CN215311309U - Nitrogen making machine - Google Patents
Nitrogen making machine Download PDFInfo
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- CN215311309U CN215311309U CN202121575666.1U CN202121575666U CN215311309U CN 215311309 U CN215311309 U CN 215311309U CN 202121575666 U CN202121575666 U CN 202121575666U CN 215311309 U CN215311309 U CN 215311309U
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Abstract
The utility model discloses a nitrogen making machine, which comprises a base, wherein a first adsorption tower, a second adsorption tower and a control cabinet are arranged on the base; the first adsorption tower and the second adsorption tower are connected through a middle first branch pipe, the first branch pipe is connected with a main pipe, the main pipe is also respectively connected with an air inlet branch pipe and a bottom second branch pipe, and the top end of the air inlet branch pipe is provided with an air inlet; the top parts of the first adsorption tower and the second adsorption tower are provided with buffer transition pipes, the side surfaces of the buffer transition pipes are provided with flanges, the flanges are connected with nitrogen branch pipes, the nitrogen branch pipes are connected to a nitrogen main pipe, and the tail end of the nitrogen main pipe is provided with a nitrogen outlet; the first adsorption tower and the second adsorption tower are controlled by the control cabinet. The utility model has the characteristics of small volume, good nitrogen output stability, high automation degree, low use cost and the like, and can be widely applied to the technical field of preparation of pressure swing adsorption high-purity nitrogen.
Description
Technical Field
The utility model belongs to the technical field of molecular sieve adsorption nitrogen making devices, and particularly relates to a nitrogen making machine.
Background
The nitrogen generator is a device which takes air as a raw material and obtains nitrogen by separating oxygen and nitrogen in the air by a physical method. Nitrogen making machines can be mainly divided into three types according to different classification methods: a cryogenic air separation method, a molecular sieve air separation method and a membrane air separation method, wherein the molecular sieve air separation method is a commonly adopted industrial nitrogen production process method at present; the carbon molecular sieve is used as an adsorbent, and air is separated by utilizing a pressure swing adsorption principle at normal temperature to prepare high-purity nitrogen.
It is well known that nitrogen, commonly referred to as inert gas, is used in certain inert atmospheres for metal processing and in bulbs to prevent arcing, and can also be used to produce ammonia, nitric acid, nitrates, cyanides, etc.; in addition, nitrogen gas as an inert gas may be used for preserving the raw material, and liquid nitrogen may be used as a coolant in the laboratory. With the continuous development of industrialization, the application of nitrogen is more and more extensive. The existing nitrogen making machine is often installed on site, and has the defects of large volume, high production cost, time and labor waste in the installation process and high debugging cost. As such, many manufacturers who require nitrogen gas abandon their own production and purchase them outside, which adds to the cost of nitrogen and is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art, and provides a nitrogen making machine which has the characteristics of small volume, good nitrogen output stability, high automation degree, low use cost and the like, is integrally positioned on a base, is convenient to carry and install, can be used after being placed on a flat ground and connected with electricity, does not need to be debugged, and can be widely applied to the technical field of pressure swing adsorption high-purity nitrogen preparation.
In order to achieve the above object, the present invention adopts the following technical solutions: a nitrogen making machine comprises a base, wherein a first adsorption tower, a second adsorption tower and a control cabinet are arranged on the base; the first adsorption tower and the second adsorption tower are connected through a middle first branch pipe, the first branch pipe is connected with a main pipe, and the main pipe is also respectively connected with an air inlet branch pipe and a bottom second branch pipe; the first branch pipe is provided with two symmetrical pneumatic valves, the air inlet branch pipe is provided with one pneumatic valve, the second branch pipe is provided with two symmetrical pneumatic valves, and the top end of the air inlet branch pipe is provided with an air inlet; the top parts of the first adsorption tower and the second adsorption tower are provided with buffer transition pipes, the side surfaces of the buffer transition pipes are provided with flanges, the flanges are connected with nitrogen branch pipes, the nitrogen branch pipes are connected to a nitrogen main pipe, and the tail end of the nitrogen main pipe is provided with a nitrogen outlet; pneumatic valves are arranged on the nitrogen branch pipe and the nitrogen main pipe; the top of the buffer transition pipe is connected with a cylinder; the tail end of the main pipe is also provided with a silencer, and the tail end of the silencer is provided with a tail gas discharge port; the first adsorption tower and the second adsorption tower are controlled by the control cabinet.
As an improvement, the first adsorption tower and the second adsorption tower are fixed on the base through support legs.
As an improvement, pressure gauges are arranged on the cylinders of the first adsorption tower and the second adsorption tower.
As an improvement, the center distance between the first adsorption tower and the second adsorption tower is 1000-1200 mm.
As an improvement, the diameter of the buffer transition pipe is 4/10-6/10 of the diameter of the cylinder of the adsorption tower.
As an improvement, a PLC automatic control system is arranged in the control cabinet, and the PLC automatic control system has a remote monitoring function.
As an improvement, the air inlet, the nitrogen outlet and the tail gas discharge port are respectively provided with a flange connecting structure.
As an improvement, the base is formed by welding I-shaped steel, and the bottom of the base is provided with a transverse fork foot.
Compared with the prior art, the utility model has the following beneficial effects: the nitrogen making machine has the characteristics of small volume, good nitrogen output stability, high automation degree, low use cost and the like; the double adsorption towers and the control system are integrated on the bottom plate, so that the occupied area of the nitrogen making machine is reduced, and the nitrogen making machine is convenient to install and transport; the adsorption double towers are connected by adopting multiple pipelines and are matched with a PLC automatic control system with a remote monitoring function, so that the pressure equalizing stability of the double towers is ensured, the discharge waste of produced gas is reduced, and meanwhile, the maintenance frequency of the nitrogen making machine is reduced by the remote monitoring function; through set up the buffering transition pipe at the adsorption tower top, improve nitrogen gas stability of giving vent to anger, the cooperation sets up the cylinder simultaneously, guarantees that the during operation has the effect of compressing tightly constantly to the molecular sieve in the adsorption tower, avoids the molecular sieve to pulverize under gas shock.
Drawings
FIG. 1 is a front view of the nitrogen generator of the present invention;
figure 2 is a top view of the nitrogen generator of the present invention.
In the figure: 1. the base, 2, first adsorption tower, 3, the second adsorption tower, 4, first branch pipe, 5, the person in charge, 6, air inlet branch pipe, 7, second branch pipe, 8, pneumatic valve, 9, the air inlet, 10, buffering transition pipe, 11, the flange, 12, nitrogen gas branch pipe, 13, nitrogen gas person in charge, 14, nitrogen gas export, 15, the cylinder, 16, the muffler, 17, exhaust emission port, 18, the switch board, 19, the stabilizer blade, 20, the manometer, 21, horizontal fork foot.
Detailed Description
The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the nitrogen generator of the present embodiment includes a base 1, wherein the base 1 is provided with a first adsorption tower 2, a second adsorption tower 3 and a control cabinet 18; the first adsorption tower 2 and the second adsorption tower 3 are connected through a middle first branch pipe 4, the first branch pipe 4 is connected with a main pipe 5, and the main pipe 5 is also respectively connected with an air inlet branch pipe 6 and a bottom second branch pipe 7; the first branch pipe 4 is provided with two symmetrical pneumatic valves 8, the air inlet branch pipe 6 is provided with one pneumatic valve 8, the second branch pipe 7 is provided with two symmetrical pneumatic valves 8, and the top end of the air inlet branch pipe 6 is provided with an air inlet 9; the top parts of the first adsorption tower 2 and the second adsorption tower 3 are provided with buffer transition pipes 10, the side surfaces of the buffer transition pipes 10 are provided with flanges 11, the flanges 11 are connected with nitrogen branch pipes 12, the nitrogen branch pipes 12 are connected to a nitrogen main pipe 13, and the tail end of the nitrogen main pipe 13 is provided with a nitrogen outlet 14; the nitrogen branch pipe 12 and the nitrogen main pipe 13 are both provided with pneumatic valves 8; the top of the buffer transition pipe 10 is connected with a cylinder 15; the tail end of the main pipe 5 is also provided with a silencer 16, and the tail end of the silencer 16 is provided with a tail gas discharge port 17; the first adsorption tower 2 and the second adsorption tower 3 are controlled by the control cabinet 18.
Further, the first adsorption tower 2 and the second adsorption tower 3 are fixed on the base 1 through a support leg 19; specifically, the number of the support legs 19 is 3, and each support leg 19 is provided with a fixing plate, and the adsorption tower is fixed on the base 1 through a bolt hole on the fixing plate; furthermore, the cylinders of the first adsorption tower 2 and the second adsorption tower 3 are respectively provided with a pressure gauge 20, so that the pressure in the adsorption towers can be conveniently observed; specifically, the center distance between the first adsorption tower 2 and the second adsorption tower 3 is set to be 1000-1200 mm, and preferably 1100 mm.
Further, the diameter of the buffer transition pipe 10 is 4/10-6/10, preferably 4/10-5/10 of the diameter of the cylinder of the adsorption tower, so that the buffer effect on produced nitrogen is better.
Furthermore, a PLC automatic control system is arranged in the control cabinet 18, so that the stability of double-tower pressure equalization is ensured, and the discharge waste of the produced gas is reduced; specifically, PLC control system still has the remote monitoring function, can have the manufacturer to realize the backstage remote monitoring to the nitrogen generator, guarantees that the nitrogen generator operates normally, effectively reduces the later stage and goes to the door maintenance frequency.
Further, the air inlet 9, the nitrogen outlet 14 and the tail gas discharge port 17 are all provided with flange connection structures, so that the sealing connection with an external pipeline is facilitated.
Further, base 1 is formed for the I-steel welding, and the bottom is equipped with horizontal fork foot 21, conveniently utilizes fork truck to carry.
Finally, it should be noted that the above-mentioned list is only a specific embodiment of the present invention. It is obvious that the present invention is not limited to the above embodiments, but many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the utility model.
Claims (8)
1. A nitrogen making machine comprises a base (1), and is characterized in that a first adsorption tower (2), a second adsorption tower (3) and a control cabinet (18) are arranged on the base (1); the first adsorption tower (2) and the second adsorption tower (3) are connected through a middle first branch pipe (4), the first branch pipe (4) is connected with a main pipe (5), and the main pipe (5) is also respectively connected with an air inlet branch pipe (6) and a bottom second branch pipe (7); the first branch pipe (4) is provided with two symmetrical pneumatic valves (8), the air inlet branch pipe (6) is provided with one pneumatic valve (8), the bottom second branch pipe (7) is provided with two symmetrical pneumatic valves (8), and the top end of the air inlet branch pipe (6) is provided with an air inlet (9); the top parts of the first adsorption tower (2) and the second adsorption tower (3) are provided with buffer transition pipes (10), the side surfaces of the buffer transition pipes (10) are provided with flanges (11), the flanges (11) are connected with nitrogen branch pipes (12), the nitrogen branch pipes (12) are connected to a nitrogen main pipe (13), and the tail end of the nitrogen main pipe (13) is provided with a nitrogen outlet (14); pneumatic valves (8) are arranged on the nitrogen branch pipe (12) and the nitrogen main pipe (13); the top of the buffer transition pipe (10) is connected with a cylinder (15); the tail end of the main pipe (5) is also provided with a silencer (16), and the tail end of the silencer (16) is provided with a tail gas discharge port (17); the first adsorption tower (2) and the second adsorption tower (3) are controlled by the control cabinet (18).
2. Nitrogen generator according to claim 1, characterized in that said first adsorption column (2) and second adsorption column (3) are fixed on said base (1) by means of feet (19).
3. The nitrogen generator according to claim 1, characterized in that the cylinders of the first adsorption tower (2) and the second adsorption tower (3) are provided with pressure gauges (20).
4. The nitrogen generator according to claim 2 or 3, wherein the center-to-center distance between the first adsorption tower (2) and the second adsorption tower (3) is 1000 to 1200 mm.
5. The nitrogen generator as recited in claim 1, characterized in that the buffer transition pipe (10) has a diameter 4/10-6/10 of the diameter of the adsorption tower.
6. Nitrogen generator according to claim 1, characterized in that said control cabinet (18) is provided with a PLC automatic control system with remote monitoring function.
7. Nitrogen generator according to claim 1, wherein the gas inlet (9), the nitrogen outlet (14) and the exhaust gas outlet (17) are provided with flange connections.
8. Nitrogen generator according to claim 1, characterised in that said base (1) is made by welding i-beams, the bottom of which is provided with transverse prongs (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575666.1U CN215311309U (en) | 2021-07-12 | 2021-07-12 | Nitrogen making machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575666.1U CN215311309U (en) | 2021-07-12 | 2021-07-12 | Nitrogen making machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215311309U true CN215311309U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121575666.1U Active CN215311309U (en) | 2021-07-12 | 2021-07-12 | Nitrogen making machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215311309U (en) |
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2021
- 2021-07-12 CN CN202121575666.1U patent/CN215311309U/en active Active
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