CN212050538U

CN212050538U - Carbon-supported nitrogen purification equipment

Info

Publication number: CN212050538U
Application number: CN202020264349.7U
Authority: CN
Inventors: 李勤
Original assignee: ZHEJIANG QINCE KONGFEN EQUIPMENT CO Ltd
Current assignee: ZHEJIANG QINCE KONGFEN EQUIPMENT CO Ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-12-01
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a carbon carries nitrogen gas purification equipment, including heat exchanger, combustion tower, drying tower, the heat exchanger includes first heat exchanger, second heat exchanger, the combustion tower includes first combustion tower, second combustion tower, the drying tower includes first drying tower, second drying tower, the inlet outlet duct of first combustion tower links to each other with first heat exchanger, the inlet outlet duct of second combustion tower links to each other with the second heat exchanger, first heat exchanger, second heat exchanger link to each other there are two pipelines, including nitrogen gas intake pipe and heat transfer outlet duct, nitrogen gas intake pipe and heat transfer outlet duct gather to nitrogen gas conveying pipe, nitrogen gas conveying pipe links to each other with first drying tower, second drying tower, first drying tower, second drying tower are connected with the pure nitrogen outlet duct. The utility model designs a simple structure is clear, and the purification is obvious one kind reduces operation energy consumption and manufacturing cost's carbon carries nitrogen gas purification equipment.

Description

Carbon-supported nitrogen purification equipment

Technical Field

The utility model relates to a purification equipment technical field especially relates to a carbon carries nitrogen gas purification equipment.

Background

With the progress and development of society in science and technology, times and other aspects, such as the application fields of nitrogen such as electronics, food, heat treatment, chemical industry, chemistry, medicine and the like, the requirement on the purity of nitrogen is higher and higher, and the flow is larger and larger, so that the requirement that nitrogen making equipment, namely a process flow, needs to be modified is met. Only by mainly modifying nitrogen making equipment and improving corresponding nitrogen making process and flow, the purity of nitrogen can be improved to the maximum extent, and the yield of nitrogen can be improved to the maximum extent, so that the requirements of related industries on nitrogen equipment, high-purity nitrogen and high yield can be met. This ultimately becomes undoubtedly a difficult task for the air separation plant manufacturing industry to face and start to accomplish.

The carbon-carried nitrogen gas purifying equipment is characterized by that at the temp. of 350 deg.C, the general nitrogen gas whose purity is greater than or equal to 99.9% is passed through combustion type (3093 type) carbon deoxidant to make the oxygen impurity in general nitrogen and carbon in the deoxidant produce oxidation (combustion) reaction to produce CO2, so that the oxygen impurity can be removed.

The traditional carbon-loaded nitrogen purification equipment comprises a combustion tower, a water cooler and a nitrogen post-drying system, and has the defects that the temperature entering the combustion tower is normal temperature, the power consumed when the temperature reaches the temperature of catalyst reaction is large, and the time is long; the high temperature nitrogen gas needs a cooler to reduce the temperature and needs to consume cooling water.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of background art existence, the utility model relates to a nitrogen gas purification equipment is carried to carbon, according to above-mentioned problem, has designed simple structure and has understood, the carbon that reduces operation energy consumption and manufacturing cost that the purification is obvious carries nitrogen gas purification equipment.

The utility model relates to a carbon carries nitrogen gas purification equipment, including heat exchanger, combustion tower, drying tower, the heat exchanger includes first heat exchanger, second heat exchanger, the combustion tower includes first combustion tower, second combustion tower, the drying tower includes first drying tower, second drying tower, the inlet outlet duct of first combustion tower links to each other with first heat exchanger, the inlet outlet duct of second combustion tower links to each other with the second heat exchanger, first heat exchanger, second heat exchanger link to each other there are two pipelines, including nitrogen gas intake pipe and heat transfer outlet duct, nitrogen gas intake pipe and heat transfer outlet duct gather to nitrogen gas conveying pipe, nitrogen gas conveying pipe links to each other with first drying tower, second drying tower, first drying tower, second drying tower are connected with the pure nitrogen outlet duct.

By adopting the scheme, the two heat exchangers which work independently are arranged, the inlet temperature of nitrogen is increased, the outlet temperature of nitrogen is reduced, the heating power of nitrogen and the time for raising the reaction temperature of the catalyst are reduced, cooling water consumed by a water cooler is saved, the operation energy consumption and the production cost are reduced, and the purpose of energy conservation is realized.

Furthermore, a flow counting tube and a filtering tube are arranged between the first drying tower, the second drying tower and the pure nitrogen outlet tube.

By adopting the scheme, the flow counting tube is used for counting the nitrogen flow, and the filter tube is used for improving the nitrogen purity.

Further, a filter is arranged on the filter pipe.

By adopting the scheme, the purity of the nitrogen can reach more than or equal to 99.9995%.

Furthermore, flow meters are arranged on the nitrogen gas inlet pipe, the flow statistic pipe, the nitrogen gas conveying pipe and the pure nitrogen gas outlet pipe.

By adopting the scheme, the nitrogen gas flow is convenient to count by each pipeline, and the monitoring is more convenient.

Furthermore, a check valve group is arranged between the nitrogen conveying pipe and the first drying tower and between the nitrogen conveying pipe and the second drying tower, and a check valve group is arranged between the first drying tower and the second drying tower and between the flow counting pipe and the filtering pipe.

By adopting the scheme, the check valve group is beneficial to controlling the passing direction of air and effectively managing the air path.

Furthermore, the check valve group comprises two check valve pipelines connected in parallel, and each check valve pipeline is provided with two check valves.

By adopting the scheme, gas backflow is prevented.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a connection structure according to an embodiment of the present invention.

Reference numeral, 1-a first heat exchanger; 2-a second heat exchanger; 3-a first combustion tower; 4-a second combustion column; 5-a first drying tower; 6-a second drying tower; 7-nitrogen inlet pipe; 8-heat exchange air outlet pipe; 9-nitrogen transfer tube; 10-pure nitrogen outlet pipe; 11-flow statistic pipe; 111-a flow meter; 12-a filter tube; 121-a filter; 13-a one-way valve set; 131-one-way valve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described and discussed below with reference to the accompanying drawings of the present invention, and it is obvious that only some examples, not all examples, of the present invention are described herein, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

For the convenience of understanding the embodiments of the present invention, the following detailed description will be given by way of example with reference to the accompanying drawings, and the embodiments are not limited to the embodiments of the present invention.

Embodiment 1 of the utility model refers to fig. 1, including two heat exchangers, two combustion towers, two drying towers, the heat exchanger links to each other with the combustion tower, the exit pipeline of two combustion towers links to each other with respective heat exchanger, and two heat exchangers assemble into one and be nitrogen gas intake pipe 7, the heat exchanger is connected with heat exchanger outlet duct 8, two heat exchanger outlet duct 8 assembles nitrogen gas conveying pipe 9, nitrogen gas conveying pipe 9 is connected with check valve group 13, check valve group 13 includes two check valve pipelines, and every check valve pipeline is provided with two check valves 131, check valve group 13 links to each other with two drying towers respectively, and two drying tower exit linkage have check valve group 13, one connection flow statistics pipe 11 in the check valve pipeline in the exit, another is connected with filter tube 12. The filter pipe 12 is provided with a filter 121, and the nitrogen gas inlet pipe 7, the flow counting pipe 11, the nitrogen gas conveying pipe 9 and the pure nitrogen gas outlet pipe 10 are provided with flow meters 111.

The utility model discloses a theory of operation and step are as follows:

this design has set up the heat exchanger of two independent work, through for the combustion tower heat transfer, has increased the inlet temperature of nitrogen gas, has reduced the exit temperature of nitrogen gas, has reduced the heating power of nitrogen gas and has risen to the time of catalyst reaction temperature, saves the cooling water that the water cooler consumed, has reduced operation energy consumption and manufacturing cost, has realized energy-conserving purpose. The purity of the purified nitrogen is more than or equal to 99.9995 percent.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solution of the present invention, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: those skilled in the art can still modify or easily conceive of changes in the technical solutions described in the foregoing embodiments or make equivalent substitutions for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a carbon carries nitrogen gas purification equipment, includes heat exchanger, combustion tower, drying tower, its characterized in that: the heat exchanger includes first heat exchanger, second heat exchanger, the combustion column includes first combustion column, second combustion column, the drying tower includes first drying tower, second drying tower, the outlet duct that admits air of first combustion column links to each other with first heat exchanger, the outlet duct that admits air of second combustion column links to each other with the second heat exchanger, first heat exchanger, second heat exchanger link to each other has two pipelines, including nitrogen gas intake pipe and heat transfer outlet duct, nitrogen gas intake pipe and heat transfer outlet duct gather to nitrogen gas conveying pipe, nitrogen gas conveying pipe links to each other with first drying tower, second drying tower, first drying tower, second drying tower are connected with pure nitrogen outlet duct.

2. The carbon-supported nitrogen purification apparatus according to claim 1, wherein: and a flow statistic pipe and a filter pipe are arranged between the first drying tower, the second drying tower and the pure nitrogen outlet pipe.

3. The carbon-supported nitrogen purification apparatus according to claim 2, wherein: the filter pipe is provided with a filter.

4. The carbon-supported nitrogen purification apparatus according to claim 3, wherein: and flowmeters are arranged on the nitrogen gas inlet pipe, the flow statistic pipe, the nitrogen gas conveying pipe and the pure nitrogen gas outlet pipe.

5. The carbon-supported nitrogen purification apparatus according to claim 4, wherein: be provided with check valve group between nitrogen gas conveying pipe and first drying tower, the second drying tower, be provided with check valve group between first drying tower, second drying tower and flow statistics pipe and the filter tube.

6. The carbon-supported nitrogen purification apparatus according to claim 5, wherein: the check valve group comprises two check valve pipelines connected in parallel, and each check valve pipeline is provided with two check valves.