CN114858974A - VOC (volatile organic compound) online monitor for organic acid environment - Google Patents
VOC (volatile organic compound) online monitor for organic acid environment Download PDFInfo
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- CN114858974A CN114858974A CN202210409419.7A CN202210409419A CN114858974A CN 114858974 A CN114858974 A CN 114858974A CN 202210409419 A CN202210409419 A CN 202210409419A CN 114858974 A CN114858974 A CN 114858974A
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- 150000007524 organic acids Chemical class 0.000 title claims abstract description 29
- 239000012855 volatile organic compound Substances 0.000 title abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000003860 storage Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000000126 substance Substances 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000011358 absorbing material Substances 0.000 claims description 2
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009833 condensation Methods 0.000 abstract description 7
- 230000005494 condensation Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 36
- 238000004519 manufacturing process Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 7
- 230000005489 elastic deformation Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000005985 organic acids Nutrition 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 239000000499 gel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229910006069 SO3H Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910002028 silica xerogel Inorganic materials 0.000 description 1
- 125000005624 silicic acid group Chemical group 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003455 sulfinic acids Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 150000003566 thiocarboxylic acids Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/88—Replacing filter elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/28—Selection of materials for use as drying agents
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0029—Cleaning of the detector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
The invention relates to the technical field, in particular to a VOC (volatile organic compound) online monitor for an organic acid environment, which comprises: the outer surface of the lower end of the first shell is fixedly provided with a fixed rod close to the middle position; the air inlet pipe is connected to the position, close to the lower end edge, of the outer surface of the left side of the first shell in a penetrating mode; and the connecting plate is fixedly arranged on the inner bottom surface of the first shell and is close to the middle position. According to the invention, by arranging the auxiliary mechanism, when the VOC detection instrument works, moisture in gas entering the VOC detection instrument can be well removed, and the problem that the monitoring accuracy of the VOC detection instrument is influenced because the detected gas is easy to adhere to a pipeline due to condensation of the moisture in the detected gas when the air environment monitoring is carried out in some areas with higher humidity is avoided, so that the accuracy of the monitoring instrument is ensured, the detection effect of the VOC on-line monitor in an organic acid environment is ensured, and the overall practicability and universality are improved.
Description
Technical Field
The invention relates to the technical field, in particular to a VOC (volatile organic compound) online monitor for an organic acid environment.
Background
Organic acids refer to organic compounds that are acidic in nature. The most common organic acids are carboxylic acids (R-COOH), the acidity of which is derived from carboxyl groups (-COOH), sulfonic acids (R-SO3H), sulfinic acids (R-SOOH), thiocarboxylic acids (R-SH), etc., also belonging to the organic acids;
VOC is an abbreviation for Volatile organic Compounds, i.e., organic volatiles. Containing toluene, ethylbenzene, styrene, formaldehyde, ethanol, tetradecane, TVOC and the like;
the VOC detector is used for continuously measuring toxic and harmful organic gases in dangerous or industrial environment, is particularly suitable for personal safety protection and on-site VOC detection, and is applied to oil refining and petrifaction in the industry, chemical raw material and chemical product manufacturing, chemical drug raw material manufacturing, synthetic fiber manufacturing, surface coating, printing, shoe manufacturing, furniture manufacturing, artificial board manufacturing, electronic component manufacturing, textile printing and dyeing, plastic manufacturing, plastic products, living service industry and the like. At present, VOC detection apparatuses generally include a semiconductor type, a contact combustion type, a PID (photo ion detector) type, and the like.
When an existing VOC (volatile organic compound) detection instrument, particularly a PID (photo-ion detector) monitors volatile organic compounds, aiming at areas with high humidity, air environment monitoring is carried out, and due to condensation of moisture in detected gas, the detected gas is easy to adhere to a pipeline, so that monitoring accuracy is influenced, the accuracy of the monitoring instrument is reduced, and the detection effect of a VOC on-line monitor of an organic acid environment is influenced.
Therefore, the VOC on-line monitor for the organic acid environment is provided.
Disclosure of Invention
The invention aims to provide an online VOC (volatile organic compound) monitor for an organic acid environment, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an online VOC monitor for organic acid environments;
the method comprises the following steps:
the outer surface of the lower end of the first shell is fixedly provided with a fixed rod close to the middle position;
the air inlet pipe is connected to the position, close to the lower end edge, of the outer surface of the left side of the first shell in a penetrating mode;
the connecting plate is fixedly arranged on the inner bottom surface of the first shell and close to the middle position, uniformly distributed cavities are arranged inside the connecting plate, and the air inlet pipe is connected with the cavities of the connecting plate in a penetrating manner;
the air pump is fixedly arranged on the outer surface of the upper end of the connecting plate close to the middle position, and an air exhaust pipe of the air pump is in through connection with the cavity of the connecting plate;
the connecting hole, the inside upper end fixed mounting who is close to the aspiration pump of first casing has the baffle, the connecting hole runs through the upper end surface of seting up in the baffle and is close to the intermediate position, the lower extreme of connecting hole is connected with the end of giving vent to anger of aspiration pump:
the detection piece is fixedly arranged on the inner top surface of the first shell and close to the middle; the controller is fixedly arranged at the position close to the left side of the inner top surface of the first shell; the air outlet pipe penetrates through the outer surface of the right side of the first shell and is connected to the position close to the edge of the upper end; and:
an auxiliary mechanism:
the lower extreme that the inside of baffle is close to the connecting hole is provided with complementary unit for get into the moisture that contains in the gas of first casing inside from the intake pipe and get rid of.
Preferably, the auxiliary mechanism comprises a first mounting groove, a spring, a second shell, a first magnet, an electromagnet, a storage box and a connecting groove;
the utility model discloses a storage box, including baffle, connecting hole, middle position, magnet, storage box, connecting groove, connecting hole, connecting groove, connecting pipe, connecting hole, middle position, magnet, connecting groove, connecting pipe, connecting hole, connecting groove, connecting pipe and aspiration tube through connection of aspiration pump, the inside lower extreme that is close to the connecting hole of baffle has seted up first mounting groove, the right side internal surface of first mounting groove is close to middle position fixed mounting and has had the spring, the one end fixed mounting of spring has the second casing, the left side external surface fixed mounting of second casing has first magnet, the left side internal surface fixed mounting of first mounting groove has the electro-magnet, the inside of second casing is close to the middle position and has seted up the case, the inside material that absorbs water that has put evenly distributed of case, the inside upper end internal surface right side position that is close to the case of second casing has seted up the connecting groove, the one end of connecting groove and the exhaust tube through connection of aspiration pump.
Preferably, the storage box is formed of an L-shaped member.
Preferably, the water absorbing substance placed in the storage box is silicic acid xerogel.
Preferably, a resistance wire is fixedly mounted at the lower end, close to the storage box, of the inner portion of the second shell, a connecting pipe penetrates through the position, close to the left edge, of the inner bottom surface of the first mounting groove, and one end of the connecting pipe penetrates through the outer surface of the right side of the first shell.
Preferably, the lower end of the connecting pipe is arranged in an inclined shape, and the inclined angle of the lower end of the connecting pipe ranges from thirty degrees to forty-five degrees.
Preferably, a limiting block is fixedly installed at the position, close to the right side of the connecting pipe, of the inner bottom surface of the second shell.
Preferably, the right side surface of second casing is close to lower extreme border position fixed mounting and is had the second contact, the left side surface of stopper is close to lower extreme border position fixed mounting and is had first contact.
Preferably, a second mounting groove is formed in the outer side, close to the connecting pipe, of the outer surface of the right side of the first shell, and a filter screen is fixedly mounted inside the second mounting groove.
Preferably, the outer surface of the left side of the filter screen is close to two ends edge position symmetry fixed mounting and has two sets of second magnets, the inner surface of the left side of the second mounting groove is close to two ends edge position symmetry fixed mounting and has two sets of third magnets, be connected with the third magnet magnetism through the second magnet between filter screen and the second mounting groove.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, by arranging the auxiliary mechanism, when the VOC detection instrument works, moisture in gas entering the VOC detection instrument can be well removed, and the problem that the monitoring accuracy of the VOC detection instrument is influenced because the detected gas is easy to adhere to a pipeline due to condensation of the moisture in the detected gas when the air environment monitoring is carried out in some areas with higher humidity is avoided, so that the accuracy of the monitoring instrument is ensured, the detection effect of the VOC on-line monitor in an organic acid environment is ensured, and the overall practicability and universality are improved.
Drawings
FIG. 1 is a schematic view of the complete structure of the present invention;
FIG. 2 is a front cross-sectional structural view of the present invention;
FIG. 3 is a front cross-sectional structural view of the assist mechanism of the present invention;
FIG. 4 is a top cross-sectional structural view of the web of the present invention;
fig. 5 is an enlarged structural view at a in fig. 2 according to the present invention.
In the figure: 1. a first housing; 2. an air inlet pipe; 3. a connecting plate; 4. an air pump; 5. an auxiliary mechanism; 51. a first mounting groove; 52. a spring; 53. a second housing; 54. a first magnet; 55. an electromagnet; 56. a storage box; 57. connecting grooves; 58. a resistance wire; 59. a connecting pipe; 510. a limiting block; 511. a first contact piece; 512. a second contact piece; 513. a second mounting groove; 514. a filter screen; 515. a second magnet; 516. a third magnet; 6. connecting holes; 7. a detection member; 8. a controller; 9. an air outlet pipe; 10. a separator.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present invention provides a technical solution of an online VOC monitoring instrument for organic acid environment:
an on-line VOC monitor for organic acid environments, as shown in fig. 1 to 4, comprising:
the outer surface of the lower end of the first shell 1 is fixedly provided with a fixed rod close to the middle position;
the air inlet pipe 2 penetrates through the outer surface of the left side of the first shell 1 and is connected to the position close to the edge of the lower end;
the connecting plate 3 is fixedly arranged on the inner bottom surface of the first shell 1 and close to the middle position, uniformly distributed cavities are arranged inside the connecting plate 3, and the air inlet pipe 2 is connected with the cavities of the connecting plate 3 in a penetrating manner;
the air pump 4 is fixedly arranged on the outer surface of the upper end of the connecting plate 3 and close to the middle position, and an air exhaust pipe of the air pump 4 is in through connection with the cavity of the connecting plate 3;
connecting hole 6, the inside upper end fixed mounting that is close to aspiration pump 4 of first casing 1 has baffle 10, connecting hole 6 runs through to be seted up in the upper end surface of baffle 10 and is close to the intermediate position, the lower extreme of connecting hole 6 is connected with the end of giving vent to anger of aspiration pump 4:
the detection device comprises a detection piece 7, a controller 8 and an air outlet pipe 9, wherein the detection piece 7 is fixedly arranged on the inner top surface of the first shell 1 near the middle position; the controller 8 is fixedly arranged at the position close to the left side of the inner top surface of the first shell 1; the air outlet pipe 9 penetrates through the outer surface of the right side of the first shell 1 and is connected to the position close to the edge of the upper end; and:
the auxiliary mechanism 5:
the inside of the partition plate 10 near the lower end of the connection hole 6 is provided with an auxiliary mechanism 5 for removing moisture contained in the gas introduced from the inlet pipe 2 into the inside of the first housing 1.
When the existing VOC detecting instrument, especially PID (photo ion detector) monitors volatile organic compounds, aiming at some areas with higher humidity, because of the condensation of the moisture in the gas to be detected, the gas to be detected is easy to attach to the pipeline, thereby causing influence on the monitoring accuracy, reducing the accuracy of the monitoring instrument and influencing the detection effect of the VOC on-line monitor in the organic acid environment, the invention arranges the auxiliary mechanism 5, when the VOC detection instrument works, the water in the gas entering the VOC detection instrument can be well removed, and the air environment monitoring in some areas with higher humidity is avoided, the problem that the detected gas is easy to attach to a pipeline due to the condensation of the moisture in the detected gas, the monitoring accuracy of the VOC detecting instrument is influenced, therefore, the precision of the monitoring instrument is ensured, and the detection effect of the VOC on-line monitoring instrument in an organic acid environment is ensured.
As one embodiment of the present invention, as shown in fig. 1 to 4, the auxiliary mechanism 5 includes a first mounting groove 51, a spring 52, a second housing 53, a first magnet 54, an electromagnet 55, a storage case 56, and a connecting groove 57;
the inside of baffle 10 is close to the lower extreme of connecting hole 6 and has seted up first mounting groove 51, the right side internal surface of first mounting groove 51 is close to intermediate position fixed mounting has spring 52, the one end fixed mounting of spring 52 has second casing 53, the left side external surface fixed mounting of second casing 53 has first magnet 54, the left side internal surface fixed mounting of first mounting groove 51 has electro-magnet 55, the inside of second casing 53 is close to the intermediate position and has seted up case 56, the material that absorbs water of evenly distributed has been put to the inside of case 56, the inside upper end internal surface right side position that is close to case 56 of second casing 53 has seted up connecting groove 57, the one end of connecting groove 57 and aspiration tube through connection of aspiration pump 4.
When the VOC detection instrument works, firstly, the controller 8 controls the air pump 4 to be opened to start working, external gas to be detected enters the air pump 4 through the air inlet pipe 2 and the connecting plate 3, when the air pump 4 starts working, the drying agent is not sucked and separated from the storage box 56 by setting the air suction force of the air pump 4, the controller 8 is electrified to the electromagnet 55, after the electromagnet 55 is electrified, magnetic force is generated to generate mutual attraction between the electromagnet 55 and the first magnet 54, the attraction enables the first magnet 54 to drive the storage box 56 to overcome the elastic force of the spring 52 to move towards the direction close to the electromagnet 55 until the electromagnet 55 and the first magnet 54 are adsorbed together, one end of the connecting groove 57 is contacted with the air suction pipe of the air pump 4, the air pumped by the air pump 4 enters the storage box 56 through the connecting groove 57, and uniformly distributed water absorbing substances are placed in the storage box 56, moisture in the gas to be detected can be well absorbed, the gas to be detected of the outlet moisture enters the connecting hole 6 through the upper end opening of the storage box 56 and enters the detection cavity arranged at the upper end of the first shell 1, when the gas in the detection cavity reaches a certain amount, the air suction pump 4 stops working, the magnetic attraction between the electromagnet 55 and the first magnet 54 disappears, the spring 52 recovers the elastic force of the elastic deformation to drive the second shell 53 to move towards the right side in the first installation groove 51 until the second shell returns to the original position, the next working is convenient to carry out, when the gas in the detection cavity reaches a certain amount, the detection piece 7 starts working to detect and monitor the volatile organic compounds in the gas to be detected, after the detection is finished, the gas is discharged through the air outlet pipe 9 and repeats to detect the volatile organic compounds in the environment, so that when the VOC detection instrument works, the moisture that will get into in the inside gas of VOC detecting instrument that can be fine is got rid of, avoids in the higher area of some humidity, carries out air circumstance monitoring time measuring, because the condensation of moisture in the gas of being surveyed, the gas of being surveyed easily depends on the pipeline, influences the problem of VOC detecting instrument monitoring accuracy to guarantee the precision of monitoring instrument, guarantee at the VOC on-line monitoring appearance's of organic acid environment detection effect, improve general practicality and commonality.
In one embodiment of the present invention, as shown in fig. 3, the storage box 56 is formed of an L-shaped member.
When the air-breathing device works, the storage box 56 is an L-shaped component, so that the height of the left water-absorbing substance in the storage box 56 is greater than that of the right water-absorbing substance, and the measured air enters the connecting hole 6 from the left side to the right side of the storage box 56, so that the water absorption amount of the water in the measured air by the water-absorbing substance is increased.
In one embodiment of the present invention, as shown in fig. 3, the water-absorbing material disposed inside the storage box 56 is silica xerogel.
When the gas moisture removal device works, the water absorbing substance arranged in the storage box 56 is silicic acid xerogel, and the silica gel has good chemical stability, acid resistance, heat resistance and strong adsorption capacity, so that the moisture in the gas to be detected can be well removed.
As an embodiment of the present invention, as shown in fig. 3, a resistance wire 58 is fixedly mounted inside the second housing 53 near the lower end of the storage box 56, a connection pipe 59 is connected to the inner bottom surface of the first mounting groove 51 near the left edge, and one end of the connection pipe 59 penetrates the right outer surface of the first housing 1.
When the detection chamber is in operation, the resistance wire 58 is arranged, when the gas in the detection chamber reaches a certain amount, the air suction pump 4 stops working, the magnetic attraction between the electromagnet 55 and the first magnet 54 disappears, the spring 52 restores the elastic deformation to drive the second shell 53 to move towards the right side in the first installation groove 51 until the second shell returns to the original position, the controller 8 opens the resistance wire 58 to heat the silica gel in the second shell 53, after the silica gel adsorbs moisture, the moisture can be removed in a thermal desorption mode and the silica gel can be reused, the water vapor generated by the heated silica gel is discharged to the outside of the first shell 1 through the connecting pipe 59, the problem that the water vapor generated after heating continuously affects the operation of the silica gel is avoided, and the working effect of the silica gel is ensured.
As an embodiment of the present invention, as shown in fig. 2 to 3, the lower end of the connection pipe 59 is disposed in an inclined shape, and the lower end of the connection pipe 59 is inclined at an angle ranging from 30 ° to 45 °.
When the device works, the lower end of the connecting pipe 59 is arranged in an inclined manner, so that steam generated by heated dried silicic acid gel is better discharged through the connecting pipe 59, the phenomenon that the steam is condensed into water drops to be attached to the connecting pipe 59 and the next working effect of removing the steam from the dried silicic acid gel is influenced is avoided, the lower end of the connecting pipe 59 is arranged in an inclined angle range of 30-45 degrees, when the inclined angle of the connecting pipe 59 is too small, the length of the connecting pipe 59 is too long, the outflow speed of the water drops in the connecting pipe 59 is reduced, when the inclined angle of the connecting pipe 59 is too large, the gravitational potential energy of the water drops in the connecting pipe 59 is reduced, and the outflow speed of the water drops in the connecting pipe 59 is reduced.
As an embodiment of the present invention, as shown in fig. 3, a limit block 510 is fixedly installed at a right side position of the inner bottom surface of the second housing 53 near the connection pipe 59.
When the connecting device works, the limiting block 510 is fixedly arranged at the right side position of the inner bottom surface of the second shell 53, which is close to the connecting pipe 59, so that when the second shell 53 is driven to move in the direction close to the limiting block 510 in the first mounting groove 51 by the elastic force of the elastic deformation recovered by the spring 52, and when the right outer surface of the second shell 53 is contacted with the limiting block 510, the right end of the connecting groove 57 just faces the connecting pipe 59, and moisture can enter the connecting pipe 59 through the connecting groove 57 and then be discharged.
As an embodiment of the present invention, as shown in fig. 3, a second contact 512 is fixedly installed on a right outer surface of the second housing 53 near a lower end edge, and a first contact 511 is fixedly installed on a left outer surface of the limiting block 510 near the lower end edge.
When the second shell 53 is driven to move in the direction close to the limit block 510 in the first mounting groove 51 by the elastic force of the spring 52 which is restored to elastic deformation, when the right outer surface of the second shell 53 contacts the limit block 510 and the right end of the connecting groove 57 just corresponds to the connecting pipe 59, the first contact 511 contacts the second contact 512 to control the resistance wire 58 to start working, so that the resistance wire 58 starts working when the right end of the connecting groove 57 just corresponds to the connecting pipe 59, and the overall working efficiency is improved.
As an embodiment of the present invention, as shown in fig. 5, a second mounting groove 513 is formed on the outer surface of the right side of the first housing 1 near the outer side of the connection pipe 59, and a filter screen 514 is fixedly mounted in the second mounting groove 513.
In operation, the filter screen 514 is disposed in the present invention, so as to prevent external impurities from entering the first mounting groove 51, the connecting groove 57 and the storage box 56 through the connecting pipe 59, thereby preventing the auxiliary mechanism 5 from affecting normal operation.
As an embodiment of the present invention, as shown in fig. 5, two sets of second magnets 515 are symmetrically and fixedly installed on the left outer surface of the filter screen 514 near the edges of the two ends, two sets of third magnets 516 are symmetrically and fixedly installed on the left inner surface of the second mounting groove 513 near the edges of the two ends, and the filter screen 514 and the second mounting groove 513 are magnetically connected through the second magnets 515 and the third magnets 516.
When the filter screen 514 is blocked or damaged, a worker can overcome the magnetic attraction between the second magnet 515 and the third magnet 516 through manpower, and the filter screen 514 can be easily taken down for replacement or cleaning.
The working principle is as follows: in the working process of the VOC detection instrument, firstly, the controller 8 controls the air pump 4 to be opened to start working, the external gas to be detected enters the air pump 4 through the air inlet pipe 2 and the connecting plate 3, when the air pump 4 starts working, the air suction force of the air pump 4 is set to prevent the drying agent from being sucked and separated from the storage box 56, the controller 8 is electrified to the electromagnet 55, when the electromagnet 55 is electrified, magnetic force is generated to generate mutual attraction between the electromagnet 55 and the first magnet 54, the attraction enables the first magnet 54 to drive the storage box 56 to overcome the elastic force of the spring 52 to move towards the direction close to the electromagnet 55 until the electromagnet 55 and the first magnet 54 are adsorbed together, one end of the connecting groove 57 is contacted with the air suction pipe of the air pump 4, the air pumped by the air pump 4 enters the storage box 56 through the connecting groove 57, and water absorbing substances are placed in the storage box 56 and are uniformly distributed, moisture in the gas to be detected can be well absorbed, the gas to be detected of the outlet moisture enters the connecting hole 6 through the upper end opening of the storage box 56 and enters the detection cavity arranged at the upper end of the first shell 1, when the gas in the detection cavity reaches a certain amount, the air suction pump 4 stops working, the magnetic attraction between the electromagnet 55 and the first magnet 54 disappears, the spring 52 recovers the elastic force of the elastic deformation to drive the second shell 53 to move towards the right side in the first installation groove 51 until the second shell returns to the original position, the next working is convenient to carry out, when the gas in the detection cavity reaches a certain amount, the detection piece 7 starts working to detect and monitor the volatile organic compounds in the gas to be detected, after the detection is finished, the gas is discharged through the air outlet pipe 9 and repeats to detect the volatile organic compounds in the environment, so that when the VOC detection instrument works, the moisture that will get into in the inside gas of VOC detecting instrument that can be fine is got rid of, avoids in the higher area of some humidity, carries out air circumstance monitoring time measuring, because the condensation of moisture in the gas of being surveyed, the gas of being surveyed easily depends on the pipeline, influences the problem of VOC detecting instrument monitoring accuracy to guarantee the precision of monitoring instrument, guarantee the detection effect at the VOC on-line monitoring appearance of organic acid environment, improve the practicality and the commonality of totality.
The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An on-line VOC monitor for organic acid environments comprising:
the outer surface of the lower end of the first shell (1) is fixedly provided with a fixed rod close to the middle position;
the air inlet pipe (2) is connected to the position, close to the lower end edge, of the outer surface of the left side of the first shell (1) in a penetrating mode;
the connecting plate (3) is fixedly arranged at the inner bottom surface of the first shell (1) and close to the middle position, uniformly distributed cavities are arranged inside the connecting plate (3) in a close mode, and the air inlet pipe (2) is connected with the cavities of the connecting plate (3) in a penetrating mode;
the air pump (4) is fixedly arranged on the outer surface of the upper end of the connecting plate (3) and close to the middle position, and an air exhaust pipe of the air pump (4) is in through connection with the cavity of the connecting plate (3);
the air suction pump comprises a connecting hole (6) and a partition plate (10), wherein the partition plate (10) is fixedly installed at the upper end, close to the air suction pump (4), of the inside of the first shell (1), the connecting hole (6) penetrates through the outer surface of the upper end of the partition plate (10) and is close to the middle position, and the lower end of the connecting hole (6) is connected with the air outlet end of the air suction pump (4);
the device comprises a detection piece (7), a controller (8) and an air outlet pipe (9), wherein the detection piece (7) is fixedly arranged on the inner top surface of the first shell (1) and is close to the middle position; the controller (8) is fixedly arranged at the position, close to the left side, of the inner top surface of the first shell (1); the air outlet pipe (9) is connected to the position, close to the upper end edge, of the outer surface of the right side of the first shell (1) in a penetrating manner; and:
an auxiliary mechanism (5);
the method is characterized in that: and an auxiliary mechanism (5) is arranged at the lower end, close to the connecting hole (6), of the inner part of the partition plate (10) and used for removing moisture contained in gas entering the first shell (1) from the air inlet pipe (2).
2. An on-line VOC monitor for organic acid environments according to claim 1, wherein: the auxiliary mechanism (5) comprises a first mounting groove (51), a spring (52), a second shell (53), a first magnet (54), an electromagnet (55), a storage box (56) and a connecting groove (57);
the inner part of the clapboard (10) close to the lower end of the connecting hole (6) is provided with a first mounting groove (51), a spring (52) is fixedly arranged on the inner surface of the right side of the first mounting groove (51) close to the middle position, a second shell (53) is fixedly arranged at one end of the spring (52), a first magnet (54) is fixedly arranged on the outer surface of the left side of the second shell (53), an electromagnet (55) is fixedly arranged on the inner surface of the left side of the first mounting groove (51), a storage box (56) is arranged in the second shell (53) near the middle position, the water absorbing materials which are uniformly distributed are placed in the storage box (56), the connecting groove (57) is arranged at the right side of the inner surface of the upper end of the second shell (53) close to the storage box (56), one end of the connecting groove (57) is in through connection with an air exhaust pipe of the air exhaust pump (4).
3. An on-line VOC monitor for organic acid environments according to claim 2, wherein: the storage box (56) is formed as an L-shaped component.
4. An on-line VOC monitor for organic acid environments according to claim 2, wherein: the water absorbing substance arranged in the storage box (56) is silicic acid xerogel.
5. An on-line VOC monitor for organic acid environments according to claim 4, wherein: a resistance wire (58) is fixedly mounted at the lower end, close to the storage box (56), of the interior of the second shell (53), a connecting pipe (59) penetrates through the position, close to the left edge, of the inner bottom surface of the first mounting groove (51), and one end of the connecting pipe (59) penetrates through the outer surface of the right side of the first shell (1).
6. An on-line VOC monitor for organic acid environments according to claim 5, wherein: the lower end of the connecting pipe (59) is arranged in an inclined shape, and the inclined angle of the lower end of the connecting pipe (59) ranges from 30 degrees to 45 degrees.
7. An on-line VOC monitor for organic acid environments according to claim 5, wherein: and a limiting block (510) is fixedly arranged at the right side position of the inner bottom surface of the second shell (53), which is close to the connecting pipe (59).
8. An on-line VOC monitor for organic acid environments according to claim 7, wherein: the right side surface of second casing (53) is close to lower extreme marginal position fixed mounting has second contact (512), the left side surface of stopper (510) is close to lower extreme marginal position fixed mounting has first contact (511).
9. An on-line VOC monitor for organic acid environments according to claim 5, wherein: a second mounting groove (513) is formed in the outer side, close to the connecting pipe (59), of the outer surface of the right side of the first shell (1), and a filter screen (514) is fixedly mounted inside the second mounting groove (513).
10. An on-line VOC monitor for organic acid environments according to claim 9, wherein: the left side surface of filter screen (514) is close to both ends border position symmetry fixed mounting and has two sets of second magnet (515), the left side internal surface of second mounting groove (513) is close to both ends border position symmetry fixed mounting and has two sets of third magnet (516), be connected through second magnet (515) and third magnet (516) magnetism between filter screen (514) and second mounting groove (513).
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