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CN-224220951-U - Acetic acid deiodination sled dress equipment

CN224220951UCN 224220951 UCN224220951 UCN 224220951UCN-224220951-U

Abstract

The utility model relates to the technical field of acetic acid deiodination, in particular to acetic acid deiodination skid-mounted equipment, which comprises a resin bed, wherein the resin bed comprises a bed body, a gas phase balance outlet is arranged at the top of the bed body, a discharge hole is arranged at the bottom of the bed body, a resin adding pipe positioned above and a resin discharging pipe positioned below are arranged on the outer side wall of the bed body, a grid plate positioned below the resin discharging pipe is arranged in the bed body, a feed inlet is arranged at the top of the bed body, a detachable filter assembly is arranged at the discharge hole, the filter assembly comprises a barrel body communicated with the discharge hole, a discharge pipe is arranged at the bottom end of the barrel body, and a filter element and an activated carbon adsorption column are arranged in the barrel body from top to bottom. According to the utility model, through the arrangement of the filter assembly, the deiodinated acetic acid is filtered by the filter assembly and is subjected to peculiar smell adsorption treatment so as to carry out subsequent advanced treatment.

Inventors

  • WU XIANGDONG
  • ZHANG HAILI
  • ZHENG CHENHUI

Assignees

  • 杭州钰龙环境科技有限公司

Dates

Publication Date
20260512
Application Date
20250522

Claims (7)

  1. 1. The acetic acid deiodination skid-mounted equipment comprises a resin bed (100) and is characterized in that the resin bed (100) comprises a bed body (101), a gas phase balance outlet (102) is formed in the top of the bed body (101), a discharge outlet (201) is formed in the bottom of the bed body (101), a resin adding pipe (103) located at the upper position and a resin discharging pipe (104) located at the lower position are arranged on the outer side wall of the bed body (101), a grid plate (210) located below the resin discharging pipe (104) is arranged in the bed body (101), a feed inlet (105) is formed in the top of the bed body (101), a detachable filter assembly (110) is arranged at the discharge outlet (201), the filter assembly (110) comprises a cylinder (111) communicated with the discharge outlet (201), a liquid discharging pipe (301) is arranged at the bottom end of the cylinder (111), and a filter and an activated carbon adsorption column (410) are arranged in the cylinder (111) from top to bottom.
  2. 2. The acetic acid deiodination skid-mounted device of claim 1, wherein openings at two ends of the cylinder body (111) are arranged, a mounting ring (401) is arranged in the cylinder body (111) along the circumference of the cylinder body, the filtering piece is arranged in the cylinder body (111) above the mounting ring (401) in a lifting mode, the activated carbon adsorption column (410) is arranged in the cylinder body (111) below the mounting ring (401), a blocking cover (310) is arranged at the opening at the lower end of the cylinder body (111), and the blocking cover (310) is used for pressing the activated carbon adsorption column (410) on the lower side wall of the mounting ring (401).
  3. 3. The deiodination skid-mounted device for acetic acid of claim 2, wherein the filter comprises a filter frame (420) and a filter screen arranged in the filter frame (420), the filter further comprises a support (430) arranged at an opening at the upper end of the cylinder body (111), a mounting rod (421) penetrating through the support (430) is arranged at the middle part of the upper side surface of the filter frame (420), and nuts (422) are connected at the ends of the mounting rod (421) penetrating through the support (430) in a threaded manner.
  4. 4. The acetic acid deiodination skid-mounted device according to claim 3, wherein a spring (440) for pushing the filter frame (420) to move downwards is sleeved on the mounting rod (421), a rotating shaft (450) which can rotate and penetrates through the activated carbon adsorption column (410) to extend to the position below the filter frame (420) is arranged on the plug cover (310), a driving column (451) is arranged at the top end part of the rotating shaft (450), a supporting rod (501) which is abutted to the upper end face of the driving column (451) is oppositely arranged on the lower side wall of the filter frame (420), a driving groove (601) for enabling the supporting rod (501) to slide in is oppositely arranged at the upper end part of the driving column (451), a driving surface (602) for enabling the supporting rod (501) to slide out of the driving groove (601) is arranged on one side wall of the driving groove (601), and the rotating shaft (450) drives the driving column (451) to rotate so as to realize up-down shaking of the filter frame (420).
  5. 5. The deiodination skid-mounted device for acetic acid of claim 4, wherein a motor (311) for driving the rotating shaft (450) to rotate is arranged on the lower side wall of the blanking cover (310).
  6. 6. The acetic acid deiodination skid-mounted equipment according to claim 2, wherein a detachable connecting cylinder (320) is arranged at the discharge hole (201), a flange part (321) is formed by extending an upper end opening of the connecting cylinder (320) outwards, a threaded connecting part (322) is formed at a lower end opening of the connecting cylinder (320), and the upper end of the cylinder body (111) is in threaded connection with the threaded connecting part (322).
  7. 7. The deiodination acetic acid skid-mounted equipment according to claim 6, wherein the plugging cover (310) is provided with an abutting part (611) extending into the cylinder body (111), and the outer side wall of the cylinder body (111) is provided with a bolt extending into the abutting part (611) in a threaded manner.

Description

Acetic acid deiodination sled dress equipment Technical Field The utility model relates to the technical field of acetic acid deiodination, in particular to acetic acid deiodination skid-mounted equipment. Background At present, in the acetic acid production process, in order to improve the yield and reduce the consumption, a catalyst system is improved, and although the improved catalyst improves the yield and simultaneously reduces the use of the catalyst and raw materials, the iodide content in the finished product is higher. Since iodide ions in acetic acid raw material have an influence on catalyst performance, deiodination treatment of acetic acid raw material is required. In the prior art, the deiodination of acetic acid is usually carried out by using a deiodination resin bed, which mainly utilizes resin to adsorb organic iodine and inorganic iodine in acetic acid so as to realize the deiodination of acetic acid, but when the resin bed is actually operated, the resin is mixed into acetic acid raw materials due to the use of the fallen resin, so that the resin is discharged along with the acetic acid raw materials and enters a subsequent advanced treatment process, and meanwhile, when volatile peculiar smell still exists after deiodination of acetic acid, the volatile peculiar smell is discharged along with the acetic acid raw materials and enters the subsequent advanced treatment process, however, the existence of impurities and the volatile peculiar smell can influence the subsequent advanced treatment. Disclosure of utility model The utility model aims to provide acetic acid deiodination skid-mounted equipment so as to solve the problems in the prior art. In order to achieve the above purpose, the present utility model provides the following technical solutions: The acetic acid deiodination skid-mounted equipment comprises a resin bed, wherein the resin bed comprises a bed body, a gas phase balance outlet is formed in the top of the bed body, a discharge hole is formed in the bottom of the bed body, a resin adding pipe located at the upper position and a resin discharging pipe located at the lower position are arranged on the outer side wall of the bed body, a grid plate located below the resin discharging pipe is arranged in the bed body, a feed inlet is formed in the top of the bed body, a detachable filter assembly is arranged at the discharge hole and comprises a barrel body communicated with the discharge hole, a discharge pipe is arranged at the bottom end of the barrel body, and a filter element and an activated carbon adsorption column are arranged in the barrel body from top to bottom. Further, the opening at both ends of the cylinder body is provided with a mounting ring along the circumference of the cylinder body, the filtering piece is arranged in the cylinder body above the mounting ring in a lifting manner, the activated carbon adsorption column is arranged in the cylinder body below the mounting ring, the opening at the lower end of the cylinder body is provided with a blocking cover, and the blocking cover is used for press-fitting the activated carbon adsorption column on the lower side wall of the mounting ring. Further, the filter piece includes the filter frame and locates the filter screen in the filter frame, and the filter piece still is equipped with the installation pole that passes the support setting including locating the support of barrel upper end opening part in the middle part department of the upside of filter frame, and the tip department threaded connection that the installation pole runs through the support has the nut. The filter frame comprises a filter frame body, a filter frame, a filter rod, a plug cover, a driving column, a driving rod, a driving groove, a driving surface and a rotating shaft, wherein the filter frame body is arranged on the filter rod, the filter rod is arranged on the filter rod in a sleeved mode, the filter rod is pushed to move downwards, the filter rod is rotatably arranged on the plug cover, the rotating shaft penetrates through the activated carbon adsorption column and extends to the position below the filter frame, the driving column is arranged at the top end of the rotating shaft, the lower side wall of the filter frame is oppositely provided with the supporting rod which is abutted to the upper end face of the driving column, the driving groove for the supporting rod to slide in is oppositely arranged at the upper end of the driving column, the driving surface for the supporting rod to slide out of the driving groove is arranged on one side wall of the driving groove, and the rotating shaft drives the driving column to rotate to be used for achieving up-down shaking of the filter frame. Further, a motor for driving the rotating shaft to rotate is arranged on the lower side wall of the blanking cover. Further, a detachable connecting cylinder is arranged at the discharge hole, a flange part is formed by outwards extending the u