Device for treating and recycling PTA (pure terephthalic acid) wastewater

Abstract

The utility model discloses a PTA (pure terephthalic acid) wastewater treatment and recovery device which comprises a mounting frame, a first connecting pipe and a second connecting pipe are fixedly mounted on the mounting frame, an inclined plate is fixedly mounted in the second connecting pipe, and a mounting pipe is arranged between the first connecting pipe and the second connecting pipe. The device comprises a mounting pipe, two groups of symmetrically distributed side pipes are fixedly mounted on the mounting pipe, filter screen pipes are arranged in the two groups of side pipes, fixing seats are fixedly mounted at two ends of each filter screen pipe, multiple groups of annularly distributed closing plates are arranged on the fixing seats, and the multiple groups of closing plates are rotationally connected with the fixing seats through mounting shafts; the mounting pipe is sleeved with a first gear ring, impurities in water are filtered during PTA wastewater pretreatment through the arranged mounting pipe and filter screen pipes mounted in the two sets of side pipes of the mounting pipe, and switching between the two sets of side pipes and the filter screen pipes is achieved through racks and the first gear ring; and a worker can conveniently clean the filter screen pipe which is full of impurities.

Description

TECHNICAL FIELD

[0001] The utility model relates to PTA wastewater treatment technical field, concretely for a kind of for PTA wastewater treatment recovery device. BACKGROUND

[0002] In the production process of PTA, wastewater is generated in multiple links, mainly including oxidation reaction and refining process, in the oxidation reaction stage, p-xylene (PX) is oxidized into crude terephthalic acid (CTA) under the action of catalyst, then in the refining process, CTA is refined into high-purity PTA through chemical treatment and physical separation, a large amount of wastewater containing high-concentration organic pollutants is generated in this process, pretreatment plays a crucial role in PTA wastewater treatment process, pretreatment removes large particles suspended solids and oil in wastewater through grid and sedimentation, flotation and other technologies, reduces the burden of subsequent treatment, and ensures the efficiency and effect of subsequent treatment process.

[0003] In the prior art, the impurities filtered by the grid and other filtering devices during PTA wastewater recovery pretreatment adhere to the filtering device for a long time, the impurities gradually adhere in large quantities during wastewater filtration, and automatic cleaning and collection of impurities cannot be realized, resulting in gradual reduction of filtration efficiency during wastewater pretreatment process, and gradual reduction of wastewater filtration effect, thereby affecting the progress of subsequent PTA wastewater treatment work. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of for PTA wastewater treatment recovery device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for PTA wastewater treatment recovery device, including mounting bracket, the first connecting pipe and second connecting pipe are fixedly installed on the mounting bracket, the second connecting pipe is fixedly installed with inclined plate in, the first connecting pipe is equipped with installation pipe between second connecting pipe, the installation pipe is respectively rotationally sleeved with first connecting pipe and second connecting pipe, two groups of symmetrical distribution's side pipe are fixedly installed on the installation pipe, clasp ring is fixedly installed in two groups of side pipe, filter screen pipe is equipped in two groups of side pipe, both ends of filter screen pipe are fixedly installed with fixed seat, the fixed seat is attachedly arranged with clasp ring, the fixed seat is screw-threaded with side pipe inner wall, the fixed seat is equipped with multiple groups of annular distribution's closure plate, multiple groups of closure plate are rotationally connected with fixed seat by mounting shaft, the first tooth ring is sleeved on the installation pipe, the rack is slidably installed on the mounting bracket, the rack is meshed with the first tooth ring, the mounting bracket is equipped with screw rod.

[0006] As a further preferred of the technical solution, the mounting ring is rotatably mounted in the fixing seat, and a second gear ring is sleeved on the mounting ring; a plurality of gears are sleeved on the mounting shafts, and the plurality of gears are respectively meshed with the second gear ring.

[0007] As a further preferred of the technical solution, the two ends of the lead screw are respectively penetrated through the mounting frame and rotatably connected with the mounting frame through bearings, and the lead screw is penetrated through the rack and threadedly connected with the rack.

[0008] As a further preferred of the technical solution, the two groups of side pipes are provided with branch pipes, the two groups of branch pipes are provided with clamping grooves, a third connecting pipe is fixedly mounted on the mounting frame, the third connecting pipe is correspondingly arranged with the lower branch pipe, a clamping pipe is arranged between the third connecting pipe and the branch pipe, the clamping pipe is connected with the third connecting pipe through an extension pipe, and the clamping pipe is movably clamped with the branch pipe through the clamping groove.

[0009] As a further preferred of the technical solution, two groups of symmetrically distributed mounting rods are fixedly mounted on the mounting frame, a first extension rod is slidably mounted in each of the two groups of mounting rods, a second extension rod is slidably mounted in the first extension rod, and one end of the second extension rod, away from the mounting rod, is fixedly connected with the clamping pipe.

[0010] As a further preferred of the technical solution, a threaded rod is rotatably mounted in the mounting rod, a threaded pipe is rotatably mounted in the first extension rod, two groups of symmetrically distributed limiting grooves are formed in the threaded rod, two groups of limiting blocks corresponding to the limiting grooves are arranged in the threaded pipe, and the threaded pipe is slidably sleeved with the threaded rod through the limiting blocks.

[0011] As a further preferred of the technical solution, the threaded rod is penetrated through the first extension rod and threadedly connected with the first extension rod, and the threaded pipe is penetrated through the second extension rod and threadedly connected with the second extension rod.

[0012] The utility model provides a kind of for PTA wastewater treatment recovery device, with following beneficial effect:

[0013] (1) the utility model discloses mounting pipe and the filter screen pipe installed in the two groups of side pipes of mounting pipe are arranged, the impurities in water are filtered when PTA wastewater is pretreated, and the conversion between the two groups of side pipes and filter screen pipe is realized by rack and first gear ring, so that the staff is convenient to clean the filter screen pipe that collects impurities, the closure of the fixing seat can be realized by the aggregation of closure plate in the two groups of fixed seat on filter screen pipe, so that one group of filter screen pipe cleaning process does not affect the normal operation of another group of filter screen pipe wastewater pretreatment work.

[0014] (2) The utility model discloses a card pipe through the connection of the clamping groove and branch pipe realizes the connection between third connecting pipe and the lateral pipe below, and the third connecting pipe is connected with water pump, and the waste water is passed through the first connecting pipe and is passed into the installation pipe through the filter screen pipe in the lateral pipe, realizes the filtration work to the impurity in waste water, and through the installation rod, first telescopic link and second telescopic link control the connecting state between card pipe and branch pipe, the rotation of installation pipe is convenient, realizes the conversion between two groups of lateral pipes. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic diagram of the mounting frame of the utility model;

[0017] Figure 3 It is the structure schematic diagram of the filter screen pipe of the utility model;

[0018] Figure 4 It is the structure schematic diagram of the utility model Figure 3 The structure enlarged view of A place;

[0019] Figure 5 It is the structure schematic diagram of the third connecting pipe of the utility model;

[0020] In the drawing: 1, mounting frame;2, first connecting pipe;3, second connecting pipe;4, inclined plate;5, installation pipe;6, first tooth ring;7, rack;8, screw;9, branch pipe;10, clamping groove;11, fixed seat;12, mounting ring;13, second tooth ring;14, closing plate;15, mounting shaft;16, gear;17, third connecting pipe;18, telescopic pipe;19, card pipe;20, installation rod;21, first telescopic link;22, second telescopic link;23, threaded rod;24, threaded pipe;25, limit slot;26, limit block;27, filter screen pipe;28, clamping ring;29, lateral pipe. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiment of the utility model will be described clearly and completely in combination with the drawings in the embodiment of the utility model.

[0022] The utility model provides technical scheme: such as Figures 1-4As shown, in this embodiment, a device for PTA wastewater treatment and recovery, comprising a mounting frame 1, a first connecting pipe 2 and a second connecting pipe 3 are fixedly installed on the mounting frame 1, a swash plate 4 is fixedly installed in the second connecting pipe 3, an installation pipe 5 is arranged between the first connecting pipe 2 and the second connecting pipe 3, the installation pipe 5 is rotatably sleeved with the first connecting pipe 2 and the second connecting pipe 3 respectively, two groups of symmetrically distributed side pipes 29 are fixedly installed on the installation pipe 5, a snap ring 28 is fixedly installed in each of the two groups of side pipes 29, a filter screen pipe 27 is arranged in each of the two groups of side pipes 29, a fixing seat 11 is fixedly installed at both ends of the filter screen pipe 27, the fixing seat 11 is arranged in abutment with the snap ring 28, the fixing seat 11 is threadedly connected with the inner wall of the side pipe 29, a plurality of annularly distributed closure plates 14 are arranged on the fixing seat 11, the plurality of closure plates 14 are rotatably connected with the fixing seat 11 through installation shafts 15, a first tooth ring 6 is sleeved on the installation pipe 5, a rack 7 is slidingly installed on the mounting frame 1, the rack 7 is meshingly connected with the first tooth ring 6, a lead screw 8 is arranged in the mounting frame 1, wastewater enters the installation pipe 5 through the first connecting pipe 2 and flows into the side pipe 29 below the installation pipe 5, the filter screen pipe 27 arranged in the side pipe 29 can filter impurities in the wastewater, the filtered wastewater flows out through the branch pipe 9, the clamp pipe 19 and the telescopic pipe 18 and the third connecting pipe 17 on the side pipe 29, the pretreatment of the wastewater is completed, when the impurities in the filter screen pipe 27 in the side pipe 29 below accumulate more, a motor in the fixing seat 11 below drives a group of installation shafts 15 to rotate, a plurality of installation shafts 15 synchronously rotate under the cooperation of the second tooth ring 13 and the gear 16, and then drive a plurality of closure plates 14 to synchronously rotate, the closure of the fixing seat 11 is realized, an installation ring 12 is rotatably installed in the fixing seat 11, a second tooth ring 13 is sleeved on the installation ring 12, a gear 16 is sleeved on each of the plurality of installation shafts 15, the plurality of gears 16 are meshingly connected with the second tooth ring 13, both ends of the lead screw 8 penetrate through the mounting frame 1 and are rotatably connected with the mounting frame 1 through bearings, the lead screw 8 penetrates through the rack 7 and is threadedly connected with the rack 7, the lead screw 8 is driven by the motor in the mounting frame 1 to rotate, the rack 7 slides on the mounting frame 1 under the limiting action of the mounting frame 1, the installation pipe 5 drives the two groups of side pipes 29 to realize the position exchange on the mounting frame 1 in cooperation with the first tooth ring 6, the fixing seat 11 and the filter screen pipe 27 full of impurities are located above, which does not affect the normal wastewater pretreatment work of another group of filter screen pipes 27 in the side pipe 29 below, the staff can regularly take out the filter screen pipe 27 in the side pipe 29 above which accumulates impurities for unified treatment of the impurities.

[0023] As Figure 2 and Figure 5As shown, the two groups of side pipes 29 are provided with branch pipes 9, the two groups of branch pipes 9 are provided with clamping grooves 10, the mounting frame 1 is fixedly provided with a third connecting pipe 17, the third connecting pipe 17 is correspondingly arranged with the lower branch pipe 9, a clamping pipe 19 is arranged between the third connecting pipe 17 and the branch pipe 9, the clamping pipe 19 is connected with the third connecting pipe 17 through an extension pipe 18, the clamping pipe 19 is movably clamped with the branch pipe 9 through the clamping groove 10, the mounting frame 1 is fixedly provided with two groups of symmetrically distributed mounting rods 20, the two groups of mounting rods 20 are slidably provided with first extension rods 21, the first extension rods 21 are slidably provided with second extension rods 22, the second extension rods 22 are fixedly connected with the clamping pipe 19 at the end away from the mounting rod 20, the mounting rod 20 is rotatably provided with a threaded rod 23, the first extension rod 21 is rotatably provided with a threaded pipe 24, the threaded rod 23 is provided with two groups of symmetrically distributed limiting grooves 25, the threaded pipe 24 is provided with two groups of limiting blocks 26 corresponding to the limiting grooves 25, the threaded pipe 24 is slidably sleeved with the threaded rod 23 through the limiting blocks 26, the threaded rod 23 penetrates through the first extension rod 21 and is threadedly connected with the first extension rod 21, the threaded pipe 24 penetrates through the second extension rod 22 and is threadedly connected with the second extension rod 22, the third connecting pipe 17 is connected with a water pump, the water pump guides the flow direction of the wastewater entering from the first connecting pipe 2, when the first extension rod 21 and the second extension rod 22 in the mounting rod 20 drive the clamping pipe 19 to extend and connect with the branch pipe 9 through the clamping groove 10, the closing plate 14 on the lower fixed seat 11 opens, the closing plate 14 on the lower fixed seat 11 closes, the wastewater enters the mounting pipe 5 from the first connecting pipe 2 and flows to the lower side pipe 29, and after being filtered by the filter screen pipe 27 in the side pipe 29, continues to flow out through the branch pipe 9, the clamping pipe 19, the extension pipe 18 and the third connecting pipe 17, and completes the pretreatment of the wastewater, and when the motor in the mounting rod 20 rotates, the threaded rod 23 rotates and synchronously drives the threaded pipe 24 under the action of the limiting grooves 25 and the limiting blocks 26, so that the first extension rod 21 and the second extension rod 22 retract, drive the clamping pipe 19 to disconnect with the branch pipe 9, and facilitate the rotation of the mounting pipe 5 to drive the two groups of side pipes 29 to realize the exchange of the two groups of filter screen pipes 27.

[0024] The utility model provides a kind of for PTA wastewater treatment recovery device, specific working principle is as follows: wastewater enters installation pipe 5 in first connecting pipe 2, and flow into the lateral pipe 29 below installation pipe 5, the filter screen pipe 27 arranged in lateral pipe 29 can realize the filtration of impurity in wastewater, and the wastewater after filtration flows out through branch pipe 9, card pipe 19 and telescopic pipe 18 and third connecting pipe 17 on lateral pipe 29, complete the pretreatment of wastewater, when impurity is more in filter screen pipe 27 in lateral pipe 29 below, a group of installation shaft 15 is rotated under the cooperation of second tooth ring 13 and gear 16, and then drive a plurality of closure plate 14 synchronous rotation, realize the closure of fixed seat 11, the motor in mounting bracket 1 drives screw rod 8 rotation, under the limiting effect of mounting bracket 1, make rack 7 slide on mounting bracket 1, cooperate first tooth ring 6 to make installation pipe 5 drive two lateral pipes 29 on mounting bracket 1 realize the exchange of position, fixed seat 11 and filter screen pipe 27 filled with impurities are located above, do not affect the normal wastewater pretreatment work of another filter screen pipe 27 in lateral pipe 29 below, staff can periodically take out filter screen pipe 27 in lateral pipe 29 above and accumulate impurities to carry out unified treatment of impurity, third connecting pipe 17 is connected with water pump, and water pump guides the flow direction of wastewater entering from first connecting pipe 2, when first telescopic rod 21 and second telescopic rod 22 in installation rod 20 drive card pipe 19 to stretch out and connect with branch pipe 9 through clamping groove 10, the closure plate 14 on fixed seat 11 above filter screen pipe 27 in lateral pipe 29 below is opened, and the closure plate 14 on fixed seat 11 below is closed, wastewater enters installation pipe 5 from first connecting pipe 2 and flows to lateral pipe 29 below, continue to flow out through branch pipe 9, card pipe 19, telescopic pipe 18 and third connecting pipe 17 after the filtration of filter screen pipe 27 in lateral pipe 29, complete the pretreatment of wastewater, and when motor rotates in installation rod 20, threaded rod 23 rotates, and realizes the synchronous driving of threaded pipe 24 under the action of limiting groove 25 and limiting block 26, so that first telescopic rod 21 and second telescopic rod 22 retract, drive card pipe 19 to remove the connection of branch pipe 9, facilitate installation pipe 5 drive two lateral pipes 29 rotation to realize the exchange of two filter screen pipes 27.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A PTA wastewater treatment and recovery device comprising a mounting frame (1), characterized in that: The mounting frame (1) is fixedly provided with a first connecting pipe (2) and a second connecting pipe (3), the second connecting pipe (3) is fixedly provided with an inclined plate (4), the first connecting pipe (2) and the second connecting pipe (3) are provided with a mounting pipe (5), the mounting pipe (5) is rotatably connected with the first connecting pipe (2) and the second connecting pipe (3), the mounting pipe (5) is fixedly provided with two groups of symmetrically distributed side pipes (29), the two groups of side pipes (29) are fixedly provided with clamping rings (28), the two groups of side pipes (29) are provided with filter screen pipes (27), the two ends of the filter screen pipe (27) are fixedly provided with fixed seats (11), the fixed seat (11) is arranged in close contact with the clamping ring (28), the fixed seat (11) is screwedly connected with the inner wall of the side pipe (29), the fixed seat (11) is provided with a plurality of annularly distributed closing plates (14), the plurality of closing plates (14) are rotatably connected with the fixed seat (11) through mounting shafts (15), the mounting pipe (5) is sleeved with a first tooth ring (6), the mounting frame (1) is slidably provided with a rack (7), the rack (7) is in meshing connection with the first tooth ring (6), and the mounting frame (1) is provided with a lead screw (8).

2. A device for treating and recycling PTA waste water according to claim 1, characterized in that: The fixed seat (11) is rotatably provided with a mounting ring (12), the mounting ring (12) is sleeved with a second tooth ring (13), a plurality of mounting shafts (15) are sleeved with gears (16), and the plurality of gears (16) are in meshing connection with the second tooth ring (13).

3. A device for treating and recycling PTA waste water according to claim 1, characterized in that: The two ends of the lead screw (8) penetrate through the mounting frame (1) and are rotatably connected with the mounting frame (1) through bearings, and the lead screw (8) penetrates through the rack (7) and is in threaded connection with the rack (7).

4. The apparatus for PTA wastewater treatment and recovery according to claim 1, wherein: Two groups of side pipes (29) are provided with branch pipes (9), and the two groups of branch pipes (9) are provided with clamping grooves (10), a third connecting pipe (17) is fixedly arranged on the mounting frame (1), the third connecting pipe (17) is arranged in correspondence with the lower branch pipe (9), a clamping pipe (19) is arranged between the third connecting pipe (17) and the branch pipe (9), the clamping pipe (19) is connected with the third connecting pipe (17) through an extension pipe (18), and the clamping pipe (19) is movably clamped with the branch pipe (9) through the clamping groove (10).

5. The apparatus for PTA wastewater treatment and recovery according to claim 1, wherein: Two groups of symmetrically distributed mounting rods (20) are fixedly arranged on the mounting frame (1), first telescopic rods (21) are slidably arranged in the two groups of mounting rods (20), second telescopic rods (22) are slidably arranged in the first telescopic rods (21), and one end of the second telescopic rod (22) away from the mounting rod (20) is fixedly connected with the clamping pipe (19).

6. A device for PTA wastewater treatment and recovery according to claim 5, characterized in that: A threaded rod (23) is rotatably arranged in the mounting rod (20), a threaded pipe (24) is rotatably arranged in the first telescopic rod (21), two groups of symmetrically distributed limiting grooves (25) are formed in the threaded rod (23), two groups of limiting blocks (26) corresponding to the limiting grooves (25) are arranged in the threaded pipe (24), and the threaded pipe (24) is slidably sleeved with the threaded rod (23) through the limiting blocks (26).

7. A device for PTA wastewater treatment and recovery according to claim 6, characterized in that: The threaded rod (23) penetrates the first telescopic rod (21) and is threadedly connected with the first telescopic rod (21), and the threaded tube (24) penetrates the second telescopic rod (22) and is threadedly connected with the second telescopic rod (22).

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