CN-224220784-U - Heat preservation extraction intermediate layer storage tank

CN224220784UCN 224220784 UCN224220784 UCN 224220784UCN-224220784-U

Abstract

The utility model relates to the technical field of extraction equipment of a packed tower, and particularly discloses a heat-insulating extraction interlayer storage tank which comprises an extraction tank, an air inlet pipe and a liquid outlet pipe which are arranged at the bottom of the outer wall of the extraction tank, an air outlet pipe arranged at the top of the extraction tank, a liquid inlet pipe arranged at the outer wall of the extraction tank, and two packing layers arranged in the extraction tank, wherein a heat-insulating bin is arranged in a jacket of the extraction tank, a spiral guide pipe spirally coiled on the inner wall of the heat-insulating bin is fixedly arranged in the heat-insulating bin, two ends of the spiral guide pipe are respectively connected with an inlet pipe and an outlet pipe, packing coils are arranged in the two packing layers, and the two packing layers are indirectly and directly heated by a heating medium to eliminate local temperature difference, and a plate heat exchanger is used for recovering waste heat to form a closed cycle, so that the flow direction of the heating medium is dynamically regulated according to temperature data, thereby realizing efficient mass transfer, energy conservation, consumption reduction and multi-stage temperature control adaptation, and remarkable improvement of the extraction effect and high flexibility.

Inventors

CAI YIWEI
CHEN SHIQING
YU YU
Xu Shunyang

Assignees

无锡市申京化工设备有限公司

Dates

Publication Date: 20260512
Application Date: 20250528

Claims (6)

1. The heat-preservation extraction interlayer storage tank comprises an extraction tank (1), an air inlet pipe (101) and a liquid outlet pipe (105) which are arranged at the bottom of the outer wall of the extraction tank (1), an air outlet pipe (102) arranged at the top of the extraction tank (1) and a liquid inlet pipe (104) arranged at the outer wall of the extraction tank, and two packing layers (103) arranged inside the extraction tank (1), and is characterized in that a heat preservation bin (2) is arranged in a jacket of the extraction tank (1), a spiral guide pipe (201) which is spirally coiled on the inner wall of the heat preservation bin (2) is fixedly arranged inside the heat preservation bin (2), and two ends of the spiral guide pipe (201) are respectively connected with a water inlet pipe (4) and a water outlet pipe (5); The inside of the two packing layers (103) is provided with packing coils (6), the two packing coils (6) are communicated through a connecting pipe (601), and an inlet and an outlet of each packing coil (6) are respectively connected with a water inlet pipe (4) and a water outlet pipe (5); The outside of the extraction tank (1) is provided with a heat exchange mechanism.
2. The heat preservation extraction interlayer storage tank of claim 1, wherein the heat exchange mechanism comprises a plate heat exchanger (7) connected with the water outlet end of the water outlet pipe (5), a water drainage pipeline after heat exchange of the plate heat exchanger (7) is connected with a booster pump (801), the booster pump (801) is used for improving heat medium circulation pressure, the output end of the booster pump is communicated with a water pipe (8), and the other end of the water pipe (8) is communicated with the water inlet pipe (4).
3. The heat preservation extraction interlayer storage tank of claim 2, wherein the water pipe (8) is a three-way pipe, a temperature sensor (802) is arranged on the outer wall of the water pipe (8), and a probe of the temperature sensor (802) extends to the inside of the water pipe (8).
4. The heat preservation extraction interlayer storage tank of claim 1, wherein a heat preservation sleeve (3) opposite to the heat preservation bin (2) is fixedly sleeved on the outer side wall of the extraction tank (1), and heat preservation cotton (301) is filled in the heat preservation sleeve (3).
5. The heat-insulating extraction interlayer storage tank of claim 1, wherein the other ends of the water inlet pipe (4) and the water outlet pipe (5) extend to the outside of the extraction tank (1), the other ends of the two coils (6) are respectively communicated with the water inlet pipe (4) and the water outlet pipe (5) through pipelines, and an electromagnetic flow valve (401) is arranged on the outer side wall of the water inlet pipe (4).
6. The heat preservation extraction interlayer storage tank of claim 2, wherein a first electromagnetic valve (803) is arranged on the outer side wall of one end, connected with the water inlet pipe (4), of the water pipe (8), and a second electromagnetic valve is arranged outside the other end of the water pipe (8).

Description

Heat preservation extraction intermediate layer storage tank Technical Field The utility model relates to the field of extraction equipment of packed towers, and particularly discloses a heat-preservation extraction interlayer storage tank. Background In various industrial fields such as chemical industry, food, pharmacy and the like, the extraction operation is used as a key separation means, and has important influence on production efficiency, product quality and energy consumption. Conventional extraction equipment uses only simple jacket heating or a single internal coil heating for heat transfer purposes in many extraction units. The single heating way cannot ensure the temperature uniformity in the extraction tank, particularly in a large storage tank, the packing layer only depends on the flowing heat transfer of a solvent, and lacks a direct temperature control means, so that the mass transfer efficiency is reduced, the extraction time is prolonged, and some thermosensitive components are possibly damaged due to overhigh or overlow local temperature, so that the extraction effect and the product quality are seriously affected, and most traditional extraction equipment are not integrated with a waste heat recovery device, waste heat media is directly discharged, and the heat energy utilization rate is insufficient, so that the improvement is needed. Disclosure of utility model The utility model provides a heat-preserving extraction interlayer storage tank, which has the characteristics of eliminating local temperature difference by dividing a heating medium into two paths of indirect and direct heating, recovering waste heat by a plate heat exchanger to form closed circulation, dynamically regulating the flow direction of the heating medium according to temperature data, realizing efficient mass transfer, energy conservation and consumption reduction, realizing multi-stage temperature control adaptation, obviously improving the extraction effect and having high flexibility. The utility model discloses a heat-insulating extraction interlayer storage tank, which comprises an extraction tank, an air inlet pipe and an air outlet pipe which are arranged at the bottom of the outer wall of the extraction tank, an air outlet pipe which is arranged at the top of the extraction tank, an outer wall liquid inlet pipe, and two packing layers which are arranged in the extraction tank, wherein a heat-insulating bin is arranged in a jacket of the extraction tank, a spiral guide pipe which is spirally wound on the inner wall of the heat-insulating bin is fixedly arranged in the heat-insulating bin, and two ends of the spiral guide pipe are respectively connected with an inlet pipe and an outlet pipe; The inside of the two packing layers is provided with packing coils, the two packing coils are communicated through a connecting pipe, and an inlet and an outlet of the packing coils are respectively connected with a water inlet pipe and a water outlet pipe; The outside of extraction jar is provided with heat transfer mechanism. As the heat-preservation extraction interlayer storage tank is preferable, the heat exchange mechanism comprises a plate heat exchanger connected with the water outlet end of the water outlet pipe, a water discharge pipeline after heat exchange of the plate heat exchanger is connected with a booster pump, the booster pump is used for boosting the circulation pressure of a heating medium, the output end of the booster pump is communicated with a water pipe, and the other end of the water pipe is communicated with the water inlet pipe. As the heat-preservation extraction interlayer storage tank, the water pipe is preferably a three-way pipe, the outer wall of the water pipe is provided with a temperature sensor, and a probe of the temperature sensor extends to the inside of the water pipe. As the heat-insulating extraction interlayer storage tank is preferable, the outer side wall of the extraction tank is fixedly sleeved with a heat-insulating sleeve which is opposite to the heat-insulating bin in position, and heat-insulating cotton is filled in the heat-insulating sleeve. As the heat-insulating extraction interlayer storage tank is preferable, the other ends of the water inlet pipe and the water outlet pipe extend to the outside of the extraction tank, the other ends of the two coils are respectively communicated with the water inlet pipe and the water outlet pipe through pipelines, and the outer side wall of the water inlet pipe is provided with an electromagnetic flow valve. As the heat-insulating extraction interlayer storage tank, preferably, the outer side wall of one end of the water pipe connected with the water inlet pipe is provided with a first electromagnetic valve, and the outer part of the other end of the water pipe is provided with a second electromagnetic valve. The beneficial effects of the utility model are as follows: 1. Through dividing the heating medium into two paths and