting of lower filter belt 5 (between be equipped with material 20) are afterwards across two pressure rollers 10
Gap and with S-shaped around excessive compression roller 12(with S-shaped around the big compression roller 12 of excessive root) and small compression roller 13(with S-shaped around excessive root
Small compression roller 13) to separating at discharge rolls 11 to form discharge port (lower filter belt 5 separates upwards, the upper separation downwards of strainer 6), discharge rolls
11 are used for discharging, which is provided with drain separator 8, are equipped with residue collection slot 19 below, have a diameter larger than the straight of small compression roller 13
Diameter.(underfaces of respective rollers) are equipped with strainer cleaning structure 21 in vacuum filter case 2, dehydration technology area 3 and high press dewatering zone 4
It is specially flushing pipe for cleaning strainer.Dehydration technology area 3 and high press dewatering zone 4 are arranged right below for collecting filtrate
Filtrate and cleaning solution collection structure 14 with cleaning solution, filtrate and cleaning solution collection structure 14 are specifically as follows collecting tank or collection
Pond；The cleaning solution outlet (for cleaning solution to be discharged) of vacuum filter case 2 is sent cleaning solution to filtrate and clear by drain pipe 15
Wash pools structure 14, drain pipe 15 pass to filtrate and 14 top of cleaning solution collection structure or are passed through in it.
Wherein, referring to Fig. 1, the vacuum filter case 2 in the utility model embodiment is along front and back to before being set to 1 top of rack
Side, pressure roller 10 and guide piece 22 are set on rear side of 1 top of rack, and discharge rolls 11, small compression roller 13 and big compression roller 12 are from front to back
It is sequentially arranged in 1 middle part of rack, discharge rolls 11 are located at the lower section of vacuum filter case 2, and big compression roller 12 is located at 10 lower section of pressure roller, filtrate
1 lower part of rack is set to cleaning solution collection structure 14.
Specifically, referring to Fig. 1, the quantity of the big compression roller 12 in the utility model embodiment is 3, the big extruding at middle part
The diameter of roller 12 is less than the diameter of the big compression roller 12 of front and rear sides, two strainers from 12 back lower place of big compression roller of rear side around entering,
It is laid out below the big compression roller 12 of front side.
Specifically, referring to Fig. 1, the quantity of the small compression roller 13 in the utility model embodiment is 6 and its diameter is by preceding
It is gradually increased after.
Wherein, referring to fig. 2, the two panels guide piece 22 in the utility model embodiment is symmetrically set in the axis of lower filter belt 5
It the left and right sides and moves closer to from front to back；Guide piece 22 be set between upper strainer 6 and lower filter belt 5 (be located at lower filter belt 5 it is adjacent on
Side), its rear end is used for adjacent and above by the material scraper at 5 edge of lower filter belt by being extended in lower filter belt 5 on the outside of lower filter belt 5 into
Portion, its rear end are 5-20mm at a distance from 5 respective side of lower filter belt.
Specifically, the setting side by side up and down of two pressure rollers 10 in the utility model embodiment and between gap be 3-5mm
(filter cake thickness that discharge rolls 11 come out is 2mm or so).
Further, referring to Fig. 1, driven voller 9, upper filter are equipped on rear side of the top of the rack 1 in the utility model embodiment
Band 6, which is wrapped between driven voller 9 and discharge rolls 11, constitutes circuit, and driven voller 9 is located at 22 top of guide piece (after being specifically located at
12 top of big compression roller of side), it is around in the upper strainer 6 at driven voller 9 and constitutes wedge-shaped feed inlet with lower filter belt 5 below.When
So, error-correction structure and tension adjustment structure be may also set up between driven voller 9 and discharge rolls 11.
Further, referring to Fig. 1, the upper front of the rack 1 in the utility model embodiment is additionally provided with error-correction structure 17
(discharge rolls 11 front), 17 rear of drive roll 16(error-correction structure, 18 rear of tension adjustment structure) and tension adjustment structure 18(it is true
Empty 2 front of Rose Box), error-correction structure 17 includes sensor, controller, deviation rectification roller and rectifying cylinder etc. and conventional error-correction structure
Identical, tension adjustment structure 18 includes jockey pulley and deflector roll of the adjustable position of at least one etc. and conventional tension adjustment knot
Structure is identical.The lower filter belt 5 that self-discharging roller 11 is laid out successively bypasses error-correction structure 17, drive roll 16, tension adjustment structure 18, squeezes greatly
Circuit is constituted to discharge rolls 11 after pressure roller 12 and small compression roller 13.
Preferably, the width that the width of the upper strainer 6 in the utility model embodiment is greater than lower filter belt 5 also can effectively avoid
Side leakage.
Wherein, be set as needed deflector roll in the circuit of upper strainer 6 and the circuit of lower filter belt 5, each roller as needed with phase
Dynamic structure (motor) transmission connection answered.
The utility model embodiment provides a kind of belt filtering device, which incorporates vacuum filter and squeezes
Filter, and squeeze and filter is divided into the area Liang Ge to promote filter effect, the moisture content through testing filter residue can reduce 3-10%；It is logical
Crossing setting guide piece, roller pair structure and other measures prevents side leakage, and the opposite clarification of filtrate is convenient for processing；And the apparatus structure is compact
With it is simple, it is easy to maintain.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of belt filtering device, which is characterized in that including the upper strainer (6) and lower filter belt in rack (1) and rack (1)
(5), the rack (1) is equipped with the vacuum filter case (2) connecting with the feeding structure (7) of rack (1), the lower filter belt (5)
It is bonded the wedge-shaped feed inlet of formation with upper strainer (6) afterwards across vacuum filter case (2) and sequentially passes through together to roller crush zone, low pressure
Drying zone (3) and high press dewatering zone (4), described includes being set to lower filter belt (5) to lead the left and right sides adjacent and above to roller crush zone
Two pressure rollers (10) of tablet (22) and the adjacent rear of guide piece (22), two pressure rollers (10) constitute roller pair structure, the low pressure
Drying zone (3) includes at least about three staggered big compression rollers (12), and the high press dewatering zone (4) includes at least about three
Staggered small compression roller (13), the diameter of the big compression roller (12) are greater than the diameter of small compression roller (13), the upper strainer (6)
And after lower filter belt (5) fitting gap across two pressure rollers (10) and with S-shaped around excessive compression roller (12) and small compression roller
(13) to separating to form discharge port at discharge rolls (11), the vacuum filter case (2), dehydration technology area (3) and high press dewatering zone
(4) it is equipped with strainer cleaning structure (21) in, the dehydration technology area (3) and high press dewatering zone (4) are arranged right below filtrate
Cleaning solution is sent by drain pipe (15) with the cleaning solution outlet of cleaning solution collection structure (14), the vacuum filter case (2)
To filtrate and cleaning solution collection structure (14).
2. belt filtering device according to claim 1, which is characterized in that the vacuum filter case (2) is along front and back to setting
In rack (1) upper front, the pressure roller (10) and guide piece (22) are set on rear side of rack (1) top, the discharge rolls (11),
Small compression roller (13) and big compression roller (12) are sequentially arranged in from front to back in the middle part of rack (1), and the filtrate and cleaning solution are collected and tied
Structure (14) is set to rack (1) lower part.
3. belt filtering device according to claim 2, which is characterized in that the quantity of the big compression roller (12) is 3,
The diameter of the big compression roller (12) at middle part is less than the diameter of the big compression roller (12) of front and rear sides.
4. belt filtering device according to claim 2, which is characterized in that the quantity of the small compression roller (13) is 6
And its diameter is gradually increased from front to back.
5. belt filtering device according to claim 2, which is characterized in that two panels guide piece (22) is symmetrically set in lower filter belt
(5) it the left and right sides of axis and moves closer to from front to back；The guide piece (22) is set to upper strainer (6) and lower filter belt (5)
Between, its rear end extend to lower filter belt (5) adjacent and above for by the material scraper at lower filter belt (5) edge to middle part, its rear end with
The distance of lower filter belt (5) respective side is 5-20mm.
6. belt filtering device according to claim 2, which is characterized in that two pressure rollers (10) it is side by side up and down setting and it
Between gap be 3-5mm.
7. belt filtering device according to claim 2, which is characterized in that be equipped on rear side of the top of the rack (1) from
Dynamic roller (9), the upper strainer (6) are wrapped between driven voller (9) and discharge rolls (11), and the driven voller (9) is located at guide piece
(22) top is around in the upper strainer (6) at driven voller (9) and constitutes wedge-shaped feed inlet with lower filter belt (5) below.
8. belt filtering device according to claim 2, which is characterized in that the upper front of the rack (1) is additionally provided with
Error-correction structure (17), drive roll (16) and tension adjustment structure (18), the lower filter belt (5) that self-discharging roller (11) is laid out successively bypass
To discharge rolls after error-correction structure (17), drive roll (16), tension adjustment structure (18), big compression roller (12) and small compression roller (13)
(11)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853681.XU CN208493462U (en) | 2018-06-04 | 2018-06-04 | A kind of belt filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820853681.XU CN208493462U (en) | 2018-06-04 | 2018-06-04 | A kind of belt filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208493462U true CN208493462U (en) | 2019-02-15 |
Family
ID=65288106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820853681.XU Active CN208493462U (en) | 2018-06-04 | 2018-06-04 | A kind of belt filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208493462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU213480U1 (en) * | 2022-03-14 | 2022-09-13 | Юрий Петрович Борисов | Belt filter press for sludge dewatering |
-
2018
- 2018-06-04 CN CN201820853681.XU patent/CN208493462U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU213480U1 (en) * | 2022-03-14 | 2022-09-13 | Юрий Петрович Борисов | Belt filter press for sludge dewatering |
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