Waste heat utilization type acetone mixed gas adsorption device

Abstract

A waste heat utilization type acetone mixed gas adsorption device comprises a breather pipe and a water storage pond, the breather pipe is provided with a plurality of supporting pieces, a heat preservation sleeve and a mounting base structure, the mounting base structure is provided with an adsorption unit detachably matched with the mounting base structure, a heat exchange pipe spirally wrapping the outer side of the breather pipe is arranged in the heat preservation sleeve, one end of the heat exchange pipe is connected with a water inlet pipe, and the other end of the heat exchange pipe is connected with a water outlet pipe. The other end of the heat exchange pipe is connected with the water storage tank through a water outlet pipe; and a water pump structure is arranged on the water inlet pipe. By adopting the structure, the acetone mixed gas is heated by waste heat of condensed water generated in the desorption process when acetone is recycled, so that the temperature of the acetone mixer reaches the standard before the acetone mixer enters the adsorption section, and the acetone adsorption and recycling efficiency is remarkably improved; the adsorption structure is convenient to replace, tight in installation and connection and free of air leakage, and the acetone recovery efficiency is remarkably improved; the device is simple and reasonable in overall structure, waste heat is utilized, energy is saved, acetone recovery efficiency is high, machining cost is remarkably reduced, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of acetone gas recovery equipment, in particular to a waste heat utilization type acetone mixed gas adsorption device. Background Art

[0002] Traditional methods for treating acetone mixed gas (VLA gas for short) mostly use combustion or direct emission, which not only wastes precious chemical resources, but also causes serious environmental pollution. In the prior art, when the ambient temperature is low, the temperature of VLA gas is generally below 38 degrees, while the optimal temperature for activated carbon adsorption is usually 38-42 degrees, which leads to a decrease in the adsorption capacity of activated carbon for acetone.

[0003] At the same time, after acetone adsorption, it needs to undergo steam analysis to obtain a dilute acetone solution, and then after distillation and purification, the acetone of qualified purity can be recovered for use in the preparation of acetate fiber. After steam analysis, condensed water will be discharged, and the temperature of the condensed water is usually around 90 degrees. It is usually discharged directly, wasting waste heat. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a waste heat utilization type acetone mixed gas adsorption device, which utilizes the waste heat of condensed water generated in the analytical process when recovering acetone to heat the acetone mixed gas, ensures that the temperature of the acetone mixer reaches the standard before entering the adsorption section, and significantly improves the acetone adsorption recovery efficiency; the adsorption structure is easy to replace, the installation connection is tight, and there is no air leakage, which significantly improves the acetone recovery efficiency; the overall structure of the device is simple and reasonable, the waste heat utilization saves energy, the acetone recovery efficiency is high, the processing cost is significantly reduced, and the practicability is strong.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a waste heat utilization type acetone mixed gas adsorption device, including a vent pipe and a water storage tank, the vent pipe is provided with a plurality of support members, a thermal insulation sleeve and a mounting seat structure, the mounting seat structure is provided with an adsorption unit that is detachably matched with the vent pipe, a heat exchange pipe spirally wrapped around the outside of the vent pipe is provided in the thermal insulation sleeve, one end of the heat exchange pipe is connected to a water inlet pipe, the other end of the heat exchange pipe is connected to a water storage tank through a water outlet pipe, and a water pump structure is provided on the water inlet pipe.

[0006] In the preferred embodiment, the adsorption unit includes an adsorption tube connected to the ventilation pipe, fixed connecting heads are symmetrically provided at both ends of the adsorption tube, a filter cartridge matching with the adsorption tube is provided inside the adsorption tube, a mounting ring matching with the filter cartridge is provided at one end of the filter cartridge, a ventilation top cover is provided at the other end of the filter cartridge, and an activated carbon adsorption unit is provided inside the filter cartridge.

[0007] In a preferred solution, the ventilation top cover is provided with a matching lifting handle.

[0008] In a preferred solution, the filter cartridge is symmetrically provided with positioning and mounting strips, which cooperate with the positioning and mounting grooves provided on the inner wall of the adsorption tube.

[0009] In a preferred solution, an airtight strip is provided on the fixed connecting head.

[0010] In a preferred embodiment, the mounting seat structure includes a base, on which support arms are symmetrically arranged, one side of the support arm is connected to one end of a fixed arc plate through a hinge structure, and the other end of the fixed arc plate is locked with the other side of the support arm through a locking piece, and both the support arm and the fixed arc plate are provided with fixed ring grooves that cooperate with the fixed connector.

[0011] In a preferred embodiment, a gas composition detector is provided at the gas outlet end of the ventilation pipe.

[0012] The waste heat utilization type acetone mixed gas adsorption device provided by the utility model has the following beneficial effects by adopting the above structure:

[0013] (1) The waste heat of condensed water generated during the analysis process when recovering acetone is used to heat the acetone mixed gas, ensuring that the temperature of the acetone mixer reaches the standard before entering the adsorption section, significantly improving the acetone adsorption recovery efficiency;

[0014] (2) The adsorption structure is easy to replace, the installation connection is tight, and there is no leakage, which significantly improves the acetone recovery efficiency;

[0015] (3) The overall structure of the device is simple and reasonable, waste heat utilization saves energy, acetone recovery efficiency is high, processing costs are significantly reduced, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the adsorption unit of the utility model.

[0021] Figure 5 It is a schematic diagram of the structure of the adsorption unit of the utility model.

[0022] Figure 6 It is a schematic diagram of the mounting seat structure of the utility model.

[0023] In the figure: ventilation pipe 1, water storage tank 2, support member 3, insulation sleeve 4, adsorption unit 5, mounting seat structure 6, gas composition detector 7, water inlet pipe 8, heat exchange pipe 9, water outlet pipe 10, water pump structure 11, adsorption tube 12, fixed connector 13, positioning mounting groove 14, filter cartridge 15, positioning mounting strip 16, mounting ring 17, ventilation top cover 18, lifting handle 19, activated carbon adsorption unit 20, airtight strip 21, base 22, support arm 23, hinge structure 24, fixed arc plate 25, locking member 26, fixed ring groove 27. DETAILED DESCRIPTION

[0024] like Figure 1-6 In the invention, a waste heat utilization type acetone mixed gas adsorption device comprises a vent pipe 1 and a water storage tank 2, wherein the vent pipe 1 is provided with a plurality of support members 3, a heat preservation sleeve 4 and a mounting seat structure 6, the mounting seat structure 6 is provided with an adsorption unit 5 which is detachably matched with the vent pipe 1, a heat exchange pipe 9 which is spirally wrapped around the outside of the vent pipe 1 is provided in the heat preservation sleeve 4, one end of the heat exchange pipe 9 is connected to a water inlet pipe 8, and the other end of the heat exchange pipe 9 is connected to the water storage tank 2 through a water outlet pipe 10, and a water pump structure 11 is provided on the water inlet pipe 8.

[0025] In a preferred embodiment, the adsorption unit 5 includes an adsorption tube 12 connected with the ventilation tube 1, fixed connectors 13 are symmetrically arranged at both ends of the adsorption tube 12, a filter cartridge 15 matched therewith is arranged inside the adsorption tube 12, a mounting ring 17 matched therewith is arranged at one end of the filter cartridge 15, a ventilation top cover 18 is arranged at the other end of the filter cartridge 15, and an activated carbon adsorption unit 20 is arranged inside the filter cartridge 15. The adsorption structure is easy to replace, and the acetone recovery efficiency is significantly improved.

[0026] In the preferred solution, the ventilation top cover 18 is provided with a pull handle 19 matched therewith, which is convenient for loading and unloading and has strong practicality.

[0027] In a preferred solution, the filter cartridge 15 is symmetrically provided with positioning and mounting strips 16, which are matched with positioning and mounting grooves 14 provided on the inner wall of the adsorption tube 12. The mounting is stable and practical.

[0028] In a preferred solution, the fixed connector 13 is provided with an airtight strip 21, which improves airtightness and is highly practical.

[0029] In the preferred solution, the mounting seat structure 6 includes a base 22, on which a support arm 23 is symmetrically provided, one side of the support arm 23 is connected to one end of a fixed arc plate 25 through a hinge structure 24, and the other end of the fixed arc plate 25 is locked and matched with the other side of the support arm 23 through a locking member 26, and both the support arm 23 and the fixed arc plate 25 are provided with a fixed ring groove 27 matched with the fixed connector 13. It is convenient to install and replace, the fixation is firm and stable, and the practicability is strong.

[0030] In a preferred embodiment, a gas component detector 7 is provided at the gas outlet end of the vent pipe 1, so as to facilitate the detection of gas components in the tail gas and timely replace the adsorption unit 5 to ensure a good acetone adsorption effect.

[0031] The method of using the utility model is as follows: high-temperature condensed water is pumped into the heat exchange tube 9 through the water pump structure 11, the heat exchange tube 9 is wrapped around the outer wall of the ventilation tube 1 to heat this section of the ventilation tube 1, and the acetone mixed gas is introduced through the air inlet end of the ventilation tube 1, and the temperature is in the range of 38-42 degrees after passing through the heating section, and then enters the adsorption unit 5 to absorb the acetone adsorbed by the activated carbon adsorption unit 20, and the remaining tail gas is discharged from the outlet end of the ventilation tube 1, and the gas component detector 7 monitors the tail gas composition. When the acetone component in the tail gas is too high, the adsorption unit 5 can be replaced in time.

[0032] The utility model has the following beneficial effects: the waste heat of condensed water generated in the analytical process when recovering acetone is used to heat the acetone mixed gas, ensuring that the temperature of the acetone mixer reaches the standard before entering the adsorption section, and significantly improving the acetone adsorption recovery efficiency; the adsorption structure is easy to replace, the installation connection is tight, and there is no air leakage, which significantly improves the acetone recovery efficiency; the overall structure of the device is simple and reasonable, the waste heat utilization saves energy, the acetone recovery efficiency is high, the processing cost is significantly reduced, and the practicability is strong.

Claims

1. A waste heat utilization type acetone mixed gas adsorption device, comprising a vent pipe (1) and a water storage tank (2), characterized in that: The ventilation pipe (1) is provided with a plurality of support members (3), a heat-insulating sleeve (4) and a mounting seat structure (6); the mounting seat structure (6) is provided with an adsorption unit (5) that is detachably matched therewith; a heat-exchange pipe (9) is provided in the heat-insulating sleeve (4) and is spirally wrapped around the outside of the ventilation pipe (1); one end of the heat-exchange pipe (9) is connected to a water inlet pipe (8); the other end of the heat-exchange pipe (9) is connected to a water storage tank (2) via a water outlet pipe (10); and a water pump structure (11) is provided on the water inlet pipe (8).

2. The waste heat utilization type acetone mixed gas adsorption device according to claim 1, characterized in that: The adsorption unit (5) comprises an adsorption tube (12) connected to and matched with the ventilation tube (1), fixed connectors (13) are symmetrically provided at both ends of the adsorption tube (12), a filter cartridge (15) matched therewith is provided inside the adsorption tube (12), a mounting ring (17) matched therewith is provided at one end of the filter cartridge (15), a ventilation top cover (18) is provided at the other end of the filter cartridge (15), and an activated carbon adsorption unit (20) is provided inside the filter cartridge (15).

3. The waste heat utilization type acetone mixed gas adsorption device according to claim 2, characterized in that: The ventilation top cover (18) is provided with a lifting handle (19) that cooperates therewith.

4. The waste heat utilization type acetone mixed gas adsorption device according to claim 2, characterized in that: The filter cartridge (15) is symmetrically provided with positioning and mounting strips (16), which cooperate with positioning and mounting grooves (14) provided on the inner wall of the adsorption tube (12).

5. The waste heat utilization type acetone mixed gas adsorption device according to claim 2, characterized in that: The fixed connector (13) is provided with an airtight strip (21).

6. The waste heat utilization type acetone mixed gas adsorption device according to claim 1, characterized in that: The mounting seat structure (6) comprises a base (22), and a support arm (23) is symmetrically provided on the base (22), one side of the support arm (23) is connected to one end of a fixed arc plate (25) via a hinge structure (24), and the other end of the fixed arc plate (25) is locked with the other side of the support arm (23) via a locking member (26), and a fixed ring groove (27) that cooperates with the fixed connector (13) is provided on the support arm (23) and the fixed arc plate (25).

7. The waste heat utilization type acetone mixed gas adsorption device according to claim 1, characterized in that: A gas composition detector (7) is provided at the gas outlet end of the ventilation pipe (1).

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