Flushing machine and cleaning system of spinneret plate

Abstract

The embodiment of the utility model relates to the technical field of cleaning of spinneret plates, and provides a flushing machine and a cleaning system of a spinneret plate. The flushing machine comprises a spinneret plate fixing mechanism, a high-pressure nozzle and a nozzle displacement control mechanism, the spinneret plate fixing mechanism is used for fixing a spinneret plate, the high-pressure spray head is located above the spinneret plate fixing mechanism and used for spraying high-pressure flushing water to the spinneret plate, and the spray head displacement control mechanism is connected with the high-pressure spray head and used for controlling the high-pressure spray head to move so that the high-pressure spray head can fully flush the spinneret plate. The cleaning system provided by the embodiment of the utility model comprises the high-temperature hydrolysis device and the flushing machine which is positioned on the upstream of the high-temperature hydrolysis device. After the spinneret plate is flushed by the flushing machine provided by the utility model, polymers on the surface of the spinneret plate can be effectively removed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cleaning technical field of spinneret, specifically, relate to a kind of flushing machine and cleaning system of spinneret. BACKGROUND

[0002] Spinneret is an important component of spinning equipment, and in the spinning process, the high polymer in viscous flow state is changed into a specific cross-section of fine stream through spinning assembly and spinneret, and then solidified into a filament after condensation. After spinning, the spinneret orifice on the spinneret is filled with spinning raw materials, so the spinneret orifice needs to be cleaned before it can be reused.

[0003] Special polymers are difficult to separate from the spinneret, and the spinneret orifice used for spinning special polymers is small, making it difficult to clean. The existing spinneret cleaning method cannot clean the spinneret orifice used for special polymers, making it difficult to reuse the spinneret orifice in actual spinning production. SUMMARY

[0004] The utility model aims to provide a kind of flushing machine and cleaning system of spinneret, to improve at least one problem mentioned in the background art.

[0005] Embodiments of the utility model can be implemented as follows:

[0006] In a first aspect, the utility model embodiments provide a flushing machine for spinneret, comprising a spinneret fixing mechanism, a high-pressure spray head and a spray head displacement control mechanism.

[0007] The spinneret fixing mechanism is used to fix the spinneret, the high-pressure spray head is located above the spinneret fixing mechanism for spraying high-pressure washing water to the spinneret, and the spray head displacement control mechanism is connected with the high-pressure spray head for controlling the movement of the high-pressure spray head to enable the high-pressure spray head to fully wash the spinneret.

[0008] In an optional embodiment, the flushing machine further comprises a rack, and the spinneret fixing mechanism, the high-pressure spray head and the spray head displacement control mechanism are all arranged on the rack.

[0009] In an optional embodiment, the number of high-pressure spray heads is multiple, and the multiple high-pressure spray heads are arranged side by side as a spray head group.

[0010] The spray head displacement control mechanism comprises a track, a moving trolley and a mechanical arm, the track is arranged on the rack, the moving trolley is arranged on the track, one end of the mechanical arm is connected to the moving trolley, and the other end is connected to the spray head group.

[0011] In an optional embodiment, the flushing machine for spinneret further comprises an operation table and a drain pipe, the operation table is arranged on the rack, the spinneret fixing mechanism is arranged on the operation table, a drain hole is formed in the operation table, and the drain hole is connected with the drain pipe.

[0012] In an optional embodiment, the flushing machine further comprises a water pump and a water delivery pipe, an output end of the water delivery pipe being connected with the high-pressure spray head, and the water pump being arranged on the water delivery pipe.

[0013] In an optional embodiment, the spinneret fixing mechanism comprises at least one spinneret fixing unit, each spinneret fixing unit comprising two oppositely arranged limiters, a distance between the two oppositely arranged limiters being adjustable.

[0014] In an optional embodiment, the spinneret fixing mechanism comprises a sliding rail and a number of bolts corresponding to the number of limiters, each limiter being sleeved on the sliding rail, a side wall of each limiter being provided with a threaded hole, and the position of the corresponding limiter being fixed by screwing one bolt into the threaded hole and abutting against the sliding rail.

[0015] In a second aspect, the utility model provides a kind of spinneret cleaning system, including high temperature hydrolysis device and the flushing machine of the utility model embodiment provided in high temperature hydrolysis device upstream.

[0016] In an optional embodiment, the high-temperature hydrolysis device comprises a heating furnace, a waste collection tank, a steam spray washing tower, a waste gas treatment system, and a hot steam generation system.

[0017] The waste collection tank is located below the heating furnace and is in communication with the heating furnace. The heating furnace is provided with a steam distribution pipeline. The steam generation system is in communication with the steam distribution pipeline. The heating furnace is in communication with the steam spray washing tower and the waste gas treatment system.

[0018] In an optional embodiment, the heating furnace comprises a furnace body, a storage rack and a furnace door. The storage rack is used to place the spinneret after spray flushing. The storage rack is connected with the furnace door. The furnace body has an inlet communicating with its hearth. The furnace door is used to open or close the inlet.

[0019] The steam generation system comprises a steam input pipeline. A steam generator, a steam-water separator and a steam heater are sequentially arranged on the steam input pipeline. The steam heater is in communication with the steam distribution pipeline.

[0020] The waste gas treatment system comprises a waste gas discharge pipeline, a spray tank and a vacuum pump. The vacuum pump is in communication with the hearth of the furnace body through the waste gas discharge pipeline. A catalyst inlet pipe, a heater, at least one catalytic temperature sensor and the spray tank are sequentially arranged on the waste gas discharge pipeline. The catalyst inlet pipe is provided with a catalyst control valve.

[0021] The flushing machine for the spinneret and the cleaning system provided in the embodiments of the utility model have the following beneficial effects:

[0022] The utility model provides a flushing machine, use the spinneret fixed on the spinneret fixed mechanism, start high pressure shower nozzle and shower nozzle displacement control mechanism, high pressure shower nozzle sprays high pressure water to the spinneret and carries out the flushing, in the process of high pressure shower nozzle sprays high pressure water, through the control high pressure shower nozzle displacement control mechanism moves, makes the spinneret surface all can be washed to, to remove the polymer on the spinneret surface fully.

[0023] The spinneret is first washed by the flushing machine provided by the utility model and then subjected to high-temperature hydrolysis treatment, so that the polymer loaded thereon can be more fully removed. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 The structure schematic view of the flushing machine of the spinneret provided for the embodiment;

[0026] Figure 2 The structure schematic view of the spinneret fixing mechanism;

[0027] Figure 3 The structure schematic view of the high-temperature hydrolysis device.

[0028] Figure: 1 - frame; 1a - operation platform; 2 - high pressure shower nozzle; 2a - water delivery pipe; 3 - mechanical arm; 4 - track; 5 - spinneret fixing mechanism; 5a - limiting piece; 5b - protrusion; 5c - slide rail; 5d - bolt; 6 - water pump; 7 - drain pipe; 8 - furnace door; 9 - sealing ring; 10 - storage rack; 11 - furnace body; 12 - hearth; 13 - steam distribution pipeline; 14 - safety valve; 15 - vacuum air inlet valve; 16 - steam spray washing tower; 17 - flowmeter; 18 - spray valve; 19 - first pressure gauge; 20 - catalyst inlet pipe; 20a - catalytic control valve; 21 - heater; 22 - catalytic temperature sensor; 23 - steam generator; 24 - second pressure gauge; 25 - steam-water separator; 26 - self-operated regulating valve; 27 - spray tank; 28 - exhaust electromagnetic valve; 29 - vacuum pump; 30 - drain valve; 31 - steam inlet valve; 32 - steam flowmeter; 33 - steam pressure gauge; 34 - waste gas valve; 35 - waste collection tank; 36 - steam temperature sensor; 37 - steam heater; 38 - motor; 39 - heating furnace support; 40 - spray liquid inlet pipe; 100 - spinneret. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model below. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0031] It should be noted that: similar signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] In the description of the utility model, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the utility model product is used, only for the convenience of describing the utility model and simplifying the description, and it does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0033] In addition, if the terms "first", "second" and the like are used only for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0034] It should be noted that the features in the embodiments of the utility model can be combined with each other without conflict.

[0035] As Figure 1 shown, the utility model embodiments provide a kind of flusher of spinneret, it includes spinneret fixed mechanism 5, high-pressure spray head 2 and spray head displacement control mechanism;

[0036] Spinneret fixed mechanism 5 is used to fix spinneret, high-pressure spray head 2 is located in the upper of spinneret fixed mechanism 5 for to spinneret spray high-pressure flush water, spray head displacement control mechanism is connected with high-pressure spray head 2, for control high-pressure spray head 2 moves to make high-pressure spray head 2 can be fully flushed to spinneret.

[0037] The flushing machine provided by the utility model, when in use, fixes the spinneret plate on the spinneret plate fixing mechanism 5, starts the high-pressure nozzle 2 and the nozzle displacement control mechanism, the high-pressure nozzle 2 sprays high-pressure water to flush the spinneret plate, and in the process of spraying high-pressure water by the high-pressure nozzle 2, the high-pressure nozzle 2 is controlled to move through the nozzle displacement control mechanism, so that the surface of the spinneret plate can be flushed, thereby fully removing the polymer on the surface of the spinneret plate.

[0038] Preferably, in order to ensure that the spinneret plate is fully cleaned, the pressure of the high-pressure water sprayed by the high-pressure nozzle 2 is 2200bar.

[0039] Optionally, the flushing machine of the spinneret plate further comprises a rack 1, and the spinneret plate fixing mechanism 5, the high-pressure nozzle 2 and the nozzle displacement control mechanism are all arranged on the rack 1.

[0040] Optionally, the number of the high-pressure nozzles 2 is multiple, and the multiple high-pressure nozzles 2 are arranged side by side to form a nozzle group.

[0041] The nozzle displacement control mechanism comprises relatively arranged tracks 4, a moving trolley and a mechanical arm 3, the moving trolley is arranged on the tracks 4, one end of the mechanical arm 3 is connected to the moving trolley, and the other end is connected to the nozzle group.

[0042] When working, the high-pressure nozzle 2 is started, the moving trolley moves along one end of the tracks 4 to the other end, and the cleaning of the spinneret plate is completed.

[0043] It should be noted that the number of the high-pressure nozzles 2 and the specific structure of the nozzle displacement control mechanism are only one embodiment of the utility model.

[0044] It should be noted that the way of moving the high-pressure nozzle 2 is not only the moving trolley mentioned above, but also a lead screw instead of the slide rail 5c, and the nozzle is controlled to move through the lead screw transmission; or a chain instead of the slide rail 5c, and the nozzle is controlled to move through the chain transmission.

[0045] Further, the rinsing machine of the spinneret further comprises an operation table 1a and a drain pipe 7, the operation table 1a is arranged on the frame 1, the spinneret fixing mechanism 5 is arranged on the operation table 1a, and the operation table 1a is provided with a drain hole connected with the drain pipe 7.

[0046] The arrangement of the operation table 1a and the drain pipe 7 can collect the rinsing water and facilitate subsequent treatment.

[0047] Further, the rinsing machine further comprises a water pump 6 and a water conveying pipe 2a, the output end of the water conveying pipe 2a is connected with the high-pressure nozzle 2, and the water pump 6 is arranged on the water conveying pipe 2a.

[0048] Further, as shown in Figure 1 and Figure 2 , the spinneret fixing mechanism 5 comprises at least one spinneret fixing unit, each spinneret fixing unit comprises two oppositely arranged limiting pieces 5a, and the distance between the two oppositely arranged limiting pieces 5a is adjustable.

[0049] Further, the spinneret fixing mechanism 5 comprises a sliding rail 5c and a plurality of bolts 5d corresponding to the number of the limiting pieces 5a, each limiting piece 5a is sleeved on the sliding rail 5c, a screw hole is formed in the side wall of each limiting piece 5a, and the position of the corresponding limiting piece 5a is fixed by screwing one bolt 5d into the screw hole and abutting against the sliding rail 5c.

[0050] Preferably, the number of the spinneret fixing units is multiple, and the multiple spinneret fixing units can fix multiple spinnerets, so that the rinsing machine can clean multiple spinnerets at the same time.

[0051] Preferably, each limiting piece 5a is provided with a protrusion 5b for clamping one side of the spinneret, and in working, the spinneret is clamped by the two limiting pieces 5a and located above the protrusion 5b.

[0052] The utility model embodiment further provides a spinneret cleaning system comprising a high-temperature hydrolysis device and a rinsing machine located upstream of the high-temperature hydrolysis device.

[0053] After the spinneret is rinsed by the rinsing machine to remove the polymer on the surface, the spinneret is placed in the high-temperature hydrolysis device to further remove the polymer in the micro-holes of the spinneret, thereby achieving deep cleaning of the spinneret.

[0054] Further, as shown in Figure 3As shown, the high-temperature hydrolysis device comprises a heating furnace, a waste collection tank 35, a steam spray washing tower 16, a waste gas treatment system, and a hot steam generation system.

[0055] The waste collection tank 35 is located below and in communication with the heating furnace, the heating furnace is provided with a steam distribution pipeline 13, the steam generation system is in communication with the steam distribution pipeline 13, the heating furnace is in communication with the steam spray washing tower 16, and the heating furnace is in communication with the waste gas treatment system.

[0056] Specifically, the heating furnace comprises a furnace body 11, a shelf 10 for placing the spray-washed spinneret 100, and a furnace door 8, the shelf 10 is connected with the furnace door 8, the furnace body 11 has an inlet communicating with a hearth 12 thereof, the furnace door 8 is used to open or close the inlet, a sealing ring 9 is arranged on the furnace door 8 to realize sealing of the hearth 12 after the furnace door 8 is closed, a motor 38 is indirectly connected with the furnace door 8 through a screw rod and a gear transmission, and heating elements are arranged around the hearth 12 on the furnace body 11, and the heating elements are wrapped with a heat preservation layer.

[0057] The high-temperature hydrolysis device further comprises a heating furnace support 39, and the heating furnace is arranged on the heating furnace support 39.

[0058] The steam generation system comprises a steam input pipeline, and a steam generator 23, a steam-water separator 25, a self-operated regulating valve 26, a steam inlet valve 31, a steam flow meter 32, a steam pressure gauge 33, and a steam heater 37 are sequentially arranged on the steam input pipeline, and the steam heater 37 is in communication with the steam distribution pipeline 13. The steam heater 37 is located below the furnace body 11, and is also wrapped with a heat preservation layer, and a steam temperature sensor 36 is further arranged on the heat preservation layer wrapped on the steam heater 37. The steam-water separator 25 is provided with a second pressure gauge 24.

[0059] The heating furnace is further provided with an explosion-proof pipe in communication with the hearth 12, and a safety valve 14 and a vacuum air inlet valve 15 are sequentially arranged on the explosion-proof pipe.

[0060] The upper portion of the steam spray tower is connected with a water inlet pipe, and a flow meter 17, a spray valve 18, and a first pressure gauge 19 are arranged on the water inlet pipe, the top of the steam spray washing tower 16 is connected with an exhaust pipe, the bottom is connected with a drain pipe 7, and a drain valve 30 is arranged on the drain pipe 7.

[0061] The exhaust gas treatment system comprises an exhaust gas discharge pipeline, a spray tank 27 and a vacuum pump 29, the vacuum pump 29 is communicated with the furnace 12 through the exhaust gas discharge pipeline, the exhaust gas discharge pipeline is sequentially provided with an exhaust gas valve 34, a catalyst inlet pipe 20, a heater 21, at least one catalytic temperature sensor 22 and the spray tank 27, and the catalyst inlet pipe is provided with a catalyst control valve 20a. The bottom of the spray tank 27 is communicated with the vacuum pump 29, an exhaust electromagnetic valve 28 is arranged on the pipeline communicated with the two, and the vacuum pump 29 is connected with an exhaust pipe and a drain pipe 7. The upper part of the spray tank 27 is connected with a spray liquid inlet pipe 40.

[0062] S1, tilt the plurality of spinnerets 100 subjected to high-pressure flushing on the rack 10, the plate surface is inclined upward, use the motor 38 to push the furnace door 8 and the rack 10 into the furnace 12, and lock the furnace door 8.

[0063] S2, preheating stage: the heating element arranged around the furnace 12 heats the furnace 12, after the temperature in the furnace 12 reaches the set 320℃, start heat preservation, this stage makes the residual polymer attached to the spinneret melt and flow into the waste collection tank 35.

[0064] S3, high-temperature steam hydrolysis stage: the heating element continues to heat the furnace 12, and the furnace 12 continues to heat to 400℃. The external steam generator 23 generates 150℃ saturated steam, which is separated into dry steam after water separation by the steam-water separator 25, and then is heated to 420℃ or so by the steam heater 37 to become superheated steam, and then is sent into the steam distribution pipeline 13 in the furnace 12 through the steam channel, a plurality of steam injection small holes are uniformly distributed on the steam distribution pipeline 13, and high-temperature steam is injected onto the spinneret through the injection small holes. In the superheated steam environment, the residual polymer on the spinneret hydrolyzes to produce small-molecule low-viscosity polymer.

[0065] At this stage, the spray valve 18 is opened, and the steam spray tower sprays the steam entering the steam spray tower, so that the high-temperature steam is condensed into liquid.

[0066] S4, vacuum oxidation stage: the heating element around the furnace 12 heats the furnace 12, and the furnace 12 starts to gradually heat until 500℃, and the vacuum pump 29 is started at the same time, the furnace 12 is in a vacuum state, a small amount of undissolved polymer is cracked into CO or CO2 under the action of vacuum, and the waste after combustion directly enters the waste collection tank 35; when the furnace 12 heats to about 450℃, fresh air is introduced, so that the remaining polymer is fully oxidized and combusted; at this time, the exhaust gas treatment device in the steam mist post-treatment device is started, and the exhaust gas generated by the polymer combustion is sucked into the exhaust gas treatment system through the exhaust gas discharge pipeline under the action of negative pressure.

[0067] Specifically, due to the different kinds of polymer on the spinneret, the decomposition produces different waste gas. If the generated waste gas (such as carbon dioxide, sulfur dioxide, etc.) can be absorbed by spraying water or lye, the waste gas only needs to be sprayed for treatment and can be discharged; if the generated waste gas contains small molecular organic matter which is not completely oxidized, the waste gas can be fully oxidized by introducing a catalyst (such as CAT, manganese, zinc, etc.) into the catalyst inlet pipe 20, then heated by the heater 21 again, and finally treated by spraying.

[0068] S5, post-processing: after the vacuum oxidation stage is finished, the furnace starts to cool down, and after being cooled down to about 250 DEG C, the furnace door 8 is opened, and normal temperature cooling is performed.

[0069] The cooled spinneret is placed in an alkali water tank for alkali washing, and the alkali washing temperature is controlled at 60 DEG C.

[0070] The alkali washed spinneret 100 is placed in an ultrasonic cleaning machine for ultrasonic cleaning.

[0071] After the ultrasonic cleaning is completed, the spinneret 100 is blown dry by using compressed air, and the cleaning is completed.

[0072] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A spinneret washing machine characterized by comprising: The nozzle plate fixing mechanism, the high-pressure nozzle and the nozzle displacement control mechanism are provided. The nozzle plate fixing mechanism is used for fixing the nozzle plate, the high-pressure nozzle is arranged above the nozzle plate fixing mechanism and used for spraying high-pressure washing water to the nozzle plate, and the nozzle displacement control mechanism is connected with the high-pressure nozzle and used for controlling the movement of the high-pressure nozzle so that the high-pressure nozzle can sufficiently wash the nozzle plate.

2. The washing machine for a spinneret according to claim 1, wherein The washing machine further comprises a rack, and the nozzle plate fixing mechanism, the high-pressure nozzle and the nozzle displacement control mechanism are arranged on the rack.

3. The washing machine for a spinneret according to claim 2, wherein The high-pressure nozzle is in plurality, and the plurality of high-pressure nozzles are arranged in parallel to form a nozzle group. The nozzle displacement control mechanism comprises a track, a moving trolley and a mechanical arm.

4. The washing machine for a spinneret according to claim 2, wherein The washing machine further comprises an operation table and a drain pipe.

5. The washing machine for a spinneret according to claim 1, wherein The washing machine further comprises a water pump and a water delivery pipe.

6. The washing machine for a spinneret according to claim 1, wherein The nozzle plate fixing mechanism comprises at least one nozzle plate fixing unit, and each nozzle plate fixing unit comprises two oppositely arranged limiters.

7. The washing machine for spinneret according to claim 6, wherein The nozzle plate fixing mechanism comprises a slide rail and a plurality of bolts corresponding to the limiters.

8. A spinneret cleaning system characterized by, The high-temperature hydrolysis device comprises a heating furnace, a waste collection tank, a steam spraying washing tower, a waste gas treatment system and a hot steam generation system.

9. The spinneret cleaning system of claim 8, wherein, The waste collection tank is arranged below the heating furnace and communicates with the heating furnace. The heating furnace comprises a furnace body, a storage rack and a furnace door.

10. The spinneret cleaning system of claim 9, wherein, The steam generation system comprises a steam input pipeline. The steam input pipeline is sequentially provided with a steam generator, a steam-water separator and a steam heater. The waste gas treatment system comprises a waste gas exhaust pipe, a spray tank and a vacuum pump, the vacuum pump is communicated with a hearth of the furnace body through the waste gas exhaust pipe, a catalyst inlet pipe, a heater, at least one catalytic temperature sensor and the spray tank are sequentially arranged on the waste gas exhaust pipe, and a catalytic control valve is arranged on the catalyst inlet pipe.

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