CN207964752U - Flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and system - Google Patents
Flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and system Download PDFInfo
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- CN207964752U CN207964752U CN201820393916.1U CN201820393916U CN207964752U CN 207964752 U CN207964752 U CN 207964752U CN 201820393916 U CN201820393916 U CN 201820393916U CN 207964752 U CN207964752 U CN 207964752U
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- coaxial sleeve
- flue gas
- condensate liquid
- tubule
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- 238000005070 sampling Methods 0.000 title claims abstract description 132
- 150000002500 ions Chemical class 0.000 title claims abstract description 69
- 239000003546 flue gas Substances 0.000 title claims abstract description 67
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 239000000523 sample Substances 0.000 title claims abstract description 54
- 230000000694 effects Effects 0.000 title claims abstract description 36
- 238000005202 decontamination Methods 0.000 title claims abstract description 31
- 230000003588 decontaminative effect Effects 0.000 title claims abstract description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 123
- 239000007788 liquid Substances 0.000 claims abstract description 93
- 238000010992 reflux Methods 0.000 claims abstract description 81
- 210000005239 tubule Anatomy 0.000 claims abstract description 79
- 239000004615 ingredient Substances 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 238000001816 cooling Methods 0.000 claims description 47
- 239000012530 fluid Substances 0.000 claims description 18
- 230000013011 mating Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000003009 desulfurizing effect Effects 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000009827 uniform distribution Methods 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 20
- 230000007797 corrosion Effects 0.000 abstract description 19
- 239000000498 cooling water Substances 0.000 abstract description 14
- 229920006395 saturated elastomer Polymers 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000005498 polishing Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 238000001556 precipitation Methods 0.000 abstract 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 32
- 238000009833 condensation Methods 0.000 description 16
- 230000005494 condensation Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 239000000443 aerosol Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 235000019504 cigarettes Nutrition 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
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- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
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- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000001458 anti-acid effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
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- 238000002156 mixing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and systems, the main body of sample probe is interior reflux coaxial sleeve, four sampling tubules are inlayed on unit with grooves in outer wall, recirculated cooling water is flowed into from outer tube, inner sleeve flows out, make the various acid vapors in wet flue gas, saturated steam condenses precipitation on outer casing wall, and it comes together in groove, vacuum pump is connected with the outlet of sampling tubule, condensate liquid to the NaOH solution tank NaOH extracted in coaxial sleeve unit with grooves in outer wall stores, enter the ingredient and concentration of ion chromatograph on-line monitoring active ion later；The sampling tubule of the utility model can acquire the wet flue gas condensate liquid of different wall temperatures and position to monitor its changing rule, by offline cutting and polishing tubule and the detectable corrosion layer thickness of coaxial sleeve and calculate corrosion rate；The utility model solves the root problem of active ion ingredient and concentration and offline inspection active ion associativity low-temperature corrosion rate in on-line monitoring condensate liquid.
Description
Technical field
The utility model is related to the sampling of flue gas condensing liquid active ion ingredient, concentration and corrosion rate and monitoring field, tools
Body be related to wet flue gas condensation after a kind of combustion of fossil fuel rear pass and wet desulphurization take off it is cold during white deep removal pollutant
Active ion ingredient, concentration and corrosion rate on-line monitoring probe and system in lime set multidraw and condensate liquid.
Background technology
China's economy grows continuously and fast, and fossil energy consumption figure increases year by year, and air quality is also worsening, and the whole nation is each
Ground haze, which is wreaked havoc, to take place frequently.The discharge of atmosphere pollution in order to control, Thermal Power Generation Industry propose minimum discharge standard, it is desirable that SO2<
20mg/m3.To realize that minimum discharge standard, most thermal power plants remove SO using wet limestone-gypsum FGD mode2.It adopts
SO can will be discharged with wet desulphurization2Concentration is controlled in 20mg/m3Within, but still contain a large amount of saturated steam, grain size in discharging fume
Soluble salt aerosol, SO less than 5 μm3/H2SO4, the sour gas such as HF, HCl.Flue gas containing a large amount of saturated steams is from cigarette
There is white plume, are formed in constantly diffusion cooling after being discharged in chimney, a large amount of droplets of condensation, refraction scattering sunray
" visual pollution "；SO3And soluble salt aerosol of the grain size less than 5 μm is the important component of secondary particulate in air, and
Secondary particulate reaches the contribution of concentration of PM2.5SO3/H2SO4, the sour gas such as HF, HCl are in back-end ductwork and cigarette
Condensation in chimney has extremely strong corrosivity, hidden danger is brought to the safe operation of boiler.Therefore the wet cigarette after wet desulphurization
Gas discharges after must handling, and reduces the relative humidity of vapor in smoke evacuation, removes most soluble salt aerosol and SO3/
H2SO4, the sour gas such as HF, HCl, eliminate the white plume in chimney emission.Since 2016, Shanghai, Zhejiang, Handan, day
Policy has been put into effect in succession in the ground such as Tianjin, it is desirable that coal-fired electric generation furnace should take corresponding means to eliminate coloured plume phenomenon.
Current most coal-burning boiler is not provided with flue gas and takes off white device, and small part is provided with the de- white dress of flue gas reheat
It sets, heating wet flue gas is warming up to undersaturated condition to remove white plume.The de- white smoke re-heater that easily causes of flue gas reheat corrodes
And blocking, and the significant wastage that flue gas is caused into the energy to 80 DEG C.It can not be eliminated using heating elimination white cigarette wet
SO in flue gas3/H2SO4, the sour gas such as HF, HCl and grain size be less than 5 μm of soluble salt aerosol, and SO3/H2SO4With it is solvable
Salt aerosol is the important component of secondary particulate, is one of arch-criminal of haze.Therefore SO can significantly be removed3/H2SO4
White technology is taken off with the flue gas condensing of soluble salt aerosol to start gradually to promote.
Flue gas condensing takes off wet flue gas of the Brix after the main condensate cooling desulfurization of power plant, while recycling solidifying in vapor
The heat of transformation is tied, boiler efficiency is improved.Water vapor condensation can a large amount of adsorbing and removing cigarettes at the droplet of submicron order in cooling procedure
SO in gas3/H2SO4With soluble salt aerosol；The condensation of the sour gas such as simultaneous HF, HCl contains in condensate liquid
There is a large amount of H+、Cl-、SO4 2-、F-Deng, have extremely strong corrosivity, therefore the design of condensing heat exchanger to take into account high efficient heat exchanging with
And antiacid liquid, Cl-Corrosion.The fire coal that different coal units use is different, and the wet flue gas ingredient after desulfurizing tower also differs.It is true
Determine the material of condensing heat exchanger, it is ensured that the problems such as booster, corrosion cracking does not occur during service in condensing heat exchanger, need to acquire de-
Wet flue gas measures the ion concentration in condensate liquid in the condensate liquid of different temperatures, position after sulphur tower, chooses under corresponding ion concentration
Corrosion-resistant stainless steel, to assess the safe handling time limit of heat exchanger.But do not have also a kind of harvester that can accurately adopt at present
Condensate liquid of the wet flue gas under different temperatures, position after collection desulfurizing tower, research and development are a kind of can precisely to acquire wet flue gas condensate liquid
Sampling apparatus is extremely urgent.
Invention content
In order to fill up the blank of wet flue gas condensate liquid harvester after desulfurizing tower, flue gas condensing is promoted to take off the hair of white technology
It opens up, the purpose of this utility model is to provide a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and is
The main body of system, sampling monitoring probe is interior reflux coaxial sleeve, and capture segment is fixed on by annular flange dish among flue；Wet cigarette
Gas condenses on the housing tube wall of circulating water, and the condensate liquid in housing tube wall groove is collected in using sampling tubule acquisition；
It is low that the utility model solves active ion ingredient and concentration and offline inspection active ion associativity in on-line monitoring condensate liquid
The root problem of warm corrosion rate promotes wet flue gas dehumidification by condensation to take off the development of white deep removal pollutant technology, to slow down and
Haze is eliminated to contribute.
In order to achieve the above object, the utility model adopts the following technical solution：
A kind of flue gas condensing dehumidifies decontamination environment activity ion sampling monitoring probe, the main body of the sampling monitoring probe by
Reflux coaxial sleeve and the equally distributed four samplings tubule 1 of the coaxial sleeve outer wall that flows back along water cooling form in water cooling；It is described
Reflux coaxial sleeve reflux coaxial sleeve outer tube 2 including interior reflux coaxial sleeve outer tube 2 and coaxial arrangement in water cooling
The cycle water inlet of interior interior reflux coaxial sleeve inner tube 4, interior reflux coaxial sleeve outer tube 2 is located at except flue, interior reflux
2 circulating water outlet of coaxial sleeve outer tube is located in flue and is connected to the cycle water inlet of interior reflux coaxial sleeve inner tube 4, interior
The circulating water outlet of reflux coaxial sleeve inner tube 4 is located at except flue；The interior 2 outside wall surface upper edge of reflux coaxial sleeve outer tube
Circumferencial direction be uniform-distribution with four axially through condensate liquid collect groove 3, collect respectively flue gas direction of flow, leeward with
And the condensed water of casing two sides；Condensate liquid is placed under the sampling tubule 1 to collect in groove 3, sampling tubule 1 is located at flue
An interior end closure, the one end open being located at except flue, sampling tubule 1 are located in flue near an end closure and are placed in condensation
Liquid collects to be equipped on the tube wall in groove 3 takes fluid through-hole for acquiring the multiple rows of of condensate liquid；The interior reflux coaxial sleeve housing
The monolithic devices clip 6 of fixed sampling tubule 1 is provided on pipe 2, reflux coaxial sleeve is solid using annular flange dish 5 in the water cooling
It is scheduled on flue wall surface 13, the sampling monitoring probe level is placed or is disposed vertically.
It is described it is multiple rows of take fluid through-hole be three rows, take fluid through-hole a diameter ofPitch of holes isOften row takes the fluid through-hole number to beIt is a；Three rows take the fluid through-hole line of centres difference face bottom portion of groove and
Groove both sides connect at tube wall；There are cracks between taking fluid through-hole and condensate liquid to collect the wall surface of groove 3, and acquisition is facilitated to condense
Liquid.
The annular flange dish 5 is made of 180 ° of halfbody ring flanges 21 of two panels, with the reserved detection of local desulfurizing tower rear pass
Flange port size is identical；The interior coaxial sleeve that flows back of sampling tubule fixed hole 22, water cooling is provided on 180 ° of halfbody ring flanges 21
Fixed hole 23, Back Word type sealing mating surface 24, fixing bolt 25 and flange bolt through-hole 26；Reflux coaxial sleeve is solid in water cooling
Determine through-hole 23 and 180 ° of halfbody ring flanges 21 are concentric, sampling tubule fixed hole 22 and sampling tubule 1 are concentric, through-hole and pipe
It is clearance fit；Back Word type seals mating surface 24 and is parallel to 5 face of annular flange dish and three perpendicular to annular flange by two
The face of disk 5 forms, stepped, and intermediate vertical face is the plane of symmetry of annular flange dish 5；Fixing bolt 25 penetrates through annular flange
Disk 5, it is vertical with the Back Word type sealing vertical plane of mating surface 24, it is located at 5 both sides of annular flange dish, flange bolt through-hole 26 and sampling
Between tubule fixed hole 22.
Reflux coaxial sleeve overall length is in the water coolingIt is buried on interior 2 wall of reflux coaxial sleeve outer tube
There is a temperature thermocouple, the material of the interior reflux coaxial sleeve outer tube 2 acidproof, anti-chlorine ion corrosion using 2205,2507 or 316L
Stainless steel or plastic steel.
The depth that the condensate liquid collects groove 3 isWidth isUsing finishing, it is conducive to
Fixed sampling tubule simultaneously effectively collects condensate liquid.
It is described sampling tubule 1 outer diameter beLength isThere is graduated scale on sampling tubule 1
Very little, can read sampling tubule takes liquid level to set, to compare different location condensate liquid active ion ingredient and concentration difference.
When sampling monitoring probe level is placed, acquire in 2 outer wall windward side of reflux coaxial sleeve outer tube, leeward and
The condensate liquid of two sides, four sampling tubules being evenly arranged by a coaxial sleeve outer wall measure the cold of four different locations
Active ion ingredient and concentration changing rule in lime set；When sampling monitoring probe is disposed vertically, sampling tubule 1 is along entire probe
Condensate liquid in length collects the condensate liquid that groove 3 moves up and down acquisition different height, to measure under gravity condensate liquid not
The disconnected active ion ingredient and concentration changing rule collected downwards in flow process.
A kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring system, including flue gas condensing dehumidifying are de-
Dirty environment activity ion sampling monitoring probe is located at one end except flue with the sampling tubule 1 of sampling monitoring probe and passes through vacuum
The NaOH solution tank NaOH 10 of 9 connection of pump, NaOH solution tank NaOH 10 are arranged in rotating box 11, acquire the NaOH solution tank NaOH after condensate liquid 10 with rotary box
The rotation access ion chromatograph 12 of body 11 surveys active ion ingredient and concentration, and the NaOH solution tank NaOH 10 with space-time is rotatablely connected to vacuum pump
9, continue to collect condensate liquid；Further include being located at one end except flue with the interior reflux coaxial sleeve inner tube 4 of sampling monitoring probe
The cooling unit 7 of circulating water outlet connection, the high temperature circulation machine 8 being connected to cooling unit 7, in 8 outlet of high temperature circulation machine
The cycle water inlet that the coaxial sleeve outer tube 2 that flows back is located at except flue.
The cooling unit 7 uses air-cooled, water cooling or refrigeration equipment；The high temperature circulation machine 8 is with there are one water tanks and temperature
Unit is controlled, the water in water tank can be heated and maintain set temperature.
The flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring systematic sampling monitoring method, passes through loop method
Blue disk 5 will be flowed back in water cooling among coaxial sleeve is fixed on flue, recirculated cooling water from interior reflux coaxial sleeve outer tube 2 into
Enter, along interior reflux coaxial sleeve outer tube 2 flow to the flue end end after flow into reflux coaxial sleeve inner tube 4, interior reflux is same
The wall temperature and cooling water temperature of pipe spreader outer tube 2 are approximately the same, and less than the dew-point temperature of saturated steam in wet flue gas, water steams
Gas is largely aggregated on 2 surface of reflux coaxial sleeve outer tube inside, while also solidifying along with the absorption of acid vapor, aerosol particle
And condensation water is constantly precipitated and collects in condensate liquid and collects among groove 3；Sampling tubule 1 takes fluid through-hole to be located at condensate liquid remittance
Among collecting groove 3, the other end is connected to vacuum pump 9, and condensate liquid is evacuated in NaOH solution tank NaOH 10 and is sealed；NaOH solution tank NaOH 10 is with rotation
The rotation of babinet 11 accesses ion chromatograph 12, the active ion ingredient in on-line checking condensate liquid and concentration, with the solution of space-time
The rotation connection of tank 10 continues to collect condensate liquid to vacuum pump 9；Recirculated cooling water leaves laggard from interior reflux coaxial sleeve inner tube 4
Enter cooling unit 7, be reduced under set temperature, subsequently enter high temperature circulation machine 8 and be heated to set temperature, starts new follow
Ring；By regulating and controlling the temperature of recirculated cooling water to adjust the outer wall temperature of interior reflux coaxial sleeve outer tube 2, different condensations are obtained
At a temperature of condensate liquid；The condensate liquids of four perforations that have of interior reflux coaxial sleeve outer tube 2 collect groove 3, acquisition windward side,
Leeward and the condensate liquid of both sides；In four sampling tubules, two sides are symmetrical one group, actual monitoring and detection process
In, it can complete to detect as long as taking one of them, after sampling experiment, one of two sides sampling tubule be removed and is cut
Cast setting polishing is cut, the corrosion layer thickness by detecting this sampling tubule obtains sampling tubule in experimentation and bears wet cigarette
The corrosion rate of the combined low-temperature corrosion of gas active ion；Other three sampling tubules are for detecting active ion ingredient and dense
Degree.
The utility model innovative point, advantage and good effect are：
1, the utility model a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and system within
It flows back based on coaxial sleeve, outer tube wall temperature is controlled by control loop cooling water temperature, makes the saturated water in wet flue gas
Steam and various the belongings condensation adsorption on outer casing wall increase the collecting amount of condensate liquid using the groove on housing tube wall,
To obtain the wet desulphurization wet flue gas condensate liquid at each temperature.
2, the outer layer jacket tube wall upper edge circumferencial direction of the harvester of the utility model be uniform-distribution with four axially through
Catchment recess can acquire the condensate liquid of single tube windward side, leeward and both sides when sampling apparatus is horizontally arranged；Work as sampling cartridge
It sets when being disposed vertically, sampling tubule can move up and down the condensate liquid of acquisition different height along groove, measure and condensed under gravity
Liquid constantly collects downwards the variation of the concentration in flow process.
3, the utility model a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and system it is interior
Reflux coaxial sleeve keep wall temperature constant in an experiment, and with wet flue gas Long Term Contact.After sampling outside cleavable polishing
Tube wall, the low-temperature corrosion rate of offline inspection material analyze the moisture-resistant flue gas low-temperature corrosive power of different casing wall materials.
4, a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe of the utility model and system pass through
Rotating box realizes the continuous real-time online detection of condensate liquid active ion ingredient and concentration.
5, a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe of the utility model and system can be with
Acquire different wall temperatures, position wet flue gas condensate liquid, provide support for the selection of condensing heat exchanger；Condensing heat-exchange can also be detected
The condensate liquid ingredient of device, the service life of assessment prediction condensing heat exchanger replace the heat exchanger tube of seriously corroded；Solves corruption
The root problem for losing component monitoring and corrosion rate detection, wet flue gas condensation is de- white after promoting burner and coal-burning wet desulfurization
The development of collaboration abjection pollutant technology, contributes to slow down and eliminating haze.
Description of the drawings
Fig. 1 is that 4 of a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe of the utility model take
Sample probe figure when sample tubule uses simultaneously.
Fig. 2 is that a kind of cycle of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe of the utility model is cold
But the flow path schematic diagram including water in reflux coaxial sleeve.
Fig. 3 is that a kind of sampling of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe of the utility model is thin
Pipe flue end sample tap schematic diagram.Fig. 3 a are sampling tubule nozzle schematic diagram；Fig. 3 b are the cooperation signal for sampling tubule and groove
Figure.
Fig. 4 is that a kind of sampling of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe of the utility model is thin
Pipe clip schematic diagram.
Fig. 5 is a kind of loop method of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe of the utility model
Blue schematic diagram.
Fig. 6 is a kind of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring system schematic of the utility model.
Fig. 7 is a kind of online inspection of flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring system of the utility model
Examining system schematic diagram.
Specific implementation mode
Utility model is described in detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, Figure 2, in Fig. 3 shown in Fig. 3 a and Fig. 3 b, a kind of flue gas condensing dehumidifying decontamination environment activity of the utility model
The main body of ion sampling monitoring probe, the sampling monitoring probe flows back coaxially by reflux coaxial sleeve in water cooling and along water cooling
The equally distributed four samplings tubule 1 of sleeve outer wall forms；Reflux coaxial sleeve includes interior reflux coaxial sleeve in the water cooling
The interior reflux coaxial sleeve inner tube 4 that outer tube 2 and coaxial arrangement flow back in coaxial sleeve outer tube 2 inside, interior reflux coaxial sleeve
The cycle water inlet of pipe outer tube 2 is located at except flue, and interior 2 circulating water outlet of reflux coaxial sleeve outer tube is located in flue simultaneously
It is connected to the cycle water inlet of interior reflux coaxial sleeve inner tube 4, the circulating water outlet of interior reflux coaxial sleeve inner tube 4 is located at flue
Except；Along the circumferential direction be uniform-distribution in interior 2 outside wall surface of reflux coaxial sleeve outer tube four axially through condensation
Liquid collects groove 3, collects the condensed water of flue gas direction of flow, leeward and casing two sides respectively；Under the sampling tubule 1
Condensate liquid is placed on to collect in groove 3；Sampling tubule 1 is located at the end closure in flue, the one end open being located at except flue,
Sampling tubule 1 be located at an end closure in flue it is neighbouring and be placed in condensate liquid collect be equipped on tube wall in groove 3 it is cold for acquiring
The multiple rows of of lime set takes fluid through-hole；The monolithic devices clip of fixed sampling tubule 1 is provided on the interior reflux coaxial sleeve outer tube 2
6, the interior reflux coaxial sleeve of the water cooling is fixed on using annular flange dish 5 on flue wall surface 13, the sampling monitoring probe water
Placing flat is disposed vertically.
As shown in Fig. 2, recirculated cooling water enters in water cooling the coaxial sleeve that flows back, edge from interior reflux coaxial sleeve outer tube 2
Interior reflux coaxial sleeve outer tube 2 flows into interior reflux coaxial sleeve inner tube 4 after flowing to the flue end end.Interior reflux coaxial sleeve
The wall temperature of pipe outer tube 2 is approximately equal to recirculated cooling water water temperature.The recirculated cooling water of wet flue gas condensation phase change heat is absorbed from interior time
The outlet of stream coaxial sleeve inner tube 4 enters cooling unit.
As shown in Fig. 3 a in Fig. 3, as preferred embodiments of the present invention, the outlet of sampling 1 flue end of tubule is welded.
Three rows are made a call on the tube wall of the flue end near exit of sampling tubule 1 and take fluid through-hole, take fluid through-hole a diameter ofPitch of holes isOften row takes the fluid through-hole number to beThree rows take in fluid through-hole
Heart line difference face bottom portion of groove is connected with groove both sides at tube wall；As shown in Fig. 3 b in Fig. 3, samples and take liquid on tubule 1
Through-hole and condensate liquid collect between the wall surface of groove 3 that there are cracks, facilitate acquisition condensate liquid.
As shown in figure 4, as preferred embodiments of the present invention, in water cooling in reflux coaxial sleeve flue outer segment
There is the monolithic devices clip 6 of fixed sampling tubule 1.Sampling tubule 1 receives washing away for high-speed flow in flue, only relies on condensate liquid
Collect the through-hole on groove 3 and annular flange dish 5 and is difficult to fixed sampling tubule 1.To ensure the continuous acquisition of condensate liquid, return inside
It flows coaxial sleeve outer tube 2 and monolithic devices clip 6 is set, sampling tubule 1 is fixed using the monolithic devices clip 6 of bolt fastening.It is whole
The condensate liquid that four sampling tubules 1 can be integrally attached to interior 2 outer wall of reflux coaxial sleeve outer tube by type clip 6 collects groove
Blending bolt adjusting elasticity in 3 facilitates dismounting and the adjustment position of sampling tubule 1.To avoid the occurrence of electrochemical corrosion, monolithic devices
Clip 6, sampling tubule 1, the interior reflux coaxial sleeve of water cooling and annular flange dish 5 select same material.
As shown in figure 5, as preferred embodiments of the present invention, the annular flange dish 5 is by 180 ° of halfbodies of two panels
Ring flange 21 forms, identical as the reserved detection flange port size of local desulfurizing tower rear pass.It is arranged on 180 ° of halfbody ring flanges 21
There are the interior reflux coaxial sleeve fixed hole 23 of sampling tubule fixed hole 22, water cooling, Back Word type sealing mating surface 24, fixing bolt
25 and flange bolt through-hole 26；Reflux coaxial sleeve fixed hole 23 and 180 ° of halfbody ring flanges 21 are concentric in water cooling, sampling
Tubule fixed hole 22 and sampling tubule 1 are concentric, and through-hole and pipe are clearance fit；Back Word type seals mating surface 24 by two
It is parallel to 5 face of annular flange dish and three forms perpendicular to the face of annular flange dish 5, it is stepped, and intermediate vertical face is ring
The plane of symmetry of shape ring flange 5；Fixing bolt 25 penetrates through annular flange dish 5, vertical with the Back Word type sealing vertical plane of mating surface 24,
Between 5 both sides of annular flange dish, flange bolt through-hole 26 and sampling tubule fixed hole 22.Annular flange dish 5 is two
The entirety being composed along the halfbody ring flange 21 of 180 degree fission is conducive to reflux coaxial sleeve in water cooling, four sampling tubules
With the assembly and disassembly of annular flange dish 5, while adjusting being facilitated to go deep into the length of reflux coaxial sleeve in the water cooling of flue.Back Word
Rubber or plastic seal gasket can be set among type sealing mating surface 24, it is ensured that good seal.Fixing bolt 25 penetrates through 180 ° half
180 ° of halfbody ring flanges 21 of two panels are fixed into an entirety by body ring flange 21.
As preferred embodiments of the present invention, reflux coaxial sleeve overall length is in the water coolingTemperature thermocouple, interior reflux coaxial sleeve outer tube 2 are embedded on interior 2 wall of reflux coaxial sleeve outer tube
Material using 2205,2507 or 316L is acidproof, anti-chlorine ion corrosion stainless steel or plastic steel.
As preferred embodiments of the present invention, the depth that the condensate liquid collects groove 3 isWidth
ForUsing finishing, condensate liquid is collected conducive to fixed sampling tubule and effectively.
As preferred embodiments of the present invention, the outer diameter of the sampling tubule 1 is Length isThere is scale size on sampling tubule 1, can read sampling tubule takes liquid level to set, to compare different positions
Set condensate liquid active ion ingredient and concentration difference.Sampling tubule 1 is stuck in flue outer end in annular flange dish 5, is existed in advance
The duct of cooperation is processed so that fixation takes on annular flange dish 5 and the inner periphery of interior 2 contact of reflux coaxial sleeve outer tube
Sample tubule 1.
When sampling monitoring probe level is placed, acquire in 2 outer wall windward side of reflux coaxial sleeve outer tube, leeward and
The condensate liquid of two sides, four sampling tubules being evenly arranged by a coaxial sleeve outer wall measure the cold of four different locations
Active ion ingredient and concentration changing rule in lime set；When sampling monitoring probe is disposed vertically, sampling tubule 1 is along entire probe
Condensate liquid in length collects the condensate liquid that groove 3 moves up and down acquisition different height, to measure under gravity condensate liquid not
The disconnected active ion ingredient and concentration changing rule collected downwards in flow process.
The decontamination environment activity ion sampling monitoring system as shown in fig. 6, a kind of flue gas condensing of the utility model dehumidifies, including
The flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe, is located at the sampling tubule 1 of sampling monitoring probe
The NaOH solution tank NaOH 10 that one end is connected to by vacuum pump 9 except flue, NaOH solution tank NaOH 10 are arranged in rotating box 11, after acquiring condensate liquid
NaOH solution tank NaOH 10 detect active ion ingredient and concentration as rotating box 11 rotates access ion chromatograph 12, with the molten of space-time
The rotation connection of flow container 10 continues to collect condensate liquid to vacuum pump 9；Further include in the interior reflux coaxial sleeve with sampling monitoring probe
Pipe 4 be located at one end except flue circulating water outlet connection cooling unit 7, the high temperature circulation machine 8 being connected to cooling unit 7,
Reflux coaxial sleeve outer tube 2 is located at the cycle water inlet except flue in 8 outlet of high temperature circulation machine.
As preferred embodiments of the present invention, cooling unit 7 will absorb wet flue gas condensation phase change heat and heat up
Circulating water to environment temperature；It, can be by circulating water unit replacement when required tube wall temperature is below environment temperature
For refrigeration equipment, it is ensured that high temperature circulation machine 8 can by circulating cooling water management setting temperature；Wind can be selected in cooling unit 7
Cold, water cooling or refrigeration equipment.Water in water tank can be heated and be maintained with there are one water tank and temperature conditioning unit by high temperature circulation machine 8
Set temperature.
As preferred embodiments of the present invention, vacuum pump should choose acidproof, salt corrosion vacuum pump, avoid corroding
Interference of the product to condensate liquid constituent analysis.
As shown in fig. 7, vacuum pump inlet 31, vacuum pump 9, vacuum pump expansion joint 32, NaOH solution tank NaOH 10, rotating box 11,
Ion chromatograph 12.Vacuum pump inlet 31 is connected with the outlet of sampling tubule 1, extracts condensate liquid and passes through vacuum pump expansion joint
It is stored in 32 feeding NaOH solution tank NaOHs 10.NaOH solution tank NaOH 10 follows the rotation access ion chromatograph 12 of rotating box 11, ion chromatograph 12
Condensate liquid is extracted from NaOH solution tank NaOH 10, is detected active ion ingredient and concentration in condensate liquid, is realized active ion in condensate liquid
Ingredient and the detection of the continuous real-time online of concentration.
As shown in fig. 6, the utility model flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring systematic sampling prison
Survey method will be flowed back among coaxial sleeve is fixed on flue by annular flange dish 5 in water cooling, and recirculated cooling water is same from interior reflux
Pipe spreader outer tube 2 enter, along interior reflux coaxial sleeve outer tube 2 flow to the flue end end after flow into reflux coaxial sleeve
Inner tube 4, the wall temperature and cooling water temperature of interior reflux coaxial sleeve outer tube 2 are approximately the same, less than saturated steam in wet flue gas
Dew-point temperature, vapor 2 surface of coaxial sleeve outer tube of flowing back inside is largely aggregated, while also molten along with acid vapor, gas
The absorption coalescence of glue particle, condensation water, which is constantly precipitated and collects in condensate liquid, to be collected among groove 3；Sampling tubule 1 takes liquid logical
Hole is located among condensate liquid collects groove 3, and the other end is connected to vacuum pump 9, and condensate liquid is evacuated in NaOH solution tank NaOH 10 and is sealed；
NaOH solution tank NaOH 10 rotates access ion chromatograph 12 with rotating box 11, active ion ingredient in on-line checking condensate liquid and dense
Degree, the rotation connection of NaOH solution tank NaOH 10 with space-time continue to collect condensate liquid, by having the rotary box of storage function to vacuum pump 9
Body 11 realizes condensate liquid active ion ingredient and the continuous real time and on line monitoring of concentration；Recirculated cooling water is from interior reflux coaxial sleeve
Pipe inner tube 4 enters cooling unit 7 after leaving, and is reduced under set temperature, subsequently enters high temperature circulation machine 8 and is heated to setting temperature
Degree, starts new cycle；By regulating and controlling the temperature of recirculated cooling water to adjust the outer wall of interior reflux coaxial sleeve outer tube 2
Temperature obtains the condensate liquid under different condensation temperatures；Interior reflux coaxial sleeve outer tube 2 to have the condensate liquids of four perforations to collect recessed
Slot 3, the condensate liquid of acquisition windward side, leeward and both sides；In four sampling tubules, two sides are symmetrical one group, practical
It in monitoring and detection process, can complete to detect as long as taking one of them, after sampling experiment, two sides are sampled into tubule
One of them is removed cut-fill and inlays polishing, and the corrosion layer thickness by detecting this sampling tubule, which obtains in experimentation, to be taken
Sample tubule bears the corrosion rate of the combined low-temperature corrosion of wet flue gas active ion；Other three sampling tubules are for detecting activity
Ion component and concentration.
Claims (8)
- The decontamination environment activity ion sampling monitoring probe 1. a kind of flue gas condensing dehumidifies, it is characterised in that：The sampling monitoring is visited The main body of needle is by coaxial sleeve and the equally distributed four samplings tubule of reflux coaxial sleeve outer wall along water cooling of flowing back in water cooling (1) it forms；Reflux coaxial sleeve flows back same including interior reflux coaxial sleeve outer tube (2) and coaxial arrangement in the water cooling Interior reflux coaxial sleeve inner tube (4) in pipe spreader outer tube (2), the cycle water inlet of interior reflux coaxial sleeve outer tube (2) Except flue, interior reflux coaxial sleeve outer tube (2) circulating water outlet be located in flue and in interior reflux coaxial sleeve The cycle water inlet connection of (4) is managed, the circulating water outlet of interior reflux coaxial sleeve inner tube (4) is located at except flue；It is returned in described Stream coaxial sleeve outer tube (2) outside wall surface on be along the circumferential direction uniform-distribution with four axially through condensate liquid collect groove (3), collect the condensed water of flue gas direction of flow, leeward and casing two sides respectively；It is placed under the sampling tubule (1) Condensate liquid collects in groove (3)；Sampling tubule (1) is located at the end closure in flue, and the one end open being located at except flue takes Sample tubule (1), which is located at an end closure in flue nearby and is placed in condensate liquid and collects, to be equipped on tube wall in groove (3) for acquiring The multiple rows of of condensate liquid takes fluid through-hole；The entirety of fixed sampling tubule (1) is provided on the interior reflux coaxial sleeve outer tube (2) Type clip (6), the interior reflux coaxial sleeve of the water cooling is fixed on using annular flange dish (5) on flue wall surface (13), described to take Sample monitoring probe is horizontal positioned or is disposed vertically.
- The decontamination environment activity ion sampling monitoring probe 2. a kind of flue gas condensing according to claim 1 dehumidifies, feature It is：It is described it is multiple rows of take fluid through-hole be three rows, take fluid through-hole a diameter ofPitch of holes is Often row takes the fluid through-hole number to beIt is a；Three rows take the fluid through-hole line of centres, and face condensate liquid collects bottom portion of groove and cold respectively Lime set is collected at groove both sides connection tube wall；There are cracks between taking fluid through-hole and condensate liquid to collect the wall surface of groove (3), convenient Acquire condensate liquid.
- The decontamination environment activity ion sampling monitoring probe 3. a kind of flue gas condensing according to claim 1 dehumidifies, feature It is：The annular flange dish (5) is made of 180 ° of halfbody ring flanges (21) of two panels, with the reserved detection of local desulfurizing tower rear pass Flange port size is identical；It is coaxial that the interior reflux of sampling tubule fixed hole (22), water cooling is provided on 180 ° of halfbody ring flanges (21) Casing fixed hole (23), Back Word type sealing mating surface (24), fixing bolt (25) and flange bolt through-hole (26)；It is returned in water cooling It flows coaxial sleeve fixed hole (23) and 180 ° of halfbody ring flanges (21) is concentric, sampling tubule fixed hole (22) and sampling are thin Pipe (1) is concentric, and through-hole and pipe are clearance fit；Back Word type sealing mating surface (24) is parallel to annular flange dish by two (5) face and three form perpendicular to the face of annular flange dish (5), stepped, and intermediate vertical face is annular flange dish (5) The plane of symmetry；Fixing bolt (25) penetrates through annular flange dish (5), vertical with the vertical plane of Back Word type sealing mating surface (24), is located at Between annular flange dish (5) both sides, flange bolt through-hole (26) and sampling tubule fixed hole (22).
- The decontamination environment activity ion sampling monitoring probe 4. a kind of flue gas condensing according to claim 1 dehumidifies, feature It is：Reflux coaxial sleeve overall length is in the water coolingIt is buried on interior reflux coaxial sleeve outer tube (2) wall There is temperature thermocouple, the material of interior reflux coaxial sleeve outer tube (2) is acidproof using 2205,2507 or 316L, anti-chlorine ion is rotten The stainless steel of erosion or plastic steel.
- The decontamination environment activity ion sampling monitoring probe 5. a kind of flue gas condensing according to claim 1 dehumidifies, feature It is：The depth that the condensate liquid collects groove (3) isWidth isUsing finishing, it is conducive to Fixed sampling tubule (1) simultaneously effectively collects condensate liquid.
- The decontamination environment activity ion sampling monitoring probe 6. a kind of flue gas condensing according to claim 1 dehumidifies, feature It is：It is described sampling tubule (1) outer diameter beLength isThere is scale on sampling tubule (1) Size, can read sampling tubule (1) takes liquid level to set, to compare different location condensate liquid active ion ingredient and concentration difference It is different.
- The decontamination environment activity ion sampling monitoring system 7. a kind of flue gas condensing dehumidifies, it is characterised in that：Including claim 1 to 6 any one of them flue gas condensings dehumidifying decontamination environment activity ion sampling monitoring probe is thin with the sampling of sampling monitoring probe Pipe (1) is located at the NaOH solution tank NaOH (10) that one end is connected to by vacuum pump (9) except flue, and NaOH solution tank NaOH (10) is arranged in rotating box (11), acquire the NaOH solution tank NaOH (10) after condensate liquid with rotating box (11) rotate access ion chromatograph (12) survey activity from Subconstiuent and concentration, NaOH solution tank NaOH (10) rotation connection with space-time continue to collect condensate liquid to vacuum pump (9)；Further include and takes The interior reflux coaxial sleeve inner tube (4) of sample monitoring probe is located at the cooling unit of the circulating water outlet connection of one end except flue (7), the high temperature circulation machine (8) being connected to cooling unit (7), the interior coaxial sleeve housing that flows back of high temperature circulation machine (8) outlet Pipe (2) is located at the cycle water inlet except flue.
- The decontamination environment activity ion sampling monitoring system 8. a kind of flue gas condensing according to claim 7 dehumidifies, feature It is：The cooling unit (7) uses air-cooled, water cooling or refrigeration equipment；There are one water tank and temperature for high temperature circulation machine (8) band Unit is controlled, the water in water tank can be heated and maintain set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820393916.1U CN207964752U (en) | 2018-03-22 | 2018-03-22 | Flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820393916.1U CN207964752U (en) | 2018-03-22 | 2018-03-22 | Flue gas condensing dehumidifying decontamination environment activity ion sampling monitoring probe and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274240A (en) * | 2019-07-22 | 2019-09-24 | 北京图伟佳业科技发展有限公司 | A kind of distributed heat decomposition incinerator for treating domestic refuse |
| CN111289296A (en) * | 2020-03-02 | 2020-06-16 | 鹤壁市赛科化工有限公司 | Liquid sampler |
| CN108459134B (en) * | 2018-03-22 | 2024-03-12 | 西安交通大学 | Sampling monitoring probe, system and method for active ions in flue gas condensation, dehumidification and decontamination environment |
-
2018
- 2018-03-22 CN CN201820393916.1U patent/CN207964752U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459134B (en) * | 2018-03-22 | 2024-03-12 | 西安交通大学 | Sampling monitoring probe, system and method for active ions in flue gas condensation, dehumidification and decontamination environment |
| CN110274240A (en) * | 2019-07-22 | 2019-09-24 | 北京图伟佳业科技发展有限公司 | A kind of distributed heat decomposition incinerator for treating domestic refuse |
| CN111289296A (en) * | 2020-03-02 | 2020-06-16 | 鹤壁市赛科化工有限公司 | Liquid sampler |
| CN111289296B (en) * | 2020-03-02 | 2023-08-25 | 鹤壁市赛科化工有限公司 | Liquid sampler |
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