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CN-224230613-U - Ammonium sulfate drying system

CN224230613UCN 224230613 UCN224230613 UCN 224230613UCN-224230613-U

Abstract

The utility model relates to the technical field of ammonium sulfate production, in particular to an ammonium sulfate drying system. The ammonium sulfate drying system comprises at least two ammonium sulfate drying modules, each ammonium sulfate drying module comprises a saturator and an ammonium sulfate drying discharging component which are communicated, the ammonium sulfate drying system further comprises a switching inflow pipeline, when one ammonium sulfate drying discharging component in one ammonium sulfate drying module stops, the saturator corresponding to the stopped ammonium sulfate drying discharging component is a saturator to be discharged, an inlet of the switching inflow pipeline is detachably connected with an outlet of the saturator to be discharged, and an outlet of the switching inflow pipeline is detachably connected with the ammonium sulfate drying discharging component which is not stopped. According to the ammonium sulfate drying system, ammonium sulfate crystals discharged from the saturator to be discharged are discharged into the ammonium sulfate drying discharging component which is not stopped through the transfer inflow pipeline to be discharged, so that the risk that resistance of the saturator corresponding to the stopped ammonium sulfate drying discharging component rises is avoided, and the production efficiency of the ammonium sulfate drying system is also ensured.

Inventors

  • ZHANG XIAN
  • WANG ZHI

Assignees

  • 江苏沙钢钢铁有限公司
  • 江苏沙钢集团有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (10)

  1. 1. The ammonium sulfate drying system is characterized by comprising at least two ammonium sulfate drying modules (1), wherein each ammonium sulfate drying module (1) comprises a saturator (11) and an ammonium sulfate drying discharging assembly (12) which are communicated with each other; The ammonium sulfate drying system further comprises a transfer inflow pipeline (2), when one of the ammonium sulfate drying discharging components (12) in the ammonium sulfate drying module (1) is stopped, the saturator (11) corresponding to the stopped ammonium sulfate drying discharging component (12) is a saturator to be discharged, an inlet of the transfer inflow pipeline (2) is detachably connected with an outlet of the saturator to be discharged, and an outlet of the transfer inflow pipeline (2) is detachably connected with the non-stopped ammonium sulfate drying discharging component (12).
  2. 2. The ammonium sulfate drying system according to claim 1, wherein the ammonium sulfate drying outfeed assembly (12) comprises: A crystallization tank group (121), wherein the crystallization tank group (121) comprises at least two crystallization tanks (1211) which are independently arranged, each crystallization tank (1211) is communicated with the saturator (11), and when the ammonium sulfate drying discharging assembly (12) in one ammonium sulfate drying module (1) is stopped, the outlet of the switching inflow pipeline (2) is detachably connected with the crystallization tank group (121) in the ammonium sulfate drying discharging assembly (12) which is not stopped; a centrifuge (122), each crystallization tank (1211) is communicated with the centrifuge (122); And the discharging machine (123) is communicated with the centrifugal machine (122).
  3. 3. The ammonium sulfate drying system according to claim 2, wherein the crystallization tank group (121) further comprises: A first valve group (1212), when the ammonium sulfate drying discharging assembly (12) in one of the ammonium sulfate drying modules (1) is stopped, the outlet of the transfer inflow pipeline (2) is detachably connected with the first valve group (1212) in the ammonium sulfate drying discharging assembly (12) which is not stopped; -a crystallization delivery manifold (1213), the inlet of the crystallization delivery manifold (1213) being in communication with the saturator (11), the outlet of the crystallization delivery manifold (1213) being in communication with the first valve block (1212); And the inlet of each crystallization groove (1211) is communicated with the crystallization conveying branch pipe (1214), and the inlet of each crystallization conveying branch pipe (1214) is communicated with the first valve group (1212).
  4. 4. The ammonium sulfate drying system according to claim 2, wherein the ammonium sulfate drying outfeed assembly (12) further comprises a first return line (124), an inlet of the first return line (124) being in communication with the crystallization tank group (121), an outlet of the first return line (124) being in communication with the saturator (11); The ammonium sulfate drying system further comprises a first transfer return pipeline (3), when one of the ammonium sulfate drying modules (1) is stopped, an inlet of the first transfer return pipeline (3) is detachably connected with the crystallization tank group (121) in the ammonium sulfate drying discharging module (12) which is not stopped, and an outlet of the first transfer return pipeline (3) is communicated with the to-be-discharged saturator.
  5. 5. Ammonium sulphate drying system according to claim 4, wherein the first transfer return line (3) is provided with a first return pump (31).
  6. 6. The ammonium sulfate drying system according to claim 4, wherein the first return line (124) comprises: A second valve group (1241), when the ammonium sulfate drying discharge assembly (12) in one of the ammonium sulfate drying modules (1) is stopped, the inlet of the first transfer return line (3) is detachably connected with the second valve group (1241) in the ammonium sulfate drying discharge assembly (12) which is not stopped; -a first return manifold (1242), the outlet of said first return manifold (1242) being in communication with said saturator (11), the inlet of said first return manifold (1242) being in communication with said second valve block (1241); And the reflux ports of the crystallization tanks (1211) are communicated with the first reflux branch pipes (1243), and the outlets of the first reflux branch pipes (1243) are communicated with the second valve group (1241).
  7. 7. The ammonium sulfate drying system according to any one of claims 2-6, wherein the ammonium sulfate drying discharge assembly (12) further comprises a second return line (125), an inlet of the second return line (125) is in communication with the centrifuge (122), and an outlet of the second return line (125) is in communication with the saturator (11); the ammonium sulfate drying system further comprises a second transfer return pipeline (4), when one of the ammonium sulfate drying modules (1) is stopped, an inlet of the second transfer return pipeline (4) is detachably connected with the centrifugal machine (122) in the ammonium sulfate drying discharging module (12) which is not stopped, and an outlet of the second transfer return pipeline (4) is communicated with the to-be-discharged saturator.
  8. 8. Ammonium sulphate drying system according to claim 7 wherein a second return pump (41) is provided on the second transfer return line (4).
  9. 9. The ammonium sulfate drying system according to claim 7, wherein the second return line (125) comprises: A third valve group (1251), when the ammonium sulfate drying discharging assembly (12) in one of the ammonium sulfate drying modules (1) is stopped, the inlet of the second transfer return line (4) is detachably connected with the third valve group (1251) in the ammonium sulfate drying discharging assembly (12) which is not stopped; -a second return manifold (1252), the outlet of the second return manifold (1252) being in communication with the saturator (11), the inlet of the second return manifold (1252) being in communication with the third valve train (1251); And the return ports of the centrifuges (122) are communicated with the second return branch pipes (1253), and the outlet of each second return branch pipe (1253) is communicated with the third valve group (1251).
  10. 10. The ammonium sulfate drying system according to any one of claims 1 to 6, wherein the transfer inflow pipe (2) is provided with a transfer pump (21).

Description

Ammonium sulfate drying system Technical Field The utility model relates to the technical field of ammonium sulfate production, in particular to an ammonium sulfate drying system. Background In the related art, in the process of producing ammonium sulfate, the mother liquor passes through a saturator to generate ammonium sulfate crystals, and then the ammonium sulfate crystals generated in the saturator are introduced into an ammonium sulfate drying discharging component, and the ammonium sulfate crystals are dried and output through the ammonium sulfate drying discharging component. However, the ammonium sulfate drying discharging assembly is frequently required to be shut down for maintenance, and at the moment, the ammonium sulfate drying discharging assembly cannot normally discharge, so that the resistance of a saturator corresponding to the ammonium sulfate drying discharging assembly is increased, the system safety is affected, and if the saturator corresponding to the ammonium sulfate drying discharging assembly is shut down, the production efficiency is reduced, and gas with higher ammonia content enters a downstream crude benzene working section, so that the crude benzene working section system wash oil is emulsified, and the normal production operation is affected. Thus, there is a need for an ammonium sulfate drying system that addresses the above-described problems. Disclosure of utility model The utility model aims to provide an ammonium sulfate drying system, which is used for avoiding the risk of resistance rising of a saturator corresponding to an ammonium sulfate drying discharging component which is stopped, improving the safety, ensuring the production efficiency of the ammonium sulfate drying system and ensuring the normal production operation. To achieve the purpose, the utility model adopts the following technical scheme: The ammonium sulfate drying system comprises at least two ammonium sulfate drying modules, wherein each ammonium sulfate drying module comprises a saturator and an ammonium sulfate drying discharging component which are communicated with each other; The ammonium sulfate drying system further comprises a transfer inflow pipeline, when one ammonium sulfate drying discharging assembly in one ammonium sulfate drying module is stopped, the saturator corresponding to the stopped ammonium sulfate drying discharging assembly is a saturator to be discharged, an inlet of the transfer inflow pipeline is detachably connected with an outlet of the saturator to be discharged, and an outlet of the transfer inflow pipeline is detachably connected with the ammonium sulfate drying discharging assembly which is not stopped. Alternatively, the ammonium sulfate drying discharging assembly comprises: The crystallization tank group comprises at least two crystallization tanks which are independently arranged, each crystallization tank is communicated with the saturator, and when the ammonium sulfate drying discharging assembly in one ammonium sulfate drying module is stopped, the outlet of the transfer inflow pipeline is detachably connected with the crystallization tank group in the ammonium sulfate drying discharging assembly which is not stopped; Each crystallization tank is communicated with the centrifugal machine; and the discharging machine is communicated with the centrifugal machine. Alternatively, the crystallization tank group further includes: when the ammonium sulfate drying discharging assembly in one ammonium sulfate drying module is stopped, the outlet of the transfer inflow pipeline is detachably connected with the first valve group in the ammonium sulfate drying discharging assembly which is not stopped; The inlet of the crystallization conveying main pipe is communicated with the saturator, and the outlet of the crystallization conveying main pipe is communicated with the first valve group; The inlet of each crystallization tank is communicated with the crystallization conveying branch pipe, and the inlet of each crystallization conveying branch pipe is communicated with the first valve group. As an alternative scheme, the ammonium sulfate drying discharging assembly further comprises a first return pipeline, wherein an inlet of the first return pipeline is communicated with the crystallization tank group, and an outlet of the first return pipeline is communicated with the saturator; The ammonium sulfate drying system further comprises a first transfer return pipeline, when one of the ammonium sulfate drying modules is stopped, an inlet of the first transfer return pipeline is detachably connected with the crystallization tank group in the ammonium sulfate drying discharging component which is not stopped, and an outlet of the first transfer return pipeline is communicated with the to-be-discharged saturator. Alternatively, the first return line is provided with a first return pump. Alternatively, the first return line includes: the inlet of the first transfer return pip