A nitrocellulose uniformly heated boiling and washing device

Abstract

The present invention relates to the technical field of nitrocellulose boiling and washing, and specifically to a nitrocellulose uniformly heated boiling and washing device, comprising a boiling and washing tank, an outer wall of which is surrounded by a steam coil, a lifting cylinder is vertically installed in the center of the boiling and washing tank, a lifting auger is installed in the lifting cylinder, a stirring component is installed on the upper part of the inner shaft of the auger, a cotton net bag is also arranged in the boiling and washing tank, and a lifting ring frame is arranged on the upper part of the cotton net bag, a lifting rotating sleeve is fixed in the middle of the lifting ring frame, and the lifting rotating sleeve is sleeved on the outer wall of the upper end of the inner shaft of the auger, and the driving component comprises a driving box; the present invention is convenient for fully applying the steam heat by arranging the steam coil, and is convenient for lifting, tumbling and rotating and stirring the water body by the lifting cylinder, the lifting auger and the stirring component, which is beneficial to uniform heating of the water body, and the nitrocellulose located in the cotton net bag is driven to rotate by the cotton net bag, so that the boiling and washing operation is more convenient and efficient.

Description

Technical Field

[0001] The invention relates to the technical field of nitrocellulose boiling and washing, in particular to a nitrocellulose uniformly heated boiling and washing device. Background Art

[0002] Nitrocellulose, also known as nitrocellulose, is the product of the esterification reaction between cellulose and nitric acid. It is a white or slightly yellow cotton-like nitrate ester, similar to cotton. It is odorless, tasteless, resistant to water, dilute acid, weak alkali and various oils, insoluble in water, and is one of the most widely used cellulose esters. The boiling and washing process of nitrocellulose is a key process in the production process of nitrocellulose.

[0003] In this regard, China's patent application number: CN202321967752.6 discloses a nitrocellulose uniformly heated boiling and washing device, including a boiling and washing tank, an upper rotating pipe and a lower rotating pipe, the upper rotating pipe is vertically rotatably installed at the upper part of the boiling and washing tank, the lower rotating pipe is vertically rotatably installed at the lower part of the boiling and washing tank, the upper rotating pipe and the lower rotating pipe both penetrate to the outside of the boiling and washing tank, the sides of the upper rotating pipe and the lower rotating pipe are connected to conduits communicating with the inside thereof, and a plurality of copper pipes are vertically and uniformly connected between the upper rotating pipe and the lower rotating pipe through the conduits;

[0004] However, the existing boiling and washing device is not convenient for uniformly insulating and heating the steam pipe, and it is not convenient to circulate, lift, tumble and stir the water during boiling and washing, and it is not convenient to synchronously rotate the nitrocellulose for boiling and washing, which easily causes uneven heating of boiling and washing, affecting the operation efficiency;

[0005] Therefore, in order to solve the above problems, a nitrocellulose uniformly heated boiling and washing device is proposed. Summary of the invention

[0006] The object of the present invention is to provide a nitrocellulose uniformly heated boiling and washing device to solve the problem that the existing boiling and washing devices mentioned in the above background technology are inconvenient to uniformly insulate and heat the steam pipeline, and are inconvenient to circulate, lift, tumble and stir the water during boiling and washing, and are inconvenient to synchronously rotate the nitrocellulose during boiling and washing, which easily causes uneven heating during boiling and washing and affects the operation efficiency.

[0007] To achieve the above object, the present invention provides the following technical solutions: a uniformly heated nitrocellulose boiling and washing device, comprising a boiling and washing tank, the bottom of which is integrally provided with a drainage seat, and the bottom of which is plugged with a drainage plugging cap;

[0008] The outer wall of the boiling and washing tank is surrounded by a steam coil, and the steam coil is spirally wrapped from the left bottom of the boiling and washing tank to the upper right side of the boiling and washing tank. A lifting cylinder is vertically installed in the center of the boiling and washing tank, and a lifting auger is installed inside the lifting cylinder. The center of the lifting auger is integrally fixed with an auger inner shaft, and a stirring component is installed on the upper part of the auger inner shaft, and the stirring component is located between the outer wall of the lifting cylinder and the inner wall of the boiling and washing tank. A cotton net bag is also provided inside the boiling and washing tank, and the cotton net bag is located on the inner side of the stirring component, and the cotton net bag is placed. A lifting ring frame is installed on the upper part of the net bag, a lifting swivel is fixed in the middle of the lifting ring frame, and the lifting swivel is mounted on the outer wall of the upper end of the inner shaft of the auger, a driving assembly is arranged above the top of the boiling and washing tank, the driving assembly comprises a driving box, and a servo motor is installed on the side of the driving box, a supporting top plate is installed on the bottom of the driving box through mounting feet, the supporting top plate is fixed across the top of the front and rear outer walls of the boiling and washing tank, the inner shaft of the auger and the upper part of the lifting swivel are both inserted through the center of the supporting top plate and extend to be inserted into the interior of the driving box.

[0009] Preferably, a transmission bevel gear is provided on the inner side of the drive box, a transmission shaft is fixed inside the transmission bevel gear, the transmission shaft is assembled on the side wall of the drive box through bearings, and the outer end of the transmission shaft is assembled and connected with the shaft end of the servo motor through a coupling, the upper and lower ends of the transmission bevel gear are respectively meshed with an upper bevel gear and a lower bevel gear, and the upper bevel gear is located directly above the lower bevel gear, the upper bevel gear is fixed to the top of the inner shaft of the auger, and the lower bevel gear is fixed to the top of the lifting swivel sleeve.

[0010] Preferably, semicircular upper covers are spliced ​​on both sides of the supporting top plate, and two groups of the semicircular upper covers are respectively covered on both sides of the top of the boiling and washing tank, and the side edges of the semicircular upper covers and the side edges of the boiling and washing tank are assembled and fastened by installing bolts, and a limiting strip is provided on the inner side edge of the semicircular upper cover, and the limiting strip is fixed to the side wall of the supporting top plate, and the external cover of the servo motor is provided with a maintenance cover, and the maintenance cover is fixed to the outer wall of the drive box.

[0011] Preferably, an inner shaft bearing is installed between the upper part of the inner shaft of the auger and the inner wall of the lifting swivel sleeve, and the inner ring and outer ring of the inner shaft bearing are respectively fixed to the outer wall of the inner shaft of the auger and the inner wall of the lifting swivel sleeve, and a swivel sleeve bearing is also installed between the outer wall of the lifting swivel sleeve and the inner wall of the supporting top plate, and the inner ring and outer ring of the swivel sleeve bearing are respectively fixed to the outer wall of the lifting swivel sleeve and the inner wall of the supporting top plate.

[0012] Preferably, a hanging frame is integrally provided at the upper end of the cotton net bag, and the hanging frame is fixed to the lower part of the outer wall of the hanging ring frame by a main screw pin, and an auxiliary hanging bracket is fixed to the upper part of the outer wall of the hanging ring frame by an auxiliary screw pin.

[0013] Preferably, the lifting ring frame has a hexagonal cross-section, and six groups of cotton net bags are hexagonally lifted and distributed below the outer side of the lifting ring frame. The upper part of the cotton net bags and the interior of the joint of the lifting frame are covered with an upper baffle plate, and a side support block is provided below the side of the upper baffle plate, and the side support block is fixed to the inner wall of the lifting frame.

[0014] Preferably, the stirring component comprises an inner stirring frame and an outer stirring frame, and the bottom supports of the inner stirring frame and the outer stirring frame are connected and fixed, the cotton placing net bag is located between the inner stirring frame and the outer stirring frame, stirring teeth are fixed on the surfaces of the inner stirring frame and the outer stirring frame, and the stirring teeth are staggered, the upper end of the inner stirring frame is assembled on the upper part of the outer wall of the inner shaft of the auger by screws, a supporting ring is arranged above the outer stirring frame, and the supporting ring sleeve is arranged on the outside of the cotton placing net bag, the inner wall of the supporting ring is fixed to the upper end of the outer stirring frame by a bent rod, the outer wall of the supporting ring is clamped with a supporting sleeve, and the supporting sleeve is fixed to the inner wall of the boiling and washing tank, the interior of the supporting sleeve and the inner wall are connected, and a sliding groove corresponding to the bent rod and the supporting ring is opened

[0015] Preferably, a positioning inner frame is supported and assembled between the bottom of the lifting cylinder and the inner bottom wall of the boiling and washing tank, and a liquid inlet bottom groove is opened inside the positioning inner frame, a liquid outlet upper groove is opened on the upper outer wall of the lifting cylinder, and the top of the lifting cylinder is arranged in an arc-shaped convexity.

[0016] Preferably, a steam inlet pipe is integrally provided at the lower left end of the steam coil, and a steam outlet pipe is integrally provided at the upper right end of the steam coil. The outer ends of the steam inlet pipe and the steam outlet pipe are provided with docking screw heads, and the outer ends of the steam inlet pipe and the steam outlet pipe are threadedly sleeved with coil plugging caps.

[0017] Preferably, the steam coil is externally sleeved with an outer tank body, and the upper ends of the outer tank body are respectively supported and assembled with the upper and lower ends of the outer wall of the boiling and washing tank, the bottom support of the outer tank body is equipped with a support frame, and the outer cover of the outer tank body is equipped with a maintenance mesh cover.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. By setting the steam coil, it is convenient to fully contact the outer wall of the boiling and washing tank under the spiral wrapping, and the heat supply is uniform, making the subsequent boiling and washing operation through the boiling and washing tank more convenient and efficient, and facilitating the full application of steam heat. Through this design, it is beneficial for the nitrocellulose to be evenly heated and washed;

[0020] 2. By setting the lifting cylinder and the lifting auger, it is convenient to drive the water from the bottom to the top for rolling through the rotation of the inner shaft of the auger. Furthermore, the stirring component is synchronously driven to stir the water under the rotation of the inner shaft of the auger. In this way, under the cooperation of lifting and rolling and rotating stirring, it is convenient to heat the water evenly, making subsequent operations more convenient. Through this design, it is beneficial to evenly heat and wash the nitrocellulose;

[0021] 3. By setting the cotton net bag, under the hoisting of the hoisting ring frame and the hoisting rotating sleeve, it is convenient to rotate the hoisting rotating sleeve to drive the nitrocellulose inside the cotton net bag to rotate, making the boiling and washing operation more convenient. This design is conducive to uniform heating and boiling of the nitrocellulose;

[0022] 4. While designing the above structure, through the drive assembly and the drive box, under the support of the supporting top plate and the drive of the servo motor, it is convenient to synchronously drive the hoisting sleeve and the inner shaft of the auger to rotate, and the rotation is opposite, making the boiling and washing operation more convenient. Through this design, it is beneficial for the nitrocellulose to be evenly heated and washed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 It is a schematic cross-sectional view of the structure of the present invention;

[0025] Figure 2 It is a top view cross-sectional schematic diagram of the upper structure of the present invention;

[0026] Figure 3 It is a front cross-sectional schematic diagram of the local structure of the driving assembly of the present invention;

[0027] Figure 4 It is a top view cross-sectional schematic diagram of the lower structure of the present invention;

[0028] Figure 5 It is a schematic front view of the structure of the present invention;

[0029] Figure 6 It is a schematic top view of the structure of the present invention;

[0030] Figure 7 For the present invention Figure 1 A schematic diagram of the structure enlargement in the middle;

[0031] Figure 8 For the present invention Figure 1 Enlarged schematic diagram of the structure at point B in the middle.

[0032] Fig. 9 For the present invention Figure 1 Enlarged schematic diagram of the structure at point C in the middle.

[0033] In the figure: 100, boiling and washing tank; 101, drain seat; 102, drain plug; 110, outer tank body; 111, support frame; 120, maintenance mesh cover; 200, steam coil; 210, steam inlet pipe; 211, docking screw head; 220, steam outlet pipe; 221, coil plug; 300, lifting cylinder; 301, positioning inner frame; 302, liquid inlet bottom tank; 303, liquid outlet upper tank; 310, lifting auger; 320, auger inner shaft; 321, inner shaft bearing; 400, stirring assembly; 410, stirring inner frame; 420, stirring outer frame; 430, stirring teeth; 440, supporting ring; 441, bending rod; 442 , supporting sleeve; 500, cotton net bag; 501, lifting frame; 502, main screw pin; 503, auxiliary hanger; 504, auxiliary screw pin; 505, upper baffle plate; 506, side support block; 510, lifting ring frame; 520, lifting swivel sleeve; 521, swivel sleeve bearing; 600, drive assembly, 601, mounting foot; 602, maintenance cover; 610, drive box; 611, servo motor; 612, coupling; 613, transmission shaft; 614, transmission bevel gear; 615, upper bevel gear; 616, lower bevel gear; 620, supporting top plate; 630, semicircular upper cover; 631, limit card strip; 632, mounting bolts. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-9 The present invention provides an embodiment: a nitrocellulose uniformly heated boiling and washing device, comprising a boiling and washing tank 100, a drain seat 101 is integrally provided at the bottom of the boiling and washing tank 100, and a drain plugging cap 102 is inserted and blocked at the bottom of the drain seat 101;

[0036] The outer wall of the boiling and washing tank 100 is surrounded by a steam coil 200, and the steam coil 200 is spirally wrapped from the left bottom of the boiling and washing tank 100 to the upper right side of the boiling and washing tank 100. A lifting cylinder 300 is vertically installed in the center of the boiling and washing tank 100, and a lifting auger 310 is installed inside the lifting cylinder 300. The center of the lifting auger 310 is integrally fixed with an auger inner shaft 320. The upper part of the auger inner shaft 320 is equipped with a stirring component 400, and the stirring component 400 is located between the outer wall of the lifting cylinder 300 and the inner wall of the boiling and washing tank 100. A cotton net bag 500 is also provided inside the boiling and washing tank 100. The cotton net bag 500 is located on the inner side of the stirring component 400, and the cotton net bag 500 is 00 is equipped with a lifting ring frame 510 on the upper part, a lifting rotating sleeve 520 is fixed in the middle of the lifting ring frame 510, and the lifting rotating sleeve 520 is sleeved on the upper outer wall of the inner shaft 320 of the auger, and a driving assembly 600 is arranged above the top of the boiling and washing tank 100, and the driving assembly 600 comprises a driving box 610, and a servo motor 611 is installed on the side of the driving box 610, and a supporting top plate 620 is installed at the bottom of the driving box 610 through the mounting feet 601, and the supporting top plate 620 is fixed across the top of the front and rear outer walls of the boiling and washing tank 100, and the auger inner shaft 320 and the upper part of the lifting rotating sleeve 520 are both inserted through the center of the supporting top plate 620 and extended to be inserted into the inside of the driving box 610;

[0037] Furthermore, a transmission bevel gear 614 is provided on the inner side of the driving box 610, and a transmission shaft 613 is fixed inside the transmission bevel gear 614. The transmission shaft 613 is assembled on the side wall of the driving box 610 through a bearing, and the outer end of the transmission shaft 613 is assembled and connected with the shaft end of the servo motor 611 through a coupling 612. The upper and lower ends of the transmission bevel gear 614 are respectively meshed with an upper bevel gear 615 and a lower bevel gear 616, and the upper bevel gear 615 is located directly above the lower bevel gear 616. The upper bevel gear 615 is fixed on the top of the auger inner shaft 320, and the lower bevel gear 616 is fixed on the top of the hoisting rotating sleeve 520. Through this design, it is convenient to synchronously rotate the hoisting rotating sleeve 520 and the auger inner shaft 320, and the rotation directions are opposite, so that the nitrocellulose is evenly heated and washed;

[0038] Furthermore, semicircular upper covers 630 are spliced ​​on both sides of the support top plate 620, and two groups of semicircular upper covers 630 are respectively covered on both sides of the top of the boiling and washing tank 100, and the sides of the semicircular upper covers 630 are assembled and fastened with the sides of the boiling and washing tank 100 by installing bolts 632, and the inner side of the semicircular upper covers 630 is clamped with a limit clamping strip 631, and the limit clamping strip 631 is fixed to the side wall of the support top plate 620, and the outer cover of the servo motor 611 is provided with a maintenance cover shell 602, and the maintenance cover shell 602 is fixed to the outer wall of the driving box 610. Through this design, it is convenient to maintain the relatively closed cover of the upper part of the boiling and washing tank 100 and the cover of the servo motor 611, so as to prevent the servo motor 611 from being damaged by water vapor;

[0039] Furthermore, an inner shaft bearing 321 is installed between the upper part of the auger inner shaft 320 and the inner wall of the hoisting swivel sleeve 520, and the inner ring and outer ring of the inner shaft bearing 321 are respectively fixed to the outer wall of the auger inner shaft 320 and the inner wall of the hoisting swivel sleeve 520, and a swivel sleeve bearing 521 is also installed between the outer wall of the hoisting swivel sleeve 520 and the inner wall of the supporting top plate 620, and the inner ring and outer ring of the swivel sleeve bearing 521 are respectively fixed to the outer wall of the hoisting swivel sleeve 520 and the inner wall of the supporting top plate 620. Through this design, the auger inner shaft 320 and the hoisting swivel sleeve 520 are easily driven and rotated stably, making the operation and use more convenient;

[0040] Furthermore, a hanging frame 501 is integrally provided at the upper end of the cotton net bag 500, and the hanging frame 501 is fixed to the lower part of the outer wall of the hanging ring frame 510 through a main screw pin 502, and an auxiliary hanging bracket 503 is fixed to the upper part of the outer wall of the hanging ring frame 510 through an auxiliary screw pin 504. This design facilitates the stable hanging of the opposite cotton net bag 500 and facilitates the rotation driven by the opposite cotton net bag 500;

[0041] Furthermore, the cross section of the hoisting ring frame 510 is hexagonal, and six groups of cotton net bags 500 are hoisted in a hexagonal shape and distributed below the outer side of the hoisting ring frame 510. The upper part of the cotton net bag 500 and the joint part of the hoisting frame 501 are covered with an upper baffle plate 505, and a side support block 506 is provided below the side of the upper baffle plate 505. The side support block 506 is fixed to the inner wall of the hoisting frame 501. Through this design, it is convenient to synchronously drive multiple groups of cotton net bags 500, and at the same time, it is convenient to isolate the nitrocellulose inside the cotton net bag 500 when in use to prevent overflow from the outside of the cotton net bag 500.

[0042] Further, the stirring assembly 400 comprises a stirring inner frame 410 and a stirring outer frame 420, and the stirring inner frame 410 and the stirring outer frame 420 are connected and fixed at the bottom support, the cotton net bag 500 is located between the stirring inner frame 410 and the stirring outer frame 420, stirring teeth 430 are fixed on the surface of the stirring inner frame 410 and the stirring outer frame 420, and the stirring teeth 430 are staggered, the upper end of the stirring inner frame 410 is assembled on the upper part of the outer wall of the auger inner shaft 320 by screws, and a supporting ring 440 is arranged above the stirring outer frame 420 , and the support ring 440 is sleeved on the outside of the cotton net bag 500, the inner wall of the support ring 440 is fixed to the upper end of the stirring outer frame 420 through a bent rod 441, and a support sleeve 442 is clamped on the outer wall of the support ring 440, and the support sleeve 442 is fixed to the inner wall of the boiling and washing tank 100, and the inside of the support sleeve 442 and the inner wall are connected to open a slide groove corresponding to the bent rod 441 and the support ring 440. Through this design, it is easy to assemble the stirring component 400 and drive it to rotate to stir the water body, making the operation more convenient;

[0043] Furthermore, a positioning inner frame 301 is supported and assembled between the bottom of the lifting cylinder 300 and the inner bottom wall of the washing tank 100, and a liquid inlet bottom groove 302 is provided inside the positioning inner frame 301, and a liquid outlet upper groove 303 is provided on the upper outer wall of the lifting cylinder 300. The top of the lifting cylinder 300 is provided with an arc-shaped convexity. Through this design, the lifting operation of the lifting cylinder 300 and the lifting auger 310 is facilitated, making the rolling more convenient;

[0044] Furthermore, a steam inlet pipe 210 is integrally provided at the lower left end of the steam coil 200, and a steam outlet pipe 220 is integrally provided at the upper right end of the steam coil 200. The outer ends of the steam inlet pipe 210 and the steam outlet pipe 220 are provided with docking screw heads 211, and the outer ends of the steam inlet pipe 210 and the steam outlet pipe 220 are threadedly sleeved with coil plugging caps 221. This design facilitates the gas supply inside the steam coil 200. At the same time, when in use, the steam inlet pipe 210 can be connected to the outlet of the steam equipment, and the steam outlet pipe 220 can be connected to the return port of the steam equipment, so as to circulate the steam for stable heating.

[0045] Furthermore, an outer tank body 110 is provided on the outside of the steam coil 200, and the two ends of the upper end of the outer tank body 110 are respectively supported and assembled with the upper and lower ends of the outer wall of the boiling and washing tank 100, and the bottom support of the outer tank body 110 is equipped with a support frame 111. The outer cover of the outer tank body 110 is equipped with a maintenance mesh cover 120. Through this design, it is convenient to cover and maintain the outer wall of the boiling and washing tank 100 and the steam coil 200 to avoid direct contact and burns.

[0046] Working principle: when it is necessary to boil and wash the nitrocellulose, the steam inlet pipe 210 is connected to the outlet of the steam equipment, and the steam outlet pipe 220 is connected to the return port of the steam equipment, so as to circulate the steam for stable heating. Then, under the setting of the swirling and surrounding wrapping of the steam coil 200, it is convenient to fully fit the outer wall of the boiling and washing tank 100 to heat the internal water body, so as to assist in uniform heating and washing. At the same time, the servo motor 611 is driven to rotate. Under the meshing cooperation of the transmission bevel gear 614, the upper bevel gear 615 and the lower bevel gear 616, it is convenient to synchronously drive the auger inner shaft 320 and the lifting sleeve 520 to rotate, and the rotation directions are opposite; when the auger inner shaft 320 rotates, it drives the lifting auger 310 through the lifting cylinder 300, under the cooperation of the positioning inner frame 301, the liquid inlet bottom tank 302 and the liquid outlet upper tank 303, it is convenient to align the boiling and washing tank 100 with the positioning inner frame 301, the liquid inlet bottom tank 302 and the liquid outlet upper tank 303. The water at the bottom of the tank 100 is lifted to the upper part, and is synchronously and continuously rotated and lifted, which is convenient for tumbling and mixing the water, and is conducive to uniform heating. At the same time, the rotation of the inner shaft 320 of the auger drives the stirring assembly 400 to stir the water under the cooperation of the stirring inner frame 410 and the stirring outer frame 420, and the stirring inner frame 410 and the stirring outer frame 420 are opposite to the water on the front and rear sides of the outer cotton net bag 500 to stir, so as to cooperate with the tumbling, so that the heating is more uniform. At the same time, when the stirring inner frame 410 and the stirring outer frame 420 rotate, the support ring 440 is supported by the support sleeve 442 to assist their stable rotation; under the rotation of the lifting rotating sleeve 520, the lifting ring frame 510 drives the cotton net bag 500 to rotate, so as to drive the nitrocellulose placed in the cotton net bag 500 to rotate, and the rotation direction is opposite to that of the water, so that the boiling and washing operation is more convenient;

[0047] During operation, the mounting bolts 632 are unscrewed to facilitate the removal of the semicircular upper cover 630, thereby facilitating the operation of the inside of the boiling and washing tank 100, facilitating water injection and placing nitrocellulose. When placing nitrocellulose, the upper baffle plate 505 is removed. After placing the nitrocellulose, the upper baffle plate 505 is placed, and the support of the side support block 506 facilitates the covering of the top of the cotton net bag 500, and facilitates the isolation of the nitrocellulose to prevent the nitrocellulose from overflowing from the top of the cotton net bag 500 during subsequent boiling and washing. At the same time, with the cooperation of the main screw pin 502 and the auxiliary screw pin 504, it is also convenient to disassemble, clean and maintain the cotton net bag 500; after placement, the semicircular upper cover 630 is conveniently maintained on the top of the boiling and washing tank 100 with the cooperation of the limit card strip 631 and the mounting bolts 632 to prevent hot water and water vapor from splashing out. At the same time, with the cooperation of the maintenance cover shell 602, it is also convenient to maintain the covering of the servo motor 611.

[0048] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and described above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A nitrocellulose uniformly heated boiling and washing device, comprising a boiling and washing tank (100), wherein a drainage seat (101) is integrally provided at the bottom of the boiling and washing tank (100), and a drainage plugging cap (102) is inserted and blocked at the bottom of the drainage seat (101); Features: The outer wall of the cooking and washing tank (100) is surrounded by a steam coil (200), and the steam coil (200) is spirally wrapped from the left bottom of the cooking and washing tank (100) to the upper right side of the cooking and washing tank (100). A lifting cylinder (300) is vertically installed in the center of the cooking and washing tank (100), and a lifting auger (310) is installed in the lifting cylinder (300). An auger inner shaft (320) is integrally fixed to the center of the lifting auger (310). A stirring assembly (400) is installed on the upper part of the auger inner shaft (320), and the stirring assembly (400) is located between the outer wall of the lifting cylinder (300) and the inner wall of the cooking and washing tank (100). A cotton net bag (500) is also arranged inside the cooking and washing tank (100), and a cotton net bag (500) is installed on the upper part of the cotton net bag (500). The invention is provided with a hoisting ring frame (510), a hoisting rotating sleeve (520) is fixed in the middle of the hoisting ring frame (510), and the hoisting rotating sleeve (520) is sleeved on the outer wall of the upper end of the inner shaft (320) of the auger, the stirring assembly (400) comprises an inner stirring frame (410) and an outer stirring frame (420), and the bottom supports of the inner stirring frame (410) and the outer stirring frame (420) are connected and fixed, the cotton net bag (500) is located between the inner stirring frame (410) and the outer stirring frame (420), the surfaces of the inner stirring frame (410) and the outer stirring frame (420) are both fixed with stirring teeth (430), and the stirring teeth (430) are staggeredly distributed, the upper end of the inner stirring frame (410) is assembled on the upper part of the outer wall of the inner shaft (320) of the auger by screws, and the stirring assembly (400) comprises an inner stirring frame (410) and an outer stirring frame (420), and the stirring teeth (430) are staggeredly distributed. A supporting ring (440) is arranged above the stirring outer frame (420), and the supporting ring (440) is sleeved on the outside of the cotton placing net bag (500). The inner wall of the supporting ring (440) is fixed to the upper end of the stirring outer frame (420) through a bent rod (441). A supporting sleeve (442) is clamped on the outer wall of the supporting ring (440), and the supporting sleeve (442) is fixed to the inner wall of the boiling and washing tank (100). The interior of the supporting sleeve (442) is connected to the inner wall and is provided with a slide groove corresponding to the bent rod (441) and the supporting ring (440). A driving assembly (600) is arranged above the top of the boiling and washing tank (100). The driving assembly (600) comprises a driving box (610), and a servo motor is mounted on the side of the driving box (610). The machine (611) comprises a driving box (610) having a supporting top plate (620) installed at the bottom thereof via a mounting foot (601); the supporting top plate (620) is fixed across the top of the front and rear outer walls of the boiling and washing tank (100); the auger inner shaft (320) and the upper part of the hoisting rotating sleeve (520) are inserted through the center of the supporting top plate (620) and extend to be inserted into the driving box (610); a transmission bevel gear (614) is arranged on the inner side of the driving box (610); a transmission shaft (613) is fixed inside the transmission bevel gear (614); the transmission shaft (613) is inserted and installed in the side wall of the driving box (610) via a bearing; and the outer end of the transmission shaft (613) is assembled and connected to the shaft end of the servo motor (611) via a coupling (612);The transmission bevel gear (614) is meshed with an upper bevel gear (615) and a lower bevel gear (616) at the upper and lower ends respectively, and the upper bevel gear (615) is located directly above the lower bevel gear (616). The upper bevel gear (615) is fixed to the top of the auger inner shaft (320), and the lower bevel gear (616) is fixed to the top of the hoisting rotating sleeve (520).

2. The device for uniformly heating and washing nitrocellulose according to claim 1, characterized in that: Semicircular upper covers (630) are spliced ​​on both sides of the support top plate (620), and two groups of the semicircular upper covers (630) are respectively arranged to cover both sides of the top of the boiling and washing tank (100), and the side edges of the semicircular upper covers (630) and the side edges of the boiling and washing tank (100) are assembled and fastened by mounting bolts (632). A limiting clamping strip (631) is clamped on the inner side edge of the semicircular upper cover (630), and the limiting clamping strip (631) is fixed to the side wall of the support top plate (620). A maintenance cover (602) is provided on the outside of the servo motor (611), and the maintenance cover (602) is fixed to the outer wall of the drive box (610).

3. The uniformly heated boiling and washing device for nitrocellulose according to claim 1, characterized in that: An inner shaft bearing (321) is arranged between the upper part of the auger inner shaft (320) and the inner wall of the hoisting swivel sleeve (520), and the inner ring and outer ring of the inner shaft bearing (321) are respectively fixed to the outer wall of the auger inner shaft (320) and the inner wall of the hoisting swivel sleeve (520). A swivel sleeve bearing (521) is also arranged between the outer wall of the hoisting swivel sleeve (520) and the inner wall of the supporting top plate (620), and the inner ring and outer ring of the swivel sleeve bearing (521) are respectively fixed to the outer wall of the hoisting swivel sleeve (520) and the inner wall of the supporting top plate (620).

4. The device for uniformly heating and washing nitrocellulose according to claim 1, characterized in that: The upper end of the cotton placing net bag (500) is integrally provided with a hanging frame (501), and the hanging frame (501) is fixed to the lower part of the outer wall of the hanging ring frame (510) via a main screw pin (502); an auxiliary hanging frame (503) is fixedly provided on the outer surface of the upper part of the hanging frame (501), and the auxiliary hanging frame (503) is fixed to the upper part of the outer wall of the hanging ring frame (510) via an auxiliary screw pin (504).

5. The device for uniformly heating and washing nitrocellulose according to claim 1, characterized in that: The cross section of the hoisting ring frame (510) is hexagonal, and six groups of cotton net bags (500) are hoisted in a hexagonal shape and distributed below the outer side of the hoisting ring frame (510). The upper part of the cotton net bags (500) and the joint part of the hoisting frame (501) are covered with an upper baffle plate (505), and a side support block (506) is arranged below the side of the upper baffle plate (505), and the side support block (506) is fixed to the inner wall of the hoisting frame (501).

6. The nitrocellulose uniformly heated boiling and washing device according to claim 1, characterized in that: A positioning inner frame (301) is supported and assembled between the bottom of the lifting cylinder (300) and the inner bottom wall of the boiling and washing tank (100), and a liquid inlet bottom groove (302) is provided inside the positioning inner frame (301), and a liquid outlet upper groove (303) is provided on the upper outer wall of the lifting cylinder (300), and the top of the lifting cylinder (300) is arranged in an arc-shaped protrusion.

7. The device for uniformly heating and washing nitrocellulose according to claim 1, characterized in that: A steam inlet pipe (210) is integrally provided at the lower left end of the steam coil (200), and a steam outlet pipe (220) is integrally provided at the upper right end of the steam coil (200); the outer ends of the steam inlet pipe (210) and the steam outlet pipe (220) are both provided with butt screw heads (211), and the outer ends of the steam inlet pipe (210) and the steam outlet pipe (220) are threadedly sleeved with coil plugging caps (221).

8. The device for uniformly heating and washing nitrocellulose according to claim 1, characterized in that: The steam coil (200) is externally sleeved with an outer tank body (110), and the upper ends of the outer tank body (110) are respectively supported and assembled with the upper and lower ends of the outer wall of the boiling and washing tank (100). The bottom support of the outer tank body (110) is equipped with a support frame (111), and the outer cover of the outer tank body (110) is equipped with a maintenance mesh cover (120).

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