Environment-friendly split type continuous spinning machine

Abstract

The utility model discloses an environment-friendly split type continuous spinning machine, belongs to the technical field of continuous spinning equipment, and relates to a continuous spinning comprehensive efficiency improving technology. Comprising a viscose acid bath area, a reaction area and a drying area, the viscose acid bath area comprises a metering pump, a filter and a viscose hose, the reaction area comprises a reaction cabin, a forming pipe and at least two spinning rollers, the drying area comprises a godet and a drying roller, the godet is located on the rear side of the station of the spinning rollers, and the drying roller is located on the rear side of the station of the godet; the spinning rollers located in the reaction area and the drying rollers located in the drying area are arranged in a staggered mode, the outer side of the reaction area is sleeved with a sealing bin I, and the sealing bin I is connected with a waste gas exhaust pipe I; the outer side of the drying area is sleeved with a sealing bin II, and the sealing bin II is connected with a waste gas discharging pipe II; a through hole used for continuous conveying of the filaments is formed between the sealing bin I and the sealing bin II. The waste gas formed in the continuous spinning process is precisely separated, so that the process requirements of environmental protection and energy conservation are met.

Description

Technical Field

[0001] The utility model relates to an environment-friendly split continuous spinning machine, which is suitable for the continuous spinning machine of viscose filaments, is a technology for improving the comprehensive efficiency of continuous spinning, and belongs to the technical field of continuous spinning equipment. Background Art

[0002] Spinning machines in the viscose filament industry are divided into semi-continuous spinning machines (such as R535A model, etc.) and continuous spinning machines (such as KR / HD340 model) according to the degree of product completion. Among them, the semi-continuous spinning machine represented by the R535A model is matched with a centrifugal tank to produce twisted silk cakes, which are then formed into products through pressure washing, dehydration, drying, and barreling processes; the continuous spinning machine represented by the KR / HD340 model completes the processes of silk strip solidification, washing, oiling, barreling, etc. to form products.

[0003] The continuous spinning machine is equipped with a processing roller, which integrates the continuous spinning reaction zone (including molding, rinsing and oiling) and the drying zone. Driven by the large and small rollers, the tow passes through the two zones in turn, thereby completing the four processes of solidification molding, rinsing, oiling and drying. Among them, in the solidification molding process, rinsing process and oiling process, the waste gas formed mainly includes hydrogen sulfide and carbon dioxide, which requires a small air volume to form a high-concentration waste gas, which is conducive to the subsequent process treatment; in the drying process, water vapor is mainly formed, which requires a large air volume to be discharged. The amount of waste gas of hydrogen sulfide and carbon disulfide generated is small, and can be discharged with a large air volume.

[0004] At present, since the closed area where the processing roller is located contains the reaction area and the drying area, it is difficult to separate and fully seal the reaction area and the drying area of ​​the equipment; as a result, most of the waste gas generated in the reaction area (such as hydrogen sulfide and carbon disulfide) cannot form high-concentration waste gas. After the waste gas is diffused and mixed with the low-concentration waste gas in the drying area, the existing equipment cannot accurately separate and discharge the waste gas due to the large air volume and low concentration, which leads to great difficulty in environmental post-processing (such as large air volume, low concentration, requiring more processing equipment, large investment, low efficiency, and high operating costs). In addition, the existing spinning machine needs to exhaust the waste gas with a large air volume to meet the normal process requirements, which leads to increased power consumption and does not meet the requirements of energy saving and environmental protection.

[0005] The prior art CN2294967 discloses a "continuous viscose filament spinning machine". Although it discloses a "fully enclosed structure to reduce the overflow of harmful gases and facilitate the enrichment of harmful gases", it does not effectively solve the characteristics of the amount of waste gas generated at different points and conduct a zoned emission design, which leads to problems such as difficulty in environmental post-treatment, high energy consumption, and high requirements for subsequent waste gas treatment. Summary of the invention

[0006] In order to overcome the shortcomings of the prior art, the utility model proposes an environmentally friendly split continuous spinning machine. In this technical solution, by separating the reaction zone and the drying zone in the continuous spinning machine, the waste gas generated in the continuous spinning process can be accurately separated, that is, the waste gas with small air volume and high concentration generated in the reaction zone is collected and transported for post-processing; the waste gas with large air volume and low concentration in the drying zone is collected, which can directly achieve standard discharge, thereby meeting the process requirements of environmental protection and energy saving.

[0007] In order to achieve the above technical objectives, the following technical solutions are proposed:

[0008] An environmentally friendly split continuous spinning machine comprises a viscose acid bath area, a reaction area and a drying area, wherein the reaction area comprises a reaction chamber, a forming tube and at least two spinning rollers, and the drying area comprises a guide roller and a drying roller, wherein the guide roller is located at the rear side of the spinning roller station, and the drying roller is located at the rear side of the guide roller station, and a continuous passage for forming, reacting, washing and drying of filaments is formed between the reaction chamber, the forming tube, the spinning roller, the guide roller and the drying roller, and the machine is characterized in that the spinning roller located in the reaction area and the drying roller located in the drying area are staggered, a sealing chamber I is provided on the outer side of the reaction area, and the sealing chamber I is connected to an exhaust gas discharge pipe I; a sealing chamber II is provided on the outer side of the drying area, and the sealing chamber II is connected to an exhaust gas discharge pipe II;

[0009] A through hole for continuous conveying of silk strips is arranged between the sealing chamber I and the sealing chamber II.

[0010] Furthermore, a water receiving tray is provided in the sealing chamber I, the water receiving tray is located below the spinning roller, and the water receiving tray is connected to a drainage pipe.

[0011] Furthermore, the drying roller is arranged directly below the spinning roller, and the tail end of the thread strip on the spinning roller is connected to the head end of the thread strip on the drying roller. Here, it specifically means that the tail end of the thread strip on the spinning roller is located directly above the head end of the thread strip on the drying roller, so that the thread strip in the reaction zone enters the drying zone vertically. The linear speed of the spinning roller is consistent with that of the drying roller, ensuring the stable operation of the thread strip.

[0012] Furthermore, the drying roller is arranged obliquely below the spinning roller, and the tail end of the thread strip on the spinning roller is connected to the head end of the thread strip on the drying roller. Here, it specifically means that the tail end of the thread strip on the spinning roller is located in the oblique upward direction of the head end of the thread strip on the drying roller, so that the thread strip in the reaction zone enters the drying zone at an inclination. The linear speed of the spinning roller is consistent with that of the drying roller, ensuring the stable operation of the thread strip.

[0013] Furthermore, the reaction chamber is vertically or obliquely arranged relative to the horizontal plane, and the forming tube is vertically arranged relative to the horizontal plane. The cooperation between the reaction chamber and the forming tube enables the formed filaments to enter the spinning roller vertically in the horizontal direction. The reaction chamber is airtightly arranged, which can match higher pressure, increase the acid bath flow rate, reduce the resistance of the acid bath to the filaments, and improve the spinning speed and filament quality indicators.

[0014] Furthermore, a fan is provided on the exhaust gas discharge pipe I.

[0015] Furthermore, a fan is provided on the exhaust gas discharge pipe II.

[0016] Furthermore, a suction air duct is sleeved on the through hole.

[0017] Furthermore, the inner diameter of the through hole is larger than the diameter of the wire.

[0018] In addition, a winding machine is arranged at the rear side of the drying roller station, and a guide wire wheel is arranged between the drying roller and the winding machine.

[0019] The positional relationships involved in this technical solution, such as "inside", "offset", "below", "between", "directly below", "obliquely below", "horizontal plane", and "above", are defined according to the situations under actual usage conditions. They are conventional terms in this technical field and are also conventional terms used by technical personnel in this field in actual use.

[0020] The beneficial technical effects brought about by adopting this technical solution are:

[0021] In the utility model, the spinning rollers in the reaction zone and the drying rollers in the drying zone are staggered, and a sealing chamber I is provided on the outer side of the reaction zone, and the sealing chamber I is connected to the exhaust gas discharge pipe I; a sealing chamber II is provided on the outer side of the drying zone, and the sealing chamber II is connected to the exhaust gas discharge pipe II; a through hole for continuous conveying of the silk strips is provided between the sealing chambers I and II, that is, while ensuring the continuity of spinning, the high-concentration exhaust gas zone and the low-concentration exhaust gas zone are separated, and the high-concentration exhaust gas is collected and conveyed in a centralized sealed manner, which is beneficial to the economy of subsequent treatment of the exhaust gas and meets environmental protection requirements; and the exhaust gas concentration in the drying zone is extremely low, and the exhaust gas can be directly discharged up to standard, thereby meeting the process requirements of environmental protection and energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the arrangement between the spinning roller and the drying roller in the utility model (I);

[0024] Figure 3 It is a schematic diagram of the arrangement between the spinning roller and the drying roller in the utility model (II);

[0025] Figure 4 It is a schematic diagram of the arrangement between the spinning roller and the drying roller in the utility model (III);

[0026] Figure 5 It is a schematic diagram of the arrangement between the spinning roller and the drying roller in the utility model (IV);

[0027] Figure 6 It is a schematic diagram of the arrangement between the spinning roller and the drying roller in the utility model (V);

[0028] In the figure, 1. metering pump, 2. filter, 3. viscose hose, 4. reaction chamber, 5. forming tube, 6. spinning roller, 7. drying roller, 8. sealing chamber I, 9. exhaust gas discharge pipe I, 10. sealing chamber II, 11. exhaust gas discharge pipe II, 12. through hole, 13. water receiving tray, 14. drain pipe, 15. guide wheel, 16. winding machine. DETAILED DESCRIPTION

[0029] The following is a clear and complete description of the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Example 1

[0031] An environmentally friendly split continuous spinning machine, such as Figure 1 As shown, it includes a viscose acid bath area, a reaction area and a drying area, the reaction area includes a reaction chamber 4, a forming tube 5 and at least two spinning rollers 6, the drying area includes a guide roller and a drying roller 7, the guide roller is located at the rear side of the spinning roller 6, and the drying roller 7 is located at the rear side of the guide roller. A continuous passage for filament forming, reaction, washing and drying is formed between the reaction chamber 4, the forming tube 5, the spinning roller 6, the guide roller and the drying roller 7, which is characterized in that the spinning roller 6 located in the reaction zone and the drying roller 7 located in the drying zone are staggered, a sealing chamber I8 is provided on the outside of the reaction zone, and the sealing chamber I8 is connected to an exhaust gas discharge pipe I9; a sealing chamber II 10 is provided on the outside of the drying zone, and the sealing chamber II 10 is connected to an exhaust gas discharge pipe II 11; a through hole 12 (such as Figure 2 ).

[0032] Among them, the waste gas formed in the reaction zone mainly includes carbon disulfide (>1500mg / m³) and hydrogen sulfide (>200mg / m³), which are collected in the sealed warehouse Ⅰ8 and discharged through the waste gas discharge pipe Ⅰ9. The exhaust volume of a single ingot is about 10m³ / h;

[0033] In the drying area, the waste gas formed mainly includes water vapor (among which the harmful substances such as carbon disulfide <8mg / m³ and hydrogen sulfide <0.5mg / m³ can be directly discharged to the outside, meeting environmental protection requirements and reducing the subsequent centralized waste gas treatment process). After being collected in the sealed warehouse Ⅱ10, it is discharged through the waste gas discharge pipe Ⅱ11. The exhaust volume of a single ingot is about 50 m³ / h.

[0034] In addition, a winding machine 16 is provided at the rear side of the station of the drying roller 7 , and a guide wire wheel 15 is provided between the drying roller 7 and the winding machine 16 .

[0035] Example 2

[0036] On the basis of Example 1, this example further defines the sealing chamber I8 and the sealing chamber II10 in the continuous spinning machine to further illustrate the technical solution.

[0037] A water receiving tray 13 is provided in the sealed chamber Ⅰ8, and the water receiving tray 13 is located below the spinning roller 6. The water receiving tray 13 is connected to a drain pipe 14 to discharge the corresponding washing water in the sealed chamber Ⅰ8 out of the machine.

[0038] Example 3

[0039] On the basis of Examples 1-2, this example further defines the spinning roller 6 and the drying roller 7 in the continuous spinning machine to further illustrate the technical solution.

[0040] like Figure 3-4 The drying roller 7 is arranged directly below the spinning roller 6, and the tail end of the filament path on the spinning roller 6 is connected to the head end of the filament path on the drying roller 7. Here, it specifically means that the tail end of the filament path on the spinning roller 6 is located directly above the head end of the filament path on the drying roller 7, so that the filaments in the reaction zone enter the drying zone vertically.

[0041] Or, if Figure 5-6 The drying roller 7 is arranged obliquely below the spinning roller 6, and the tail end of the filament path on the spinning roller 6 is connected to the head end of the filament path on the drying roller 7. Here, it specifically means: the tail end of the filament path on the spinning roller 6 is located in the oblique upward direction of the head end of the filament path on the drying roller 7, so that the filaments in the reaction zone enter the drying zone at an inclination.

[0042] Example 4

[0043] On the basis of Examples 1-3, this example further limits the exhaust gas emissions generated in the continuous spinning machine to further illustrate the technical solution.

[0044] A fan is provided on the exhaust gas discharge pipe Ⅰ9, which controls the fan to discharge a small amount of air while ensuring that the corresponding area of ​​the machine is at a slightly negative pressure;

[0045] A fan is provided on the exhaust gas discharge pipe Ⅱ11 to discharge the drying water vapor.

[0046] Example 5

[0047] On the basis of Examples 1-4, this example further defines the through hole 12 for conveying the filaments in the continuous spinning machine to further illustrate the technical solution.

[0048] A suction duct is provided at the through hole 12 to prevent excessive air flow between the sealed chamber Ⅰ8 and the sealed chamber Ⅱ 10, thereby affecting the exhaust effect of each chamber.

[0049] Furthermore, the inner diameter of the through hole 12 is larger than the diameter of the wire, and the through hole 12 is a passage for the wire, and the opening is small, but the wire will not be rubbed or hung.

[0050] Example 6

[0051] On the basis of Examples 1-5, this example further defines the reaction chamber 4 and the forming tube 5 in the reaction zone to further illustrate the technical solution.

[0052] The reaction chamber 4 is vertically or inclined relative to the horizontal plane, and the forming tube 5 is vertically arranged relative to the horizontal plane. The cooperation between the reaction chamber 4 and the forming tube 5 enables the formed filaments to enter the spinning roller 6 vertically in the horizontal direction. Among them, the reaction chamber 4 is airtightly arranged, which can match higher pressure, increase the acid bath flow rate, reduce the resistance of the acid bath to the filaments, and improve the spinning speed and filament quality indicators. In addition, the spinning speed involved can reach more than 200 m / min.

[0053] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. An environmentally friendly split continuous spinning machine, comprising a viscose acid bath area, a reaction area and a drying area, wherein the reaction area comprises a reaction chamber (4), a forming tube (5) and at least two spinning rollers (6), and the drying area comprises a guide roller and a drying roller (7), wherein the guide roller is located at the rear side of the station of the spinning roller (6), and the drying roller (7) is located at the rear side of the station of the guide roller, and a continuous passage for filament forming, reaction, washing and drying is formed between the reaction chamber (4), the forming tube (5), the spinning roller (6), the guide roller and the drying roller (7), wherein: The spinning roller (6) located in the reaction zone and the drying roller (7) located in the drying zone are arranged in a staggered manner. A sealing chamber I (8) is provided on the outer side of the reaction zone, and the sealing chamber I (8) is connected to an exhaust gas discharge pipe I (9); a sealing chamber II (10) is provided on the outer side of the drying zone, and the sealing chamber II (10) is connected to an exhaust gas discharge pipe II (11); A through hole (12) for continuous conveying of the silk strips is provided between the sealing chamber I (8) and the sealing chamber II (10).

2. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: A water receiving tray (13) is provided in the sealed chamber I (8), the water receiving tray (13) is located below the spinning roller (6), and the water receiving tray (13) is connected to a drainage pipe (14).

3. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: The drying roller (7) is arranged directly below the spinning roller (6), and the tail end of the thread strip path on the spinning roller (6) is connected to the head end of the thread strip path on the drying roller (7).

4. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: The drying roller (7) is arranged obliquely below the spinning roller (6), and the tail end of the thread strip path on the spinning roller (6) is connected to the head end of the thread strip path on the drying roller (7).

5. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: The reaction chamber (4) is arranged vertically or obliquely relative to the horizontal plane, and the forming tube (5) is arranged vertically relative to the horizontal plane.

6. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: The reaction chamber (4) is arranged to be airtight.

7. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: The exhaust gas discharge pipe I (9) is provided with a fan.

8. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: The exhaust gas discharge pipe II (11) is provided with a fan.

9. The environmentally friendly split continuous spinning machine according to claim 1, characterized in that: The through hole (12) is sleeved with a suction air duct.

10. The environmentally friendly split continuous spinning machine according to claim 1 or 9, characterized in that: The inner diameter of the through hole (12) is greater than the diameter of the wire strip.

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