CN209333317U - A kind of strainer buffer unit for filter press - Google Patents

Abstract

The utility model discloses a kind of strainer buffer units for filter press, it includes the precompressed dehydration device being mounted between gravity dehydration device and high pressure dehydration device, the precompressed dehydration device includes upper mesh belt, lower mesh belt and rack, upper roller group and lower roller group are installed in the rack, the upper mesh belt is wound in upper roller group, the lower mesh belt is wound in lower roller group, filters pressing space is formed between the upper mesh belt and lower mesh belt, the filters pressing space is moved to the direction close to high pressure dehydration device, and the height in the filters pressing space is gradually reduced along the direction of motion.The utility model is gradually increased pressure suffered by sludge with the diminution of distance between upper and lower mesh belt, so that slowly filters pressing is discharged by the water in sludge by the way that precompressed dehydration device is arranged between gravity dewatering zone and high press dewatering zone.The utility model, which can handle a large amount of sludge, also not to be occurred running mud phenomenon, greatly improves sludge treatment capacity, while also improving the solid content after sludge dewatering.

Description

A kind of strainer buffer unit for filter press

Technical field

The utility model relates to one of filter press technical field buffer unit, especially a kind of filter for filter press Band buffer unit.

Background technique

It needs in the industry such as some chemical industry, leather, pharmacy, building materials, papermaking, printing to sludge caused by sewage treatment Further dehydration eliminates secondary pollution caused by sewage treatment, and current using effect is preferable in dehydration Be belt filter press.Belt filter press is the extruding for passing through two mesh belts by the sludge after flocculating, by the water in sludge Part is separated through mesh belt, so that the higher mud cake of solid content is obtained, and belt filters pressing split air conditioner refers to gravity dehydration Region is separated with high press dewatering zone domain, and lengthens gravity dewatering zone, and in gravity dewatering zone li, the free water of sludge is in gravity It is flowed out down through mesh belt under effect, so that the sludge solid content into higher-pressure region improves, thus the mud handling capacity of higher-pressure region It is improved.

Sludge in filter press is quickly increased by entering higher-pressure region, sludge pressure after gravity dehydration, at this time not yet The part free water being dehydrated completely will quickly be flowed toward both sides, be will appear sludge when sludge quantity is excessive and also flowed toward both sides, Appearance go back and forth between two places mud the phenomenon that, not only reduce machine processing ability, the solid content after also reducing sludge dewatering in this way.

Utility model content

The purpose of this utility model is to provide a kind of strainer buffer unit for filter press, avoids the two of filter press Side occurs running mud, while improving the efficiency of sludge dewatering.

The solution that the utility model solves its technical problem is: a kind of strainer buffer unit for filter press, Including the precompressed dehydration device being mounted between gravity dehydration device and high pressure dehydration device, the precompressed dehydration device includes upper Mesh belt, lower mesh belt and rack are equipped with upper roller group and lower roller group in the rack, and the upper mesh belt is wound on upper roller group On, the lower mesh belt is wound in lower roller group, between the upper mesh belt and lower mesh belt formed filters pressing space, the filters pressing space to It is moved close to the direction of high pressure dehydration device, the height in the filters pressing space is gradually reduced along the direction of motion.

It as a further improvement of the above technical scheme, further include the reversed roller for being mounted on precompressed dehydration device end Group, the reversed roller group include the lower reversed roller that two upper reversed rollers for supporting upper mesh belt and one support lower mesh belt, The rotation direction of the upper reversed roller is with the rotation direction of upper roller group on the contrary, the rotation direction of the lower reversed roller is under The rotation direction of roller group is opposite.

As a further improvement of the above technical scheme, the upper roller group includes at least two upper rollers, the lower roll Cylinder group includes at least two lower rollers.

As a further improvement of the above technical scheme, the arranged beneath of the rack has catch basin.

As a further improvement of the above technical scheme, at least one described upper roller and at least one lower roller respectively with Power device connection.

As a further improvement of the above technical scheme, be equipped in the precompressed dehydration device drive upper roller or/and The mesh belt tightening regulator of lower roller movement, the mesh belt tightening regulator includes the cunning being arranged on rack both sides of the edge The both ends of rail and the slide for being connected with cylinder, the upper roller and/or lower roller are separately mounted on two slides, the slide It moves on the slide rail.

The beneficial effects of the utility model are: the utility model between gravity dewatering zone and high press dewatering zone by being arranged Precompressed dehydration device is gradually increased pressure suffered by sludge with the diminution of distance between upper and lower mesh belt, thus by sludge In water slowly filters pressing be discharged.The utility model, which can handle a large amount of sludge, also not to be occurred running mud phenomenon, is greatly improved Sludge treatment capacity, while also improving the solid content after sludge dewatering.

Detailed description of the invention

It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it His design scheme and attached drawing.

Fig. 1 is the overall structure diagram that the utility model is mounted in filter press；

Fig. 2 is the whole front view that the utility model is mounted in filter press；

Fig. 3 is the reversed roller group enlarged drawing of Fig. 2 in the utility model；

Fig. 4 is the mesh belt tightening regulator enlarged drawing of Fig. 1 in the utility model；

Fig. 5 is the front view of the utility model；

Fig. 6 is the schematic diagram of upper mesh belt and lower mesh belt in the utility model.

Specific embodiment

It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.

Referring to Fig.1~Fig. 6, a kind of strainer buffer unit for filter press comprising be mounted on gravity dehydration device and Precompressed dehydration device between high pressure dehydration device, the precompressed dehydration device include upper mesh belt 21, lower mesh belt 22 and rack 1, Upper roller group 31 and lower roller group 32 are installed, the upper mesh belt 21 is wound in upper roller group 31, described off line in the rack 1 Band 22 is wound in lower roller group 32, and filters pressing space 23, the filters pressing space 23 are formed between the upper mesh belt 21 and lower mesh belt 22 It is moved to the direction close to high pressure dehydration device, the height in the filters pressing space 23 is gradually reduced along the direction of motion.The upper roller Cylinder group 31 includes at least two upper rollers, and the lower roller group 32 includes at least two lower rollers.Sludge to be processed is drawn into In distributing device, after the tiling of distributing device, fallen in gravity dehydration device evenly dispersedly, and carry out gravity dehydration, it Sludge enters the precompressed dehydration device in the utility model afterwards.Upper roller group 31 and lower roller group 32 are mounted on body, and aobvious So, the mounting height of upper roller group 31 is not less than lower roller group 32.Upper mesh belt 21 is wound on the upper roller of upper roller group 31, and under Mesh belt 22 is wound on the lower roller of lower roller group 32.Upper roller in upper roller group 31 is rotated counterclockwise around central axis, lower roller Lower roller in group 32 is rotated counterclockwise around central axis, makes turning oppositely facing same traffic direction for mesh belt 21 and lower mesh belt 22 Dynamic, i.e., filters pressing space 23 is moved towards the direction close to high pressure dehydration device, and sludge is between upper mesh belt 21 and lower mesh belt 22 In filters pressing space 23, transmit to the right.With the transmission to the right of sludge, the height in the filters pressing space 23 between two mesh belts gradually contracts Small, so that pressure suffered by sludge is gradually increased, the water in sludge is discharged by slowly filters pressing.Filters pressing space between two mesh belts The diminution of 23 height can be realized by following approach.One, constant in the installation site of upper roller group 31 and lower roller group 32 When, it is gradually increased the diameter of upper roller and lower roller along traffic direction, the distance between the opposite face of two mesh belts is made gradually to contract It is small.Two, when the dimensions of upper and lower roller is identical, the axle center height of upper roller is made gradually to move down or make lower roll along traffic direction The axle center height of cylinder gradually moves up.Since the pressure size in precompressed dehydration device is moderate, will not go out increasing sludge quantity Existing sludge is the case where filter press goes back and forth between two places mud, and free water can be flowed out in precompressed zone through mesh belt, so that into subsequent high pressure Sludge solid content in dehydration device improves, and sludge will not run mud by biggish pressure at this time, the mud being finally pressed into The solid content of cake is also improved.

It is further used as preferred embodiment, further includes the reversed roller group 4 for being mounted on precompressed dehydration device end, institute Stating reversed roller group 4 includes the lower reversed roller that two upper reversed rollers 41 for supporting upper mesh belt 21 and one support lower mesh belt 22 42, the rotation direction of the upper reversed roller 41 and the rotation direction of upper roller group 31 are on the contrary, the lower reversed roller 42 turns Dynamic direction is opposite with the rotation direction of lower roller group 32.Reversed roller group 4 is added in the end of precompressed dehydration device, wherein upper anti- It is rotated clockwise to roller 41 around central axis, lower reversed roller 42 rotates counterclockwise around central axis, so that upper mesh belt 21 and off line With 22 all respectively by the power with traffic direction opposite direction, the pressure that sludge therebetween is applied by opposite direction, in sludge Water more thoroughly flows out.

Be further used as preferred embodiment, the arranged beneath of the rack 1 has catch basin, collect to convenient and efficient from The sewage being press-filtered out in sludge.

Be further used as preferred embodiment, at least one described upper roller and at least one lower roller respectively with power Device connection.Since upper mesh belt 21 might not be equal with the length of lower mesh belt 22, upper roller group 31 and lower roller group are enabled 32 are driven by independent power device respectively, so that the speed of upper mesh belt 21 and the opposite face of lower mesh belt 22 to be adjusted to unanimously.

It is further used as preferred embodiment, is equipped in the precompressed dehydration device and drives upper roller or/and lower roll The mesh belt tightening regulator 5 of cylinder movement, the mesh belt tightening regulator 5 include the cunning being arranged on 1 both sides of the edge of rack The both ends of rail 51 and the slide 52 for being connected with cylinder 53, the upper roller and/or lower roller are separately mounted on two slides 52, The slide 52 moves on sliding rail 51.Sliding rail 51 is installed, by one of upper roller or lower roll on the both sides of the edge of rack 1 The both ends of the central axis of cylinder are separately fixed on two slides 52, and slide 52 is mounted on sliding rail 51, and slide 52 and cylinder 53 It is connected, cylinder 53 drives slide 52 to move on sliding rail 51, so as to adjust the tensioning degree of mesh belt.

It is to be illustrated to the better embodiment of the utility model, but the invention is not limited to institute above Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention Variation or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims (6)

1. a kind of strainer buffer unit for filter press, it is characterised in that: including being mounted on gravity dehydration device and high pressure-off Precompressed dehydration device between water installations, the precompressed dehydration device include upper mesh belt (21), lower mesh belt (22) and rack (1), Upper roller group (31) and lower roller group (32) are installed, the upper mesh belt (21) is wound on upper roller group (31) on the rack (1) On, the lower mesh belt (22) is wound on lower roller group (32), and it is empty that filters pressing is formed between the upper mesh belt (21) and lower mesh belt (22) Between (23), the filters pressing space (23) moves to close to the direction of high pressure dehydration device, the height edge of the filters pressing space (23) The direction of motion is gradually reduced.

2. a kind of strainer buffer unit for filter press according to claim 1, it is characterised in that: further include being mounted on The reversed roller group (4) of precompressed dehydration device end, the reversed roller group (4) include two and support the upper anti-of upper mesh belt (21) Support the lower reversed roller (42) of lower mesh belt (22) to roller (41) and one, the rotation direction of the upper reversed roller (41) with The rotation direction of upper roller group (31) is on the contrary, the rotation direction of the lower reversed roller (42) and the rotation side of lower roller group (32) To opposite.

3. a kind of strainer buffer unit for filter press according to claim 1, it is characterised in that: the upper roller group It (31) include at least two upper rollers, the lower roller group (32) includes at least two lower rollers.

4. a kind of strainer buffer unit for filter press according to claim 1, it is characterised in that: the rack (1) Arranged beneath have catch basin.

5. a kind of strainer buffer unit for filter press according to claim 3, it is characterised in that: described at least one Upper roller and at least one lower roller are connect with power device respectively.

6. a kind of strainer buffer unit for filter press according to claim 3, it is characterised in that: the pre- press-dehydrating The mesh belt tightening regulator (5) for driving upper roller or/and lower roller to move is installed, the mesh belt tensioning adjusts dress on device Setting (5) includes that sliding rail (51) and slide (52) on rack (1) both sides of the edge is arranged, the upper roller and/or lower roller Both ends are separately mounted on two slides (52), further include the cylinder (53) for driving slide (52) to move on sliding rail (51).