Trench fiber recycling device

Abstract

The utility model discloses a recycling device for trench fibers. The recycling device comprises a recycling front pretreatment section and a recycling rear pulping processing section, the recovery pre-treatment section comprises a pretreatment trench communicated with a workshop trench, a first water collecting pit, a second water collecting pit, a first pumping assembly, a slag salvaging assembly and an extrusion water removal assembly; one side of the first water collecting pit is communicated with the pretreatment trench; the slag salvaging assembly is arranged in the pretreatment trench; large garbage and squeezed juice in a pretreatment trench are fished out through the residue fishing assembly, then supernatant liquid of settled liquid in the first water collecting pit overflows into the second water collecting pit to be subjected to secondary settling through overflowing, and then the supernatant liquid in the second water collecting pit is pumped into the squeezing water removal assembly through the first pumping assembly to be subjected to water removal. And then the slurry is introduced into the slurry forming processing section after being recycled for slurry forming processing, so that recycling of trench fibers is realized, and pollution is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking recycling production equipment field, concretely relates to a ditch fiber recycling device. BACKGROUND

[0002] Papermaking process often needs to discharge a part of dregs to the sewage ditch, and some dregs contain a part of fibers, and the part of fibers will cause environmental pollution and waste if directly discharged. CONTENT

[0003] Therefore, the utility model aims at providing a ditch fiber recycling device to solve the above problems.

[0004] In order to solve the above technical problem, the technical scheme of the utility model is as follows: a ditch fiber recycling device, comprising a recycling front pretreatment section and a recycling rear pulp processing section; the recycling front pretreatment section comprises a pretreatment ditch communicated with the workshop ditch, a first water collecting pit, a second water collecting pit, a first pumping assembly, a dreg salvaging assembly and an extrusion water removing assembly; one side of the first water collecting pit is communicated with the pretreatment ditch, and the other side is provided with an overflow channel communicated with the second water collecting pit; the dreg salvaging assembly is arranged inside the pretreatment ditch, one end of the first pumping assembly is arranged in the second water collecting pit, and the other end is communicated with the extrusion water removing assembly; the extrusion water removing assembly passes the dregs after water removal into the recycling rear pulp processing section for processing and pulping.

[0005] Preferably, a first gate is arranged between the pretreatment ditch and the first water collecting pit, and a second gate is arranged between the first water collecting pit and the second water collecting pit.

[0006] Preferably, a stirring assembly is arranged in the second water collecting pit.

[0007] Preferably, the first pumping assembly comprises a negative pressure water guide tank and a first water pump.

[0008] Preferably, the recycling rear pulp processing section comprises a pulping assembly, a pulp storage tower, a pulp forming pool, a white water pool and a forming net, the pulp outlet of the pulping assembly is communicated with the pulp storage tower, the pulp outlet of the pulp storage tower is communicated with the pulp forming pool, the pulp outlet of the pulp forming pool and the water outlet of the white water pool are communicated to the forming net after converging, and the water outlet of the forming net flows back to the white water pool.

[0009] Preferably, a sedimentation assembly is further connected to the white water pool.

[0010] Preferably, a second water pump is arranged between the pulping assembly and the pulp storage tower, between the pulp storage tower and the pulp forming pool, and between the pulp forming pool and the forming net.

[0011] The technical effect of the utility model mainly embodies: the big block of garbage and the juice in the pretreatment ditch are fished out through the slag salvaging assembly, then the supernatant liquid after the settlement of the liquid overflowing to the first water collecting pit is overflowed to the second water collecting pit for secondary settlement, then the supernatant liquid in the second water collecting pit is extracted to the extrusion water removing assembly through the first pumping assembly for water removal, so that the slurry liquid with less impurities is obtained, then is input into the slurry processing section after recovery for slurry processing, finally realizes the recycling of the ditch fiber, reduces the problem of sewage pollution, and is green and environment-friendly. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] The figure mark is: 1-recycling front pretreatment section, 11-preprocessing ditch, 12-first water collecting pit, 121-overflow channel, 13-second water collecting pit, 131-stirring assembly, 14-first pumping assembly, 141-negative pressure water guide tank, 142-first water pump, 15-slag salvaging assembly, 16-extrusion water removing assembly, 17-first gate, 18-second gate, 2-recycling rear slurry processing section, 21-pulping assembly, 22-slurry storage tower, 23-slurry pool, 24-white water pool, 25-molding net, 26-settling assembly. DETAILED DESCRIPTION

[0014] The specific embodiment of the utility model is further described in combination with the drawings, so that the technical scheme of the utility model is easier to understand and master.

[0015] In the embodiment, it is understood that the terms "intermediate", "upper", "lower", "top", "right side", "left end", "upper", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0016] In addition, in the specific embodiment, the connection or fixing mode between the components is not particularly described, which can be bolted or pinned, or connected by a pin shaft, and the like, which are commonly used in the prior art, therefore, in the embodiment, it will not be described in detail.

[0017] The utility model provides a ditch fiber recycling device, which comprises a pretreatment ditch, a first water collecting pit, a second water collecting pit, a first pumping assembly, a slag salvaging assembly and an extrusion water removing assembly. Figure 1As shown, it comprises a recycling front pretreatment section 1 and a recycling rear slurry processing section 2; the recycling front pretreatment section comprises a pretreatment trench 11 communicated with a workshop trench, a first water collecting pit 12, a second water collecting pit 13, a first pumping assembly 14, a slag salvaging assembly 15 and an extrusion water removal assembly 16; one side of the first water collecting pit 12 is communicated with the pretreatment trench 11, and the other side is provided with an overflow channel 121 communicated with the second water collecting pit 13; the slag salvaging assembly 15 is arranged inside the pretreatment trench 11, one end of the first pumping assembly 14 is arranged in the second water collecting pit 13, and the other end is communicated with the extrusion water removal assembly 16; the extrusion water removal assembly 16 passes the dewatered slag into the recycling rear slurry processing section 2 for processing and slurry forming; the large pieces of garbage and juice in the pretreatment trench 11 are salvaged through the slag salvaging assembly 15, and the supernatant liquid after sedimentation in the first water collecting pit 12 is overflowed into the second water collecting pit 13 for secondary sedimentation; the supernatant liquid in the second water collecting pit 13 is extracted to the extrusion water removal assembly 16 for dewatering through the first pumping assembly 14, so as to obtain slurry liquid with less impurities, which is then passed into the recycling rear slurry processing section 2 for slurry processing, so as to finally realize recycling and reuse of the trench fiber, reduce the problem of sewage pollution, and realize green environmental protection.

[0018] As a preferred, a first gate machine 17 is arranged between the pretreatment trench 11 and the first water collecting pit 12, and a second gate machine 18 is arranged between the first water collecting pit 12 and the second water collecting pit 13; the water flow communication and disconnection state between the pretreatment trench 11 and the first water collecting pit 12 and between the first water collecting pit 12 and the second water collecting pit 13 are controlled through the first gate machine 17 and the second gate machine 18, so as to facilitate the communication after sufficient sedimentation in the first water collecting pit 12 and the second water collecting pit 13, so as to obtain supernatant liquid with more clean upper layer, and improve the efficiency of sedimentation separation.

[0019] As a preferred, a stirring assembly 131 is arranged in the second water collecting pit 13 for stirring in the second water collecting pit 13 before sedimentation operation.

[0020] As a preferred, the first pumping assembly 14 comprises a negative pressure water guide tank 141 and a first water pump 142, and the negative pressure water guide tank 141 is used for realizing negative pressure water pumping.

[0021] As preferred, the recycling post-pulping processing section 2 comprises a pulping assembly 21, a pulp storage tower 22, a pulping pool 23, a white water pool 24 and a forming wire 25, the pulping assembly 21 is communicated with the pulp storage tower 22, the pulp storage tower 22 is communicated with the pulping pool 23, the pulping pool 23 is communicated with the white water pool 24, and the water outlet of the white water pool 24 is communicated with the forming wire 25, so that the pulp and the white water are mixed and diluted, and the fibers are hung on the forming wire 25 to form paper, and the water outlet of the forming wire 25 returns to the white water pool, so that the white water is used repeatedly, and water resource waste is avoided.

[0022] As preferred, the white water pool 24 is further connected with a sedimentation assembly 26 for releasing a sedimentation agent to sediment negative ions in the pulp.

[0023] As preferred, the second water pump is arranged between the pulping assembly 21 and the pulp storage tower 22, between the pulp storage tower 22 and the pulping pool 23, and between the pulping pool 23 and the forming wire 25, for improving the pumping efficiency.

[0024] The technical effects of the present application mainly include: the large pieces of garbage and juice in the pretreatment ditch are fished out by the slag fishing assembly, the upper layer clear liquid of the settled liquid in the first water collecting pit is overflowed to the second water collecting pit for secondary settlement, the upper layer clear liquid in the second water collecting pit is extracted to the extrusion water removal assembly by the first pumping assembly for water removal, so that the pulp liquid with less impurities is obtained, and then is introduced into the recycling post-pulping processing section for pulping processing, so that the recycling and reuse of ditch fibers are realized, the problem of sewage pollution is reduced, and the green environmental protection is realized.

[0025] Of course, the above is only a typical example of the present application, and in addition to this, the present application can have other various specific implementation manners, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of the present application.

Claims

1. A device for recycling and reusing fiber from drainage ditches, characterized in that, The system includes a pretreatment section for recycling and a post-recycling pulping section. The pretreatment section includes a pretreatment ditch connected to the workshop trench, a first collection pit, a second collection pit, a first pumping assembly, a slag removal assembly, and a dewatering assembly. One side of the first collection pit is connected to the pretreatment ditch, and the other side has an overflow channel connected to the second collection pit. The slag removal assembly is located inside the pretreatment ditch. One end of the first pumping assembly is located inside the second collection pit, and the other end is connected to the dewatering assembly. The dewatering assembly feeds the dewatered slag into the post-recycling pulping section for processing and pulping.

2. The trench fiber recycling and reuse device as described in claim 1, characterized in that, A first gate is installed between the pretreatment ditch and the first collection pit, and a second gate is installed between the first collection pit and the second collection pit.

3. The trench fiber recycling and reuse device as described in claim 2, characterized in that, The second water collection pit is equipped with a stirring component.

4. The trench fiber recycling and reuse device as described in claim 1, characterized in that, The first pumping assembly includes a negative pressure water tank and a first water pump.

5. The trench fiber recycling and reuse device as described in claim 1, characterized in that, The post-recycling pulping processing section includes a pulping assembly, a pulp storage tower, a pulping tank, a white water tank, and a forming screen. The pulp outlet of the pulping assembly is connected to the pulp storage tower, the pulp outlet of the pulp storage tower is connected to the pulping tank, the pulp outlet of the pulping tank and the outlet of the white water tank converge and connect to the forming screen, and the outlet of the forming screen flows back into the white water tank.

6. The trench fiber recycling and reuse device as described in claim 5, characterized in that, The white water pool is also connected to a settling device.

7. The trench fiber recycling and reuse device as described in claim 5, characterized in that, A second water pump is installed between the pulping assembly and the pulp storage tower, between the pulp storage tower and the pulp forming tank, and between the pulp forming tank and the forming mesh.

Images