CN114280051A

CN114280051A - Hydrogen sulfide analyzer

Info

Publication number: CN114280051A
Application number: CN202210044645.XA
Authority: CN
Inventors: 陈佳玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-15
Filing date: 2022-01-15
Publication date: 2022-04-05

Abstract

The invention relates to the technical field of hydrogen sulfide analyzers, in particular to a hydrogen sulfide analyzer, which comprises: the analysis device, analysis device's top fixedly connected with content proportioning device, the left and right sides at content proportioning device top is provided with second intake pipe device and first intake pipe device respectively. When the atmospheric pressure in the pressure regulating pipe enters into the filter equipment inner chamber, enter into the cavity splitter box through the pipe-line installation hole, the air current in the cavity splitter box goes out the gas board from the arc and disperses a plurality of second splitter boxes in, gaseous absorption carbon plate that sets up on a plurality of arc filter boards and division board can further play filterable effect like this, and annular gas collection intracavity is carried with the pure steam of outside to the ratio pipe, the vulcanize gas that detects like this mixes with steam, can increase the humidity of the gaseous of later stage analysis like this, and can keep under the pure state with hydrogen sulphide, and then can increase and detect the accuracy.

Description

Hydrogen sulfide analyzer

Technical Field

The invention relates to the technical field of hydrogen sulfide analyzers, in particular to a hydrogen sulfide analyzer.

Background

The hydrogen sulfide is an inorganic compound, has a molecular formula of H2S and a molecular weight of 34.076, is a flammable acidic gas under standard conditions, is colorless, has a smelly egg smell at low concentration, has a sulfur smell at very low concentration, and is extremely toxic. The aqueous solution is hydrogen sulfuric acid, which is less acidic than carbonic acid, but more strongly boric acid. Can be dissolved in water and easily dissolved in alcohols, petroleum solvents and crude oil. The hydrogen sulfide is a flammable and dangerous chemical substance, can form an explosive mixture when being mixed with air, and can cause combustion and explosion when meeting open fire and high heat. Hydrogen sulfide is an important chemical feedstock.

In the chemical industry field and the petroleum field, the common toxic gas is generally installed on a chemical raw material production line or a reaction kettle in the chemical industry production process, so that the hydrogen sulfide is detected in real time, when the existing hydrogen sulfide analyzer is used, after chemical gas is connected, when the gas passes through lead acetate, the paper tape generates color change reaction, so that the content of the hydrogen sulfide is analyzed by the brown depth of a color change area on the paper tape, but in the actual analysis process, particularly when the mode is adopted for detection, the problem can be caused, impurities are contained in the connected gas, when impure gas passes through the analyzer, the internal impurities are gathered in a lead acetate box, the quality of a reactant is influenced, the internal impurities are accumulated, the cleaning difficulty is large, the pressure of the gas can fluctuate, and the existing analyzer cannot be calibrated in real time, the pressure of the lead acetate entering the lead acetate is larger or smaller, so that the reaction is insufficient, the humidity difference in the gas can cause the situation of inaccurate analysis, and the internal acetic acid needs to be added at regular time, so that the labor amount of operators is increased,

the present inventors have been made to solve the above-described problems.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the main technical scheme that: a hydrogen sulfide analyzer comprising: the analysis device is characterized in that a content proportioning device is fixedly connected to the top of the analysis device, a second air inlet pipe device and a first air inlet pipe device are respectively arranged on the left side and the right side of the top of the content proportioning device, the first air inlet pipe device and the second air inlet pipe device have the same structure, the first air inlet pipe device comprises a connecting pipe, the top of the connecting pipe is communicated with a first connecting bent pipe, one end of the first connecting bent pipe is communicated with a first clamping pipe, one end of the first clamping pipe is provided with a U-shaped pipe, the two ends of the U-shaped pipe are respectively provided with a connecting pipe, one end of the connecting pipe is fixedly communicated with clamping pipes, one ends of the two clamping pipes are respectively and fixedly communicated with the first clamping pipe and a second clamping pipe, the top end of the second clamping pipe is fixedly communicated with an air inlet pipe, two pressure adjusting devices are arranged in the content proportioning device, and are respectively and fixedly connected in a hollow cavity arranged in the content proportioning device, pressure regulating device with the connecting pipe intercommunication, two the intercommunication has filter equipment between the pressure regulating device, filter equipment's front intercommunication has outer calandria, the one end of outer calandria extends to the analysis intracavity of analytical equipment setting, analysis intracavity fixedly connected with pressure cover, the one end intercommunication of stock solution cover has the lead acetate case, the top fixed barrel of leading acetate case has the reaction gas pipe, the one end fixedly connected with detection strip of reaction gas pipe, one side fixedly connected with detection tape unreel axle and recovery spool of analysis intracavity inner wall, detection tape unreel axle and the epaxial test strip pressfitting of recovery spool are in the detection strip, lead acetate roof portion right side is provided with the stock solution cover.

As a further scheme of the invention: the utility model discloses a plastic pipe, including U-shaped pipe endotheca, isolation slide, spacing ring, connecting rod, isolating plate, one side fixedly connected with filter sleeve, one side fixedly connected with of isolation slide, one side fixedly connected with of filter sleeve adsorbs the otter board, the right side of U-shaped pipe is provided with out the gas chamber, the top of connecting rod is fixed even to be connected with the head that gathers gases, one side fixedly connected with spacing ring of the head that gathers gases, the spacing ring is kept away from one side fixedly connected with of the head that gathers gases divides the head that gathers gases, the top of U-shaped pipe is provided with flaring part, the intake pipe is located one side cover of flaring part is equipped with the sealing ring, the cover is equipped with the isolation adsorption plate on the connecting rod, the isolation adsorption plate cover is established in the intake pipe. Through the arrangement of the U-shaped pipe, when external gas enters the U-shaped pipe, the external gas firstly contacts the surface of the gas distribution head, so that the gas distribution head forms an annular gap on the inner wall of the connecting pipe, when the pressure is normal, the gas passes through the annular gap and forms a vortex from the tail end of the gas collection head, the smooth static flow of the gas can be ensured, the volume and the flow rate of the gas entering can be effectively controlled, when the gas pressure of the entering gas is overlarge, the surface of the gas distribution head is increased by the pressure, so that the gas distribution head box can be driven to move out of the isolation sleeve, when a limit ring on the gas distribution head contacts with the seal ring, the limit ring can stop, the arrangement aims to avoid sulfuration overload in the gas, so that the accuracy of the detection at the rear end of the detection analyzer is influenced, when the gas passes through the isolation adsorption plate, impurities in the gas can be removed under the action of the isolation plate, and gas is when keeping apart the adsorption plate, with keep apart slide and adsorption screen plate contact, further carries out the separation with the impurity in the gas like this, and then can increase gaseous purity, and the U-shaped pipe can take off from equipment in addition, and the U-shaped pipe of whipping can be with dividing the gas head and throw away from the U-shaped intraductal, can wash the interior impurity of inlet tube like this, can increase the life-span of U-shaped pipe use like this, can carry out the high frequency use.

As a still further scheme of the invention: the pressure adjusting device comprises a pressure adjusting pipe which is communicated with the connecting pipe, the bottom of the inner wall of the pressure regulating pipe is fixedly connected with a fixing plate, the top of the fixing plate is fixedly connected with a mounting seat, the top of the mounting seat is fixedly connected with an upright rod, the top end of the upright rod is sleeved with an elastic sleeve, the top of the elastic sleeve is fixedly connected with a sliding plug, the top of the sliding plug is fixedly connected with a pressure trigger rod, the mounting seat, the upright pole and the elastic sleeve are sleeved with a pressure spring, one end of the pressure spring is fixedly connected with one side of the fixed plate, the other end of the pressure spring is fixedly connected with one side of the sliding plug, one side of the pressure adjusting pipe is communicated with the filtering device through an air inlet pipe sleeve, an inner cavity sleeve of the air inlet pipe sleeve is provided with an adapting sleeve, and the surface of the pressure trigger rod is positioned on the adapting sleeve and provided with an adapting plug. Through the use to pressure adjustment, in order to guarantee the accurate nature to hydrogen sulfide gas analysis, be provided with one in pressure adjustment pipe below and can realize the sliding plug who reciprocates according to the size that gets into the interior gas pressure of pressure adjustment pipe, sliding plug moves down and extrudees filter equipment pressure spring and receives pressure compression when atmospheric pressure is too big, this makes the adaptation stopper break away from adaptation cover gradually, can reduce front end pipeline's pressure like this, and when atmospheric pressure appears unusually, can accomplish the purpose of adjusting, and then when can cutting down atmospheric pressure, can also keep the air current that detects the analysis end to be in the state of stationary flow.

As a still further scheme of the invention: the filter device comprises a filter device inner wall, wherein pipeline mounting holes are formed in the left side and the right side of the filter device inner wall, arc-shaped plates are fixedly connected to the left side and the right side of the filter device inner wall, a hollow flow dividing groove is formed in the arc-shaped plate, an arc-shaped through groove is formed in one side of the hollow flow dividing groove inner wall, an arc-shaped gas outlet plate is sleeved in the arc-shaped through groove, a proportioning pipe is communicated with the axis of the filter device, one end of the proportioning pipe is positioned in the middle of the filter device inner cavity, fixed ring sleeves are arranged on the front side and the rear side of the filter device inner wall, gas inlets are arranged on the fixed ring sleeves at equal intervals, an annular gas collecting cavity is arranged between the proportioning pipe and the fixed ring sleeves, arc-shaped filter plates are fixedly connected to the surfaces of the fixed ring sleeves at equal intervals, a second flow dividing groove is arranged between every two adjacent arc-shaped filter plates, and a separation plate is arranged between every two arc-shaped filter plates, and an adsorption carbon plate is arranged on the isolation plate. When the atmospheric pressure in the pressure regulating pipe enters into the filter equipment inner chamber, enter into the cavity splitter box through the pipe-line installation hole, the air current in the cavity splitter box goes out the gas board from the arc and disperses a plurality of second splitter boxes in, gaseous absorption carbon plate that sets up on a plurality of arc filter boards and division board can further play filterable effect like this, and annular gas collection intracavity is carried with the pure steam of outside to the ratio pipe, the vulcanize gas that detects like this mixes with steam, can increase the humidity of the gaseous of later stage analysis like this, and can keep under the pure state with hydrogen sulphide, and then can increase and detect the accuracy.

As a still further scheme of the invention: the bottom of the liquid storage sleeve is communicated with the blanking pipe, the blanking pipe is arranged at the top of the blanking pipe, the bottom of the blanking pipe is provided with a separation groove, the blanking groove is communicated with the separation groove, a connecting rod penetrates through the blanking groove and the separation groove, a closing plate is sleeved on the connecting rod and sleeved in the separation groove, and the bottom of the connecting rod is fixedly connected with a floating plate. In the process of analyzing hydrogen sulfide, when hydrogen sulfide gas passes through the pressure sleeve, the pressure sleeve can ensure that gas entering the lead acetate box is always under a constant value standard, when the hydrogen sulfide gas with humidity enters, lead acetate can fully react with hydrogen sulfide due to the water vapor in the pressure sleeve, so that the effect of diluting lead acetate can be achieved, the using time of the lead acetate is prolonged, when the lead acetate reacts with the hydrogen sulfide, the specific reaction is as follows, Pb (Ac)2+ H2S = PbS +2HAc, so that the reactant generated by the reaction enters the detection strip through the reaction gas pipe, and the paper tape can be browned on the surface due to the fact that the paper tape is pressed in the detection strip, so that the condition of the hydrogen sulfide in the gas can be detected and analyzed, when the consumption of the lead acetate in the lead acetate box is reduced, the liquid level of the lead acetate in the lead acetate box is reduced, float like this and can the downstream at the kickboard at lead acetate top, the connecting rod at kickboard top can the downstream, and the closing plate breaks away from the contact with the whereabouts tank bottom like this, and lead acetate in the stock solution cover can flow into the lead acetate incasement from whereabouts tank and separating tank like this, can keep the lead acetate in the lead acetate incasement to be in stable dose all the time.

As a still further scheme of the invention: the front side of the inner wall of the analysis cavity is provided with a servo rotating motor, the output end of the servo rotating motor is fixedly connected with one side of the recovery scroll, and a paper tape is arranged between the recovery scroll and the detection tape unwinding shaft.

The invention has at least the following beneficial effects:

1. through the arrangement of the U-shaped pipe, when external gas enters the U-shaped pipe, the external gas firstly contacts the surface of the gas distribution head, so that the gas distribution head forms an annular gap on the inner wall of the connecting pipe, when the pressure is normal, the gas passes through the annular gap and forms a vortex from the tail end of the gas collection head, the smooth static flow of the gas can be ensured, the volume and the flow rate of the gas entering can be effectively controlled, when the gas pressure of the entering gas is overlarge, the surface of the gas distribution head is increased by the pressure, so that the gas distribution head box can be driven to move out of the isolation sleeve, when a limit ring on the gas distribution head contacts with the seal ring, the limit ring can stop, the arrangement aims to avoid sulfuration overload in the gas, so that the accuracy of the detection at the rear end of the detection analyzer is influenced, when the gas passes through the isolation adsorption plate, impurities in the gas can be removed under the action of the isolation plate, and when gas passes through the isolation adsorption plate, with keep apart slide and adsorption screen contact, further carry out the separation with the impurity in the gas like this, and then can increase gaseous purity, the U-shaped pipe can take off from equipment in addition, and the U-shaped pipe of whipping can be with dividing the gas head and throw away from the U-shaped intraductal, can be with the intake pipe like this.

2. When atmospheric pressure in the pressure regulating pipe enters into the filter equipment inner chamber, enter into the cavity splitter box through the pipe-line mounting hole, the air current in the cavity splitter box goes out the gas board from the arc and disperses a plurality of second splitter boxes in, gaseous absorption carbon plate that sets up on a plurality of arc filter boards and division board can further play filterable effect like this, and annular gas collection intracavity is carried with the pure steam of outside to the ratio pipe, the vulcanize gas that detects like this mixes with steam, can increase the humidity of the gaseous of later stage analysis like this, and can keep under the pure state with hydrogen sulphide, and then can increase and detect the accuracy, can realize the calibration operation to atmospheric pressure.

3. In the process of analyzing hydrogen sulfide, when hydrogen sulfide gas passes through the pressure sleeve, the pressure sleeve can ensure that gas entering the lead acetate box is always under a constant value standard, when the hydrogen sulfide gas with humidity enters, lead acetate can fully react with hydrogen sulfide due to the water vapor in the pressure sleeve, so that the effect of diluting lead acetate can be achieved, the using time of the lead acetate is prolonged, when the lead acetate reacts with the hydrogen sulfide, the specific reaction is as follows, Pb (Ac)2+ H2S = PbS +2HAc, so that the reactant generated by the reaction enters the detection strip through the reaction gas pipe, and the paper tape can be browned on the surface due to the fact that the paper tape is pressed in the detection strip, so that the condition of the hydrogen sulfide in the gas can be detected and analyzed, when the consumption of the lead acetate in the lead acetate box is reduced, the liquid level of the lead acetate in the lead acetate box is reduced, float like this and can the downstream at the kickboard at lead acetate top, the connecting rod at kickboard top can the downstream, and the closing plate breaks away from the contact with the whereabouts tank bottom like this, and lead acetate in the stock solution cover can flow into the lead acetate incasement from whereabouts tank and separating tank like this, can keep the lead acetate in the lead acetate incasement to be in stable dose all the time.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic diagram of a hydrogen sulfide analyzer according to the present invention;

FIG. 2 is a front sectional view of a hydrogen sulfide analyzer according to the present invention;

FIG. 3 is an enlarged view of the point A in FIG. 2 of a hydrogen sulfide analyzer according to the present invention;

FIG. 4 is an enlarged view of the hydrogen sulfide analyzer at B in FIG. 2;

FIG. 5 is a schematic view of a filter unit in a hydrogen sulfide analyzer according to the present invention;

fig. 6 is a sectional view of a feed tube in a hydrogen sulfide analyzer according to the present invention.

In the figure, an analysis device 1, a content proportioning device 2, a first air inlet pipe device 3, a second air inlet pipe device 4, a connecting pipe 5, a first connecting bent pipe 6, a first clamping pipe 7, a U-shaped pipe 8, a connecting pipe 9, a clamping pipe 10, a second clamping pipe 11, an air inlet connecting pipe 12, a hollow cavity 13, a pressure regulating pipe 14, a filtering device 15, an outer discharging pipe 16, a sliding plug 17, a pressure trigger rod 18, an adapting sleeve 19, an air inlet pipe sleeve 20, a mounting seat 21, an upright rod 22, an elastic sleeve 23, a fixing plate 24, a pressure spring 25, a flaring part 26, an isolating sleeve 27, a limiting ring 28, an air distributing head 29, an air collecting head 30, a connecting rod 31, a sealing ring 32, an isolating and adsorbing plate 33, an air inlet pipe 34, a filtering sleeve 35, an adsorbing screen plate 36, an isolating sliding plate 37, a filtering cotton plate 38, an air outlet cavity 39, an arc-shaped plate 40, a hollow flow dividing groove 41, an arc-shaped air outlet plate 42, a first flow dividing groove 43, a second flow dividing groove 44, a connecting pipe 6, a connecting rod, The device comprises an arc-shaped filter plate 45, a partition plate 46, a pipeline mounting hole 47, an annular gas collection cavity 48, a fixed ring sleeve 49, a gas inlet 50, an adsorption carbon plate 51, a proportioning pipe 52, an analysis cavity 53, a pressure sleeve 54, a lead acetate box 55, a liquid storage sleeve 56, a reaction gas pipe 57, a detection strip 58, a detection strip unreeling shaft 59, a recovery reel 60, a blanking pipe 61, a falling groove 62, a separation groove 63, a connecting rod 64, a closing plate 65 and a floating plate 66.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1 to 6, the present invention provides a hydrogen sulfide analyzer comprising: the analysis device 1 is characterized in that the top of the analysis device 1 is fixedly connected with a content proportioning device 2, the left side and the right side of the top of the content proportioning device 2 are respectively provided with a second air inlet pipe device 4 and a first air inlet pipe device 3, the first air inlet pipe device 3 and the second air inlet pipe device 4 have the same structure, the first air inlet pipe device 3 comprises a connecting pipe 5, the top of the connecting pipe 5 is communicated with a first connecting elbow 6, one end of the first connecting elbow 6 is communicated with a first clamping pipe 7, one end of the first clamping pipe 7 is provided with a U-shaped pipe 8, both ends of the U-shaped pipe 8 are respectively provided with a connecting pipe 9, one end of the connecting pipe 9 is fixedly communicated with clamping pipes 10, one ends of the two clamping pipes 10 are respectively and fixedly communicated with the first clamping pipe 7 and a second clamping pipe 11, the top end of the second clamping pipe 11 is fixedly communicated with an air inlet connecting pipe 12, the content proportioning device 2 is internally provided with two pressure adjusting devices, the two pressure adjusting devices are respectively and fixedly connected in a hollow cavity 13 arranged in the content proportioning device 2, pressure regulating device and connecting pipe 5 intercommunication, the intercommunication has filter equipment 15 between two pressure regulating device, filter equipment 15's front intercommunication has outer calandria 16, the one end of outer calandria 16 extends to in the analysis chamber 53 that analytical device 1 set up, fixedly connected with pressure cover 54 in the analysis chamber 53, the one end intercommunication of stock solution cover 56 has lead acetate case 55, the top fixed connection bucket reaction gas pipe 57 of lead acetate case 55, the one end fixedly connected with detection strip 58 of reaction gas pipe 57, one side fixedly connected with detection tape unreel axle 59 and recovery spool 60 of analysis chamber 53 inner wall, the test strip pressfitting on detection tape unreel axle 59 and the recovery spool 60 is in detection strip 58, lead acetate case 55 top right side is provided with stock solution cover 56.

The U-shaped pipe 8 endotheca is equipped with separation sleeve 27, the separation sleeve 27 endotheca is equipped with intake pipe 34, run through being provided with connecting rod 31 in the intake pipe 34, slide 37 is kept apart to the bottom fixedly connected with of connecting rod 31, be provided with on the slide 37 and filter cotton board 38, keep apart one side fixedly connected with filter sleeve 35 of slide 37, one side fixedly connected with of filter sleeve 35 adsorbs otter board 36, the right side of U-shaped pipe 8 is provided with air outlet chamber 39, the top fixed connection of connecting rod 31 has the gas collection head 30, one side fixedly connected with spacing ring 28 of gas collection head 30, one side fixedly connected with gas distribution head 29 that gas collection head 30 was kept away from to spacing ring 28, the top of U-shaped pipe 8 is provided with flaring portion 26, one side cover that intake pipe 34 is located flaring portion 26 is equipped with sealing ring 32, the cover is equipped with on the connecting rod 31 and keeps apart adsorption plate 33, it establishes in intake pipe 34 to keep apart adsorption plate 33 cover. Through the arrangement of the U-shaped pipe 8, when external gas enters the U-shaped pipe 8, the external gas firstly contacts the surface of the gas distribution head 29, so that the gas distribution head 29 forms an annular gap on the inner wall of the connecting pipe 9, when the pressure is normal, the gas passes through the annular gap and forms a vortex from the tail end of the gas collection head 30, so that smooth static circulation of the gas can be ensured, the entering volume and flow rate of the gas can be effectively controlled, when the pressure of the entering gas is too high, the surface of the gas distribution head 29 is subjected to pressure increase, so that the isolating sleeve 27 of the gas distribution head 29 box can be driven to move, when the limiting ring 28 on the gas distribution head 29 is in contact with the sealing ring 32, the blocking can be achieved, the purpose of the arrangement is to avoid sulfuration overload in the gas, so that the accuracy of detection at the rear end of the detection analyzer is influenced, when the gas passes through the isolating adsorption plate 33, under the action of the isolating adsorption plate 33, can clear away the impurity in the gas, and gas is when keeping apart adsorption plate 33, with keeping apart slide 37 and the contact of absorption otter board 36, further carry out the separation with the impurity in the gas like this, and then can increase gaseous purity, and U-shaped pipe 8 can take off from equipment, whipping U-shaped pipe 8, can throw away gas distribution head 29 from U-shaped pipe 8, can wash the impurity in the intake pipe 34 like this, can increase the life-span of U-shaped pipe 8 use like this, can carry out the high frequency and use.

The pressure adjusting device comprises a pressure adjusting pipe 14, the pressure adjusting pipe 14 is communicated with the connecting pipe 5, the bottom of the inner wall of the pressure adjusting pipe 14 is fixedly connected with a fixing plate 24, the top of the fixing plate 24 is fixedly connected with an installation base 21, the top of the installation base 21 is fixedly connected with an upright rod 22, the top end of the upright rod 22 is sleeved with an elastic sleeve 23, the top of the elastic sleeve 23 is fixedly connected with a sliding plug 17, the top of the sliding plug 17 is fixedly connected with a pressure trigger rod 18 and the installation base 21, the upright rod 22 and the elastic sleeve 23 are sleeved with a pressure spring 25, one end of the pressure spring 25 is fixedly connected with one side of the fixing plate 24, the other end of the pressure spring 25 is fixedly connected with one side of the sliding plug 17, one side of the pressure adjusting pipe 14 is communicated with the filtering device 15 through the air inlet pipe sleeve 20, the inner cavity of the air inlet pipe sleeve 20 is sleeved with the matching sleeve 19, and the surface of the pressure trigger rod 18 is provided with the matching plug in the matching sleeve 19. Through the use to pressure adjustment, in order to guarantee the accurate nature to hydrogen sulfide gas analysis, be provided with one in pressure adjustment pipe 14 below and realize the sliding plug 17 that reciprocates according to the size that gets into gas pressure in pressure adjustment pipe 14, sliding plug 17 moves down and extrudes filter equipment 15 pressure spring 25 and receives pressure compression when atmospheric pressure is too big, this makes the adaptation stopper break away from adaptation cover 19 gradually, can reduce the pressure of front end pipeline like this, and when atmospheric pressure appears unusually, can accomplish the purpose of regulation, and then when can cutting down atmospheric pressure, can also keep the air current that detects the analysis end in the state of stationary flow.

The left side and the right side of the inner wall of the filtering device 15 are both provided with pipeline mounting holes 47, the left side and the right side of the inner wall of the filtering device 15 are both fixedly connected with an arc-shaped plate 40, a hollow diversion channel 41 is arranged in the arc-shaped plate 40, one side of the inner wall of the hollow diversion channel 41 is provided with an arc-shaped through groove, an arc-shaped air outlet plate 42 is sleeved in the arc-shaped through groove, the axis of the filtering device 15 is communicated with a proportioning pipe 52, one end of the proportioning pipe 52 is positioned in the middle of the inner cavity of the filtering device 15, the front side and the rear side of the inner wall of the filtering device 15 are provided with fixed ring sleeves 49, air inlets 50 are arranged on the fixed ring sleeves 49 at equal intervals, an annular air collecting cavity 48 is arranged between the proportioning pipe 52 and the fixed ring sleeves 49, the surfaces of the fixed ring sleeves 49 are fixedly connected with arc-shaped filtering plates 45 at equal intervals, a second diversion groove 44 is arranged between two adjacent arc-shaped filtering plates 45, and an isolation plate 46 is arranged between two arc-shaped filtering plates 45, the partition plate 46 is provided with an adsorbing carbon plate 51. When the air pressure in the pressure adjusting pipe 14 enters the inner cavity of the filtering device 15, the air flow in the hollow diversion trench 41 enters the hollow diversion trench 41 through the pipeline installation hole 47, at the moment, the air flow in the hollow diversion trench 41 is dispersed into the second diversion trenches 44 from the arc-shaped air outlet plate 42, so that the air can further play a role of filtering through the carbon adsorption plates 51 arranged on the arc-shaped filter plates 45 and the partition plate 46, the proportioning pipe 52 conveys external pure water vapor into the annular air collection chamber 48, the detected sulfur gas is mixed with the steam, the bottom of the liquid storage sleeve 56 capable of increasing the gas analyzed in the later stage is communicated with the blanking pipe 61, the top of the blanking pipe 61 is provided with the blanking pipe 61, the bottom of the blanking pipe 61 is provided with the separation groove 63, the blanking groove 62 is communicated with the separation groove 63, the connection rod 64 penetrates through the blanking groove 62 and the separation groove 63, and the connection rod 64 is sleeved with the closing plate 65, the closing plate 65 is sleeved in the separation groove 63, and the bottom of the connecting rod 64 is fixedly connected with a floating plate 66. In the process of analyzing hydrogen sulfide, when hydrogen sulfide gas passes through the pressure sleeve 54, the pressure sleeve 54 can ensure that gas entering the lead acetate box 55 is always under a constant value standard, when the hydrogen sulfide gas with humidity enters, lead acetate can fully react with hydrogen sulfide due to the water vapor in the pressure sleeve, so that the lead acetate can be diluted, the using time of the lead acetate is prolonged, when the lead acetate reacts with the hydrogen sulfide, the specific reaction is as follows, Pb (Ac)2+ H2S = PbS +2HAc, so that the reactant generated by the reaction enters the detection strip 58 through the reaction gas pipe 57, and since the paper tape is pressed in the detection strip 58, the surface of the paper tape can be brown, so that the condition of the hydrogen sulfide in the gas can be detected and analyzed, and when the consumption of the lead acetate in the lead acetate box 55 is reduced, the liquid level of the lead acetate in the lead acetate box 55 is reduced, the float 66 thus floats on top of the lead acetate and the connecting rod 64 on top of the float 66 moves downwardly so that the closure plate 65 is out of contact with the bottom of the drop chute 62 so that the lead acetate in the reservoir 56 can flow from the drop chute 62 and the separator 63 into the lead acetate box 55, thus maintaining the lead acetate in the lead acetate box 55 at a constant dose at all times.

The front side of the inner wall of the analysis cavity 53 is provided with a servo rotating motor, the output end of the servo rotating motor is fixedly connected with one side of a recovery scroll 60, and a paper tape is arranged in front of the recovery scroll 60 and the detection tape unreeling shaft 59.

When the device is used, when external gas enters the U-shaped pipe 8, the external gas firstly contacts the surface of the gas distribution head 29, so that the gas distribution head 29 forms an annular gap on the inner wall of the connecting pipe 9, when the pressure is normal, the gas passes through the annular gap and forms a vortex from the tail end of the gas collection head 30, smooth static flow of the gas can be ensured, the entering volume and flow rate of the gas can be effectively controlled, when the pressure of the entering gas is overlarge, the surface of the gas distribution head 29 is increased by the pressure, so that the isolating sleeve 27 of the gas distribution head 29 box can be driven to move, when the limiting ring 28 on the gas distribution head 29 contacts the sealing ring 32, the blocking can be realized, the purpose of the arrangement is to avoid sulfuration overload in the gas, the accuracy of the detection at the rear end of the detection analyzer is influenced, when the gas passes through the isolating adsorption plate 33, impurities in the gas can be removed under the action of the isolating adsorption plate 33, and gas is when keeping apart adsorption plate 33, with keeping apart slide 37 and the contact of absorption otter board 36, further carry out the separation with the impurity in the gas like this, and then can increase gaseous purity, and U-shaped pipe 8 can take off from equipment, whipping U-shaped pipe 8, can throw away gas distribution head 29 from U-shaped pipe 8, can wash the impurity in intake pipe 34 like this, can increase the life-span that U-shaped pipe 8 used like this, can carry out the high frequency use, the inner chamber cover of air inlet pipe box 20 is equipped with adaptation cover 19, pressure trigger bar 18 surface is located adaptation cover 19 and is provided with the adaptation stopper. Through the use of pressure regulation, in order to ensure the accuracy of analysis of hydrogen sulfide gas, a sliding plug 17 which can move up and down according to the air pressure of the gas entering the pressure regulation pipe 14 is arranged below the pressure regulation pipe 14, when the air pressure is too high, the sliding plug 17 moves down and extrudes a pressure spring 25 of a filtering device 15 to be compressed by the pressure, so that the adapting plug is gradually separated from an adapting sleeve 19, the pressure of a front-end conveying pipeline can be reduced, when the air pressure is abnormal, the aim of regulation can be achieved, further, when the air pressure can be reduced, the air flow of a detection and analysis end can be kept in a steady flow state, when the hydrogen sulfide gas passes through the pressure sleeve 54 in the process of analyzing the hydrogen sulfide, the pressure sleeve 54 can ensure that the gas entering the lead acetate box 55 is always under the standard of a fixed value, when the hydrogen sulfide gas with humidity enters, the lead acetate can fully react with the hydrogen sulfide due to the existence of water vapor inside, so that the lead acetate can be diluted and the use time of the lead acetate can be prolonged, when the lead acetate reacts with the hydrogen sulfide, the specific reaction is as follows, Pb (Ac)2+ H2S = PbS +2HAc, the reactant generated by the reaction enters the detection strip 58 through the reaction gas pipe 57, the paper tape is pressed in the detection strip 58, so that the surface of the paper tape can be browned, the condition of the hydrogen sulfide in the gas can be detected and analyzed, when the consumption of the lead acetate in the lead acetate box 55 is reduced, the liquid level of the lead acetate in the lead acetate box 55 is reduced, so that the floating plate 66 floating on the top of the lead acetate moves downwards, the connecting rod 64 on the top of the floating plate 66 moves downwards, so that the closing plate 65 is separated from the bottom of the lower dropping groove 62, so that the lead acetate in the liquid storage sleeve 56 can flow into the lead acetate box 55 from the dropping groove 62 and the separating groove 63, this maintains a constant dose of lead acetate in the lead acetate tank 55.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.

The foregoing description shows and describes several preferred embodiments of the invention, but as before, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A hydrogen sulfide analyzer, comprising: the device comprises an analysis device (1), wherein a content proportioning device (2) is fixedly connected to the top of the analysis device (1), a second air inlet pipe device (4) and a first air inlet pipe device (3) are respectively arranged on the left side and the right side of the top of the content proportioning device (2), the first air inlet pipe device (3) and the second air inlet pipe device (4) have the same structure, the first air inlet pipe device (3) comprises a connecting pipe (5), the top of the connecting pipe (5) is communicated with a first connecting bent pipe (6), one end of the first connecting bent pipe (6) is communicated with a first clamping pipe (7), one end of the first clamping pipe (7) is provided with a U-shaped pipe (8), two ends of the U-shaped pipe (8) are respectively provided with a connecting pipe (9), one end of the connecting pipe (9) is fixedly communicated with a clamping pipe (10), and one end of the two clamping pipes (10) is respectively fixedly communicated with the first clamping pipe (7) and a second clamping pipe (11), the fixed intercommunication in top of card pipe two (11) has the takeover (12) of admitting air, be provided with two pressure regulating device in content proportioning device (2), two pressure regulating device fixed connection respectively is in well cavity (13) that content proportioning device (2) set up, pressure regulating device with connecting pipe (5) intercommunication, two the intercommunication has filter equipment (15) between the pressure regulating device, the front intercommunication of filter equipment (15) has outer calandria (16), the one end of outer calandria (16) extends to in the analysis chamber (53) that analytical equipment (1) set up, fixedly connected with pressure cover (54) in analysis chamber (53), the one end intercommunication of stock solution cover (56) has lead acetate case (55), the top of lead acetate case (55) is fixed and is had a barrel reaction gas pipe (57), the one end fixedly connected with detection strip (58) of reaction gas pipe (57), one side of the inner wall of the analysis cavity (53) is fixedly connected with a detection tape unwinding shaft (59) and a recovery winding shaft (60), the detection tape unwinding shaft (59) and the test strips on the recovery winding shaft (60) are pressed in the detection strips (58), and the right side of the top of the lead acetate box (55) is provided with a liquid storage sleeve (56).

2. The hydrogen sulfide analyzer according to claim 1, wherein: the U-shaped pipe (8) is sleeved with a separation sleeve (27), the separation sleeve (27) is sleeved with an air inlet pipe (34), a connecting rod (31) penetrates through the air inlet pipe (34), a separation sliding plate (37) is fixedly connected to the bottom end of the connecting rod (31), a filter cotton plate (38) is arranged on the separation sliding plate (37), a filter sleeve (35) is fixedly connected to one side of the separation sliding plate (37), an adsorption net plate (36) is fixedly connected to one side of the filter sleeve (35), an air outlet cavity (39) is arranged on the right side of the U-shaped pipe (8), an air collecting head (30) is fixedly connected to the top end of the connecting rod (31), a limiting ring (28) is fixedly connected to one side of the air collecting head (30), the air separating head (29) is fixedly connected to one side of the air collecting head (30) far away from the limiting ring (28), and a flaring portion (26) is arranged at the top end of the U-shaped pipe (8), intake pipe (34) are located one side cover of flaring portion (26) is equipped with sealing ring (32), the cover is equipped with isolation adsorption plate (33) on connecting rod (31), isolation adsorption plate (33) cover is established in intake pipe (34).

3. A hydrogen sulfide analyzer according to claim 2, wherein: the pressure adjusting device comprises a pressure adjusting pipe (14), the pressure adjusting pipe (14) is communicated with the connecting pipe (5), a fixing plate (24) is fixedly connected to the bottom of the inner wall of the pressure adjusting pipe (14), a mounting seat (21) is fixedly connected to the top of the fixing plate (24), a vertical rod (22) is fixedly connected to the top of the mounting seat (21), an elastic sleeve (23) is sleeved on the top end of the vertical rod (22), a sliding plug (17) is fixedly connected to the top of the elastic sleeve (23), a pressure trigger rod (18) is fixedly connected to the top of the sliding plug (17), a pressure spring (25) is sleeved on the mounting seat (21), the vertical rod (22) and the elastic sleeve (23), one end of the pressure spring (25) is fixedly connected to one side of the fixing plate (24), the other end of the pressure spring (25) is fixedly connected to one side of the sliding plug (17), one side of the pressure adjusting pipe (14) is communicated with the filtering device (15) through an air inlet pipe sleeve (20), an adapting piece (19) is sleeved in an inner cavity of the air inlet pipe sleeve (20), and an adapting plug is arranged on the surface of the pressure trigger rod (18) and positioned in the adapting piece (19).

4. A hydrogen sulfide analyzer according to claim 3, wherein: the device is characterized in that pipeline mounting holes (47) are formed in the left side and the right side of the inner wall of the filtering device (15), arc-shaped plates (40) are fixedly connected to the left side and the right side of the inner wall of the filtering device (15), hollow flow distribution grooves (41) are formed in the arc-shaped plates (40), arc-shaped air outlet plates (42) are sleeved in the arc-shaped strip flow distribution grooves, the axis of the filtering device (15) is communicated with a proportioning pipe (52), one end of the proportioning pipe (52) is located in the middle of the inner cavity of the filtering device (15), fixing ring sleeves (49) are arranged on the front side and the rear side of the inner wall of the filtering device (15), air inlets (50) are arranged on the fixing ring sleeves (49) at equal intervals, an air collection annular cavity (48) is arranged between the proportioning pipe (52) and the fixing ring sleeves (49), and arc-shaped filter plates (45) are fixedly connected to the surface of the fixing ring sleeves (49) at equal intervals, two adjacent arc filter (45) are provided with second diversion groove (44) between, the interval is two be provided with division board (46) between arc filter (45), be provided with on division board (46) and adsorb carbon plate (51).

5. The hydrogen sulfide analyzer according to claim 4, wherein: the bottom of stock solution cover (56) communicates blanking pipe (61), blanking pipe (61) have been seted up at the top of blanking pipe (61), separating tank (63) have been seted up to the bottom of blanking pipe (61), blanking groove (62) with separating tank (63) intercommunication, blanking groove (62) with it is provided with connecting rod (64) to run through in separating tank (63), the cover is equipped with closing plate (65) on connecting rod (64), closing plate (65) cover is established in separating tank (63), the bottom fixedly connected with kickboard (66) of connecting rod (64).

6. The hydrogen sulfide analyzer according to claim 5, wherein: the front side of the inner wall of the analysis cavity (53) is provided with a servo rotating motor, the output end of the servo rotating motor is fixedly connected with one side of the recovery scroll (60), and a paper tape is arranged before the recovery scroll (60) and the detection tape unreeling shaft (59).