CN206945380U - A kind of coal-fired flue-gas Hg sample devices - Google Patents
A kind of coal-fired flue-gas Hg sample devices Download PDFInfo
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- CN206945380U CN206945380U CN201720749496.1U CN201720749496U CN206945380U CN 206945380 U CN206945380 U CN 206945380U CN 201720749496 U CN201720749496 U CN 201720749496U CN 206945380 U CN206945380 U CN 206945380U
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Abstract
The utility model discloses a kind of coal-fired flue-gas Hg sample devices, including sampling head, sampling gun, Pitot tube, sampling gun heater, humiture and pressure digital-display control device, particulate Hg collecting unit, bivalent mercury collecting unit and nonvalent mercury collecting unit, the front end of sampling gun sets sampling head and is fitted in jointly with Pitot tube on humiture and pressure digital-display control device, the outside of sampling gun sets sampling gun heater, particulate Hg collecting unit is set in sampling head, bivalent mercury collecting unit and nonvalent mercury collecting unit, which are equipped with, is controlled by humiture and the temperature control vasculum of pressure digital-display control device and Drexel bottle, temperature control vasculum is circumscribed with drier and aspiration pump.Its is simple and compact for structure, is easy to carry, and can effectively gather the mercury sample of three kinds of valence states, and the sampling time is short, and detection efficiency is high.
Description
Technical field
Analysis of Heavy Metal field of measuring technique is the utility model is related to, is set more particularly, to a kind of coal-fired flue-gas Hg samplings
It is standby.
Background technology
Mercury is hypertoxicity trace element, has volatility, cumulative bad and global transport property.Mercury can be entered by multiple channel
Environment, including natural process and human activity, artificial mercury emissions are mostly derived from fire coal, and coal is the main fuel energy of China,
The coal-fired flue-gas of coal fired power plant discharge turns into the primary discharge source of mercury, and resulting coal-fired mercury pollution is increasingly by the country
Concern.The monitoring technology and control for having controlled coal fired power plant mercury emissions manage, and could be successfully to realize that mercury emission reduction targets are provided with
The guarantee of power.China does not also put into effect relevant criterion specifically for mercury control, but Chinese Government attaches great importance to the weight such as mercury
The preventing and controlling of metallic pollution.At present, for the sampling analysis of gas mercury, typically flue gas is extracted by inserting the adsorption tube of flue
As the calculating parameter of discharge gas mercury concentration, however, the sampler of prior art is unable to the mercury sample of three kinds of valence states of precise acquisition
Product, also, sampling time length, detection efficiency are low, it has not been convenient to carry.
Utility model content
In view of the shortcomings of the prior art, technical problem to be solved is to provide a kind of coal-fired flue-gas Hg and adopted the utility model
Sample equipment, its is simple and compact for structure, is easy to carry, and can effectively gather the mercury sample of three kinds of valence states, and the sampling time is short, detection effect
Rate is high.
The utility model is to be addressed above-mentioned technical problem by the following technical programs.
A kind of coal-fired flue-gas Hg sample devices, including sampling head, sampling gun, Pitot tube, sampling gun heater, humiture
And pressure digital-display control device, particulate Hg collecting unit, bivalent mercury collecting unit and nonvalent mercury collecting unit, the front end of sampling gun
Sampling head is set and is fitted in jointly with Pitot tube on humiture and pressure digital-display control device, the outside of sampling gun sets sampling
Rifle heater, sets particulate Hg collecting unit in sampling head, bivalent mercury collecting unit and nonvalent mercury collecting unit be equipped with by
Control and be circumscribed with drier and pumping in humiture and the temperature control vasculum of pressure digital-display control device and Drexel bottle, temperature control vasculum
Pump.
Preferably, particulate Hg collecting unit is the metal filtering core being built in sampling head.
Preferably, the Drexel bottle of three configuration KCL solution is provided with the temperature control vasculum of bivalent mercury collecting unit.
Preferably, three to four Drexel bottles are provided with the temperature control vasculum of nonvalent mercury collecting unit, wherein, first is washed
Nitric acid and hydrogen peroxide solution are configured with gas cylinder, potassium permanganate and sulfuric acid solution are configured with remaining Drexel bottle.
Preferably, humiture and pressure digital-display control device monitoring sampling head constant speed collection flue gas and flying dust sample.
The beneficial effects of the utility model：
Constant speed is monitored by humiture and pressure digital-display control device and gathers flue gas and flying dust sample, is heated by sampling gun
Sampling gun and sampling head are heated to 120 DEG C by device, and metal filtering core is provided with sampling head and is used to collect flying dust sample, and in reality
Test particle mercury content in indoor measurement sample.Bivalent mercury collecting unit is made up of portable temperature control vasculum and three Drexel bottles,
Configuration KCL solution in Drexel bottle.Nonvalent mercury collecting unit is made up of temperature control vasculum and three to four Drexel bottles, temperature control vasculum
Temperature-controllable, first Drexel bottle be equipped with nitric acid and hydrogen peroxide solution, behind Drexel bottle potassium permanganate and sulfuric acid solution are housed.
Can Portable movable, sample collection and detect it is simple and convenient, be easy to control, can periodically carry out sample collection detection, effectively be directed to
The mercury sample of three kinds of valence states carries out sample detecting, and operating efficiency is high, and detection precision is high, and humiture and pressure digital display device are shown
Intuitively, it is easy-to-use.
Brief description of the drawings
It is intended to be easy to describe preferred embodiment in conjunction with the following drawings, does not form the limit to scope of protection of the utility model
System.
Fig. 1 is structural representation of the present utility model.
In figure：1- sampling heads, 2- sampling guns, 3- Pitot tubes, 4- sampling gun heaters, 5- humitures and pressure digital display control
Device processed, 6- aspiration pumps, 7- bivalent mercury collecting units, 8- nonvalent mercury collecting units, 9- temperature control vasculums, 10- Drexel bottles, 11-
Drier.
Embodiment
In order to facilitate the utility model is understood, below in conjunction with the accompanying drawings in the preferred embodiment pair of the present utility model that provides
The utility model is described in detail.
A kind of coal-fired flue-gas Hg sample devices of the utility model as shown in Figure 1, including sampling head 1, sampling gun 2, Pi Tuo
Pipe 3, sampling gun heater 4, humiture and pressure digital-display control device 5, particulate Hg collecting unit, bivalent mercury collecting unit 7
With nonvalent mercury collecting unit 8, the front end of sampling gun 2 sets sampling head 1 and is fitted in humiture and number pressure jointly with Pitot tube 3
On aobvious control device 5, humiture and pressure digital-display control device 5 include warm and humid sensor and digital display device etc., humiture and pressure
Power digital-display control device 5 monitors the constant speed of sampling head 1 collection flue gas and flying dust sample.The outside of sampling gun 2 sets sampling gun to heat
Device 4, sampling head 1 is interior to set particulate Hg collecting unit, and particulate Hg collecting unit can be the metal filter being built in sampling head 1
Core is used to collect flying dust sample, and the particle mercury content in determination sample in laboratory.Bivalent mercury collecting unit 7 and nonvalent mercury are adopted
Collection unit 8 is equipped with the temperature control vasculum 9 for being controlled by humiture and pressure digital-display control device 5 and Drexel bottle 10, temperature control collection
Case 9 is circumscribed with drier 11 and aspiration pump 6.As illustrated in the drawing in embodiment, the temperature control vasculum 9 of bivalent mercury collecting unit 7
Inside it is provided with the Drexel bottle 10 of three configuration KCL solution.Washed in the temperature control vasculum 9 of nonvalent mercury collecting unit 8 provided with three to four
Gas cylinder 10, it is three Drexel bottles 10 shown in figure, wherein, nitric acid and hydrogen peroxide solution are configured with first Drexel bottle 10, its
Potassium permanganate and sulfuric acid solution are configured with remaining Drexel bottle 10.The simple and compact equipment structure, the movement that is easy to carry are determined
Phase sample collection detection operation, operating efficiency is high, effectively can carry out sample detecting for the mercury sample of three kinds of valence states, detection is accurate
Degree is high, and digital display device intuitive display is easy-to-use.
Some technical terms are intended merely to facilitate description used in the utility model, do not form to the utility model
Limitation, the utility model is not limited to above-described preferable embodiment, based on those skilled in the art institute
The known technology or use that can be known are capable of the various modifications of equivalence replacement and the embodiment of change in the prior art,
It is every to be based on spirit or technical concept of the present utility model, it should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of coal-fired flue-gas Hg sample devices, it is characterized in that：Including sampling head (1), sampling gun (2), Pitot tube (3), sampling
Rifle heater (4), humiture and pressure digital-display control device (5), particulate Hg collecting unit, bivalent mercury collecting unit (7) and
Nonvalent mercury collecting unit (8), the front end of sampling gun (2) set sampling head (1) and with Pitot tube (3) be fitted in jointly humiture and
On pressure digital-display control device (5), the outside of sampling gun (2) sets sampling gun heater (4), the interior setting of sampling head (1)
Grain mercury collecting unit, bivalent mercury collecting unit (7) and nonvalent mercury collecting unit (8) are equipped with and are controlled by humiture and pressure digital display
The temperature control vasculum (9) of control device (5) and Drexel bottle (10), temperature control vasculum (9) are circumscribed with drier (11) and aspiration pump
(6)。
2. coal-fired flue-gas Hg sample devices according to claim 1, it is characterized in that：Particulate Hg collecting unit is adopted to be built in
Metal filtering core in sample head (1).
3. coal-fired flue-gas Hg sample devices according to claim 1, it is characterized in that：The temperature control of bivalent mercury collecting unit (7)
The Drexel bottle (10) of three configuration KCL solution is provided with vasculum (9).
4. coal-fired flue-gas Hg sample devices according to claim 1, it is characterized in that：The temperature control of nonvalent mercury collecting unit (8)
Three to four Drexel bottles (10) are provided with vasculum (9), wherein, it is configured with nitric acid in first Drexel bottle (10) and dioxygen is water-soluble
Liquid, potassium permanganate and sulfuric acid solution are configured with remaining Drexel bottle (10).
5. coal-fired flue-gas Hg sample devices according to claim 1, it is characterized in that：Humiture and pressure digital-display control device
(5) sampling head (1) constant speed collection flue gas and flying dust sample are monitored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749496.1U CN206945380U (en) | 2017-06-26 | 2017-06-26 | A kind of coal-fired flue-gas Hg sample devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749496.1U CN206945380U (en) | 2017-06-26 | 2017-06-26 | A kind of coal-fired flue-gas Hg sample devices |
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| Publication Number | Publication Date |
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| CN206945380U true CN206945380U (en) | 2018-01-30 |
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| CN201720749496.1U Active CN206945380U (en) | 2017-06-26 | 2017-06-26 | A kind of coal-fired flue-gas Hg sample devices |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088711A (en) * | 2018-02-07 | 2018-05-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Mercury sampling apparatus in a kind of coal steam-electric plant smoke |
| CN109253995A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of the mercury isotope test method and its device of natural gas |
| CN109975080A (en) * | 2019-03-11 | 2019-07-05 | 浙江菲达环保科技股份有限公司 | A kind of coal-fired flue-gas Hg, SO3Sample multi-functional sampling apparatus |
| CN110514485A (en) * | 2019-09-30 | 2019-11-29 | 福建省锅炉压力容器检验研究院 | A kind of stationary source mercury in flue gas sampling apparatus |
| CN111426526A (en) * | 2020-04-16 | 2020-07-17 | 南京理工大学 | Device and method for simultaneously sampling multiple-valence mercury in coal-fired flue gas |
| CN111458458A (en) * | 2020-04-16 | 2020-07-28 | 南京理工大学 | Coal-fired flue gas multivalent mercury total concentration measuring device |
-
2017
- 2017-06-26 CN CN201720749496.1U patent/CN206945380U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108088711A (en) * | 2018-02-07 | 2018-05-29 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Mercury sampling apparatus in a kind of coal steam-electric plant smoke |
| CN109253995A (en) * | 2018-10-31 | 2019-01-22 | 中国石油天然气股份有限公司 | A kind of the mercury isotope test method and its device of natural gas |
| CN109253995B (en) * | 2018-10-31 | 2021-06-01 | 中国石油天然气股份有限公司 | Mercury isotope testing method and device for natural gas |
| US11119084B2 (en) | 2018-10-31 | 2021-09-14 | Petrochina Company Limited | Methods and devices for detecting mercury isotopes in natural gas |
| CN109975080A (en) * | 2019-03-11 | 2019-07-05 | 浙江菲达环保科技股份有限公司 | A kind of coal-fired flue-gas Hg, SO3Sample multi-functional sampling apparatus |
| CN110514485A (en) * | 2019-09-30 | 2019-11-29 | 福建省锅炉压力容器检验研究院 | A kind of stationary source mercury in flue gas sampling apparatus |
| CN111426526A (en) * | 2020-04-16 | 2020-07-17 | 南京理工大学 | Device and method for simultaneously sampling multiple-valence mercury in coal-fired flue gas |
| CN111458458A (en) * | 2020-04-16 | 2020-07-28 | 南京理工大学 | Coal-fired flue gas multivalent mercury total concentration measuring device |
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