Search

CN-119819417-B - Large-sized material crusher after sodium sulfide calcination and crushing process thereof

CN119819417BCN 119819417 BCN119819417 BCN 119819417BCN-119819417-B

Abstract

The invention relates to the technical field of crushing machinery and discloses a large-sized material crusher after sodium sulfide calcination and a crushing process thereof, in order to solve the problem that sodium sulfide which does not accord with particle sizes is accumulated on a filter plate, in the process of crushing the large-sized sodium sulfide by a driving crushing roller and a driven crushing roller, the rotation power generated by the driving crushing roller can drive the filter plate to swing up and down in a fan shape, so that the large-sized sodium sulfide filtered by the filter plate is thrown upwards, finally returns to the space between the driving crushing roller and the driven crushing roller again after passing through a material returning cavity part and a material sieving cavity part and is subjected to secondary crushing, the accumulation of sodium sulfide on the filter plate is reduced, the sodium sulfide filtered by the filter plate is subjected to secondary crushing treatment, the particle sizes after output are ensured to meet the actual production requirement, and finally the effects of throwing back materials of the filter plate and realizing secondary crushing are achieved.

Inventors

  • YANG HONG
  • WANG FENG
  • MA TIANCHENG
  • TANG BAMING
  • WU SHENFA

Assignees

  • 铜陵铜冠环保科技有限公司

Dates

Publication Date
20260512
Application Date
20250307

Claims (8)

  1. 1. A bulk material crusher after sodium sulfide calcination, comprising: The top of the base (1) is fixedly connected with a crushing box (2), a control panel (6) is fixed at the outer side part of the crushing box (2), and a motor reducer group (3) arranged at the outer side of the crushing box (2) can drive a driving crushing roller (13) and a driven crushing roller (130) in the crushing box (2) to rotate relatively through a transmission gear set (4) so as to crush massive sodium sulfide; A feeding cavity part (201) is arranged inside the crushing box (2) and above the driving crushing roller (13) and the driven crushing roller (130), a filter plate (14) is arranged inside the crushing box (2) and below the driving crushing roller (13) and the driven crushing roller (130) Fang Jiaojie, a filter hole is formed in the surface of the filter plate (14), and a returning cavity part (200) above the filter plate (14) and a screening cavity part (202) on one side of the feeding cavity part (201) are arranged inside the crushing box (2); A guide frame (9) is movably arranged on the outer side of the base (1), a piston bottom plate (16) is fixedly arranged at one end of the guide frame (9), a top plate rod (17) is fixedly arranged on one side of the surface of the piston bottom plate (16), an adjusting frame (10) is fixedly arranged at the other end of the guide frame (9), and an adjusting rod piece sliding seat (11) is movably arranged on the adjusting frame (10); A fluted disc (12) fixed on the rotating shaft of the driving crushing roller (13) can drive the adjusting rod sliding seat (11) to rotate circumferentially, the adjusting rod sliding seat (11) rotates along with the fluted disc (12) and drives the adjusting frame (10) to move up and down through the adjusting rod sliding seat (11), and the driving of the guide frame (9) forces the piston bottom plate (16) to reciprocate on the inner side of the base (1); A feeding box cover (7) is movably arranged at the top of the crushing box (2), a one-way air inlet valve (5) positioned at the bottom of the screening cavity (202) is fixedly arranged at the outer side part of the crushing box (2), and a one-way exhaust valve cover (18) pushed by a valve cover top spring (180) is movably arranged at the bottom of the piston bottom plate (16); When the piston bottom plate (16) moves downwards, the downward piston bottom plate (16) causes the pressure of air flow in the base (1) to be relatively reduced, external air flow enters the screening cavity part (202) through the one-way air inlet valve (5), the air flow entering through the one-way air inlet valve (5) can blow from the screening cavity part (202) to the returning cavity part (200), the upward air flow is opposite to sodium sulfide powder scattered downwards, and the powder can blow to the direction of the filter plate (14) through the returning cavity part (200) again by the air flow.
  2. 2. The bulk material crusher after sodium sulfide calcination according to claim 1, wherein a needle plate (15) is installed at the bottom of the filter plate (14), a return spring (150) is connected between the needle plate (15) and the bottom of the filter plate (14), and a blockage removing thimble corresponding to the filter hole is arranged on the surface of the needle plate (15).
  3. 3. The bulk material crusher after sodium sulfide calcination according to claim 1, wherein a pull rope (170) is connected between the top of the top plate rod (17) and the bottom of the needle plate (15).
  4. 4. A bulk material crusher after sodium sulfide calcination according to claim 3, wherein a check disc (8) positioned on one side of a fluted disc (12) is fixedly arranged at the outer side part of the crushing box (2), a supporting disc (19) is arranged at the end part of the check disc (8), a rod piece adjusting sliding seat (11) is movably arranged on the surface of the supporting disc (19), a return groove (800) is formed in the bottom of the surface of the check disc (8), and a circle of external teeth are arranged at the outer side of the surface of the fluted disc (12).
  5. 5. The large-sized material crusher after sodium sulfide calcination according to claim 4, wherein a fixed inner ring frame (21) is fixedly installed on a rotating shaft of the driven crushing roller (130), a movable outer ring frame (210) is movably sleeved on the outer side of the shaft end of the driven crushing roller (130), the movable outer ring frame (210) is positioned on the outer side of the fixed inner ring frame (21), a torque limiting push rod (211) which is outwards ejected by a spring is movably installed on the outer side of the fixed inner ring frame (21), the torque limiting push rod (211) is propped against inner teeth arranged on the inner side of the movable outer ring frame (210), and locking teeth (22) are fixedly installed on the outer side of the movable outer ring frame (210).
  6. 6. The bulk material crusher after sodium sulfide calcination according to claim 5, wherein the lock teeth (22) are in an L shape, six lock teeth (22) are arranged outside the movable outer ring frame (210) in a ring shape with equal angles.
  7. 7. The large-sized material crusher after sodium sulfide calcination according to claim 5, wherein a limiting sleeve (20) fixedly connected with a rotating shaft of the filter plate (14) is movably arranged on the outer side of the crushing box (2), a check rod (2001) and a screen disc rod (2002) are arranged on the outer side of the limiting sleeve (20), and the check rod (2001) and the screen disc rod (2002) are arranged in a V shape.
  8. 8. A crushing process of a bulk material crusher after sodium sulfide calcination as claimed in claim 1, comprising the steps of: s1, putting massive sodium sulfide into a feeding cavity part (201) of equipment; S2, starting a motor reducer set (3) through a control panel (6), and driving a driving crushing roller (13) and a driven crushing roller (130) to synchronously rotate through a transmission gear set (4) by the motor reducer set (3), so that massive sodium sulfide arranged between the driving crushing roller and the driven crushing roller is crushed; S3, the crushed massive sodium sulfide falls into the left end of the obliquely arranged filter plate (14), one end of the filter plate (14) is hinged, and the other end of the filter plate is in a free moving state, so that crushed sodium sulfide particles slide rightwards along the surface of the filter plate (14) under the action of gravity; S4, in the sliding process, small-particle sodium sulfide falls off through the filter holes on the filter plate (14), and large-particle sodium sulfide is accumulated on the right side of the filter plate (14); s5, the rotation of the driving crushing roller (13) drives a fluted disc (12) coaxial with the driving crushing roller to rotate, the fluted disc (12) further drives the adjusting rod piece sliding seat (11) to rotate, and the adjusting frame (10) is forced to drive the piston bottom plate (16) to reciprocate up and down through the guide frame (9); S6, when the piston bottom plate (16) moves upwards rapidly, a top plate rod (17) on the piston bottom plate impacts the bottom of the filter plate (14) to push the filter plate (14) to deflect upwards rapidly, so that large-particle sodium sulfide accumulated on the right side of the filter plate (14) is thrown along the direction of the material returning cavity part (200) and falls down vertically from the material screening cavity part (202); s7, sodium sulfide falling from the screening cavity part (202) is subjected to secondary crushing through the driving crushing roller (13) and the driven crushing roller (130) again, so that the surface of the filter plate (14) is ensured not to accumulate sodium sulfide.

Description

Large-sized material crusher after sodium sulfide calcination and crushing process thereof Technical Field The invention relates to the technical field related to crushing machinery, in particular to a large-block material crusher after sodium sulfide calcination and a crushing process thereof. Background Sodium sulfide is an extremely critical inorganic compound, and its unique chemical properties and physical morphology give it a wide range of applications. The solid obtained by calcining sodium sulphide, after crushing treatment, forms powders which, because of their various chemical activities and specific physical forms, are widely used in a number of industrial fields including, but not limited to, the dye and printing industry, the tanning industry and the paper industry. According to the retrieval, the prior publication No. CN221471977U provides a sodium sulfide feeding device, which comprises a temporary storage tank and a feeding cylinder, wherein the bottom of the temporary storage tank is provided with supporting legs, the top of the temporary storage tank is provided with a temporary storage tank cover plate, the bottom of the temporary storage tank is provided with a discharge hole, the top of the feeding cylinder is provided with a crushing roller, and a weighing assembly is arranged in the feeding cylinder. However, this conventional screening method exposes its limitations in practical applications, far from perfect. In a specific operation process, a problem to be solved is that large-particle sodium sulfide frequently stays or accumulates on a filter plate. This phenomenon not only directly slows down the screening process, significantly reducing the screening efficiency, but also results in a portion of the large particle sodium sulfide not being accurately and effectively separated from the mixture. The occurrence of the situation can certainly cause chain reaction to the subsequent production links, seriously disturb the smooth operation of the whole production flow, and simultaneously form a non-negligible threat to the quality consistency of the final product. Because the residue of large-particle sodium sulfide may introduce uneven particle distribution in the product, thereby affecting the overall performance and application effect of the product. In view of the severity of this problem, how to effectively carry out secondary crushing on large-particle sodium sulfide so as to ensure that all particles can reach the required particle size standard becomes a key technical problem to be overcome in the current sodium sulfide production process. Disclosure of Invention The invention provides a large-block material crusher after sodium sulfide calcination and a crushing process thereof, which have the advantages of throwing return materials by a filter plate and realizing secondary crushing, and are used for solving the problem that sodium sulfide which does not accord with the particle size is accumulated on the filter plate in the prior art. The technical scheme includes that the large-block material crusher after sodium sulfide calcination comprises a base, a crushing box is fixedly connected to the top of the base, a control panel is fixedly arranged on the outer side of the crushing box, a motor reducer set arranged on the outer side of the crushing box can drive a driving crushing roller and a driven crushing roller in the crushing box to rotate relatively through a transmission gear set so as to crush massive sodium sulfide, a feeding cavity is formed in the crushing box and above the driving crushing roller and the driven crushing roller, a filter plate is arranged on the inner side of the crushing box and below the driving crushing roller and the driven crushing roller Fang Jiaojie, a filter hole is formed in the surface of the filter plate, a returning cavity above the filter plate and a screening cavity on one side of the feeding cavity are arranged on the inner side of the crushing box, a guide frame is movably arranged on the outer side of the base, a piston bottom plate is fixedly arranged on one end of the guide frame, an adjusting rod is fixedly arranged on one side of the piston bottom plate, an adjusting frame is movably arranged on the other end of the guide frame, a toothed disc fixed on a rotating shaft of the driving rod can drive the adjusting rod to rotate circumferentially, the adjusting rod is driven to rotate, and the adjusting rod is driven to reciprocate through the guide frame, and the piston is driven to move on the inner side of the guide frame. Further, a needle plate is arranged at the bottom of the filter plate, a reset spring is connected between the needle plate and the bottom of the filter plate, and a blockage removing thimble corresponding to the filter hole is arranged on the surface of the needle plate. Further, a feeding box cover is movably arranged at the top of the crushing box, a one-way air inlet valve positioned at the bottom of the scree