Viscose fiber sludge conditioning device and conditioning process
By designing viscose fiber sludge conditioning equipment and processes, the problem of sludge not being able to be directly discharged was solved, achieving effective sludge treatment and safe wastewater discharge, ensuring thorough mixing of sludge and fly ash, and reducing the risk of environmental pollution.
Patent Information
- Application Number
- CN202311795722.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2043-12-25
AI Technical Summary
The sludge generated during viscose fiber production cannot be discharged directly, and traditional sedimentation processes cannot effectively treat it, leading to environmental pollution risks.
A viscose fiber sludge conditioning device was designed, including a neutralization reaction tank, a sedimentation tank, a thickening tank, a sludge mixing tank, and a conditioning tank. Through neutralization, sedimentation, thickening, and sludge treatment processes, combined with the mixing tank, mixing shaft, and auxiliary feeding structure, the sludge can be effectively conditioned.
It effectively removes harmful substances from viscose fiber production wastewater, reduces the safety of wastewater discharge, and ensures thorough mixing and treatment of sludge.
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Figure CN117819793B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of viscose fiber wastewater treatment, in particular to a viscose fiber sludge conditioning device and a conditioning process. BACKGROUND
[0002] Viscose fiber, also known as viscose, is a type of man-made fiber. The main raw material for viscose fiber is chemical pulp, including cotton pulp and wood pulp. Viscose fiber is regenerated from natural cellulose through chemical reaction. The main raw material used is cotton pulp.
[0003] Viscose fiber has good moisture absorption, easy dyeing, and is not prone to static electricity, and has good spinnability, so it is widely used in various textile and clothing fields.
[0004] However, in order to avoid environmental pollution caused by viscose fiber production wastewater discharge, viscose fiber production wastewater needs to be purified before discharge.
[0005] However, the traditional viscose fiber production wastewater treatment process needs to go through a sedimentation process, and the sludge formed in the sedimentation process cannot be directly discharged. Therefore, the present application provides a viscose fiber sludge conditioning device and a conditioning process to solve the above problems. SUMMARY
[0006] The purpose of the present application is to provide a viscose fiber sludge conditioning device and a conditioning process to solve the problems raised in the background art.
[0007] To achieve the above purpose, the present application provides the following technical scheme: a viscose fiber sludge conditioning device, comprising:
[0008] A neutralization reaction tank, the viscose fiber production wastewater to be treated is treated by reaction in the neutralization reaction tank;
[0009] A sedimentation tank, the sludge in the neutralization reaction tank is transported to the sedimentation tank by a primary sludge pump system;
[0010] A concentration tank, the sedimentation tank is connected to a primary feed port of a pipeline mixer through a secondary sludge pump system, a secondary feed port of the pipeline mixer is connected to a polyacrylamide feeding device through a polyacrylamide feeding pipeline, and a discharge port of the pipeline mixer is connected to the concentration tank through a secondary pipeline;
[0011] A lime sludge stirring tank, the concentration tank is connected to the lime sludge stirring tank through a tertiary sludge pump system;
[0012] A fly ash tank, the end of the powder feeder on the fly ash tank is located directly above the opening of the lime sludge stirring tank.
[0013] The conditioning tank is connected with the conditioning tank through the four-stage sludge pump system, and a five-stage sludge pump system is connected to the side wall of the bottom of the tank body of the conditioning tank.
[0014] Preferably, the sludge stirring tank comprises:
[0015] The stirring tank body is provided with a support leg structure at the bottom, a first-stage sealing bearing is fixedly installed in the central hole of the bottom of the stirring tank body, an annular seat is fixedly installed at the upper end of the inner side wall of the stirring tank body, a second-stage bearing seat is connected to the inner side wall of the annular seat through a second-stage connecting rod, and a second-stage sealing bearing is fixedly installed on the second-stage bearing seat.
[0016] The stirring shaft is rotatably installed on the stirring tank body through the first-stage sealing bearing and the second-stage sealing bearing, the lower end of the stirring shaft is in transmission connection with the driving motor below the stirring tank body through a shaft coupling, and the driving motor is fixed on the support leg structure through a motor support.
[0017] The stirring blades are fixedly connected to the side wall of the stirring shaft.
[0018] Preferably, the side wall of the stirring shaft is connected with an auxiliary feeding structure through a connecting shaft, the stirring blades and the auxiliary feeding structure are equally circumferentially provided with three, and the stirring blades and the auxiliary feeding structure are arranged in a staggered manner, an annular gear is fixedly connected to the lower side of the annular seat, and the auxiliary feeding structure is composed of a feeding pipe, a feeding rotating shaft and feeding blades.
[0019] Preferably, the feeding pipe is a circular pipe structure, the feeding pipe is connected with the side wall of the stirring shaft through the connecting shaft, a third-stage bearing seat is connected to the upper end position of the inner cavity of the feeding pipe through a third-stage connecting rod, a third-stage sealing bearing is installed on the third-stage bearing seat, a fourth-stage bearing seat is connected to the lower end position of the inner cavity of the feeding pipe through a fourth-stage connecting rod, and a fourth-stage sealing bearing is installed on the fourth-stage bearing seat, the feeding rotating shaft is rotatably arranged in the inner cavity of the feeding pipe through the third-stage sealing bearing and the fourth-stage bearing seat, the feeding blades are arranged on the outer side wall of the feeding rotating shaft, and the feeding blades are in a spiral blade structure.
[0020] Preferably, a first-stage gear is fixedly installed at the upper end of the feeding rotating shaft, an emptying groove is formed in the outer side of the upper end of the feeding pipe, a fifth-stage bearing seat is fixedly connected to the position of the outer side wall of the feeding pipe at the emptying groove, a gear shaft is rotatably installed on the fifth-stage bearing seat through a fifth-stage bearing, a second-stage gear is fixedly installed on the gear shaft, the second-stage gear is in meshing arrangement with the first-stage gear, and the second-stage gear is in meshing arrangement with the annular gear.
[0021] Preferably, the driving motor drives the feeding shaft and the feeding blade to move through the ring gear, the secondary gear and the primary gear, and the feeding blade moves from top to bottom.
[0022] Preferably, the feeding pipe is integrally formed with a receiving hopper at the upper end, the lower end of the receiving hopper is staggered with the horizontal projection of the primary gear, and the receiving hopper is inclined as a whole, and the upper end of the receiving hopper corresponds to the end of the powder feeder.
[0023] Preferably, the end of the powder feeder is provided with an infrared sensor, and when the receiving hopper is directly below the end of the powder feeder, the powder feeder discharges, and when the end of the powder feeder is staggered with the receiving hopper, the powder feeder stops discharging.
[0024] Preferably, the inner side wall of the ring seat is provided with a collision assembly composed of a reset spring and a collision rod, the collision rod is connected to the ring seat through the reset spring, when the reset spring is in the reset state, the collision rod will interfere with the receiving hopper, and when the reset spring is bent, the collision rod will squeeze past from the side of the receiving hopper.
[0025] A viscose fiber sludge conditioning process is realized by the above-mentioned viscose fiber sludge conditioning equipment, and the viscose fiber sludge conditioning process comprises:
[0026] A viscose fiber production wastewater neutralization and treatment process, in which the viscose fiber production wastewater is delivered to the neutralization reaction tank for neutralization treatment;
[0027] A sedimentation treatment process, in which the wastewater treated by neutralization is delivered to the sedimentation tank by the primary sludge pump system for sedimentation treatment;
[0028] A concentration treatment process, in which the wastewater treated by sedimentation is delivered to the pipeline mixer by the secondary sludge pump system, and the polyacrylamide solution in the polyacrylamide feeding device is delivered to the pipeline mixer by the polyacrylamide feeding pipeline to mix with the wastewater treated by sedimentation, and then the mixture is delivered to the concentration tank for concentration treatment, and the supernatant is discharged after treatment;
[0029] A lime mud treatment process, in which the concentrated sludge at the bottom of the concentration tank is delivered to the lime mud stirring tank by the tertiary sludge pump system, and the fly ash in the fly ash tank is delivered to the lime mud stirring tank by the powder feeder, and the fly ash and the sludge are stirred and mixed by the stirring shaft;
[0030] The conditioning process, wherein the fly ash, sludge mixture is transported into the conditioning tank by the fourth sludge pump system for treatment;
[0031] The polyacrylamide solution in the concentration treatment process is cationic polyacrylamide, and the concentration is 0.1%-2%, and the ratio of the sludge flow is 1:5-1:50;
[0032] In the lime sludge treatment process, the concentration sludge and fly ash conditioning ratio is 1:1-10:1.
[0033] Compared with the prior art, the beneficial effects of the present application are:
[0034] 1. The viscose fiber sludge conditioning equipment composed of reaction tank, sedimentation tank, concentration tank, lime sludge stirring tank, fly ash tank and conditioning tank is set to treat viscose fiber production wastewater, which effectively removes harmful substances in viscose fiber production wastewater through neutralization process, sedimentation process, concentration process and lime sludge treatment process, thereby effectively reducing the safety of viscose fiber production wastewater discharge;
[0035] 2. The lime sludge stirring tank composed of stirring tank body, stirring shaft and stirring blade is set, and the auxiliary feeding structure composed of feeding pipe, feeding shaft and feeding blade is connected to the stirring shaft, so that the fly ash is directly fed into the bottom of the stirring tank body through the auxiliary feeding structure, thereby avoiding the problem that the fly ash is not easy to mix with the sludge at the bottom of the stirring tank body. BRIEF DESCRIPTION OF DRAWINGS
[0036] Figure 1 It is a structural schematic diagram of the present application;
[0037] Figure 2 It is a structural schematic diagram of the lime sludge stirring tank of the present application;
[0038] Figure 3 It is a half-sectional view of the lime sludge stirring tank of the present application;
[0039] Figure 4 It is Figure 3 It is an enlarged schematic diagram of structure A;
[0040] Figure 5 It is a distribution schematic diagram of the auxiliary feeding structure of the present application;
[0041] Figure 6 It is a half-sectional view of the auxiliary feeding structure of the present application;
[0042] Figure 7 It is Figure 6 It is an enlarged schematic diagram of structure B;
[0043] Figure 8 It isFigure 6 Structure enlarged schematic view at C.
[0044] In the figure: Concentration tank 1, lime slurry mixing tank 2, fly ash tank 3, conditioning tank 4, secondary sludge pump system 5, pipeline mixer 6, polyacrylamide feeding pipeline 7, secondary pipeline 8, tertiary sludge pump system 9, powder feeder 12, quaternary sludge pump system 13, quinary sludge pump system 14, mixing tank body 15, mixing shaft 16, mixing blade 17, annular seat 18, secondary connecting rod 19, annular gear 20, auxiliary feeding structure 21, connecting shaft 22, feeding pipe 23, feeding shaft 24, feeding blade 25, tertiary connecting rod 26, quaternary connecting rod 27, quaternary bearing seat 28, quaternary sealing bearing 29, primary gear 30, gear shaft 31, secondary gear 32, receiving hopper 33, leg structure 34, return spring 35, impact rod 36. DETAILED DESCRIPTION
[0045] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0046] Please refer to Figures 1-8 The present application provides the following five preferred embodiments:
[0047] Embodiment one
[0048] A viscose fiber sludge conditioning device, the viscose fiber sludge conditioning device comprises a neutralization reaction tank, a sedimentation tank, a concentration tank 1, a lime slurry mixing tank 2, a fly ash tank 3 and a conditioning tank 4, the viscose fiber production wastewater to be treated is treated by the neutralization reaction tank, the sludge in the neutralization reaction tank is transported to the sedimentation tank by a primary sludge pump system, the sedimentation tank is connected with a primary feeding port of a pipeline mixer 6 through a secondary sludge pump system 5, a secondary feeding port of the pipeline mixer 6 is connected with a polyacrylamide feeding device through a polyacrylamide feeding pipeline 7, a discharge port of the pipeline mixer 6 is connected with the concentration tank 1 through a secondary pipeline 8, the concentration tank 1 is connected with the lime slurry mixing tank 2 through a tertiary sludge pump system 9, a powder feeder 12 on the fly ash tank 3 has an end located directly above an opening of the lime slurry mixing tank 2, the lime slurry mixing tank 2 is connected with the conditioning tank 4 through a quaternary sludge pump system 13, and the conditioning tank 4 has a quinary sludge pump system 14 connected to a bottom sidewall of a tank body thereof.
[0049] The lime stirring tank 2 comprises a stirring tank body 15, a stirring shaft 16 and stirring blades 17, the bottom of the stirring tank body 15 is provided with a supporting leg structure 34, a primary sealing bearing is fixedly installed in the bottom center hole of the stirring tank body 15, an annular seat 18 is fixedly installed on the upper end of the inner side wall of the stirring tank body 15, a secondary bearing seat is connected with a secondary connecting rod 19 on the inner side wall of the annular seat 18, a secondary sealing bearing is fixedly installed on the secondary bearing seat, the stirring shaft 16 is rotatably installed on the stirring tank body 15 through the primary sealing bearing and the secondary sealing bearing, the lower end of the stirring shaft 16 is in transmission connection with a driving motor below the stirring tank body 15 through a shaft coupling, the driving motor is fixed on the supporting leg structure 34 through a motor support, the stirring blades 17 are fixedly connected on the side wall of the stirring shaft 16, and the viscose fiber sludge conditioning equipment composed of the reaction tank, the sedimentation tank, the concentration tank 1, the lime stirring tank 2, the fly ash tank 3 and the conditioning tank 4 is arranged to treat the viscose fiber production wastewater, harmful substances in the viscose fiber production wastewater are effectively removed through the neutralization treatment process, the sedimentation treatment process, the concentration treatment process and the lime treatment process, and thus the safety of the viscose fiber production wastewater discharge is effectively reduced.
[0050] Example two
[0051] On the basis of example one, the side wall of the stirring shaft 16 is connected with an auxiliary feeding structure 21 through a connecting shaft 22, the stirring blades 17 and the auxiliary feeding structure 21 are equally circumferentially arranged with three, and the stirring blades 17 and the auxiliary feeding structure 21 are arranged in a staggered manner, an annular gear 20 is fixedly connected to the lower side of the annular seat 18, the auxiliary feeding structure 21 is composed of a feeding pipe 23, a feeding rotating shaft 24 and feeding blades 25, the feeding pipe 23 is a circular pipe structure, and the feeding pipe 23 is connected with the side wall of the stirring shaft 16 through the connecting shaft 22, a tertiary bearing seat is connected to the upper end position of the inner cavity of the feeding pipe 23 through a tertiary connecting rod 26, a tertiary sealing bearing is installed on the tertiary bearing seat, a quaternary bearing seat 28 is connected to the lower end position of the inner cavity of the feeding pipe 23 through a quaternary connecting rod 27, a quaternary sealing bearing 29 is installed on the quaternary bearing seat 28, the feeding rotating shaft 24 is rotatably arranged in the inner cavity of the feeding pipe 23 through the tertiary sealing bearing and the quaternary bearing seat 28, the feeding blades 25 are arranged on the outer side wall of the feeding rotating shaft 24, and the feeding blades 25 are in a spiral blade structure, the lime stirring tank 2 composed of the stirring tank body 15, the stirring shaft 16 and the stirring blades 17 is arranged, and the auxiliary feeding structure 21 composed of the feeding pipe 23, the feeding rotating shaft 24 and the feeding blades 25 is connected to the stirring shaft 16 through the connecting shaft 22, so that the fly ash is directly sent to the bottom of the stirring tank body 15 through the auxiliary feeding structure 21, and thus the problem that the fly ash is not easy to be fully mixed with the sludge at the bottom of the stirring tank body 15 due to the lightness of the fly ash is avoided.
[0052] The upper end of the feeding rotating shaft 24 is fixedly installed with a first gear 30, the outer side of the upper end of the feeding pipe 23 is provided with an empty slot, and the outer side wall of the feeding pipe 23 is fixedly connected with a fifth bearing seat at the position of the empty slot, the fifth bearing seat is rotatably installed with a gear shaft 31 through a fifth bearing, the gear shaft 31 is fixedly installed with a second gear 32, the second gear 32 is arranged in meshing with the first gear 30, and the second gear 32 is arranged in meshing with the ring gear 20, when the driving motor operates, the feeding rotating shaft 24 and the feeding blade 25 are driven to move through the ring gear 20, the second gear 32 and the first gear 30, when the feeding blade 25 moves, the material in the feeding pipe 23 moves from top to bottom, the auxiliary feeding structure 21 is synchronously driven through the driving structure of the lime mixing tank 2, so that the driving mode of the auxiliary feeding structure 21 is effectively optimized, so that multiple driving structures are avoided to drive, and thus the staff can conveniently carry out daily maintenance.
[0053] Embodiment three
[0054] On the basis of embodiment two, the upper end of the feeding pipe 23 is integrally formed with a receiving hopper 33, the lower end of the receiving hopper 33 is arranged in a staggered manner with the projection of the first gear 30 on the horizontal plane, the receiving hopper 33 is arranged in a whole skew manner, the upper end of the receiving hopper 33 corresponds to the end of the powder conveyor 12, the end of the powder conveyor 12 is provided with an infrared sensor, when the receiving hopper 33 moves to the position directly below the end of the powder conveyor 12, the powder conveyor 12 discharges, when the end of the powder conveyor 12 is staggered with the receiving hopper 33, the powder conveyor 12 stops discharging, so that the fly ash can be accurately discharged into the receiving hopper 33.
[0055] Embodiment four
[0056] On the basis of embodiment three, the inner side wall of the ring seat 18 is provided with a collision assembly, the collision assembly is composed of a reset spring 35 and a collision rod 36, the collision rod 36 is connected with the ring seat 18 through the reset spring 35, when the reset spring 35 is in a reset state, the collision rod 36 will interfere with the receiving hopper 33, when the reset spring 35 is bent, the collision rod 36 is squeezed to move past the side of the receiving hopper 33, through the continuous collision between the collision rod 36 and the receiving hopper 33, the receiving hopper 33 can continuously produce slight mechanical vibration, so that the fly ash in the receiving hopper 33 can flow more smoothly into the feeding pipe 23.
[0057] Embodiment five
[0058] On the basis of embodiment four, a viscose fiber sludge conditioning process is realized through the above-mentioned viscose fiber sludge conditioning equipment, and the viscose fiber sludge conditioning process comprises:
[0059] The viscose fiber production wastewater neutralization and treatment process, the viscose fiber production wastewater neutralization and treatment process, by the viscose fiber production wastewater is transported to the neutralization reaction pool in the neutralization treatment;
[0060] The sedimentation treatment process, the sedimentation treatment process, by the first sludge pump system, the wastewater after the neutralization treatment is transported to the sedimentation tank for sedimentation treatment;
[0061] The concentration treatment process, the concentration treatment process, by the second sludge pump system 5, the wastewater after the sedimentation treatment is transported to the pipeline mixer 6, and the polyacrylamide solution in the polyacrylamide feeding device is transported to the pipeline mixer 6 through the polyacrylamide feeding pipeline 7, mixed with the wastewater after the sedimentation treatment, and then the mixture is transported to the concentration tank 1 for concentration treatment, and the supernatant is discharged after treatment;
[0062] The lime mud treatment process, the lime mud treatment process, the concentrated sludge at the bottom of the concentration tank 1 is transported to the lime mud stirring tank 2 through the third sludge pump system 9, and the fly ash in the fly ash tank 3 is transported to the lime mud stirring tank 2 through the powder feeder 12, and the fly ash and the sludge are stirred and mixed by the stirring shaft 16;
[0063] The conditioning process, the conditioning process, by the fourth sludge pump system 13, the fly ash and sludge mixture is transported to the conditioning tank 4 for treatment;
[0064] The polyacrylamide solution in the concentration treatment process is cationic polyacrylamide, the concentration is 0.6%, and the ratio of sludge flow is 1:10;
[0065] In the lime mud treatment process, the concentration of sludge and fly ash conditioning ratio is 5:1.
[0066] Although the above describes the specific embodiments of the present application in order to enable those skilled in the art to understand the present application, the present application is not limited to the scope of the specific embodiments, and for those skilled in the art, all applications created by utilizing the concept of the present application are within the scope of the present application as long as various changes are within the spirit and scope of the present application defined and determined by the appended claims.
Claims
1. A viscose fiber sludge conditioning device, characterized by: The viscose fiber sludge conditioning equipment comprises: Neutralization reaction tank, where the viscose fiber production wastewater to be treated undergoes reaction treatment; Sedimentation tank, the sludge in the neutralization reaction tank is transported to the sedimentation tank through a primary sludge pump system; A concentration tank (1), wherein the sedimentation tank is connected to the primary feed port of the pipeline mixer (6) via a secondary sludge pump system (5), the secondary feed port of the pipeline mixer (6) is connected to the polyacrylamide feeding device via a polyacrylamide feeding pipeline (7), and the discharge port of the pipeline mixer (6) is connected to the concentration tank (1) via a secondary pipeline (8); A mud mixing tank (2), wherein the thickening tank (1) is connected to the mud mixing tank (2) via a three-stage sludge pump system (9); A fly ash tank (3), wherein the end of the powder conveyor (12) on the fly ash tank (3) is located directly above the opening of the mud ash mixing tank (2); A conditioning tank (4), wherein the mud-lime mixing tank (2) is connected to the conditioning tank (4) via a four-stage sludge pump system (13), and a five-stage sludge pump system (14) is connected to the side wall of the bottom of the conditioning tank (4); The mud mixing tank (2) comprises: A stirring tank body (15), wherein an annular seat (18) is fixedly mounted on the upper end of the inner side wall of the stirring tank body (15), a secondary bearing seat is connected to the inner side wall of the annular seat (18) via a secondary connecting rod (19), and a secondary sealed bearing is fixedly mounted on the secondary bearing seat; A stirring shaft (16), wherein the stirring shaft (16) is rotatably mounted on the stirring tank body (15) via a primary sealed bearing and a secondary sealed bearing; A stirring blade (17), wherein the stirring blade (17) is fixedly connected to the side wall of the stirring shaft (16); An auxiliary feeding structure (21) is connected to the side wall of the stirring shaft (16) via a connecting shaft (22), and the stirring blades (17) and the auxiliary feeding structure (21) are staggered. A ring gear (20) is fixedly connected to the lower side of the annular seat (18), and the auxiliary feeding structure (21) is composed of a feeding pipe (23), a feeding rotating shaft (24), and a feeding blade (25). The feeding blade (25) is arranged on the outer side wall of the feeding shaft (24), and the feeding blade (25) is a spiral blade structure.
2. The viscose fiber sludge conditioning equipment according to claim 1, characterized in that: A support leg structure (34) is provided at the bottom of the stirring tank body (15), a primary sealed bearing is fixedly installed in the center hole of the bottom of the stirring tank body (15), the lower end of the stirring shaft (16) is connected to the driving motor below the stirring tank body (15) through a coupling, and the driving motor is fixed to the support leg structure (34) through a motor bracket.
3. The viscose fiber sludge conditioning equipment according to claim 2, characterized in that: The stirring blades (17) and the auxiliary feeding structure (21) are arranged in three equal circles.
4. The viscose fiber sludge conditioning equipment according to claim 3, characterized in that: The feeding pipe (23) is a circular tube structure, and the feeding pipe (23) is connected to the side wall of the stirring shaft (16) through a connecting shaft (22). The inner cavity of the feeding pipe (23) is connected to a three-stage bearing seat through a three-stage connecting rod (26) at the upper end, and a three-stage sealed bearing is installed on the three-stage bearing seat. The inner cavity of the feeding pipe (23) is connected to a four-stage bearing seat (28) through a four-stage connecting rod (27) at the lower end, and a four-stage sealed bearing (29) is installed on the four-stage bearing seat (28). The feeding shaft (24) is rotatably arranged in the inner cavity of the feeding pipe (23) through the three-stage sealed bearing and the four-stage bearing seat (28).
5. The viscose fiber sludge conditioning equipment according to claim 4, characterized in that: A first-stage gear (30) is fixedly mounted on the upper end of the feeding shaft (24); an air-avoidance groove is provided on the outer side of the upper side end of the feeding pipe (23); and a five-stage bearing seat is fixedly connected to the outer wall of the feeding pipe (23) at the position of the air-avoidance groove. A gear shaft (31) is rotatably mounted on the five-stage bearing seat via a five-stage bearing, and a second-stage gear (32) is fixedly mounted on the gear shaft (31). The second-stage gear (32) is meshed with the first-stage gear (30), and the second-stage gear (32) is meshed with the ring gear (20).
6. The viscose fiber sludge conditioning equipment according to claim 5, characterized in that: When the driving motor is in operation, the feeding shaft (24) and the feeding blade (25) are driven to move via the ring gear (20), the secondary gear (32) and the primary gear (30). When the feeding blade (25) moves, the material in the feeding pipe (23) moves from top to bottom.
7. The viscose fiber sludge conditioning equipment according to claim 6, characterized in that: A receiving hopper (33) is integrally formed at the upper end of the feeding pipe (23), a lower end opening of the receiving hopper (33) and a projection of the first gear (30) on a horizontal plane are offset, and the receiving hopper (33) is arranged as a whole at an angle, and an upper end opening of the receiving hopper (33) corresponds to the end of the powder conveyor (12).
8. The viscose fiber sludge conditioning equipment according to claim 7, characterized in that: An infrared sensor is provided at the end of the powder conveyor (12), and when the receiving hopper (33) runs to the position directly below the end of the powder conveyor (12), the powder conveyor (12) discharges the material, and when the end of the powder conveyor (12) is offset from the receiving hopper (33), the powder conveyor (12) stops discharging the material.
9. The viscose fiber sludge conditioning equipment according to claim 8, characterized in that: A collision assembly is provided on the inner side wall of the annular seat (18), and the collision assembly is composed of a reset spring (35) and a collision rod (36). The collision rod (36) is connected to the annular seat (18) through the reset spring (35). When the reset spring (35) is in a reset state, interference occurs between the collision rod (36) and the receiving hopper (33). When the reset spring (35) is bent, the collision rod (36) squeezes and moves past the side of the receiving hopper (33).
10. A viscose fiber sludge conditioning process, characterized by: The viscose fiber sludge conditioning process is implemented by the viscose fiber sludge conditioning device according to any one of claims 1 to 9, and the viscose fiber sludge conditioning process comprises: A neutralization treatment process for viscose fiber production wastewater, wherein the viscose fiber production wastewater is transported to a neutralization reaction tank for neutralization treatment; Sedimentation treatment process, in which the neutralized wastewater is transported to the sedimentation tank through the primary sludge pump system for sedimentation treatment; A concentration treatment process, in which the wastewater after sedimentation treatment is transported to the pipeline mixer (6) through the secondary sludge pump system (5), and the polyacrylamide solution in the polyacrylamide feeding device is transported to the pipeline mixer (6) through the polyacrylamide feeding pipeline (7) to be mixed with the wastewater after sedimentation treatment, and then the mixture is transported to the concentration tank (1) for concentration treatment, and the supernatant is discharged after treatment; A mud-ash treatment process, wherein the concentrated sludge at the bottom of the thickening tank (1) is transported to the mud-ash mixing tank (2) through a three-stage sludge pump system (9), and the fly ash in the fly ash tank (3) is transported to the mud-ash mixing tank (2) through a powder conveyor (12), and the fly ash and sludge are stirred and mixed through a stirring shaft (16); A conditioning process, wherein the fly ash and sludge mixture is transported to a conditioning tank (4) through a four-stage sludge pump system (13) for treatment; The polyacrylamide solution in the concentration treatment process is cationic polyacrylamide with a concentration of 0.1% to 2% and a ratio of 1:5 to 1:50 to the sludge flow rate; During the sludge ash treatment process, the ratio of the concentrated sludge to fly ash is 1:1 to 10:1.
Citation Information
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