CN215311267U

CN215311267U - Energy-saving adsorption equipment

Info

Publication number: CN215311267U
Application number: CN202023212602.3U
Authority: CN
Inventors: 陈强; 何中银; 贾庆广
Original assignee: Zhuhai Senbo Low Temperature Energy Equipment Co ltd
Current assignee: Zhuhai Senbo Low Temperature Energy Equipment Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-12-28
Anticipated expiration: 2030-12-28

Abstract

The utility model belongs to the technical field of temperature swing adsorption, and particularly relates to an energy-saving adsorption device, which adopts the technical scheme that: the drying device comprises an air blower and a raw material gas inlet, wherein the output end of the air blower is fixedly connected with an air inlet pipeline, a first air inlet valve is fixedly installed on the air inlet pipeline, one end, far away from the air blower, of the air inlet pipeline is fixedly connected with a main pipeline and a circulating pipeline, a first circulating valve and a pass valve are fixedly installed on the circulating pipeline, a second air inlet valve is fixedly installed on the main pipeline, the main pipeline is communicated with a drying pipeline, and the drying pipeline is communicated with a U-shaped pipeline, and the drying device has the advantages that: utilize air blower as the regeneration gas, practice thrift 20% raw materials industrial gas, improve the feed gas utilization ratio, the air-blower is the full wind pressure of 20KPa, compares raw materials industrial gas compression 2.5MPa even higher pressure, the device's energy consumption greatly reduced, automated control, complete system opens through PLC control temperature and fan and stops, reduces the manual operation cost.

Description

Energy-saving adsorption equipment

Technical Field

The utility model relates to the technical field of temperature swing adsorption, in particular to an energy-saving adsorption device.

Background

In a traditional industrial gas TSA (temperature swing adsorption) device, compressed feed gas enters a dryer for drying; the dryer comprises two adsorbers filled with molecular sieve, alumina and active carbon. The two adsorbers are switched, and when the adsorber 1 is used for adsorption, the adsorber 2 is regenerated; when the adsorber 1 is saturated, the regeneration of the adsorber 2 is also finished, the two adsorbers are automatically switched, the adsorber 2 adsorbs the wastewater, the adsorber 1 regenerates, and the process is repeated in a circulating way. The regeneration gas of the adsorber is produced by 11 times of dried industrial gas.

In the existing industrial gas TSA (temperature swing adsorption) device, the regenerated gas is the raw material gas after compression and drying treatment, which accounts for about 20 percent of the total raw material gas content, and is equivalent to that 20 percent of the raw material gas does useless work and is wasted.

Therefore, it is necessary to develop an energy-saving adsorption device.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides an energy-saving adsorption device, which improves the utilization rate of raw material gas by setting a blower with 20KPa full wind pressure as regenerated gas, and solves the problems that 20% of raw material gas of the existing industrial gas TSA (temperature swing adsorption) device does useless work and is wasted.

In order to achieve the above purpose, the utility model provides the following technical scheme:

an energy-saving adsorption device comprises an air blower and a raw material gas inlet, wherein an air inlet pipeline is fixedly connected with the output end of the air blower, a first air inlet valve is fixedly installed on the air inlet pipeline, the air inlet pipeline is far away from a main pipeline and a circulating pipeline which are fixedly connected with one end of the air blower, a first circulating valve and a pass valve are fixedly installed on the circulating pipeline, a second air inlet valve is fixedly installed on the main pipeline, the main pipeline is communicated with a drying pipeline, the drying pipeline is communicated with a U-shaped pipeline, a drying valve is fixedly installed on the U-shaped pipeline, the raw material gas inlet is fixedly connected with a three-way pipeline, one end of the three-way pipeline is fixedly connected with a dryer A, one end of the three-way pipeline is fixedly connected with a dryer B, two air inlet material valves are fixedly installed on the three-way pipeline, the three-way pipeline is communicated with an emptying pipeline, a first emptying valve and a second emptying valve are fixedly installed on the emptying pipeline, the output end of the emptying pipeline is fixedly connected with an emptying pipe, the output end of the dryer A is fixedly connected with the input end of the drying pipeline, and the U-shaped pipeline is connected with a raw material gas outlet through a guide pipe.

Preferably, the main pipeline is connected with the circulating pipeline.

Preferably, the dryer a and the dryer B have the same structure.

Preferably, the air inlet pipeline is fixedly provided with an electric heater.

Preferably, two adsorbers are arranged in each of the dryer A and the dryer B, and a molecular sieve, alumina and activated carbon are arranged in each adsorber.

Preferably, the blower is 20KPa full wind pressure.

The utility model has the beneficial effects that:

1. an air blower is used as regeneration gas, so that 20% of raw material industrial gas is saved, and the utilization rate of raw material gas is improved;

2. the blower is 20KPa full wind pressure, compared with the raw material industrial gas compressed by 2.5MPa or even higher pressure, the energy consumption of the device is greatly reduced;

3. the regeneration gas is air and can be directly discharged; compared with the traditional method that the regeneration gas is industrial gas and waste gas, zero emission is achieved;

4. the whole system controls the temperature and the fan to be started and stopped through the PLC, and the manual operation cost is reduced.

5. The device is prized and modularized, the instrument and the electricity are all integrated, and the device can be used after being debugged in a factory and delivered to the field, and is convenient and fast.

Drawings

Fig. 1 is a schematic view of an energy-saving adsorption apparatus provided in the present invention.

In the figure: 1. the drying device comprises a blower 2, a main pipeline 3, a raw material gas inlet 4, a second air inlet valve 5, a drying valve 6, a pass valve 7, a first circulating valve 9, a dryer A10, a dryer B11, a three-way pipeline 12, a first emptying valve 13, a second emptying valve 14, a raw material inlet air valve 15, an emptying pipeline 16, an emptying pipe 17, a U-shaped pipeline 18, a raw material gas outlet 19, a drying pipeline 20, an air inlet pipeline 21, a first air inlet valve 22 and a circulating pipeline 23.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached drawing 1 in the specification, the energy-saving adsorption device of this embodiment includes a blower 2 and a raw material gas inlet 4, an output end of the blower 2 is fixedly connected to an air inlet pipeline 21, an air inlet valve 22 is fixedly installed on the air inlet pipeline 21, one end of the air inlet pipeline 21, which is far away from the blower 2, is fixedly connected to a main pipeline 3 and a circulation pipeline 23, a first circulation valve 9 and a pass valve 7 are fixedly installed on the circulation pipeline 23, an air inlet valve 5 is fixedly installed on the main pipeline 3, the main pipeline 3 is communicated with a drying pipeline 20, the drying pipeline 20 is communicated with a U-shaped pipeline 18, a drying valve 6 is fixedly installed on the U-shaped pipeline 18, the raw material gas inlet 4 is fixedly connected to a three-way pipeline 12, one end of the three-way pipeline 12 is fixedly connected to a dryer a10, one end of the three-way pipeline 12 is fixedly connected to a dryer B11, and two raw material gas inlet valves 15 are fixedly installed on the three-way pipeline 12, the three-way pipeline 12 is communicated with an emptying pipeline 16, a first emptying valve 13 and a second emptying valve 14 are fixedly installed on the emptying pipeline 16, the output end of the emptying pipeline 16 is fixedly connected with an emptying pipe 17, the output end of the dryer A10 is fixedly connected with the input end of the drying pipeline 20, and the U-shaped pipeline 18 is connected with a raw material gas outlet 19 through a guide pipe specification.

Further, the main line 3 is connected to the circulation line 23.

Further, the dryer a10 and the dryer B11 have the same structure.

Further, the electric heater 1 is fixedly mounted on the air inlet pipeline 21.

Furthermore, two adsorbers are arranged in each of the dryer A10 and the dryer B11, and a molecular sieve, alumina and activated carbon are installed in each adsorber.

Further, the blower 2 is at a full wind pressure of 20 KPa.

The implementation scenario is specifically as follows: in the use of the utility model, the raw material gas inlet valve 15 below the dryer A10 is opened, the first emptying valve 13 and the second emptying valve 14 are opened, the raw material gas enters the dryer A10 through the raw material gas inlet 4, more feed gas is discharged via vent line 16 and vent pipe 17, under the influence of the adsorbers inside dryer a10, adsorbing the raw material gas to form dried raw material gas after the adsorption is finished, closing the raw material inlet gas valve 15, opening the drying valve 6 and the raw material inlet gas valve 15 below the dryer B11, and opening a second air inlet valve 5 and a first air inlet valve 22, starting the electric heater 1 and the blower 2, enabling the raw material gas adsorbed in the dryer A10 to enter the U-shaped pipeline 18 through the drying pipeline 20, while the blower 2 sends air into the U-shaped line 18 via the inlet line 21 and the main line 3, air blown by the blower 2 and the raw material gas adsorbed in the dryer A10 are discharged through the raw material gas outlet 19; in the process of adsorbing and discharging the raw material gas by the dryer A10, the raw material gas injected from the raw material gas inlet 4 enters the dryer B11, the dryer in the dryer B11 adsorbs the raw material gas, after the discharge of the raw material gas adsorbed in the dryer A10 is finished, the dryer B11 finishes the adsorption of the raw material gas, and at the moment, the dryer B11 discharges the adsorbed dry gas which is discharged together with the air blown by the blower 2 through the U-shaped pipeline 18 and the raw material gas outlet 19; circulating in this way, the adsorbed raw material gas and the mixed gas blown by the blower 2 are continuously discharged to the raw material gas outlet 19.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. An energy-saving adsorption equipment, includes air-blower (2) and feed gas import (4), its characterized in that: the air blower (2) is characterized in that an output end of the air blower (2) is fixedly connected with an air inlet pipeline (21), a first air inlet valve (22) is fixedly installed on the air inlet pipeline (21), the air inlet pipeline (21) is far away from a main pipeline (3) and a circulating pipeline (23) which are fixedly connected with one end of the air blower (2), a first circulating valve (9) and a pass valve (7) are fixedly installed on the circulating pipeline (23), a second air inlet valve (5) is fixedly installed on the main pipeline (3), the main pipeline (3) is communicated with a drying pipeline (20), the drying pipeline (20) is communicated with a U-shaped pipeline (18), a drying valve (6) is fixedly installed on the U-shaped pipeline (18), a raw material gas inlet (4) is fixedly connected with a three-way pipeline (12), one end of the three-way pipeline (12) is fixedly connected with a dryer A (10), and one end of the three-way pipeline (12) is fixedly connected with a dryer B (11), two raw material air valves (15) of advancing of fixed mounting on three-way pipe way (12), three-way pipe way (12) intercommunication atmospheric pipe way (16), fixed mounting atmospheric valve (13) and atmospheric valve two (14) are gone up in atmospheric pipe way (16), atmospheric pipe way (16) output end fixed connection blow-down pipe (17), desicator A (10) output fixed connection the input of dry pipeline (20), feed gas export (19) are connected through the pipe regulation in U-shaped pipeline (18).

2. The energy-saving adsorption device of claim 1, wherein: the main pipeline (3) is connected with the circulating pipeline (23).

3. The energy-saving adsorption device of claim 1, wherein: the dryer A (10) and the dryer B (11) have the same structure.

4. The energy-saving adsorption device of claim 1, wherein: the air inlet pipeline (21) is fixedly provided with an electric heater (1).

5. The energy-saving adsorption device of claim 1, wherein: two adsorbers are arranged in the dryer A (10) and the dryer B (11), and molecular sieves, alumina and activated carbon are installed in the adsorbers.

6. The energy-saving adsorption device of claim 1, wherein: the blower (2) is under 20KPa full wind pressure.