CN214570762U

CN214570762U - Energy-saving nitrogen making device

Info

Publication number: CN214570762U
Application number: CN202120543051.4U
Authority: CN
Inventors: 梁楚
Original assignee: Individual
Current assignee: Harbin Heping Veterinary Medicine Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-02
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses an energy-saving nitrogen making device, including bottom plate, catalytic reaction subassembly, air inlet, dehydration subassembly, dry subassembly, storage nitrogen jar and gas-supply pipe, the catalytic reaction subassembly is located on the bottom plate, the air inlet is located on the catalytic reaction subassembly, the dehydration subassembly is located on the bottom plate and is connected in the catalytic reaction subassembly, dry piece is located on the bottom plate and is connected in the one end that the catalytic reaction subassembly was kept away from to the dehydration subassembly, store up the nitrogen jar and locate on the bottom plate and locate one side that the dehydration subassembly was kept away from to the dry subassembly, gas-supply pipe one end is connected in the upper end of dry subassembly and other end connection in storage nitrogen jar. The utility model belongs to the technical field of the system nitrogen, specifically indicate a flow that utilizes flowmeter control hydrogen through the catalytic reaction subassembly and the trace oxygen in the nitrogen gas carry out catalytic reaction in the nitrogen collection jar to detach the oxygen in the nitrogen gas, the water that the reaction generated is through dehydration subassembly and dry subassembly after, realizes that the nitrogen gas of higher purity is defeated to the energy-saving nitrogen plant that stores up in the nitrogen jar.

Description

Energy-saving nitrogen making device

Technical Field

The utility model belongs to the technical field of the system nitrogen, specifically indicate an energy-saving nitrogen generator.

Background

With the rapid development of industry, nitrogen is widely applied in the fields of chemical industry, electronics, metallurgy, food, machinery and the like, and the demand of China for nitrogen is increased by more than 8% every year. Nitrogen is chemically inert, is highly inert in the ordinary state, and is not susceptible to chemical reaction with other substances. Therefore, nitrogen is widely used as a shielding gas and a sealing gas in the metallurgical industry, the electronic industry and the chemical industry, the purity of the shielding gas is generally required to be 99.99%, and high-purity nitrogen with the purity of more than 99.998% is required in some cases.

SUMMERY OF THE UTILITY MODEL

In order to solve the difficult problem, the utility model provides a flow that utilizes flowmeter control hydrogen through the catalytic reaction subassembly and the trace oxygen in the nitrogen gas carry out catalytic reaction in the nitrogen collection jar to detach the oxygen in the nitrogen gas, the water that the reaction generated is through dehydration subassembly and dry subassembly after, realizes that the nitrogen gas of higher purity is defeated to the energy-saving nitrogen plant that stores up in the nitrogen jar.

In order to realize the above functions, the utility model discloses the technical scheme who takes as follows: an energy-saving nitrogen making device comprises a bottom plate, a catalytic reaction assembly, an air inlet, a dehydration assembly, a drying assembly, a nitrogen storage tank and an air conveying pipe, wherein the catalytic reaction assembly is arranged on the bottom plate, the air inlet is arranged on the catalytic reaction assembly, the dehydration assembly is arranged on the bottom plate and is connected to the catalytic reaction assembly, the drying assembly is arranged on the bottom plate and is connected to one end of the dehydration assembly, which is far away from the catalytic reaction assembly, the nitrogen storage tank is arranged on the bottom plate and is arranged on one side of the drying assembly, which is far away from the dehydration assembly, one end of the air conveying pipe is connected to the upper end of the drying assembly, and the other end of the air conveying pipe is connected to the upper end of the nitrogen storage tank; the catalytic reaction subassembly is including album nitrogen cylinder, hydrogen gas jar, connecting pipe and flowmeter, album nitrogen cylinder is located on the bottom plate, hydrogen gas jar is located on the bottom plate and is located album nitrogen cylinder one side, connecting pipe one end is connected in hydrogen gas jar and the other end and is connected in album nitrogen cylinder, the flowmeter is located on the connecting pipe for detect the velocity of flow of hydrogen, utilize nitrogen gas that pressure swing adsorption nitrogen making machine made to get into album nitrogen cylinder through the air inlet in, open the flowmeter, according to reaction ratio, let in album nitrogen cylinder with the hydrogen in the hydrogen cylinder in, carry out catalytic reaction with the trace oxygen in the nitrogen gas in album nitrogen cylinder, consume the trace nitrogen in the nitrogen gas, make the purity of nitrogen gas higher.

Further, the dehydration subassembly includes condenser, first flange, second flange, deareator, supporting leg, outlet, third flange, fourth flange and aspiration pump, the condenser is connected in the gas outlet of nitrogen collection jar, the gas outlet of condenser is located to first flange, second flange is connected in first flange, deareator is connected in second flange, the supporting leg is evenly located under the deareator, the outlet is located under the deareator, gas-water separator's gas outlet is located to third flange, fourth flange is connected in third flange, the aspiration pump extraction opening is connected in fourth flange, starts the aspiration pump, and the nitrogen gas temperature after catalytic reaction risees, contains steam in the nitrogen gas, behind the condenser, and steam becomes liquid by the gaseous state, through deareator again, with nitrogen gas and water separation, water is through the outlet discharge, and nitrogen gas is in the dry subassembly of aspiration pump suction, the dehydration process of nitrogen is realized.

Further, dry subassembly includes the drying can, adsorbs storehouse, heating desorption storehouse, hot plate and the dry storehouse of degree of depth, the drying can is located on the bottom plate and is connected in the gas outlet of aspiration pump, adsorb the lower extreme that the drying can was located in the storehouse, heating desorption storehouse is located in the drying can and is located on the absorption storehouse, heating desorption storehouse medial surface is located to the hot plate symmetry, the dry storehouse of degree of depth is located in the drying can and is located on the heating desorption storehouse, and nitrogen gas is after the dehydration of dehydration subassembly, in the absorption storehouse of aspiration pump suction, after the moisture in with nitrogen gas in the absorption storehouse is adsorbed, nitrogen gas gets into the heating desorption storehouse, and moisture in the nitrogen gas is further vaporized through the hot plate heating, and after the dry storehouse of degree of depth adsorbs moisture, make the higher nitrogen gas of purity get into in the nitrogen storage can for standby through the gas-supply pipe.

Furthermore, a one-way valve is arranged in the gas transmission pipe, so that nitrogen is prevented from flowing back into the drying bin from the nitrogen storage tank.

The utility model adopts the above structure to gain beneficial effect as follows: the utility model provides an energy-saving nitrogen making device, nitrogen gas gets into in the nitrogen collecting tank through the air inlet through the catalytic reaction subassembly, then open the flowmeter, according to reaction ratio, let in hydrogen in the hydrogen jar in the nitrogen collecting tank, carry out catalytic reaction with the trace oxygen in the nitrogen collecting tank, consume the trace nitrogen in the nitrogen gas, make the purity of nitrogen gas higher, after the condenser in the dehydration subassembly, water vapor becomes liquid by the gaseous state, again through deareator, separate nitrogen gas and water, water discharges through the outlet, nitrogen gas is in the drying subassembly through the aspiration pump suction, realize the dehydration process to nitrogen gas, after adsorbing the moisture in the nitrogen gas through adsorption storehouse in the drying subassembly, nitrogen gas gets into the heating desorption storehouse, moisture in the nitrogen gas is further vaporized through the hot plate heating, after the moisture adsorbs the degree of depth drying storehouse, make the higher nitrogen gas of purity get into in the nitrogen storage tank through the gas-supply pipe for subsequent use, through being equipped with the check valve in the gas-supply pipe, avoid nitrogen gas to flow back in the dry storehouse from storing up the nitrogen jar.

Drawings

Fig. 1 is an overall structure diagram of the energy-saving nitrogen generator of the present invention.

Wherein, 1, the bottom plate, 2, the catalytic reaction subassembly, 3, the air inlet, 4, the dehydration subassembly, 5, dry subassembly, 6, the nitrogen storage tank, 7, the gas-supply pipe, 8, the nitrogen collection jar, 9, the hydrogen jar, 10, the connecting pipe, 11, the flowmeter, 12, the condenser, 13, flange one, 14, flange two, 15, the gas-water separator, 16, the supporting leg, 17, the outlet, 18, flange three, 19, flange four, 20, the aspiration pump, 21, the dry can, 22, adsorb the storehouse, 23, the heating desorption storehouse, 24, the hot plate, 25, the dry storehouse of degree of depth, 26, the check valve.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model relates to an energy-saving nitrogen making device, including bottom plate 1, catalytic reaction subassembly 2, air inlet 3, dehydration subassembly 4, drying subassembly 5, nitrogen storage tank 6 and gas-supply pipe 7, catalytic reaction subassembly 2 is located on bottom plate 1, air inlet 3 is located on catalytic reaction subassembly 2, dehydration subassembly 4 is located on bottom plate 1 and is connected to catalytic reaction subassembly 2, the drying part is located on bottom plate 1 and is connected to the one end of dehydration subassembly 4 far away from catalytic reaction subassembly 2, nitrogen storage tank 6 is located on bottom plate 1 and is located the one side of drying subassembly 5 far away from dehydration subassembly 4, one end of gas-supply pipe 7 is connected to the upper end of drying subassembly 5 and the other end is connected to the upper end of nitrogen storage tank 6; catalytic reaction subassembly 2 is including album nitrogen jar 8, hydrogen jar 9, connecting pipe 10 and flowmeter 11, album nitrogen jar 8 is located on the bottom plate 1, hydrogen jar 9 is located on the bottom plate 1 and is located album nitrogen jar 8 one side, connecting pipe 10 one end is connected in hydrogen jar 9 and the other end and is connected in album nitrogen jar 8, flowmeter 11 is located on connecting pipe 10.

Dehydration subassembly 4 includes condenser 12, flange one 13, flange two 14, deareator 15, supporting leg 16, outlet 17, flange three 18, flange four 19 and aspiration pump 20, condenser 12 is connected in the gas outlet of nitrogen collection jar 8, the gas outlet of condenser 12 is located to flange one 13, flange two 14 is connected in flange one 13, deareator 15 is connected in flange two 14, deareator 15 is evenly located under deareator 15 to supporting leg 16, deareator 15 is located to outlet 17, deareator 15's gas outlet is located to flange three 18, flange four 19 is connected in flange three 18, 20 extraction openings of aspiration pump are connected in flange four 19.

Drying assembly 5 includes drying chamber 21, adsorbs storehouse 22, heating desorption storehouse 23, hot plate 24 and the dry storehouse of degree of depth 25, drying chamber 21 is located on the bottom plate 1 and is connected in the gas outlet of aspiration pump 20, adsorb the lower extreme that drying chamber 21 was located in the storehouse 22, heating desorption storehouse 23 is located in drying chamber 21 and is located on adsorbing storehouse 22, heating desorption storehouse 23 medial surface is located to hot plate 24 symmetry, the dry storehouse of degree of depth 25 is located in drying chamber 21 and is located on heating desorption storehouse 23.

A one-way valve 26 is arranged in the gas transmission pipe 7.

When in specific use, nitrogen produced by the pressure swing adsorption nitrogen making machine enters the nitrogen collecting tank 8 through the air inlet 3, opening the flowmeter 11, introducing the hydrogen in the hydrogen tank 9 into the nitrogen collecting tank 8 according to the reaction proportion, carrying out catalytic reaction with trace oxygen in nitrogen in the nitrogen collecting tank 8, consuming the trace nitrogen in the nitrogen, starting the air pump 20, raising the temperature of the nitrogen after the catalytic reaction, wherein the nitrogen contains water vapor, passing through the condenser 12, the water vapor is changed from gas state to liquid state, then the gas-water separator 15 separates the nitrogen from the water, the water is discharged through the water outlet 17, the nitrogen is pumped into the adsorption bin 22 through the air pump 20, after the adsorption bin 22 completely adsorbs the water in the nitrogen, the nitrogen enters the heating desorption bin 23, the moisture in the nitrogen is further vaporized by heating through the heating plate 24, and after the moisture is absorbed through the deep drying bin 25, the nitrogen with higher purity enters the nitrogen storage tank 6 through the gas transmission pipe 7 for standby.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. An energy-saving nitrogen generator, its characterized in that: the catalytic reaction component is arranged on the bottom plate, the air inlet is arranged on the catalytic reaction component, the dehydration component is arranged on the bottom plate and connected to the catalytic reaction component, the drying component is arranged on the bottom plate and connected to one end of the dehydration component, which is far away from the catalytic reaction component, the nitrogen storage tank is arranged on the bottom plate and arranged on one side of the drying component, which is far away from the dehydration component, one end of the gas pipe is connected to the upper end of the drying component, and the other end of the gas pipe is connected to the upper end of the nitrogen storage tank; the catalytic reaction subassembly is including album nitrogen jar, hydrogen gas jar, connecting pipe and flowmeter, album nitrogen jar is located on the bottom plate, hydrogen gas jar is located on the bottom plate and is located album nitrogen jar one side, connecting pipe one end is connected in hydrogen gas jar and the other end and is connected in album nitrogen jar, the flowmeter is located on the connecting pipe.

2. The energy-saving nitrogen generator as claimed in claim 1, wherein: the dehydration subassembly includes condenser, first flange, second flange, deareator, supporting leg, outlet, third flange, fourth flange and aspiration pump, the condenser is connected in the gas outlet of nitrogen collection jar, the gas outlet of condenser is located to first flange, second flange is connected in first flange, deareator is connected in second flange, the supporting leg is evenly located under the deareator, the outlet is located under the deareator, deareator's gas outlet is located to third flange, fourth flange is connected in third flange, the aspiration pump extraction opening is connected in fourth flange.

3. The energy-saving nitrogen generator as claimed in claim 2, wherein: the drying component comprises a drying tank, an adsorption bin, a heating desorption bin, a heating plate and a deep drying bin, the drying tank is arranged on the bottom plate and connected to the gas outlet of the air pump, the adsorption bin is arranged at the lower end of the drying tank, the heating desorption bin is arranged in the drying tank and arranged on the adsorption bin, the heating plate is symmetrically arranged on the inner side surface of the heating desorption bin, and the deep drying bin is arranged in the drying tank and arranged on the heating desorption bin.

4. An energy-saving nitrogen generator according to claim 3, characterized in that: the gas transmission pipe is internally provided with a one-way valve.