CN213834553U - High-efficient nitrogen making equipment - Google Patents
High-efficient nitrogen making equipment Download PDFInfo
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- CN213834553U CN213834553U CN202021582374.6U CN202021582374U CN213834553U CN 213834553 U CN213834553 U CN 213834553U CN 202021582374 U CN202021582374 U CN 202021582374U CN 213834553 U CN213834553 U CN 213834553U
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- nitrogen
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Abstract
The utility model relates to a nitrogen gas preparation technical field. An efficient nitrogen making device comprises two nitrogen adsorption tanks and a pipeline system, wherein the nitrogen adsorption tanks adopt molecular sieve adsorption tanks; the pipe-line system includes the intake pipe, the outlet duct, the intake pipe includes total intake pipe, first intake pipe and second intake pipe and total intake-tube connection, total intake pipe and air compressor unit are connected, the nitrogen adsorption tank includes first nitrogen adsorption tank and second nitrogen adsorption tank, first intake pipe is connected with the bottom of first nitrogen adsorption tank, second and the intake pipe is connected with the bottom of second nitrogen adsorption tank, the outlet duct includes total outlet duct, first outlet duct and second outlet duct are connected with total outlet duct, the top at first nitrogen adsorption tank is connected to first outlet duct, the top at second nitrogen adsorption tank is connected to the second outlet duct. The utility model discloses help accelerating production efficiency, do not adopt the method of external nitrogen gas to regenerate simultaneously.
Description
Technical Field
The utility model relates to a nitrogen gas preparation technical field particularly relates to a high-efficient nitrogen making equipment.
Background
The nitrogen production assembly 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. The nitrogen preparation principle generally has three principles, which are respectively: cryogenic air separation, molecular sieve air separation (also known as pressure swing adsorption) and membrane air separation.
The molecular sieve air separation method has low cost and high production efficiency, is widely used, but needs to be regenerated after the molecular sieve is used for a period of time, the molecular sieve needs to be stopped from being used in the process, and meanwhile, the external nitrogen is used for back flush regeneration, so that the production efficiency is seriously influenced, and the cost is improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the high-efficiency nitrogen purification supercharging device can effectively reduce cost and cannot cause excessive electricity pressure in an industrial area, and low-cost peak shifting electricity utilization is realized.
The utility model provides a high-efficient nitrogen making equipment, includes two nitrogen gas adsorption tanks and pipe-line system, its characterized in that: the nitrogen adsorption tank adopts a molecular sieve adsorption tank. Pipe-line system include the intake pipe, the outlet duct, the intake pipe include total intake pipe, first intake pipe and second intake pipe and total intake pipe connection, total intake pipe be external to have the air compressor unit, the nitrogen adsorption tank include first nitrogen adsorption tank and second nitrogen adsorption tank, first intake pipe with the bottom of first nitrogen adsorption tank connect, the second intake pipe with the bottom of second nitrogen adsorption tank connect, the outlet duct include total outlet duct, first outlet duct and second outlet duct be connected with total outlet duct, first outlet duct connect the top of first nitrogen adsorption tank, the second outlet duct connect the top of second nitrogen adsorption tank.
The utility model discloses a scheme of two nitrogen adsorption tanks of alternate use, the utility model discloses a molecular sieve adsorption tank utensil is efficient, the high advantage of purity, but the defect lies in that nitrogen system needs to regenerate after to a period, the utility model discloses a two nitrogen tank adsorption tanks alternate use can use another nitrogen adsorption tank when the in-process of a nitrogen adsorption tank regeneration, realize continuous production, improved the utility model discloses a production efficiency.
The utility model discloses an in the use, including following several steps, 1. the feed gas gets into from total intake pipe, closes second intake pipe and second outlet duct this moment, and gas gets into first nitrogen adsorption tank from first intake pipe, then the nitrogen gas of preparation completion gets into purification system from first outlet duct through total outlet duct, 2 when first nitrogen adsorption tank needs the regeneration, close first intake pipe, first second intake pipe and the second outlet duct of opening, second nitrogen adsorption tank handles this moment, regenerates first nitrogen adsorption tank simultaneously, the utility model adopts the above technical scheme, can realize the fast switch-over of nitrogen adsorption tank, improve production efficiency.
Preferably, the pipeline system further comprises a pressure equalizing pipe, wherein the pressure equalizing pipe comprises a first pressure equalizing pipe and a second pressure equalizing pipe, one end of the first pressure equalizing pipe is connected with the upper part of the first nitrogen adsorption tank, the other end of the first pressure equalizing pipe is connected with the second air inlet pipe, one end of the second pressure equalizing pipe is connected with the upper part of the second nitrogen adsorption tank, and the other end of the second pressure equalizing pipe is connected with the first air inlet pipe.
Before the first nitrogen adsorption tank and the second nitrogen adsorption tank are regenerated, the utility model carries out flat pressing, the utility model adopts the structure, when the first nitrogen adsorption tank carries out flat pressing, the first air inlet pipe and the first air outlet pipe are closed, the first flat pressing pipe and the second air outlet pipe are opened, the gas in the first nitrogen adsorption tank is pressed into the second nitrogen adsorption tank under the action of the internal pressure, and then enters the second air outlet pipe after being adsorbed, the utility model adopts the structure, on one hand, the risk of leakage of the adsorption tank caused by quick flat pressing is reduced, simultaneously, the condition that the untreated feed gas in the first nitrogen adsorption tank is discharged into the air for flat pressing is avoided, the untreated feed gas is sent into another adsorption tank through flat pressing, the quality and the purity of the product are ensured, the feed gas is saved, the production cost is reduced.
Preferably, the pipeline system further comprises an exhaust pipe, one end of the exhaust pipe is connected with the first air inlet pipe, the other end of the exhaust pipe is connected with the second air inlet pipe, and a main exhaust pipe is arranged on the exhaust pipe.
Two electromagnetic valves are respectively arranged at two sides of the joint of the main exhaust pipe and the exhaust pipe, in the process of regenerating the first nitrogen adsorption tank, the electromagnetic valve close to the second air inlet pipe on the exhaust pipe is closed, the electromagnetic valve close to the first air inlet pipe on the exhaust pipe is opened, the main exhaust pipe is closed at the same time, at the moment, prepared nitrogen is used for backflushing the first nitrogen adsorption tank, the raw material gas sequentially passes through the main air inlet pipe, the second air inlet pipe and the second nitrogen adsorption tank to form nitrogen with high purity, then the nitrogen passes through the second air outlet pipe, the first air outlet pipe enters the first nitrogen adsorption tank from the top and then enters the exhaust pipe from the first air inlet pipe for final discharge, after the first nitrogen adsorption tank finishes regeneration, the electromagnetic valves close to the first air inlet pipe on the first air outlet pipe and the exhaust pipe are closed, the main exhaust pipe is opened, at the moment, the gas is normally discharged from the main exhaust pipe and when the second nitrogen adsorption tank needs regeneration, carry out above-mentioned concora crush process earlier, then close the total outlet duct, close the solenoid valve that is close to first intake pipe on the blast pipe, open the solenoid valve that is close to the second intake pipe on the blast pipe, open first outlet duct, first outlet duct and second outlet duct are the state of opening this moment simultaneously, the feed gas loops through total intake pipe this moment, first intake pipe, first nitrogen adsorption tank becomes the high nitrogen gas of purity, then through first outlet duct, the second outlet duct gets into the second nitrogen adsorption tank from the top, get into the blast pipe from the second intake pipe again, discharge at last. The utility model adopts the above structure can directly regenerate through product nitrogen gas, avoids external gas, has practiced thrift manufacturing cost when having guaranteed product quality, can adopt above-mentioned structure simultaneously, thereby only need opening and shutting of controlling several pipelines just can control the gas flow direction and accomplish regeneration process, has regeneration efficiency height, advantage with low costs.
Preferably, the pipeline system further comprises a thin pipe, one end of the thin pipe is connected with the first air outlet pipe, and the other end of the thin pipe is connected with the second air outlet pipe.
The utility model discloses still set up the tubule, this tubule diameter is about 2cm, and gas flow is very little, can not be right the utility model discloses a normal use causes the influence, and the main effect lies in the effect of the sampling test and the real time monitoring atmospheric pressure of being convenient for, has guaranteed the utility model discloses a product quality and safe in utilization.
The utility model discloses directly regenerating through product nitrogen gas, avoiding external gas, practiced thrift manufacturing cost when having guaranteed product quality, can adopt above-mentioned structure simultaneously, thereby only need opening and shutting of controlling several pipelines just can control the gas flow direction and accomplish regeneration process, have regeneration efficiency height, advantage with low costs.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further explained with reference to the following embodiments.
The utility model provides a high-efficient nitrogen making equipment, includes two nitrogen gas adsorption tanks 1 and pipe-line system 2, nitrogen gas adsorption tank 1 adopt the molecular sieve adsorption tank. The pipe system 2 comprises an air inlet pipe 21 and an air outlet pipe 22, wherein the air inlet pipe 21 comprises a total air inlet pipe 211, a first air inlet pipe 212 and a second air inlet pipe 213, the first intake pipe 212 and the second intake pipe 213 are connected to a total intake pipe 211, the main air inlet pipe 211 is externally connected with an air compressor unit, the two nitrogen adsorption tanks 1 are a first nitrogen adsorption tank 11 and a second nitrogen adsorption tank 12, the first gas inlet pipe 212 is connected to the bottom of the first nitrogen adsorption tank 11, the second gas inlet pipe 213 is connected to the bottom of the second nitrogen adsorption tank 12, the outlet pipe 22 includes a main outlet pipe 221, a first outlet pipe 222 and a second outlet pipe 223, the first outlet pipe 222 and the second outlet pipe 223 are connected to the main outlet pipe 221, the first gas outlet pipe 222 is connected to the top of the first nitrogen adsorption tank 11, and the second gas outlet pipe 223 is connected to the top of the second nitrogen adsorption tank 12. The pipeline system 2 further comprises a pressure equalizing pipe 23, the pressure equalizing pipe 23 comprises a first pressure equalizing pipe 231 and a second pressure equalizing pipe 232, one end of the first pressure equalizing pipe 231 is connected with the upper part of the first nitrogen adsorption tank 11, the other end of the first pressure equalizing pipe 231 is connected with the second air inlet pipe 213, one end of the second pressure equalizing pipe 232 is connected with the upper part of the second nitrogen adsorption tank 12, and the other end of the second pressure equalizing pipe 232 is connected with the first air inlet pipe 212. The pipeline system 2 further comprises an exhaust pipe 23, wherein one end of the exhaust pipe 23 is connected with the first air inlet pipe 212, the other end of the exhaust pipe 23 is connected with the second air inlet pipe 213, and a main exhaust pipe 24 is arranged on the exhaust pipe 23. The pipeline system 2 further comprises a thin pipe 25, one end of the thin pipe 25 is connected with the first air outlet pipe 222, and the other end of the thin pipe 25 is connected with the second air outlet pipe 223.
The present embodiment includes the following flow in the process of using and switching the first nitrogen adsorption tank 11 and the second nitrogen adsorption tank 12:
the preparation process of the first nitrogen adsorption tank 11 comprises the following steps: when the first nitrogen adsorption tank 11 is used for preparation, the feed gas enters from the main gas inlet pipe 211 at the moment, the second gas inlet pipe 213 and the second gas outlet pipe 223 are closed, the first pressure equalizing pipe 231 and the second pressure equalizing pipe 232 are closed at the moment, the electromagnetic valve on the gas outlet pipe 23 is also in a closed state, the gas enters the first nitrogen adsorption tank 11 from the first gas inlet pipe 212, and then the prepared nitrogen is discharged from the first gas outlet pipe 222 through the main gas outlet pipe 221;
the first nitrogen adsorption tank 11 flat pressing process: when the first nitrogen adsorption tank 11 is subjected to the flat pressing, the first air inlet pipe 212 and the first air outlet pipe 222 are closed, the first flat pressing pipe 231 and the second air outlet pipe 223 are opened, the gas in the first nitrogen adsorption tank 11 is pressed into the second nitrogen adsorption tank 12 through the first flat pressing pipe 231 under the action of the internal pressure, then enters the second air outlet pipe 223 after the adsorption is performed, and the first flat pressing pipe 231 is closed after the flat pressing is finished.
The regeneration process of the first nitrogen adsorption tank 11: in the regeneration process of the first nitrogen adsorption tank 11, the electromagnetic valve close to the second air inlet pipe 213 on the exhaust pipe 23 is kept closed, the electromagnetic valve close to the first air inlet pipe 212 on the exhaust pipe 23 is opened, the total air outlet pipe 221 is closed, nitrogen generated in the flat pressing process backflushes the first nitrogen adsorption tank 11 at the moment, the second air inlet pipe 213 is opened, raw material gas sequentially passes through the total air inlet pipe 211, the second air inlet pipe 213 and the second nitrogen adsorption tank 12 to form high-purity nitrogen, then the nitrogen enters the first nitrogen adsorption tank 11 from the top through the second air outlet pipe 223 and then enters the exhaust pipe 23 from the first air inlet pipe 212 to be finally discharged;
the preparation process of the second nitrogen adsorption tank 12: when the first nitrogen adsorption tank 11 completes regeneration, the electromagnetic valves on the first gas outlet pipe 222 and the gas outlet pipe 23 close to the first gas inlet pipe 212 are closed, the main gas outlet pipe 221 is opened, gas enters the second nitrogen adsorption tank 12 from the second gas inlet pipe 213, and then the prepared nitrogen is discharged from the second gas outlet pipe 223 through the main gas outlet pipe 221;
the flat pressing process of the second nitrogen adsorption tank 12: when the second nitrogen adsorption tank 12 is subjected to the flat pressing, the second gas inlet pipe 213 and the second gas outlet pipe 223 are closed, the second flat pressing pipe 232 and the first gas outlet pipe 222 are opened, the gas in the second nitrogen adsorption tank 12 is pressed into the first nitrogen adsorption tank 11 through the second flat pressing pipe 232 under the action of the internal pressure, then enters the first gas outlet pipe 222 after the adsorption is performed, and the second flat pressing pipe 232 is closed after the flat pressing is finished.
The regeneration process of the first nitrogen adsorption tank 11: in the regenerated in-process at second nitrogen adsorption tank 12, keep closing the solenoid valve that is close to first intake pipe 212 on the blast pipe 23, open the solenoid valve that is close to second intake pipe 213 on the blast pipe 23, close total outlet duct 221 simultaneously, the nitrogen gas recoil second nitrogen adsorption tank 12 of the production of concora crush in-process this moment, open first intake pipe 212 simultaneously, the feed gas loops through total inlet duct 211, first intake pipe 212, first nitrogen adsorption tank 11 becomes the high nitrogen gas of purity, then through first outlet duct 222, second outlet duct 223 gets into second nitrogen adsorption tank 12 from the top, get into blast pipe 23 from second intake pipe 213 and discharge at last, just can switch into first nitrogen adsorption tank 11 preparation process afterwards, the utility model adopts the above-mentioned structure and method can realize the utility model discloses two nitrogen adsorption tank 1's fast switch-over.
Claims (4)
1. The utility model provides a high-efficient nitrogen making equipment, includes two nitrogen gas adsorption tanks and pipe-line system, its characterized in that: the nitrogen adsorption tank adopts a molecular sieve adsorption tank, the pipeline system comprises an air inlet pipe and an air outlet pipe, the air inlet pipe comprises a main air inlet pipe, a first air inlet pipe and a second air inlet pipe, the first air inlet pipe and the second air inlet pipe are connected with the main air inlet pipe, the main air inlet pipe is externally connected with an air compressor set, the nitrogen adsorption tank comprises a first nitrogen adsorption tank and a second nitrogen adsorption tank, the first air inlet pipe is connected with the bottom of the first nitrogen adsorption tank, the second air inlet pipe is connected with the bottom of the second nitrogen adsorption tank, the air outlet pipe comprises a main air outlet pipe, a first air outlet pipe and a second air outlet pipe, the first air outlet pipe and the second air outlet pipe are connected with the main air outlet pipe, the first air outlet pipe is connected to the top of the first nitrogen adsorption tank, and the second air outlet pipe is connected to the top of the second nitrogen adsorption tank.
2. The high efficiency nitrogen plant of claim 1, wherein: the pipeline system further comprises a pressure equalizing pipe, wherein the pressure equalizing pipe comprises a first pressure equalizing pipe and a second pressure equalizing pipe, one end of the first pressure equalizing pipe is connected with the upper portion of the first nitrogen adsorption tank, the other end of the first pressure equalizing pipe is connected with the second air inlet pipe, one end of the second pressure equalizing pipe is connected with the upper portion of the second nitrogen adsorption tank, and the other end of the second pressure equalizing pipe is connected with the first air inlet pipe.
3. The high efficiency nitrogen plant of claim 2, wherein: the pipeline system further comprises an exhaust pipe, one end of the exhaust pipe is connected with the first air inlet pipe, the other end of the exhaust pipe is connected with the second air inlet pipe, and a main exhaust pipe is arranged on the exhaust pipe.
4. A high efficiency nitrogen plant according to claim 3, characterized in that: the pipeline system further comprises a thin pipe, one end of the thin pipe is connected with the first air outlet pipe, and the other end of the thin pipe is connected with the second air outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582374.6U CN213834553U (en) | 2020-08-03 | 2020-08-03 | High-efficient nitrogen making equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021582374.6U CN213834553U (en) | 2020-08-03 | 2020-08-03 | High-efficient nitrogen making equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213834553U true CN213834553U (en) | 2021-07-30 |
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ID=76987811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021582374.6U Expired - Fee Related CN213834553U (en) | 2020-08-03 | 2020-08-03 | High-efficient nitrogen making equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213834553U (en) |
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2020
- 2020-08-03 CN CN202021582374.6U patent/CN213834553U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |