CN202928848U - Flue gas heavy metal particulate matter absorption system - Google Patents
Flue gas heavy metal particulate matter absorption system Download PDFInfo
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- CN202928848U CN202928848U CN 201220631717 CN201220631717U CN202928848U CN 202928848 U CN202928848 U CN 202928848U CN 201220631717 CN201220631717 CN 201220631717 CN 201220631717 U CN201220631717 U CN 201220631717U CN 202928848 U CN202928848 U CN 202928848U
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Abstract
The utility model discloses a flue gas heavy metal particulate matter absorption system, which comprises a processor, a sampling head, an absorption device, a absorption liquid adding pump and an absorption liquid discharge valve, wherein the processor generates an absorption liquid adding instruction and an absorption liquid discharge instruction at predetermined time intervals, and after receiving the absorption liquid adding instruction, the absorption liquid adding pump sucks in absorption liquid and transmits the absorption liquid to an absorption bottle; after receiving the absorption liquid adding instruction, the absorption liquid adding pump sucks in the absorption liquid and adding the absorption liquid to an absorption device, and after receiving the absorption liquid discharge instruction, the absorption liquid discharge valve is opened to discharge the absorption liquid in the absorption device; By adopting the flue gas heavy metal particulate matter absorption system disclosed by the scheme, a working person only needs to operate the processer, so that the absorption liquid can be added to the absorption device and the absorption liquid in the absorption device can be discharged, and thus the automation degree of replacing the absorption liquid is improved, and the absorption process of the heavy metal particulate matter is more simple and quick.
Description
Technical field
The utility model relates to the environment measuring field, particularly relates to a kind of flue gas heavy metal particle absorption system.
Background technology
Industrial smoke is the potpourri of gas and flue dust, is the main cause of polluting the residential block atmosphere, and the composition of flue gas is very complicated, and gas comprises SO
2, CO, CO
2Deng hydrocarbon, oxynitrides and heavy metal particles etc.Wherein, heavy metal refers to relative density at the metal more than 5, comprises copper, lead, zinc, tin etc.
For environment purification, industrial smoke is processed, need to know content and the kind of heavy metal particles thing in industrial smoke, therefore, the heavy metal that needs to collect in industrial smoke detects, thereby needs a kind of flue gas heavy metal particle absorption system.
In prior art, when the flue gas heavy metal particle was absorbed, the great majority of employing were the systems in Fig. 1, relied on the method realization of filter membrane enrichment to the collection of heavy metal particles thing.Heavy metal particles thing collection system in Fig. 1 comprises: flue gas transmission pipeline 101, filter membrane rotating shaft 102, filter membrane 103 and XRF (XRay Fluorescence, X-ray fluorescence spectra analysis) analyser 104.When the heavy metal particles thing is collected, under the dynamic action of sampling pump, contain the flue gas of heavy metal particles thing by described flue gas transmission pipeline 101 transmission, described filter membrane rotating shaft 102 is moved from left to right, moves thereby drive described filter membrane 3 thereupon.When flue gas passed through described filter membrane 103, diameter was blocked greater than the particle in filter membrane aperture, is attached on described filter membrane.After the single sampling period completes, described 104 filter membrane axles 102 rotate, make absorption have the filter membrane of large aperture particle partly to move to described XRF analysis device 104 places, analyzed by 104 pairs of described large aperture particles of described XRF analysis device, and then obtain the information such as kind of the heavy metal that contains in the particle of described large aperture.
But, the inventor finds in the application's research process, the heavy metal particles thing collection system of using in prior art adopts the mode of filter membrane enrichment to absorb heavy metal, carrying out along with absorption process, the content of the heavy metal particles thing that adheres on filter membrane increases gradually, the resistance that can cause gas to pass through filter membrane increases, the absorption precision that impact absorbs the heavy metal particles thing.Therefore, after one section absorption process, need to stop absorption operation, the filter membrane that more renews makes whole absorption process complex steps.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of flue gas heavy metal particle absorption system, when solving the heavy metal particles thing of prior art in absorbing flue gas, the problem that existing collecting effect is poor, accuracy of detection is low, specific embodiments is as follows:
A kind of flue gas heavy metal particle absorption system comprises: comprising: gather the sampling head of flue gas, described flue gas heavy metal particle absorption system also comprises:
Processor, described processor comprises: every the default time period, produce the first sub-processor that absorption liquid adds instruction and absorption liquid discharging instruction;
Comprise the absorption bottle that contains absorption liquid, receive the flue gas of described sampling head transmission, by described absorption liquid, absorb the absorption plant of the heavy metal particles thing in described flue gas;
After receiving described absorption liquid interpolation instruction, extract pre-stored absorption liquid, the absorption liquid that is added into absorption bottle adds pump;
Be connected with the bottom of described absorption bottle, after receiving described absorption liquid interpolation instruction, present closed condition, so that receiving described absorption liquid, described absorption bottle adds the absorption liquid that pump adds, after receiving described absorption liquid discharging instruction, present open mode, to discharge the absorption liquid bleed valve of the absorption liquid in described absorption bottle.
Preferably, described flue gas heavy metal particle absorption system also comprises:
Be connected with described absorption liquid bleed valve, after receiving described absorption liquid discharging instruction, present the constant volume bottle sampling valve of open mode;
Be connected with described constant volume bottle sampling valve, receive the absorption liquid of described absorption bottle discharging, and detect the liquid level of described absorption liquid, the volume fixing device that the absorption liquid that receives is carried out corresponding constant volume operation.
Preferably, described processor also comprises:
When the testing result according to described volume fixing device, when knowing described liquid level lower than preset value, produce beginning titration instruction, when described level value reaches described preset value, produce the second sub-processor that finishes the titration instruction;
Described volume fixing device comprises:
Be connected with described constant volume bottle sampling valve, receive the constant volume bottle of the absorption liquid of described absorption bottle discharging;
Be arranged on the bottle wall of described constant volume bottle, when the absorption liquid in described constant volume bottle reaches default liquid level, produce liquid level signal, and described liquid level signal is transferred to described the second sub-processor, so that described the second sub-processor learns that described level value reaches the liquid level detector of described preset value;
Be arranged on above described constant volume bottle, after receiving described beginning titration instruction, the pure water titration entered described constant volume bottle, and after receiving described end titration instruction, finish the titration pump of described titration operation.
Preferably, described processor also comprises:
After producing described end titration instruction, after the default time period, produce the 3rd sub-processor of discharging of waste liquid instruction.
Preferably, described flue gas heavy metal particle absorption system also comprises:
Be connected bottom described constant volume bottle, after receiving the described discharging of waste liquid instruction of described the 3rd sub-processor transmission, present open mode, with the constant volume bottle bleed valve of the absorption liquid in discharging constant volume bottle.
Preferably, described processor also comprises:
After producing described discharging of waste liquid instruction, through the default time period, produce the 4th sub-processor of absorption bottle clear instruction.
Preferably, described flue gas heavy metal particle absorption system also comprises:
Be connected with described absorption bottle, after receiving described absorption bottle clear instruction, extract pre-stored cleaning fluid, and the cleaning fluid that described cleaning fluid is added in absorption bottle adds pump.
Preferably, described flue gas heavy metal particle absorption system also comprises:
Be arranged between described absorption liquid bleed valve and constant volume bottle sampling valve, after receiving described absorption bottle clear instruction, extract pure air and described pure air is transferred to first in described absorption bottle and stir air pump.
Preferably, described flue gas heavy metal particle absorption system also comprises:
Be connected bottom described constant volume bottle, after receiving described absorption bottle clear instruction, extract pure air, and described pure air is transferred to the second stirring air pump of described absorption bottle.
Preferably, described flue gas heavy metal particle absorption system also comprises:
Be arranged between described constant volume bottle bleed valve and described heavy metal analyser, stir the 3rd stirring air pump that transfers to the absorption liquid of described heavy metal analyser from described constant volume bottle.
In the disclosed flue gas heavy metal particle of this programme absorption system, described processor produced absorption liquid and adds instruction and absorption liquid discharging instruction every the time period of presetting, and described absorption liquid adds pump after receiving described absorption liquid interpolation instruction, extract absorption liquid, and transfer in absorption bottle; After receiving described absorption liquid interpolation instruction, described absorption liquid adds pump extraction absorption liquid and is added in described absorption bottle, and after receiving absorption liquid discharging instruction, described absorption liquid bleed valve is opened, the absorption liquid in the discharging absorption plant.By the disclosed flue gas heavy metal particle of this programme absorption system, only need the staff by the operation to described processor, just can add, discharge the absorption liquid in absorption plant, improve the automaticity of changing absorption liquid, the absorption process of heavy metal particles thing is more simple and direct.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the disclosed a kind of flue gas heavy metal particle absorption system of prior art;
Fig. 2 is the structural representation of the disclosed a kind of flue gas heavy metal particle absorption system of the utility model embodiment;
Fig. 3 is the structural representation of disclosed another the flue gas heavy metal particle absorption system of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
In view of this, the purpose of this utility model is to provide a kind of flue gas heavy metal particle absorption system, when solving the heavy metal particles thing of prior art in absorbing flue gas, the problem that existing collecting effect is poor, accuracy of detection is low, specific embodiments is as follows:
The utility model discloses a kind of flue gas heavy metal particle absorption system, structural representation shown in Figure 2, described flue gas heavy metal particle absorption system comprises the sampling head that gathers flue gas, in addition, described flue gas heavy metal particle absorption system also comprises: processor (not shown in FIG.), absorption plant 1, absorption liquid add pump 2 and absorption liquid bleed valve 3, wherein
Described processor comprises the first sub-processor, and described the first sub-processor was used for every the default time period, produces absorption liquid and adds instruction and absorption liquid discharging instruction.In addition, can also produce the instruction and finish the sampling instruction of beginning to sample according to staff's operation, and with the described instruction and finish the sampling command to described sampling head of beginning to sample, to control beginning and the end of sampling operation.In described the first sub-processor, the operation that begins to sample according to staff's input, produce and begin accordingly the instruction of sampling, and, by described the first sub-processor, predeterminable a plurality of time periods of staff, so that described the first sub-processor produces other steering orders, for example, after described the first sub-processor produces absorption liquid interpolation instruction, after default very first time section, produce absorption liquid discharging instruction, after absorption liquid discharging instruction produced, described the first sub-processor produced absorption liquid and adds instruction, realizes the circulation of absorption liquid.Described processor adopts programmable logic controller (PLC) (Programmable Logic Controller, PLC) usually, certainly, also can adopt the processor of other kinds, and the utility model is not done restriction.
Described sampling head is connected with described processor, be used for receive described the first sub-processor transmission begin to sample after instruction, gather the flue gas of discharging, and after receiving described end sampling instruction, finish to gather the operation of flue gas.In addition, whether described sampling head executable operations, also can manually be controlled by the staff, and the utility model is not done restriction.
Described absorption plant 1 comprises the absorption bottle that contains absorption liquid, is used for receiving the flue gas of described sampling head transmission, and by described absorption liquid, absorbs the heavy metal particles thing in described flue gas.In order fully to absorb described heavy metal particles thing, described absorption bottle generally comprises the one-level absorption bottle at least, and the secondary absorption bottle that is connected with described one-level absorption bottle.After flue gas passes through described sampling head, at first enter described one-level absorption bottle, absorption liquid in described one-level absorption bottle and the heavy metal particles thing generation physisorption in flue gas and chemical digesting reaction, when smoke gas flow after the one-level absorption bottle, the secondary absorption bottle can be flowed into, thereby the heavy metal particles thing in flue gas can be well absorbed.When concrete the application, if when the heavy metal particles thing content in flue gas is more, can suitably increase the quantity of absorption bottle, for example, after the secondary absorption bottle, be arranged at three grades of absorption bottles or more that the secondary absorption bottle is connected.The bottleneck of described absorption bottle utilizes bottle stopper to stop up, and is provided with conduit at the bottle stopper place, is convenient to receive the flue gas of described sampling head transmission, or receives the materials such as absorption liquid of extraneous transmission.Simultaneously, in described absorption bottle bottom, be provided with one or more layers ceramic element, after described sampling head collects flue gas, when entering in described absorption bottle by air induction conduit, under the effect of ceramic element, flue gas can change into minute bubbles, increased the contact area with absorption liquid, thereby the heavy metal particles in the flue gas that enters absorption bottle can be absorbed greatly.Described absorption liquid is generally selected acid solution, can with flue gas in the generation physisorption of heavy metal particles thing and chemical digesting reaction, thereby can well absorb heavy metal particles thing in flue gas
Described absorption liquid adds pump 2 and is connected with described processor, is used for extracting pre-stored absorption liquid after the described absorption liquid that receives described the first sub-processor transmission adds instruction, is added in the absorption bottle in described absorption plant 1.Add between pump 2 and described absorption bottle at described absorption liquid, can also comprise sampling valve, for example, add between the pipeline that pump 2 is connected at one-level absorption bottle and described absorption liquid the one-level sampling valve is set, add between the pipeline that pump 2 is connected at secondary absorption bottle and described absorption liquid the secondary sampling valve is set, after receiving described absorption liquid interpolation instruction, described sampling valve is opened, and is convenient to described absorption liquid interpolation pump and transmits absorption liquid in described absorption bottle.
Described absorption liquid bleed valve 3 is connected with described processor, and be connected with the bottom of described absorption bottle, be used for after the described absorption liquid that receives described the first sub-processor transmission adds instruction, present closed condition, so that receiving described absorption liquid, described absorption bottle adds the absorption liquid that pump 2 adds, after receiving described absorption liquid discharging instruction, present open mode, to discharge the absorption liquid in described absorption bottle.Described absorption liquid bleed valve 3 can be corresponding with described absorption bottle, that is to say, when described absorption plant 1 comprises two absorption bottles, bottom one-level absorption bottle and secondary absorption bottle, an absorption liquid bleed valve 3 respectively is set, perhaps, the bottom of described a plurality of absorption bottles is connected by link, the place arranges an absorption liquid bleed valve 3 at described link.
Above-mentioned disclosed flue gas heavy metal particle absorption system, comprise that processor, sampling head, absorption plant, absorption liquid add pump and absorption liquid bleed valve, described processor can be every the default time period, produce respectively absorption liquid and add instruction and absorption liquid discharging instruction, described absorption liquid adds pump after receiving described absorption liquid interpolation instruction, extract absorption liquid, and transfer in described absorption bottle, so that described absorption bottle absorbs the heavy metal particles in flue gas.After receiving described absorption liquid interpolation instruction, described absorption liquid adds pump extraction absorption liquid and is added in absorption plant, and after receiving absorption liquid discharging instruction, described absorption liquid bleed valve is opened, with the discharging of the absorption liquid in absorption plant, complete the replacing to absorption liquid in absorption plant.By the disclosed flue gas heavy metal particle of this programme absorption system, only need the staff by the operation to described processor, just can add, discharge the absorption liquid in absorption plant, improve the automaticity of changing absorption liquid, more simple and direct to the absorption process of heavy metal particles thing.
In addition, referring to the disclosed structural representation of Fig. 3, the disclosed flue gas heavy metal particle of this programme absorption system also comprises: constant volume bottle sampling valve 4 and volume fixing device, wherein
Described constant volume bottle sampling valve 4 is connected with described absorption liquid bleed valve 3, after receiving described absorption liquid discharging instruction, presents open mode, so that the absorption liquid in described absorption plant 3 after the described absorption liquid bleed valve 3 of flowing through, flows in described volume fixing device;
Described volume fixing device is connected with described constant volume bottle sampling valve 4, is used for receiving the absorption liquid of described absorption bottle discharging, and detects the liquid level of described absorption liquid, and the absorption liquid that receives is carried out corresponding constant volume operation.
By described constant volume bottle sampling valve 4 and described volume fixing device are set, can receive the absorption liquid that described absorption plant 3 discharges after the flue gas of flowing through, and it is carried out constant volume, so that follow-up kind and concentration to the heavy metal particles thing detects.
In this case, described processor also comprises the second sub-processor, and described the second sub-processor is used for when the testing result according to described volume fixing device, when knowing described liquid level lower than preset value, produce beginning titration instruction, when described liquid level reaches described preset value, produce and finish the titration instruction.
When adding pump 2 and add absorption liquid in the described absorption bottle by described absorption liquid, in advance according to the setting to described the first sub-processor, can determine that described absorption liquid adds the capacity of the each absorption liquid that adds of pump, generally, detection for the ease of follow-up titration and heavy metal particles substrate concentration, the capacity of described uptake can be slightly less than a preset value, and this preset value is through after the constant volume operation, the capacity of absorption liquid in described volume fixing device.
Described volume fixing device comprises: constant volume bottle 51, liquid level detector (not shown in FIG.) and titration pump 52, wherein
Described constant volume bottle 51 is connected with described constant volume bottle sampling valve 4, is used for receiving the absorption liquid of described absorption bottle discharging;
Described liquid level detector is arranged on the bottle wall of described constant volume bottle 51, when the absorption liquid in described constant volume bottle 51 reaches default liquid level, described liquid level detector produces liquid level signal, and described liquid level signal is transferred to described the second sub-processor, so that described the second sub-processor learns that according to described liquid level signal described liquid level reaches described preset value;
Described titration pump 52 is arranged on the top of described constant volume bottle 51, is used for the pure water titration being entered described constant volume bottle, and after receiving described end titration instruction, finishing described titration operation after receiving described beginning titration instruction.
Specifically, after the absorption liquid in described absorption bottle transfers to described constant volume bottle 51, the liquid level of described constant volume bottle 51 interior absorption liquids does not reach preset value, in this case, described liquid level detector can not produce liquid level signal, described the second sub-processor produces beginning titration instruction, and described titration pump 52 begins to carry out titration operation.When titration proceeds to certain phase, the absorption liquid in described constant volume bottle 51 arrives default liquid level, after described liquid level detector detects, can produce liquid level signal, after described the second sub-processor receives described liquid level signal, produce and finish the titration instruction, and transfer to described titration pump 52.After receiving described end titration instruction, 52 of described titration pumps finish titration, thereby complete the constant volume operation.
By described volume fixing device, can obtain certain capacity, absorb the absorption liquid after the heavy metal particles thing, be convenient to follow-up kind to the heavy metal in flue gas particle and concentration and detect.
For the absorption liquid in described constant volume bottle 51 is detected, with kind and the concentration value of knowing the heavy metal in flue gas particle, after described volume fixing device is completed the constant volume operation, need the absorption liquid in described constant volume bottle is sent in heavy metal analyser to detect.The realization of this step can be carried out manual operations by the staff, and the absorption liquid in constant volume bottle 51 is sent in described heavy metal analyser.In addition, also can by processor after producing end titration instruction, through a default time period, produce the absorption liquid extraction instruction.In this case, the disclosed flue gas heavy metal particle of this programme absorption system also need dispose the absorption liquid draw-off pump, described absorption liquid draw-off pump is connected with described constant volume bottle 51 bottoms, after being used for receiving the absorption liquid extraction instruction of described the 3rd sub-processor transmission, extract the absorption liquid in described constant volume bottle 51, and transmit it to heavy metal analyser, so that described heavy metal analyser detects described absorption liquid, obtain kind and the concentration value of heavy metal in flue gas particle.
In addition, the disclosed processor of this programme also comprises: the 3rd sub-processor, described the 3rd sub-processor are used for through the default time period, producing the discharging of waste liquid instruction after producing end titration instruction.
In this case, described flue gas heavy metal particle absorption system also comprises: constant volume bottle bleed valve 6, wherein,
Described constant volume bottle bleed valve 6 is connected with described constant volume bottle 51 bottoms, after being used for receiving the discharging of waste liquid instruction of described the 3rd sub-processor transmission, present open mode, discharging the absorption liquid in described constant volume bottle 51, in order to carry out next time absorption operation to the heavy metal particles thing.
In addition, in the disclosed flue gas heavy metal particle of this programme absorption system, described processor also comprises: the 4th sub-processor, described the 4th sub-processor are used for after producing the discharging of waste liquid instruction, through the default time period, produce the absorption bottle clear instruction.
The disclosed flue gas heavy metal particle of this programme absorption system also comprises: cleaning fluid adds pump, described cleaning fluid adds pump and is connected with described absorption bottle, be used for after the described absorption bottle clear instruction that receives described the 4th sub-processor transmission, extract pre-stored cleaning fluid, and described cleaning fluid is added in absorption bottle.Generally, described cleaning fluid is selected pure water, and described pure water is extracted to described absorption bottle, can absorb impurity residual on described absorption bottle, realizes the cleaning to described absorption bottle.
in addition, in the disclosed flue gas heavy metal particle of this programme absorption system, also comprise: first stirs air pump, described first stirs air pump is arranged between described absorption liquid bleed valve 3 and constant volume bottle sampling valve 4, be used for after receiving described absorption bottle clear instruction, extract pure air, and the described pure air that will be drawn into transfers in described absorption bottle, so that the rolling of the cleaning fluid in described absorption bottle, thereby the tube wall attachment is dropped, dissolving, and the mixing velocity of acceleration particle and cleaning fluid, and guarantee that some not water-soluble particles do not precipitate in absorption bottle, guarantee the effect of cleaning.
Simultaneously, in order to make the raising cleaning performance, the disclosed described flue gas heavy metal particle of this programme goes absorption system also to comprise: second stirs air pump, described second stirs air pump is connected with described constant volume bottle 51 bottoms, be used for extracting pure air, and described pure air being transferred in described constant volume bottle 51 after receiving described absorption bottle clear instruction, make the cleaning fluid rolling, be conducive to absorb the impurity that is attached on 51 bottles of walls of constant volume bottle.In this case, require described absorption liquid bleed valve 4 and constant volume bottle sampling valve 5 after the absorption bottle clear instruction that receives described processor transmission, present open mode, thereby make described cleaning fluid after the described absorption bottle of flowing through, enter in described constant volume bottle 51, realize the cleaning to constant volume bottle 51.
Described first, second stirring air pump can be after the stirring instruction that receives the processor transmission, and the beginning executable operations also can be carried out the work that manual control stirs air pump according to actual needs by the staff.
In addition, stir air pump and second described first and stir between air pump, the blowback valve can also be set, when described first stirs air pump and the second stirring air pump transmission pure air, described blowback valve open, in other situations, described blowback valve closing.
Described first stirs air pump and second stirs air pump, two that can be the execution difference in functionality are independently stirred air pump, in addition, also can be for as shown in Figure 3, be an independent stirring air pump 7, described stirring air pump has two or more delivery outlets, and wherein the first delivery outlet is connected with constant volume bottle sampling valve 4 with described absorption liquid bleed valve 3, and the second delivery outlet is connected with the bottom of described constant volume bottle 51.
In addition, in this programme, described heavy metal particles thing absorption system can also comprise: the 3rd stirs air pump, the described the 3rd stirs air pump is arranged between described constant volume bottle bleed valve 6 and described heavy metal analyser, be used for extracting pure air, and described pure air is transferred in described constant volume bottle 51, so that the absorption liquid in described constant volume bottle 51 stirs, be convenient to follow-up detection.Wherein said pure air also can be pressurized air.The described the 3rd stirs air pump, can be after the stirring instruction that receives the processor transmission, and the beginning executable operations also can be carried out the work of manual control air pump according to actual needs by the staff.When being controlled the work of described the 3rd stirring air pump by described processor, the staff can be by described processor Preset Time section, so that described processor after producing absorption liquid interpolation instruction, the time period that the interval is default, produces the 3rd air pump stirring instruction.
In actual applications, described the first sub-processor, the second sub-processor, the 3rd sub-processor and the 4th sub-processor can be different module in a processor, also can be for carrying out the same module of several functions.
In addition, described absorption liquid adds pump 2 and described cleaning fluid and adds can be for two of being connected from the described absorption bottle different air pump of pump, also can be for carrying out the same interpolation pump of multi-mode operation, this interpolation pump comprises two pipelines, be connected with cleaning fluid splendid attire device with pre-stored absorption liquid splendid attire device respectively, after receiving absorption liquid interpolation instruction, described interpolation pump extracts absorption liquid, and described absorption liquid is transferred in absorption bottle; After receiving cleaning fluid interpolation instruction, described interpolation pump extracts cleaning fluid, and described cleaning fluid is transferred in absorption bottle.
The disclosed flue gas heavy metal particle of this programme absorption system, comprise that processor, sampling head, absorption plant, absorption liquid add pump and absorption liquid bleed valve, described processor can be every the default time period, produce respectively absorption liquid and add instruction and absorption liquid discharging instruction, described absorption liquid adds pump after receiving described absorption liquid interpolation instruction, extract absorption liquid, and transfer in described absorption bottle, so that described absorption bottle absorbs the heavy metal particles in flue gas.After receiving described absorption liquid interpolation instruction, described absorption liquid adds pump extraction absorption liquid and is added in absorption plant, and after receiving absorption liquid discharging instruction, described absorption liquid bleed valve is opened, with the discharging of the absorption liquid in absorption plant, complete the automatic replacing to absorption liquid in absorption plant.By the disclosed flue gas heavy metal particle of this programme absorption system, only need the staff by the operation to described processor, just can add, discharge the absorption liquid in absorption plant, improve the automaticity of changing absorption liquid, more simple and direct to the absorption process of heavy metal particles thing.
In addition, in this programme, also be provided with constant volume bottle sampling valve and volume fixing device, after heavy metal particles thing in described absorption plant absorption flue gas, automatically absorption liquid is carried out constant volume, to obtain the absorption liquid of certain capacity, be convenient to follow-up heavy metal analyser described absorption liquid is detected, improved the automaticity that the heavy metal in flue gas particle is detected, made whole testing process more efficient.
And, in the disclosed flue gas heavy metal particle of this programme absorption system, comprise that also cleaning fluid adds pump, so that after the absorption liquid in absorption bottle is emptying, extract cleaning fluid, as pure water, and described cleaning fluid is transferred in described absorption bottle, realize the automatic cleaning to absorption bottle, improved the accuracy of detection to the heavy metal particles thing.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a flue gas heavy metal particle absorption system, is characterized in that, comprising: gather the sampling head of flue gas, described flue gas heavy metal particle absorption system also comprises:
Processor, described processor comprises: every the default time period, produce the first sub-processor that absorption liquid adds instruction and absorption liquid discharging instruction;
Comprise the absorption bottle that contains absorption liquid, receive the flue gas of described sampling head transmission, by described absorption liquid, absorb the absorption plant of the heavy metal particles thing in described flue gas;
After receiving described absorption liquid interpolation instruction, extract pre-stored absorption liquid, the absorption liquid that is added into absorption bottle adds pump;
Be connected with the bottom of described absorption bottle, after receiving described absorption liquid interpolation instruction, present closed condition, so that receiving described absorption liquid, described absorption bottle adds the absorption liquid that pump adds, after receiving described absorption liquid discharging instruction, present open mode, to discharge the absorption liquid bleed valve of the absorption liquid in described absorption bottle.
2. system according to claim 1, is characterized in that, described flue gas heavy metal particle absorption system also comprises:
Be connected with described absorption liquid bleed valve, after receiving described absorption liquid discharging instruction, present the constant volume bottle sampling valve of open mode;
Be connected with described constant volume bottle sampling valve, receive the absorption liquid of described absorption bottle discharging, and detect the liquid level of described absorption liquid, the volume fixing device that the absorption liquid that receives is carried out corresponding constant volume operation.
3. system according to claim 2, is characterized in that, described processor also comprises:
When the testing result according to described volume fixing device, when knowing described liquid level lower than preset value, produce beginning titration instruction, when described liquid level reaches described preset value, produce the second sub-processor that finishes the titration instruction;
Described volume fixing device comprises:
Be connected with described constant volume bottle sampling valve, receive the constant volume bottle of the absorption liquid of described absorption bottle discharging;
Be arranged on the bottle wall of described constant volume bottle, when the absorption liquid in described constant volume bottle reaches default liquid level, produce liquid level signal, and described liquid level signal is transferred to described the second sub-processor, so that described the second sub-processor learns that according to described liquid level signal described liquid level reaches the liquid level detector of described preset value;
Be arranged on above described constant volume bottle, after receiving described beginning titration instruction, the pure water titration entered described constant volume bottle, and after receiving described end titration instruction, finish the titration pump of described titration operation.
4. system according to claim 3, is characterized in that, described processor also comprises:
After producing described end titration instruction, after the default time period, produce the 3rd sub-processor of discharging of waste liquid instruction.
5. system according to claim 4, is characterized in that, described flue gas heavy metal particle absorption system also comprises:
Be connected bottom described constant volume bottle, after receiving the described discharging of waste liquid instruction of described the 3rd sub-processor transmission, present open mode, with the constant volume bottle bleed valve of the absorption liquid in discharging constant volume bottle.
6. system according to claim 4, is characterized in that, described processor also comprises:
After producing described discharging of waste liquid instruction, through the default time period, produce the 4th sub-processor of absorption bottle clear instruction.
7. system according to claim 6, is characterized in that, described flue gas heavy metal particle absorption system also comprises:
Be connected with described absorption bottle, after receiving described absorption bottle clear instruction, extract pre-stored cleaning fluid, and the cleaning fluid that described cleaning fluid is added in absorption bottle adds pump.
8. system according to claim 6, is characterized in that, described flue gas heavy metal particle absorption system also comprises:
Be arranged between described absorption liquid bleed valve and constant volume bottle sampling valve, after receiving described absorption bottle clear instruction, extract pure air and described pure air is transferred to first in described absorption bottle and stir air pump.
9. system according to claim 6, is characterized in that, described flue gas heavy metal particle absorption system also comprises:
Be connected bottom described constant volume bottle, after receiving described absorption bottle clear instruction, extract pure air, and described pure air is transferred to the second stirring air pump of described absorption bottle.
10. system according to claim 5, is characterized in that, described flue gas heavy metal particle absorption system also comprises:
Be arranged between described constant volume bottle bleed valve and described heavy metal analyser, stir the 3rd stirring air pump that transfers to the absorption liquid of described heavy metal analyser from described constant volume bottle.
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| CN 201220631717 CN202928848U (en) | 2012-11-26 | 2012-11-26 | Flue gas heavy metal particulate matter absorption system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928261A (en) * | 2012-11-26 | 2013-02-13 | 力合科技（湖南）股份有限公司 | Fume heavy metal particle absorbing system |
| CN107422136A (en) * | 2016-03-30 | 2017-12-01 | 恩德莱斯和豪瑟尔分析仪表两合公司 | Method for operating automatic analyzer |
-
2012
- 2012-11-26 CN CN 201220631717 patent/CN202928848U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928261A (en) * | 2012-11-26 | 2013-02-13 | 力合科技（湖南）股份有限公司 | Fume heavy metal particle absorbing system |
| CN107422136A (en) * | 2016-03-30 | 2017-12-01 | 恩德莱斯和豪瑟尔分析仪表两合公司 | Method for operating automatic analyzer |
| US10591499B2 (en) | 2016-03-30 | 2020-03-17 | Endress+Hauser Conducta Gmbh+Co. Kg | Method for operating an automated analyzer |
| CN107422136B (en) * | 2016-03-30 | 2022-03-22 | 恩德莱斯和豪瑟尔分析仪表两合公司 | Method for operating an automatic analyzer |
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