阅读说明：本技术 一种用于高纯氮气制取空压气站 (Air compression station for preparing high-purity nitrogen ) 是由 孙小琴 胡培生 魏运贵 胡明辛 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种用于高纯氮气制取空压气站,属于空压气站技术领域,包括气体模块、运行模块、计算分析模块和调控模块；气体模块包含检测单元和分选单元；检测单元用于对原料气体进行数据采集,得到原料信息,对原料信息进行分析判断,并通过分选单元将原料气体进行输送过滤或者氮气制取；运行模块用于对原料气体的制取进行数据采集,得到运行信息；计算分析模块用于对运行信息进行数据处理,得到处理集；对处理集进行计算,得到氮气的制监值；对制监值进行分析,得到氮气分析集；调控模块根据氮气分析集对氮气的制取进行调控；本发明用于解决现有方案中氮气制取效果不佳的技术问题。(The invention discloses an air compression gas station for preparing high-purity nitrogen, which belongs to the technical field of air compression gas stations and comprises a gas module, an operation module, a calculation and analysis module and a regulation and control module; the gas module comprises a detection unit and a sorting unit; the detection unit is used for acquiring data of the raw gas to obtain raw material information, analyzing and judging the raw material information, and conveying and filtering the raw material gas or preparing nitrogen through the sorting unit; the operation module is used for acquiring data of the preparation of the raw material gas to obtain operation information; the calculation analysis module is used for carrying out data processing on the operation information to obtain a processing set; calculating the processing set to obtain a nitrogen monitoring value; analyzing the monitoring value to obtain a nitrogen analysis set; the regulation and control module regulates and controls the preparation of the nitrogen according to the nitrogen analysis set; the invention is used for solving the technical problem of poor nitrogen preparation effect in the existing scheme.)

1. A is used for high-purity nitrogen to prepare air compressor gas station, its characterized in that includes: the gas module comprises a detection unit and a sorting unit, wherein the detection unit is used for carrying out data acquisition on the raw gas to obtain raw material information, analyzing and judging the raw material information, and conveying and filtering the raw material gas or preparing nitrogen through the sorting unit; the operation module is used for acquiring data of the preparation of the raw material gas to obtain operation information; the calculation analysis module is used for carrying out data processing on the operation information to obtain a processing set; calculating the processing set to obtain a nitrogen monitoring value; analyzing the monitoring value to obtain a nitrogen analysis set; and the regulation and control module regulates and controls the preparation of the nitrogen according to the nitrogen analysis set.

2. The station of claim 1, further comprising a gas storage module for storing the produced nitrogen gas and a prompt module; the prompting module is used for prompting the stored nitrogen.

3. The station of claim 2, wherein the feed information comprises content type and content concentration; the operation information comprises operation temperature, operation air pressure, pressure equalizing time, gas production time and preparation times.

4. The station of claim 3, wherein the step of analyzing and determining the raw material information comprises: acquiring the content type and the content concentration in the raw material information, and marking the content type and the content correlation value corresponding to the content type; carrying out value taking and marking on the content concentration; classifying and combining all the marked data to obtain raw material marking information; and obtaining the content value of the original gas according to the marking information of the raw material, and analyzing and matching to obtain a detection result.

5. The station of claim 4, wherein the specific steps of obtaining the content value of the original gas according to the raw material marking information and performing analysis matching comprise: carrying out normalization processing and value taking on various marked data in the raw material marking information, and obtaining the content value of the original gas through calculation; matching the score value with a preset score threshold value, if the score value is not greater than the score threshold value, generating a first matching signal and carrying out nitrogen preparation on the original gas; and if the score value is larger than the score threshold value, generating a second matching signal and carrying out conveying filtration on the original gas.

6. The station of claim 5, wherein the data processing of the operational information comprises: acquiring the operation temperature, the operation air pressure, the pressure equalizing time, the gas production time and the preparation times in the operation information, and respectively taking and marking the operation temperature, the operation air pressure, the pressure equalizing time, the gas production time and the preparation times; and classifying and combining the marked data to obtain a processing set.

7. The station of claim 6, wherein the processing set is calculated by the steps comprising: and carrying out normalization processing on all the data marked in the processing set, taking values, and calculating to obtain a monitoring value of the nitrogen.

8. The station of claim 7, wherein the step of analyzing the monitored values comprises: and matching the monitoring value with a preset monitoring threshold value to obtain a nitrogen analysis set containing a first monitoring signal and a second monitoring signal.

9. The station of claim 8, wherein the step of regulating the production of nitrogen based on the nitrogen analysis set comprises: and regulating and controlling the nitrogen preparation environment according to a first monitoring signal in the nitrogen analysis set until the regulated and controlled nitrogen preparation monitoring value is greater than a monitoring threshold value.

Technical Field

The invention relates to the technical field of air compression gas stations, in particular to an air compression gas station for preparing high-purity nitrogen.

Background

The air compression station is a compressed air station and consists of an air compressor, an air storage tank, air treatment and purification equipment and a cold dryer, and an air source is an energy source or a power source of an air pressure transmission system.

When the existing air compression station for preparing high-purity nitrogen is used, the gas is not detected and sieved before the nitrogen is prepared, so that unqualified gas is prepared by the nitrogen, and the preparation of the nitrogen cannot be dynamically adjusted, so that the preparation effect of the nitrogen is poor.

Disclosure of Invention

The invention aims to provide an air compression station for preparing high-purity nitrogen, and mainly aims to solve the technical problem that the nitrogen preparation effect is poor in the existing scheme.

The purpose of the invention can be realized by the following technical scheme:

a station for preparing air pressure gas from high-purity nitrogen comprises a gas module, an operation module, a calculation analysis module and a regulation and control module; the gas module comprises a detection unit and a sorting unit;

the detection unit is used for acquiring data of the raw gas to obtain raw material information, analyzing and judging the raw material information, and conveying and filtering the raw material gas or preparing nitrogen through the sorting unit; the operation module is used for acquiring data of the preparation of the raw material gas to obtain operation information; the calculation analysis module is used for carrying out data processing on the operation information to obtain a processing set; calculating the processing set to obtain a nitrogen monitoring value; analyzing the monitoring value to obtain a nitrogen analysis set; and the regulation and control module regulates and controls the preparation of the nitrogen according to the nitrogen analysis set.

The device further comprises a gas storage module and a prompt module, wherein the gas storage module is used for storing the prepared nitrogen; the prompting module is used for prompting the stored nitrogen.

Further, the raw material information comprises content type and content concentration; the operation information comprises operation temperature, operation air pressure, pressure equalizing time, gas production time and preparation times.

Further, the specific steps of analyzing and judging the raw material information include: acquiring the content type and the content concentration in the raw material information, and marking the content type as HL; setting different content types to correspond to different content correlation values, matching the content types in the raw material information with all the content types to obtain corresponding content correlation values, and marking the content correlation values as Bi, i is 1,2,3. Carrying out value taking and marking on the content concentration, and marking the content concentration as Ni; classifying and combining all the marked data to obtain raw material marking information; and obtaining the content value of the original gas according to the marking information of the raw material, and analyzing and matching to obtain a detection result.

Further, the specific steps of obtaining the content value of the original gas according to the marking information of the raw material and performing analysis and matching comprise: carrying out normalization processing and value taking on various marked data in the raw material marking information, and obtaining the value through a formulaCalculating to obtain the content value of the original gas; wherein eta is expressed as a gas correction factor, the value range is (0,1), the score is matched with a preset score threshold, if the score is not greater than the score threshold, a first matching signal is generated, and nitrogen gas preparation is carried out on the original gas according to the first matching signal; and if the score value is greater than the score threshold value, generating a second matching signal, and conveying and filtering the original gas according to the second matching signal.

Further, the specific step of performing data processing on the operation information includes: acquiring the operation temperature, the operation air pressure, the pressure equalizing time, the gas production time and the preparation times in the operation information, respectively taking and marking the operation temperature, the operation air pressure, the pressure equalizing time, the gas production time and the preparation times, and marking the operation temperature as C1; mark the operating pressure as C2; mark the grading duration as C3; marking the gas production time as C4; marking the making times as C5; and classifying and combining the marked data to obtain a processing set.

Further, the specific step of computing the processing set comprises: normalizing and taking values of all items of data marked in the processing set by using a formulaCalculating and obtaining a monitoring value of the nitrogen; mu is expressed as a prepared compensation factor, the value range is (0,2), and a1, a2, a3, a4 and a5 are expressed as different proportionality coefficients.

Further, the specific steps of analyzing the monitoring value include: matching the monitoring value with a preset monitoring threshold value, and if the monitoring value is not greater than the monitoring threshold value, generating a first monitoring signal; if the monitoring value is larger than the monitoring threshold value, generating a second monitoring signal; the first monitoring signal and the second monitoring signal comprise a nitrogen analysis set.

Further, the specific steps of regulating and controlling the preparation of the nitrogen according to the nitrogen analysis set comprise: if the nitrogen analysis set contains the first monitoring signal, a regulation and control instruction is generated according to the first monitoring signal, and the nitrogen preparation environment is regulated and controlled according to the regulation and control instruction until the regulated and controlled nitrogen preparation monitoring value is larger than a monitoring and control threshold value.

The invention has the beneficial effects that:

the method comprises the following steps of carrying out data acquisition on raw material gas through a detection unit in a gas module to obtain raw material information, analyzing and judging the raw material information, and conveying and filtering or preparing nitrogen through a sorting unit; by detecting and analyzing the raw material gas, the unqualified raw material gas is filtered until the raw material gas is qualified, and then the nitrogen is prepared, so that the quality of nitrogen preparation can be effectively improved; acquiring data of the preparation of the raw material gas through an operation module to obtain operation information; performing data processing on the operation information through a calculation analysis module to obtain a processing set; calculating the processing set to obtain a nitrogen monitoring value; analyzing the monitoring value to obtain a nitrogen analysis set; the regulation and control module regulates and controls the preparation of the nitrogen according to the nitrogen analysis set; through data acquisition, processing, computational analysis and regulation and control on the preparation of the nitrogen, the preparation of the nitrogen can be dynamically adjusted, so that the prepared nitrogen keeps high purity, and the preparation effect of the nitrogen is effectively improved.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic block diagram of a station for producing air pressure from high purity nitrogen in accordance with the present invention.

FIG. 2 is a schematic diagram of the gas module of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention is a station for preparing compressed air from high purity nitrogen, including a gas module, an operation module, a calculation and analysis module, a regulation and control module, a gas storage module and a prompt module, where the gas storage module is used to store the prepared nitrogen; the prompting module is used for prompting the stored nitrogen.

Referring to fig. 2, the gas module includes a detection unit and a sorting unit, the detection unit is configured to perform data acquisition on a raw gas to obtain raw material information, the raw material information includes content types and content concentrations, the content types include but are not limited to particulate matters and organic gases, and the organic gases include methane, acetylene, ethylene, formaldehyde, methyl chloride, and the like; analyzing and judging the raw material information, and conveying and filtering the raw material gas or preparing nitrogen through a sorting unit; the specific steps of analyzing and judging the raw material information comprise: acquiring the content type and the content concentration in the raw material information, and marking the content type as HL; setting different content types to correspond to different content correlation values, matching the content types in the raw material information with all the content types to obtain corresponding content correlation values, and marking the content correlation values as Bi, i is 1,2,3. Carrying out value taking and marking on the content concentration, and marking the content concentration as Ni; classifying and combining all the marked data to obtain raw material marking information;

obtaining the content value of the original gas according to the raw material marking information, analyzing and matching, carrying out normalization processing and value taking on various marked data in the raw material marking information, and obtaining the value through a formulaCalculating to obtain the content value of the original gas; wherein eta is expressed as a gas correction factor, the value of eta can be 0.66856, the score is matched with a preset score threshold, if the score is not greater than the score threshold, a first matching signal is generated, and nitrogen gas preparation is carried out on the original gas according to the first matching signal; and if the score value is greater than the score threshold value, generating a second matching signal, conveying and filtering the original gas according to the second matching signal, and forming a detection result by the first matching signal and the second matching signal.

The molecular sieve air separation nitrogen production method takes air as a raw material and a carbon molecular sieve as an adsorbent, applies a pressure swing adsorption principle, and utilizes selective adsorption of the carbon molecular sieve on oxygen and nitrogen to separate the nitrogen and the oxygen. Particulate matter and organic gas in the air get into the adsorption tower and can block up the micropore of carbon molecular sieve to make carbon molecular sieve's separation performance reduce gradually, detect and assay original air, make in pure raw materials air gets into carbon molecular sieve adsorption tower very necessary, in this embodiment, handle and calculate the analysis through content type and content concentration to in the raw materials gas, judge whether raw materials gas is qualified, carry out nitrogen gas with qualified raw materials gas and prepare, can improve nitrogen gas's the effect of preparing.

The operation module is used for acquiring data of the preparation of the raw material gas to obtain operation information, and the operation information comprises operation temperature, operation air pressure, pressure equalizing time, gas production time and preparation times; the calculation analysis module is used for carrying out data processing on the operation information to obtain a processing set; the method comprises the following specific steps: acquiring the operation temperature, the operation air pressure, the pressure equalizing time, the gas production time and the preparation times in the operation information, respectively taking and marking the operation temperature, the operation air pressure, the pressure equalizing time, the gas production time and the preparation times, and marking the operation temperature as C1; mark the operating pressure as C2; mark the grading duration as C3; marking the gas production time as C4; marking the preparation times as C5, wherein the preparation times influence the preparation effect of the nitrogen; classifying and combining the marked data to obtain a processing set; the pressure equalizing time length indicates a process of preparing nitrogen by the carbon molecular sieve, when adsorption of the adsorption tower is finished, pressurized gas in the adsorption tower can be injected into another regenerated adsorption tower from the upper direction and the lower direction, the gas pressure of the two towers is the same, the process is called the pressure equalizing of the adsorption tower, and the proper pressure equalizing time is selected, so that energy can be recovered, and the impact force on the molecular sieve in the adsorption tower can be relieved, thereby prolonging the service life of the carbon molecular sieve; the gas production duration shows that the adsorbed oxygen is balanced in a short time according to different absorption and diffusion rates of the carbon molecular sieve to oxygen and nitrogen, at the moment, the nitrogen adsorption amount is less, the gas production time is shorter, and the gas production rate of the carbon molecular sieve can be effectively improved.

Calculating the processing set to obtain a nitrogen monitoring value; the method comprises the following steps: normalizing and taking values of all items of data marked in the processing set by using a formulaCalculating and obtaining a monitoring value of the nitrogen; mu is expressed as a compensation factor, and the values can be 1.95474, and a1, a2, a3, a4 and a5 are expressed as different proportionality coefficients.

Analyzing the monitoring value, matching the monitoring value with a preset monitoring threshold value, and generating a first monitoring signal if the monitoring value is not greater than the monitoring threshold value; if the monitoring value is larger than the monitoring threshold value, generating a second monitoring signal; the first monitoring signal and the second monitoring signal comprise a nitrogen analysis set.

The regulation and control module regulates and controls the preparation of the nitrogen according to the nitrogen analysis set, and comprises the following specific steps: if the nitrogen analysis set comprises the first monitoring signal, a regulation and control instruction is generated according to the first monitoring signal, the nitrogen preparation environment is regulated and controlled according to the regulation and control instruction until the regulated and controlled monitoring value of the nitrogen preparation is larger than a monitoring and control threshold value, and the regulation and control can regulate the operation temperature, the operation air pressure, the pressure equalizing time or the gas production time.

In this embodiment, through gathering and handling each item operating data when preparing nitrogen gas for each item data standardization is convenient for calculate, obtains the system supervision value and carries out the analysis through calculating, can carry out the overall analysis to the condition that nitrogen gas was prepared, prepares for high-purity nitrogen gas and provides effectual data support, has overcome and can not carry out efficient monitoring analysis and timely adjustment to preparing of nitrogen gas in the current scheme, leads to the not good defect of purity that nitrogen gas was prepared.

The formulas in the invention are all a formula which is obtained by removing dimensions and taking numerical value calculation, and software simulation is carried out by collecting a large amount of data to obtain the formula closest to the real condition, and the preset proportionality coefficient and the threshold value in the formula are set by the technical personnel in the field according to the actual condition or are obtained by simulating a large amount of data.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.