阅读说明：本技术 一种具有远程控制功能的工业废气检测设置 (Industrial waste gas detection device with remote control function ) 是由 李安 罗久云 郭涛 余传鑫 李智龙 于 2020-12-28 设计创作，主要内容包括：本发明公开了一种具有远程控制功能的工业废气检测设置,其特征在于：废气检测装置包括分流富集组件和检测组件,分流富集组件将工业废气根据需求分流富集目标物并排往检测组件进行检测。分流富集组件通过电、磁、温度等特性,将全部的分气分流为几路,其中的一路含有较多组分的目标有害物,而其他流路上则该组分含有量较少,分流后的废气,将目标有害物通入到检测组件内,进行针对性检出操作,从而更加准确确定目标物质在废气中的存在情况。(The invention discloses an industrial waste gas detection device with a remote control function, which is characterized in that: waste gas detection device is including reposition of redundant personnel enrichment subassembly and determine module, and the reposition of redundant personnel enrichment subassembly shunts industrial waste gas according to the demand enrichment target object and moves to determine module side by side and detect. The reposition of redundant personnel enrichment subassembly passes through characteristics such as electricity, magnetism, temperature, divides the reposition of redundant personnel of whole branch gas into several ways, and wherein one way contains the target harmful substance of more components, and then this component content is less on other flow paths, and the operation is checked out to the pertinence in letting in the detection component with the target harmful substance to the waste gas after the reposition of redundant personnel to the more accurate existence condition of confirming the target material in the waste gas.)

1. The utility model provides an industrial waste gas detects setting with remote control function which characterized in that: waste gas detection device is including reposition of redundant personnel enrichment subassembly (1) and determine module (3), reposition of redundant personnel enrichment subassembly (1) is with industrial waste gas according to demand reposition of redundant personnel enrichment target object and is gone to determine to test module (3) side by side.

2. The industrial waste gas detection device with the remote control function according to claim 1, wherein: the flow dividing and enriching assembly (1) comprises a shell (11), a first flow dividing cylinder (12), a second flow dividing cylinder (13), a first electrostatic rod (14) and a second electrostatic rod (15), wherein an inlet (11) is arranged at one end of the shell (11), a first discharge port (102), a second discharge port (103) and a third discharge port (104) are respectively arranged on the side wall of the shell (11), the first flow dividing cylinder (12) and the second flow dividing cylinder (13) which are positioned on the same straight line with the inlet (101) are arranged in the shell (11),

the first flow-dividing cylinder (12) divides the air flow entering from the inlet (101) into two parts: one enters the first splitter cylinder (12), the other flows from the outer side of the first splitter cylinder (12) to the first discharge port (102),

the second flow dividing cylinder (13) divides the gas entering from the inlet of the first flow dividing cylinder (12) into two parts: one enters the second shunt cylinder (13), and the other flows to the second discharge port (103) from the outer side of the second shunt cylinder (13),

the gas entering the second flow-dividing cylinder (13) flows to a third discharge port (104);

the first electrostatic rod (14) is installed at the inlet position of the first shunt cylinder (12) through an insulating support frame and extends out of the first shunt cylinder (12); the second static rod (15) is installed at the inlet position of the second shunt cylinder (13) through an insulating support frame and extends out of the second shunt cylinder (13), and the charge quantity carried on the first static rod (14) is larger than that carried on the second static rod (15).

3. The industrial waste gas detection device with the remote control function according to claim 2, wherein: the waste gas detection device further comprises an inlet pipe (21), an exhaust pipe (22) and a detection pipe (23), wherein the inlet pipe (21) is connected with the inlet (101), the first exhaust port (102) and the third exhaust port (103) are connected to the exhaust pipe (22) in a confluence manner, one end of the detection pipe (23) is connected with the second exhaust port (103), and the other end of the detection pipe is connected to the detection assembly (3);

detection element (3) include cold trap (31), gas chromatograph (32), first three-way valve (33), second three-way valve (34), inlet pipe (35), advance appearance pipe (36), exhaust gas pipe (37) and year trachea (38), cold trap (31) adsorption process inlet end is head end (311), and cold trap (31) desorption process inlet end is tail end (312), inlet pipe (35), appearance pipe (36) and head end (311) are connected respectively in first three-way valve (33), exhaust gas pipe (37), year trachea (38) and tail end (312) are connected respectively in second three-way valve (34), it is connected to gas chromatograph (32) to advance appearance pipe (36), detection tube (23) are connected to inlet pipe (35), exhaust gas pipe (37) are gathered to on blast pipe (22).

4. The industrial waste gas detection device with the remote control function according to claim 3, wherein: the waste gas detection device further comprises a controller (4), and the controller (4) is connected with the gas chromatograph (32), the first electrostatic rod (14) and the second electrostatic rod (35) through electric signals.

5. The industrial waste gas detection device with the remote control function according to claim 4, wherein: the controller (4) is provided with remote communication. Remote communication allows monitoring personnel to remotely obtain information on the composition of the exhaust.

6. The industrial waste gas detection device with the remote control function according to claim 5, wherein: the remote communication mode of the controller (4) is GSM.

7. The industrial waste gas detection device with the remote control function according to claim 3, wherein: and the discharge channels of the first discharge port (102), the second discharge port (103) and the third discharge port (104) are provided with one-way valves and pressure regulating valves, and the flow rates of the three flow paths are regulated by the pressure regulating valves to be consistent.

Technical Field

The invention relates to the technical field of waste gas detection, in particular to an industrial waste gas detection device with a remote control function.

Background

The method comprises the following steps of (1) waste gas detection, wherein the waste gas is analyzed chemically, physically and the like to determine whether harmful substance components are contained in the waste gas and whether the proportion of the harmful substances allowed to be discharged is reduced below an allowable value;

taking chromatographic analysis as an example, different harmful molecules cause absorption peaks in a chromatographic column, and harmful species are determined after comparison, however, if all waste gas is directly introduced into a chromatograph, the similar absorption peaks are overlapped in a staggered manner, so that comparison results and judgment are influenced, and further analysis is influenced;

in industrial waste gas detection, a certain specific harmful substance needs to be detected sometimes, and a substance close to a detection peak value influences detection and judgment of a target object.

Disclosure of Invention

The present invention is directed to an industrial waste gas detection device with remote control function, so as to solve the problems of the background art mentioned above.

In order to solve the technical problems, the invention provides the following technical scheme:

the utility model provides an industrial waste gas detects setting with remote control function which characterized in that: waste gas detection device is including reposition of redundant personnel enrichment subassembly and determine module, and the reposition of redundant personnel enrichment subassembly shunts industrial waste gas according to the demand enrichment target object and moves to determine module side by side and detect.

The reposition of redundant personnel enrichment subassembly passes through characteristics such as electricity, magnetism, temperature, divides the reposition of redundant personnel of whole branch gas into several ways, and wherein one way contains the target harmful substance of more components, and then this component content is less on other flow paths, and the operation is checked out to the pertinence in letting in the detection component with the target harmful substance to the waste gas after the reposition of redundant personnel to the more accurate existence condition of confirming the target material in the waste gas.

Furthermore, the shunt enrichment assembly comprises a shell, a first shunt cylinder, a second shunt cylinder, a first electrostatic rod and a second electrostatic rod, wherein an inlet is arranged at one end of the shell, a first discharge port, a second discharge port and a third discharge port are respectively arranged on the side wall of the shell, the first shunt cylinder and the second shunt cylinder which are positioned on the same straight line with the inlet are arranged in the shell,

the first flow dividing cylinder divides the air flow entering from the inlet into two parts: one strand enters the first shunt cylinder, the other strand flows to the first discharge port from the outer side of the first shunt cylinder,

the second flow-dividing cylinder divides the gas entering from the inlet of the first flow-dividing cylinder into two parts: one flow enters the second flow dividing cylinder, the other flow flows to the second discharge port from the outer side of the second flow dividing cylinder,

the gas entering the second flow dividing cylinder flows to a third discharge port;

the first electrostatic rod is arranged at the inlet of the first shunt cylinder through an insulating support frame and extends out of the first shunt cylinder; the second electrostatic rod is installed at the inlet of the second shunt cylinder through an insulating support frame and extends out of the second shunt cylinder, and the electric charge quantity carried on the first electrostatic rod is more than that carried on the second electrostatic rod.

In the inlet of the waste gas, the gas molecules have different structures and have different dipole moments, such as nitrogen and oxygen molecules, absolute uniform structure molecules, the dipole moment of which is zero, and the carbon dioxide molecules, although the carbon-nitrogen bonds have dipole moments, one carbon dioxide molecule has two carbon-nitrogen bonds and the bonds are symmetrical, so that the carbon dioxide is nonpolar, and the gas hazards of carbon monoxide, nitrogen dioxide, sulfur dioxide and the like are almost polar molecules, the dipole moment of the atomic bonding bond is expanded into the positive and negative charge noncoincidence characteristic of the molecules and is utilized, the molecular polar moment is called as the 'polar moment' of the molecules in the application, namely the product of the positive and negative charge center distances and the charge quantity of the whole molecules, different molecules of the hazards have different polar moments, and the larger molecules of the polar moment are replaced by ellipses with larger difference values of long and short axes, smaller polar moment molecules are replaced by major and minor axis ellipses with smaller difference values, originally, the flow of gas is disordered, and the angular direction is disordered, however, when encountering charged components, the first electrostatic rod is provided with a plurality of positive charges, the like charges repel each other, the opposite charges attract each other, the disordered polar molecules rotate, the negative charge end faces the first electrostatic rod, and the positive charge end deviates from the first electrostatic rod, although the molecules are electrically neutral as a whole, a single molecule does not move towards the first electrostatic rod due to the existence of an electric field, but for two molecules with different polar moments, the negative charge end of the molecule with larger polar moment receives the same attraction force, but because the positive charge end of the molecule with larger polar moment is far away from the surface of the first electrostatic rod, the molecule with larger polar moment receives smaller repulsive force, the molecule with larger polar moment easily stays near the surface of the first electrostatic rod in the gas flowing process, the molecules with smaller polar moment are washed away, after a layer of polar molecules is distributed outside the first electrostatic rod, the positive charge end can attract the rest polar molecules, so that the molecules are distributed in a layered way by taking the electrostatic rod as the center, the molecules with weak polarity on the outer layer are discharged to the first discharge port along with the continuous backward flow, the molecules with medium polarity and large polarity enter the first shunt cylinder, the separation action is generated again at the second shunt cylinder, the average polar moment of the gas components discharged by the first discharge port, the second discharge port and the third discharge port is larger and larger, the enrichment action of the polar molecules near the electrostatic rod is increased along with the increase of the charges on the electrostatic rod, therefore, the polar range of the gas discharged at the second discharge port can be influenced by adjusting the charge quantity of the first electrostatic rod and the second electrostatic rod, and the gas discharged at the second discharge port is the target gas, this portion of the gas is passed to the detection module, and it should be noted that the present structure does not allow for accurate total separation of molecules of different polar moments, but rather only divides the exhaust gas into three and then increases the relative concentration in one of them.

Furthermore, the waste gas detection device also comprises an inlet pipe, an exhaust pipe and a detection pipe, wherein the inlet pipe is connected with the inlet, the first exhaust port and the third exhaust port are connected to the exhaust pipe in a confluence manner, one end of the detection pipe is connected with the second exhaust port, and the other end of the detection pipe is connected to the detection assembly;

the detection assembly comprises a cold trap, a gas chromatograph, a first three-way valve, a second three-way valve, an inlet pipe, an exhaust pipe and a gas carrying pipe, wherein the inlet end of the cold trap adsorption process is a head end, the inlet end of the cold trap desorption process is a tail end, the first three-way valve is respectively connected with the inlet pipe, the inlet pipe and the head end, the second three-way valve is respectively connected with the exhaust pipe, the gas carrying pipe and the tail end, the inlet pipe is connected to the gas chromatograph, the inlet pipe is connected with a detection pipe, and the exhaust pipe is gathered on.

The gas chromatograph included in the detection assembly can detect gases with a plurality of components in a universal way, the cold trap can enrich the substances to be detected, the adsorbent in the cold trap adsorbs harmful gases,

during the adsorption process, the first three-way valve is connected with the feeding pipe and the head end, the second three-way valve is connected with the tail end exhaust gas pipe, the feeding pipe enters the cold trap after primary enriched gas enters, adsorption is carried out at a lower temperature, and redundant gas is discharged from the exhaust gas pipe;

during desorption, the clean dry carrier gas blows the gas molecules desorbed in the cold trap at a higher temperature into the gas chromatograph for detection.

Further, the exhaust gas detection device further comprises a controller, and the controller is connected with the gas chromatograph, the first electrostatic rod and the second electrostatic rod through electric signals. The detection signal of the gas chromatograph is transmitted into the controller, and the controller respectively adjusts the electric charge quantity on the first electrostatic rod and the second electrostatic rod to change the polar moment range of the gas discharged from the second discharge port, namely, change the target object led to the detection assembly.

Further, the controller is provided with remote communication. Remote communication allows monitoring personnel to remotely obtain information on the composition of the exhaust. After the remote communication, the charge quantity of the first electrostatic stick and the charge quantity of the second electrostatic stick can be adjusted manually by a monitoring person, so that the specific object can be detected quickly.

Further, the remote communication mode of the controller is GSM. The global system for mobile communication signal remote transmission is stable and reliable.

Furthermore, the first discharge port, the second discharge port and the third discharge port are provided with one-way valves and pressure regulating valves, and the flow rates of the three flow paths are regulated by the pressure regulating valves to be consistent.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the molecular arrangement conditions of different polarities in the waste gas are influenced by the charges, three shunt passages are conditionally created, the waste gas is discharged from the first discharge port, the second discharge port and the third discharge port respectively from small to large according to the polarities, the polarity range of the gas discharged from the second discharge port can be adjusted through the charge amount of the two electrostatic rods, and specific components are detected in a targeted and selective manner; the remote signal is added, so that the staff can conveniently perform remote selection and data acquisition.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the construction and flow distribution of the flow distribution enrichment assembly of the present invention;

FIG. 3 is a schematic view of the flow splitting principle at the first flow splitting barrel of the present invention;

FIG. 4 is a schematic view of the detection assembly adsorption process of the present invention;

FIG. 5 is a schematic view of a desorption process of the detector assembly of the present invention.

In the figure: 1-flow splitting and enriching component, 101-inlet, 102-first outlet, 103-second outlet, 103-third outlet, 11-shell, 12-first flow splitting cylinder, 13-second flow splitting cylinder, 14-first electrostatic rod, 15-second electrostatic rod, 21-air inlet pipe, 22-air outlet pipe, 23-detection pipe, 3-detection component, 31-cold trap, 311-head end, 312-tail end, 32-gas chromatograph, 33-first three-way valve, 34-second three-way valve, 35-feeding pipe, 36-instrument inlet pipe, 37-waste gas pipe, 38-carrier gas pipe and 4-controller.

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. 1-5, the present invention provides the following technical solutions:

the utility model provides an industrial waste gas detects setting with remote control function which characterized in that: waste gas detection device is including reposition of redundant personnel enrichment subassembly 1 and determine module 3, and reposition of redundant personnel enrichment subassembly 1 shunts the enrichment target object with industrial waste gas according to the demand and moves detection module 3 side by side and detect.

The shunt enrichment component 1 shunts all the shunt gas into a plurality of paths through the characteristics of electricity, magnetism, temperature and the like, wherein one path contains the target harmful substance of more components, and other paths have less content of the components, and the shunted waste gas leads the target harmful substance into the detection component 3 for the targeted detection operation, thereby more accurately determining the existence condition of the target substance in the waste gas.

The flow splitting and enriching assembly 1 comprises a shell 11, a first flow splitting cylinder 12, a second flow splitting cylinder 13, a first static bar 14 and a second static bar 15, wherein one end of the shell 11 is provided with an inlet 11, the side wall of the shell 11 is respectively provided with a first discharge port 102, a second discharge port 103 and a third discharge port 104, the shell 11 is internally provided with the first flow splitting cylinder 12 and the second flow splitting cylinder 13 which are positioned on the same straight line with the inlet 101,

the first splitter cylinder 12 divides the air flow entering from the inlet 101 into two flows: one entering the first splitter cylinder 12 and the other flowing from the outside of the first splitter cylinder 12 to the first discharge port 102,

the second splitter cylinder 13 divides the gas entering from the inlet of the first splitter cylinder 12 into two parts: one enters the second splitter cylinder 13, the other flows from the outer side of the second splitter cylinder 13 to the second discharge port 103,

the gas entering the second flow-dividing cylinder 13 flows to the third discharge port 104;

the first electrostatic rod 14 is arranged at the inlet position of the first shunt cylinder 12 through an insulating support frame and extends out of the first shunt cylinder 12; the second static bar 15 is installed at the inlet position of the second shunt cylinder 13 through an insulating support frame and extends out of the second shunt cylinder 13, and the charge quantity on the first static bar 14 is more than that on the second static bar 15.

As shown in fig. 2 and 3, when the exhaust gas enters the inlet 101, the molecular structure of the gas is different and has different dipole moments, such as nitrogen and oxygen molecules, absolute uniform structural molecules, the dipole moment of which is zero, and carbon dioxide molecules, although the carbon-nitrogen bonds have dipole moments, one carbon dioxide molecule has two carbon-nitrogen bonds and the bonds are symmetrical, so that carbon dioxide is nonpolar, and gas hazards such as carbon monoxide, nitrogen dioxide, sulfur dioxide and the like are almost polar molecules, the application expands the dipole moment of the atomic bonding bonds into the positive and negative charge noncoincidence characteristic of the molecules and utilizes the positive and negative charge mismatch characteristic, which is called the "polar moment" of the molecules in the application, namely the positive and negative charge center distance and the product charge quantity of the whole molecules, and different hazardous substance molecules have different polar moments, as shown in fig. 3, the larger polar moment molecules are replaced by ellipses with longer and shorter axes with larger difference, the smaller polar moment molecules are replaced by the smaller difference major and minor axis ellipses, originally, the gas flows disorderly, the angular direction is also disorderly, however, when encountering charged components, as shown in fig. 3, the first electrostatic rod 14 has a plurality of positive charges, the same charges repel each other, the opposite charges attract each other, the disorderly arranged polar molecules rotate, the negative charge end faces the first electrostatic rod 14, and the positive charge end faces away from the first electrostatic rod 14, although the molecules are electrically neutral as a whole, so that a single molecule does not move towards the first electrostatic rod 14 due to the existence of an electric field, but for two molecules with different polar moments, the negative charge end of the molecule with the larger polar moment receives the same attraction force, but because the positive charge end of the molecule with the larger polar moment is far away from the surface of the first electrostatic rod 14, the molecule receives the smaller repulsive force, and therefore, during the gas flow, molecules with larger polar moment are easy to stay near the surface of the first electrostatic rod 14, while molecules with smaller polar moment are washed away, after a layer of polar molecules is distributed outside the first electrostatic rod 14, as shown in fig. 3, the positive charge end can attract the rest polar molecules, so that the molecules are distributed in a layered manner with the electrostatic rod as the center, as the molecules continue to flow backwards, molecules with weak polarity on the outer layer are discharged to the first discharge port 102, molecules with medium polarity and larger polarity enter the first shunt cylinder 12, the separation action occurs again at the second shunt cylinder 13, the average polar moment of the gas components discharged from the first discharge port 102, the second discharge port 103 and the third discharge port 104 is larger and larger, and the enrichment action of the polar molecules near the electrostatic rod can be increased along with the increase of charges on the electrostatic rod, so that the charge amount of the first electrostatic rod 14 and the second electrostatic rod 15 can be adjusted to influence the polar range of the gas discharged from the second discharge port 103, while the gas discharged from the second discharge port 103 is the target gas, and the part of the gas is led to the detection assembly 3, it should be noted that the present structure is not capable of accurately separating molecules with different polar moments all together, but only dividing the exhaust gas into three and then increasing the relative concentration in one of the three.

The waste gas detection device also comprises an inlet pipe 21, an exhaust pipe 22 and a detection pipe 23, wherein the inlet pipe 21 is connected with the inlet 101, the first exhaust port 102 and the third exhaust port 103 are connected to the exhaust pipe 22 in a confluence manner, one end of the detection pipe 23 is connected with the second exhaust port 103, and the other end of the detection pipe 23 is connected with the detection component 3;

the detection component 3 comprises a cold trap 31, a gas chromatograph 32, a first three-way valve 33, a second three-way valve 34, a feeding pipe 35, an instrument feeding pipe 36, a waste gas pipe 37 and a carrier gas pipe 38, wherein the gas inlet end of the cold trap 31 in the adsorption process is a head end 311, the gas inlet end of the cold trap 31 in the desorption process is a tail end 312, the first three-way valve 33 is respectively connected with the feeding pipe 35, the instrument feeding pipe 36 and the head end 311, the second three-way valve 34 is respectively connected with the waste gas pipe 37, the carrier gas pipe 38 and the tail end 312, the instrument feeding pipe 36 is connected to the gas chromatograph 32, the feeding pipe 35 is connected with the detection pipe 23.

The gas chromatograph 32 included in the detection assembly 3 can detect gases with many components in a universal manner, the cold trap 31 can enrich the substances to be detected again, the adsorbent in the cold trap 31 adsorbs harmful gases,

as shown in fig. 4, in the adsorption process, the first three-way valve 33 connects the feeding pipe 35 and the head end 311, the second three-way valve 34 connects the tail end 312 to the exhaust gas pipe 37, the feeding pipe 35 enters the cold trap 31 after undergoing primary enriched gas, and then the cold trap adsorbs the gas at a lower temperature, and the excess gas is discharged from the exhaust gas pipe 37;

as shown in fig. 5, the desorption process is performed by blowing the desorbed gas molecules at a higher temperature in the cold trap into the gas chromatograph 32 with clean dry carrier gas for detection.

The exhaust gas detection arrangement further comprises a controller 4, the controller 4 being in electrical signal connection with the gas chromatograph 32, the first electrostatic rod 14 and the second electrostatic rod 35.

The detected signal of the gas chromatograph 32 is transmitted to the controller 4, and the controller 4 adjusts the amount of charge on the first electrostatic rod 14 and the second electrostatic rod 35 respectively to change the polar moment range of the gas discharged at the second discharge port 103, i.e. change the target object led to the detection assembly 3.

The controller 4 carries out remote communication. Remote communication allows monitoring personnel to remotely obtain information on the composition of the exhaust. After the remote communication, the monitoring personnel can remotely and manually adjust the charge quantity of the first electrostatic rod 14 and the second electrostatic rod 35, so that the specific object can be quickly detected.

The remote communication mode of the controller 4 is GSM. The global system for mobile communication signal remote transmission is stable and reliable.

The discharge channels of the first discharge port 102, the second discharge port 103 and the third discharge port 104 are provided with one-way valves and pressure regulating valves, and the flow rates of the three flow paths are regulated by the pressure regulating valves to be consistent.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.