阅读说明：本技术 一种节能型碳载脱氧纯化装置 (Energy-saving carbon-supported deoxidation purification device ) 是由 尹跃青 丁亮 于 2020-05-12 设计创作，主要内容包括：本发明公开了一种节能型碳载脱氧纯化装置,包括脱氧组件以及纯化组件；其中：所述脱氧组件包括依次连接的热交换器、加热器以及脱氧塔,所述脱氧塔的出口端与所述热交换器的入口端连接；所述纯化组件包括依次连接的冷却器、干燥器以及过滤器,所述冷却器的入口端与所述热交换器的出口端连接。本发明结构简单,相较于传统的碳载脱氧纯化工艺,大大简化了工艺流程,同时,能够将脱氧反应产生的热量集中利用,不会出现热量的流失,减少了能源的消耗,大大提高了热量的利用率,并且,再生组件能够快速将干燥器内的水分去除,提高效率。(The invention discloses an energy-saving carbon-supported deoxidation purification device, which comprises a deoxidation component and a purification component, wherein the deoxidation component is arranged on a support; wherein: the deoxidation component comprises a heat exchanger, a heater and a deoxidation tower which are connected in sequence, wherein the outlet end of the deoxidation tower is connected with the inlet end of the heat exchanger; the purification assembly comprises a cooler, a dryer and a filter which are connected in sequence, and the inlet end of the cooler is connected with the outlet end of the heat exchanger. Compared with the traditional carbon-supported deoxidation purification process, the process flow is greatly simplified, meanwhile, the heat generated by the deoxidation reaction can be utilized in a centralized manner, the heat loss is avoided, the energy consumption is reduced, the heat utilization rate is greatly improved, and the regeneration assembly can quickly remove the moisture in the dryer and improve the efficiency.)

1. An energy-saving carbon-supported deoxidation purification device is characterized by comprising a deoxidation component and a purification component; wherein:

the deoxidation component comprises a heat exchanger, a heater and a deoxidation tower which are connected in sequence, wherein the outlet end of the deoxidation tower is connected with the inlet end of the heat exchanger;

the purification assembly comprises a cooler, a dryer and a filter which are connected in sequence, and the inlet end of the cooler is connected with the outlet end of the heat exchanger.

2. The energy-saving carbon-supported deoxidation and purification device according to claim 1, wherein a heat pipe is arranged in the heat exchanger, and the heat exchanger is provided with a mixed gas inlet and a mixed gas outlet.

3. The energy-saving carbon-supported deoxidation and purification device according to claim 2, wherein the heat transfer pipe is a stainless steel seamless pipe.

4. The energy-saving carbon-supported deoxidation and purification device according to claim 1, wherein a carbon-supported deoxidizer is arranged in the deoxidation tower.

5. The energy-saving carbon-supported deoxidation purification device according to claim 4, wherein the number of the deoxidation towers is two and the deoxidation towers are used alternately.

6. The energy-saving carbon-supported deoxidation and purification device as claimed in claim 1, wherein a drying agent is provided in the dryer.

7. The energy-saving carbon-supported deoxidation purification device according to claim 6, wherein the number of the dryers is two and the dryers are used alternately.

8. The energy-saving carbon-supported deoxidation and purification device according to claim 1, wherein a non-woven fabric is arranged in the filter.

9. The energy-saving carbon-supported deoxygenation and purification device of claim 1, further comprising a regeneration component; the regeneration assembly comprises a regeneration flow meter, a regeneration air inlet valve and a regeneration air outlet valve; the regeneration flowmeter is connected with the outlet end of the filter, the regeneration air inlet valve is connected with the regeneration flowmeter, the regeneration air inlet valve and the regeneration air outlet valve are respectively located at two ends of the dryer, and an air outlet pipe is arranged at one end of the regeneration air outlet valve.

10. The energy-saving carbon-supported deoxidation purification device according to claim 1, wherein the outlet end of the filter is provided with an outlet flow meter.

Technical Field

The invention belongs to the technical field of gas treatment, and particularly relates to an energy-saving carbon-supported deoxidation and purification device.

Background

The traditional carbon-carried deoxidation purification process is a process of taking a carbon-carried deoxidizer as a carrier and purifying inert gas with the oxygen content of about 0.1 percent to protective gas with the oxygen content of less than 1 PPM. The flow is shown in figure 1, from the whole process, the main energy consumption of the equipment is a heating system and a cooling system, the analysis of the operation process of the equipment shows that once the deoxidizer reacts with oxygen in the feed gas, the deoxidizer does not need to provide too much heat, the reaction is an exothermic reaction process, the heat generated by the deoxidation reaction is basically directly dissipated, the deoxidizer is not effectively utilized, and meanwhile, the traditional process flow has more complicated steps and more energy consumption.

Disclosure of Invention

The invention overcomes the defects of the prior art and provides an energy-saving carbon-supported deoxidation and purification device to solve the problems in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: an energy-saving carbon-supported deoxidation purification device comprises a deoxidation component and a purification component; wherein: the deoxidation component comprises a heat exchanger, a heater and a deoxidation tower which are connected in sequence, wherein the outlet end of the deoxidation tower is connected with the inlet end of the heat exchanger; the purification assembly comprises a cooler, a dryer and a filter which are connected in sequence, and the inlet end of the cooler is connected with the outlet end of the heat exchanger.

In a preferred embodiment of the present invention, a heat conducting pipe is disposed in the heat exchanger, and the heat exchanger is provided with a mixture inlet and a mixture outlet.

In a preferred embodiment of the present invention, the heat conducting pipe is a stainless seamless pipe.

In a preferred embodiment of the invention, a carbon-supported deoxidizer is arranged in the deoxidizing tower.

In a preferred embodiment of the present invention, the number of the deoxygenation towers is two and the towers are alternately used.

In a preferred embodiment of the present invention, a drying agent is disposed in the dryer.

In a preferred embodiment of the present invention, the number of the dryers is two and the dryers are alternately used.

In a preferred embodiment of the present invention, a non-woven fabric is disposed in the filter.

In a preferred embodiment of the present invention, the apparatus further comprises a regeneration assembly; the regeneration assembly comprises a regeneration flow meter, a regeneration air inlet valve and a regeneration air outlet valve; the regeneration flowmeter is connected with the outlet end of the filter, the regeneration air inlet valve is connected with the regeneration flowmeter, the regeneration air inlet valve and the regeneration air outlet valve are respectively located at two ends of the dryer, and an air outlet pipe is arranged at one end of the regeneration air outlet valve.

In a preferred embodiment of the invention, the outlet end of the filter is provided with an outlet flow meter.

The invention solves the defects in the background technology, and has the following beneficial effects:

compared with the traditional carbon-supported deoxidation purification process, the process flow is greatly simplified, meanwhile, the heat generated by the deoxidation reaction can be utilized in a centralized manner, the heat loss is avoided, the energy consumption is reduced, the heat utilization rate is greatly improved, and the regeneration assembly can quickly remove the moisture in the dryer and improve the efficiency.

Drawings

The invention is further explained below with reference to the figures and examples;

FIG. 1 is a flow diagram of a conventional carbon-supported deoxygenation purification process;

FIG. 2 is a flow chart of a preferred embodiment of the present invention;

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings and examples, which are simplified schematic drawings and illustrate only the basic structure of the invention in a schematic manner, and thus show only the constituents relevant to the invention.

As shown in fig. 1 and fig. 2, an energy-saving carbon-supported deoxidation and purification apparatus includes a deoxidation component and a purification component; wherein: the deoxidation component comprises a heat exchanger, a heater and a deoxidation tower which are connected in sequence, wherein the outlet end of the deoxidation tower is connected with the inlet end of the heat exchanger; the purification component comprises a cooler, a dryer and a filter which are connected in sequence, and the inlet end of the cooler is connected with the outlet end of the heat exchanger.

In this embodiment, the gas to be purified is a mixed gas 1 of nitrogen and oxygen, the mixed gas 1 is subjected to heat exchange through a heat exchanger to form a stable mixed gas 1, then the mixed gas 1 is preheated by a heater, after preheating, the mixed gas 1 enters a deoxygenation tower, oxygen in the mixed gas 1 reacts with a carbon-supported deoxidizer in the deoxygenation tower to generate carbon dioxide, so that the gas coming out of the deoxygenation tower is a mixed gas 2 of carbon dioxide and nitrogen, after the mixed gas 2 comes out of the deoxygenation tower, the heat exchange is performed through the heat exchanger to form a stable mixed gas 2, then the mixed gas 2 is cooled through a cooler, so that the mixed gas 2 enters a dryer, carbon dioxide in the mixed gas 2 is adsorbed by alumina in the dryer, and after the carbon dioxide is completely adsorbed, the rest is high-purity nitrogen, then the high-purity nitrogen is filtered by a filter and enters an external gas storage tank through an outlet flowmeter after being filtered.

Specifically, a heat conduction pipe is arranged in the heat exchanger, a mixed gas inlet and a mixed gas outlet are arranged on the heat exchanger, the number of the gas inlets and the gas outlets on the heat exchanger is two, and the mixed gas 1 and the mixed gas 2 are subjected to heat exchange operation respectively.

Specifically, the heat transfer pipe is a stainless seamless pipe.

In this embodiment, a carbon-supported deoxidizer is provided in the deoxidizing tower, and the carbon-supported deoxidizer is mainly used for deoxidizing an inert gas such as nitrogen that does not chemically react with carbon or oxygen under high-temperature conditions.

Specifically, the number of the deoxygenation towers is two, the two deoxygenation towers are alternately used, when one deoxygenation tower is used, the other deoxygenation tower is subjected to packing operation and is alternately used, and the deoxygenation efficiency is improved.

In this embodiment, a desiccant is provided in the dryer, and alumina is used as the desiccant to adsorb carbon dioxide.

Specifically, the number of the dryers is two, the dryers are alternately used, and when one dryer is used, the other dryer is subjected to internal moisture removal treatment and is alternately used, so that the efficiency is improved.

In this example, a nonwoven fabric was provided in the filter, and fine impurities such as dust in high-purity nitrogen gas were filtered using the nonwoven fabric.

In the embodiment, the device further comprises a regeneration component; the regeneration component comprises a regeneration flow meter, a regeneration air inlet valve and a regeneration air outlet valve; the regeneration flowmeter is connected with the outlet end of the filter, the regeneration air inlet valve is connected with the regeneration flowmeter, the regeneration air inlet valve and the regeneration air outlet valve are respectively positioned at two ends of the dryer, an air outlet pipe is arranged at one end of the regeneration air outlet valve, after high-purity nitrogen is discharged from the filter, a part of nitrogen enters the corresponding dryer with the moisture removed inside through the regeneration flowmeter, the moisture in the dryer is taken out, the moisture is discharged through the regeneration air outlet valve, and the internal treatment operation of the dryer is completed.

Specifically, the filter outlet end is provided with an outlet flow meter.

In summary, the invention has simple structure, greatly simplifies the process flow compared with the traditional carbon-supported deoxidation purification process, can simultaneously concentrate and utilize the heat generated by the deoxidation reaction, does not generate heat loss, reduces the energy consumption, greatly improves the heat utilization rate, and can quickly remove the moisture in the dryer by the regeneration assembly, thereby improving the efficiency.

In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.