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CN-224207887-U - Molecular sieve slurry preparation device with dustproof effect

CN224207887UCN 224207887 UCN224207887 UCN 224207887UCN-224207887-U

Abstract

The utility model belongs to the technical field of slurry preparation devices in molecular sieve production, and particularly relates to a molecular sieve slurry preparation device with a dustproof effect. The molecular sieve slurry preparation device with the dustproof effect comprises a roasting furnace, wherein a collecting box is arranged at the tail of the roasting furnace, the collecting box is connected with a tail bag dust remover, the tail bag dust remover is connected with a tail pulping tank through a screw, the tail pulping tank is provided with a pipeline connected with the collecting box, and the tail pulping tank is connected with a coarse slurry tank. According to the molecular sieve slurry preparation device with the dustproof effect, the stainless steel pipeline is arranged between the top of the tail beating tank and the collecting box of the roasting furnace, so that the problem of dust on the production site is effectively reduced, the stability of subsequent grinding is ensured, meanwhile, the negative pressure in the roasting furnace is fully utilized, the recycling of the dust is realized, the utilization rate of resources is improved, and the production environment is ensured.

Inventors

  • LIANG XIAOFENG
  • ZHANG ZHIPENG
  • FAN JIUMING
  • LI XINLIN
  • FAN LEI

Assignees

  • 山东齐鲁华信实业股份有限公司

Dates

Publication Date
20260508
Application Date
20250523

Claims (9)

  1. 1. The utility model provides a molecular sieve thick liquid preparation facilities with dustproof effect, including roasting furnace (1), tail sack cleaner (3) and tail beating jar (4), a serial communication port, roasting furnace (1) tail is provided with collection workbin (2), collection workbin (2) bottom and tail sack cleaner (3) are connected, tail sack cleaner (3) are connected with tail beating jar (4) through the auger, tail beating jar (4) top is provided with the pipeline that flows back to collection workbin (2) top, tail beating jar (4) are connected with thick stock liquid jar (6), thick stock liquid jar (6) are connected with the sanding unit, sanding unit is connected with the intermediate tank of abrasive slurry (8), intermediate tank of abrasive slurry (8) are connected with thick stock tank (9), thick stock tank (9) bottom is provided with outer supply line (10).
  2. 2. The molecular sieve slurry preparation device with the dustproof effect according to claim 1, wherein the inlet of the roasting furnace (1) is provided with a pipeline connected with the bottom of the bag-type dust remover (11), the bag-type dust remover (11) is connected with the outlet of the flash drying device (12), the inlet of the flash drying device (12) is connected with the outlet of the bottom of the flash feeding tank (13), and the top of the flash feeding tank (13) is connected with the activation tank (14).
  3. 3. The molecular sieve slurry preparation device with dustproof effect according to claim 2, wherein an activator feed inlet and a molecular sieve material inlet are arranged at the top of the activation tank (14).
  4. 4. The molecular sieve slurry preparation device with the dustproof effect according to claim 1, wherein the top of the furnace tail beating tank (4) is connected with an acidic water pipeline (20).
  5. 5. The molecular sieve slurry preparation device with the dustproof effect according to claim 1, wherein a spherical valve (21) is arranged on a pipeline from the top of the tail pulping tank (4) to the top of the aggregate box (2), and the spherical valve (21) is close to one side of the tail pulping tank (4).
  6. 6. The molecular sieve slurry preparation device with the dustproof effect according to claim 1, wherein the lower part of the roasting furnace (1) is respectively connected with a blower (15) and a natural gas pipeline (16), and a flame arrester (17) is arranged on the natural gas pipeline (16).
  7. 7. The molecular sieve slurry preparation device with the dustproof effect according to claim 1, wherein the top of the tail gas bag dust collector (3) is connected with a tail gas treatment device (19) through a draught fan (22), a pipeline connected with a cold pack tank (5) is arranged at the bottom, and the cold Bao Guan (5) is connected with a downstream air flow grinding device (18).
  8. 8. The molecular sieve slurry preparation device with the dustproof effect according to claim 1, wherein a pipeline for returning to the coarse slurry tank (6) is arranged at the input end of the sand grinding unit.
  9. 9. The molecular sieve slurry preparation device with the dustproof effect according to claim 1, wherein the sand grinding unit consists of two sand grinders (7) connected in series.

Description

Molecular sieve slurry preparation device with dustproof effect Technical Field The utility model belongs to the technical field of slurry preparation devices in molecular sieve production, and particularly relates to a molecular sieve slurry preparation device with a dustproof effect. Background The basic process of molecular sieve production is that silica gel and sodium metaaluminate solution are mixed, template agent/seed crystal is added, molecular sieve is produced by hydrothermal synthesis under certain condition, and then qualified molecular sieve finished product is produced through a series of operation flows of filtering, washing, activating, modifying, drying, roasting and the like. The molecular sieve material is activated and dried and then is roasted in a roasting furnace, and the roasted molecular sieve material is continuously ground according to production requirements (slurry grinding and air flow grinding), wherein in the slurry grinding stage, the high-temperature roasted molecular sieve material is required to enter a furnace tail pulping tank for pulping, and the material enters the furnace tail pulping tank through a packing auger, so that the molecular sieve material cannot be completely fused with solution in the tank due to the micro-positive pressure state in the tank, and material dust is emitted from the furnace tail pulping tank, so that the production site and the environmental sanitation are poor, and meanwhile, larger potential safety hazards are caused, the stability of subsequent devices is influenced, and the health of related operators is also influenced. Disclosure of utility model The utility model aims to overcome the defects of the prior art, provide the molecular sieve slurry preparation device with the dustproof effect, and set a stainless steel pipeline between the top of the tail beating tank and the collecting box of the roasting furnace, so that the problem of dust on the production site is effectively reduced, the stability of subsequent grinding is ensured, meanwhile, the negative pressure in the roasting furnace is fully utilized, the recycling of the dust is realized, the utilization rate of resources is improved, and the production environment is ensured. The utility model relates to a molecular sieve slurry preparation device with a dustproof effect, which comprises an activation tank, wherein the activation tank is connected with the top of a flash evaporation feeding tank, an outlet at the bottom of the flash evaporation feeding tank is connected with an inlet of a flash evaporation drying device, an outlet of the flash evaporation drying device is connected with a bag-type dust remover, a pipeline connected with an inlet of a roasting furnace is arranged at the bottom of the bag-type dust remover, a material collecting box is arranged at the tail of the roasting furnace, the bottom of the material collecting box is connected with a tail bag-type dust remover, the tail bag-type dust remover is connected with a tail pulping tank through a packing auger, a pipeline connected with the top of the material collecting box is arranged at the top of the tail pulping tank, the tail pulping tank is connected with a coarse slurry tank, the coarse slurry tank is connected with a sanding unit, the sanding unit is connected with a fine slurry intermediate tank, and an external supply pipeline is arranged at the bottom of the slurry tank. Preferably, the top of the activation tank is provided with an activator feed inlet and a molecular sieve material inlet. Preferably, the top of the furnace tail beating tank is provided with an acidic water pipeline. Preferably, a spherical valve is arranged on a pipeline connected with the top of the tail beating tank and the top of the collecting box, and the spherical valve is positioned at one side close to the tail beating tank. Preferably, the lower part of the roasting furnace is connected with a blower, the lower part of the roasting furnace is connected with a natural gas pipeline, and a flame arrester is arranged on the natural gas pipeline. Preferably, the top of the tail gas bag dust remover is connected with a tail gas treatment device through a draught fan, a pipeline connected with a cold pack tank is arranged at the bottom of the tail gas bag dust remover, and the cold pack tank is connected with a downstream air flow grinding device. Preferably, the input end of the sand grinding unit is provided with a pipeline which flows back to the coarse slurry liquid tank, and the stability of the grinding process is ensured through partial backflow. Preferably, the sand mill unit consists of two sand mills connected in series. The molecular sieve slurry preparation device with the dustproof effect comprises the following working processes that unactivated molecular sieve materials and activating agents enter an activating tank through a feed inlet at the top of the activating tank to be activated, then enter a flash evaporat