CN209020394U - A kind of mercury collection device and the active coke regeneration device including it - Google Patents
A kind of mercury collection device and the active coke regeneration device including it Download PDFInfo
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- CN209020394U CN209020394U CN201820756249.9U CN201820756249U CN209020394U CN 209020394 U CN209020394 U CN 209020394U CN 201820756249 U CN201820756249 U CN 201820756249U CN 209020394 U CN209020394 U CN 209020394U
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Abstract
The utility model belongs to environmental technology field, and in particular to a kind of mercury collection device.Mercury collection device provided by the utility model, by using functional element of the activated carbon fiber for having loaded sulfate and silver as absorbent assembly initiatively, selective absorption can be carried out to the mercuryvapour in gas, adsorption process cleaning green, the secondary pollutions such as no exhaust gas, waste water generate, absorbing material regenerative process is simple, does not generate secondary pollution.Mercury collection device provided by the utility model, the mercury vapour capableing of in the absorption gas to be processed of selectivity, through this mercury collection device treated activated coke regeneration gas, the subsequent processing to other substances in gas is not influenced, can be used in combination with multiple gases treatment process.Mercury collection device provided by the utility model is especially suitable for the recycling of mercury in activated coke regeneration gas.
Description
Technical field
The utility model belongs to environmental technology field, and in particular to a kind of mercury collection device and the activated coke regeneration including it
Device.
Background technique
Activated coke is a kind of novel charcoal material produced using coal as raw material, can be by the SO in flue gas2And NOXAbsorption
Desulphurization denitration is realized in removing.It is current since the technology has many advantages, such as that non-wastewater discharge, adsorbent (activated coke) are renewable
Widely applied desulphurization denitration technology.Activated coke regeneration refers to the activated coke desorption after completing desulphurization denitration and restores adsorption activity
Process.
For the SO in activated coke regeneration stripping gas2Removing sulfuldioxide is more mature at present, and still, coal-fired flue-gas ingredient is multiple
It is miscellaneous, remove SO2And NOXOutside also containing polluters such as mercury.When carrying out activated coke regeneration, the mercury being adsorbed becomes mercuryvapour, with again
Raw stripping gas leaves activated coke.However in the prior art there is no to this part mercuryvapour carry out independent recycling, but with again
Other components are handled together in raw stripping gas, generate sulfuric acid etc.；Or it is adsorbed rear buried or pickling processes again.Such as China is specially
Sharp document CN104014231B, the technology will be adsorbed again the mercury in activated coke regeneration stripping gas using activated coke, so
It carries out the activated coke of adsorption saturation to concentrate landfill disposal afterwards or pickling regeneration is carried out to activated coke.But this will necessarily make
At mercury secondary pollution, the operation of pickling regeneration activity coke can also bring a large amount of new pollutions.
To sum up, it is still that those skilled in the art are urgently to be resolved that the mercury released when how to regenerate activated coke, which effectively recycles,
Problem.
Utility model content
Utility model aims to solve mercury irretrievable defects when regenerating in the prior art to activated coke, in turn
A kind of device that can effectively recycle mercury in reducibility gas is provided.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
A kind of mercury collection device, including,
Gas collection chamber is equipped with gas access；
Absorbent assembly is located in the gas collection room, and the absorbent assembly has sulfate with load and can be molten by mercury
The activated carbon fiber of the metal of solution；
Gas vent.
The absorbent assembly also has PTFE film layer.
The absorbent assembly is absorption mesh or baffle.
The baffle is made of substrate and absorbed layer, and the absorbed layer is the activated carbon fiber.
The substrate is at least two layers, and the absorbed layer is set between adjacent two substrates.
The absorbent assembly be it is multiple, multiple absorbent assemblies perpendicular to horizontal direction parallel be arranged.
Absorption chamber is provided in the gas collection room, the absorption chamber is connected to the gas collection chamber, institute
Gas vent is stated to be connected to the absorption chamber.
The absorbent assembly is set at least one inner wall of the absorption chamber.
The absorbent assembly is at least one inner wall of absorption chamber.
The venthole being connected to the gas collection chamber is offered on the absorption chamber side wall.
The gas vent is connected with mercury detection device.
A kind of active coke regeneration device, including activated coke supply unit, activated coke regenerator further include that the mercury is collected
Device, the gas access of the mercury collection device are connected with the outlet of the regeneration stripping gas of the activated coke regenerator.
Technical solution provided by the utility model has the advantages that
1. mercury collection device provided by the utility model, by initiatively using the activated carbon for having loaded sulfate and silver
Functional element of the fiber as absorbent assembly can carry out selective absorption, adsorption process cleaning to the mercuryvapour in gas
Green, the secondary pollutions such as no exhaust gas, waste water generate, and absorbing material regenerative process is simple, does not generate secondary pollution.This is practical new
Mercury collection device provided by type, the mercury vapour capableing of in the absorption gas to be processed of selectivity, is handled through this mercury collection device
Activated coke regeneration gas afterwards does not influence the subsequent processing to other substances in gas, and can combine with multiple gases treatment process makes
With.Mercury collection device provided by the utility model is especially suitable for the recycling of mercury in activated coke regeneration gas.
2. mercury collection device provided by the utility model can carry out different absorbed layers according to actual requirement of engineering and set
Meter, it can the absorption inner cavity of package mercury absorbing material is selected, and baffle disposed in parallel layer by layer can be selected, the two design
Apparatus module can be achieved, be convenient for changing absorbed layer, and be respectively provided with treatment effeciency height and absorb more thorough advantage.
By the way that air-permeable, hydrophobic layer is arranged on absorbent assembly, it can further promote the selective absorbing of mercury, cooperate preferred regeneration gas
Reaction temperature, mercury concentration is down to 1 μ g/m in the regeneration gas that can make that treated3。
Detailed description of the invention
It, below will be to specific embodiment party in order to illustrate more clearly of the technical solution in specific embodiment of the present invention
Attached drawing needed in formula description is briefly described, it should be apparent that, the accompanying drawings in the following description is the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the mercury collection device structural profile illustration in embodiment；
Fig. 2 is the inner cavity schematic diagram in embodiment；
Fig. 3 is the absorbent assembly structural schematic diagram in embodiment.
The reference numerals are as follows in above-mentioned attached drawing:
1- mercury collection device, the inner cavity 2-, 3- activated carbon fiber, 4-PTFE film, the gas access 11-, 21- gas go out
Mouthful.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.In addition, the utility model disclosed below
Technical characteristic involved in different embodiments can be combined with each other as long as they do not conflict with each other.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "inner"
To be based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is the limitation to utility model.
The utility model provides a kind of mercury collection device, and structure is in detail as shown in Figure 1.It will be noted from fig. 1 that the receipts
Acquisition means have inner cavity, and the inner cavity is gas collection chamber, gas access are provided in gas collection chamber, for being passed through wait locate
Process gases, be passed through in the present embodiment be ammonia regeneration method activated coke regeneration gas.It, can for the setting position of the gas access
To be configured according to Practical Project demand, both can be set in the top of recyclable device it is also contemplated that being arranged in its side wall
On.In addition, being additionally provided with gas vent on recyclable device.For the ease of gas circulation or accelerate its circulation, preferably gas
Body outlet port connects negative pressure device.
It is provided with absorbent assembly in gas collection room, the setting of the absorbent assembly can be used for absorbing activated coke regeneration
Gas, in the present embodiment, the absorbent assembly are absorption mesh or baffle.
Wherein, for the setting of absorption mesh, from material angle, selection has loaded sodium sulphate and the gold suitable for being dissolved in mercury
Belong to, such as activated carbon fiber of gold, silver, potassium, sodium, in present embodiment, using the activity for first loading sodium sulphate back loading silver
Carbon fiber.From structural point, absorption mesh can be directly used activated carbon fibre and be made, and can also use sandwich structure, will bear
Activated carbon fiber after load is sandwiched between two gas-permeable nets or ventilated membrane.From the point of view of position is set, it can be set in the gas
It on the inner wall of collecting chamber, can also be set in gas collection room with multiple member parallels, the surrounding of the component can be with gas
The inner wall of collecting chamber is tightly connected, to guide gas to pass through the absorbent assembly；The surrounding of the component can not also be with gas
The inner wall of collecting chamber is tightly connected, and guides gas in gas collection circulating inside.
Setting to baffle can be made of from structural point substrate and absorbed layer, the material of the absorbed layer and institute
The activated carbon fiber after load of the same race can be selected by stating absorption mesh.The substrate can for one or more, when select two layers or with
When upper substrate, the absorbed layer is sandwiched between two substrates as vertical plate, as preferred embodiment, on the vertical plate
It is provided with venthole.
As a kind of preferred embodiment of the present embodiment, it is additionally provided with absorption chamber in the gas collection room, it is described
Absorption chamber is connected with gas collection chamber, and several absorbent assemblies are additionally provided in the absorption chamber, the absorbent assembly
It, can also be directly as the inner wall of absorption chamber to be arranged on the inner wall of the absorption chamber.As an implementation, may be used
The absorption chamber is designed as to the cylindric inner cavity with cribriporal, selects absorption mesh as absorbent assembly, and be close to
It is covered in except cylindric inner cavity.The absorption chamber has gas vent, and treated activated coke regeneration gas is gone out by gas
Mouth leaves gas collection chamber.
It is highly preferred that one layer of PTFE film can be covered again outside the absorption mesh.
Mercury collection device described in the utility model at work, firstly, 50~70 DEG C containing mercury activated coke regeneration
Gas is entered by the gas access in gas collection chamber, is then contacted with the absorbent assembly being arranged in gas collection room, and mercury steams
Absorption, dissolution occur for the metal loaded on gas and activated carbon fiber.When being provided with absorption chamber in gas collection room, in negative pressure
Regeneration gas passes through the mercury absorbing material being coated on outside inner cavity under the action of device, then by the venthole in absorption chamber cavity wall
Into inner cavity, mercury collection device is finally left by gas vent.When through the activated carbon fiber of overload sulfate and metal,
Mercury in flue gas reacts with metal, and is deposited in activated carbon fiber, when monitoring personnel detects dress by the mercury of gas vent
It sets and detects that mercury concentration is higher than 6 μ g/m3When, the collection efficiency to guarantee mercury, the mercury replaced are replaced to absorbent assembly
Absorbent assembly is i.e. renewable by heating.When the absorbent assembly also has air-permeable, hydrophobic layer, a water can also be set
Collection device.
When applying mercury collection device provided by the utility model in activated coke regeneration technology, the gas of mercury collection device
Body entrance is connected with the outlet of the regeneration stripping gas of activated coke regenerator.
Experimental example 1
Use above-mentioned preferred mercury collection device respectively to mercury concentration for 70 μ g/m3With 50 μ g/m3Activated coke regeneration gas into
Row processing, the temperature of regeneration gas are 55 DEG C, and select the activated carbon fiber for only having loaded silver as control, and to treated again
Mercury content is detected in anger, and result is as follows:
Experimental example 2
Use above-mentioned preferred mercury collection device respectively to mercury concentration for 70 μ g/m3With 50 μ g/m3Activated coke regeneration gas into
Row processing, the temperature of regeneration gas are 40 DEG C, and select the activated carbon fiber for only having loaded silver as control, and to treated again
Mercury content is detected in anger, and result is as follows:
Experimental example 3
Use above-mentioned preferred mercury collection device respectively to mercury concentration for 70 μ g/m3With 50 μ g/m3Activated coke regeneration gas into
Row processing, the temperature of regeneration gas are 80 DEG C, and select the activated carbon fiber for only having loaded silver as control, and to treated again
Mercury content is detected in anger, and result is as follows:
Experimental example 4
Using above-mentioned preferred mercury collection device, but the activated carbon fibre for first loading silver-colored back loading sodium sulphate is selected, point
Other is 70 μ g/m to mercury concentration3With 50 μ g/m3Activated coke regeneration gas handled, the temperature of regeneration gas is 60 DEG C, and is selected only
It has loaded the activated carbon fiber of silver to detect as control, and to mercury content in treated regeneration gas, result is as follows:
In above-listed each table, the absorbing material is supported active carbon fiber, and the specific material of load is listed in table.It can be with
Find out, the mercuryvapour in activated coke regeneration gas can be preferably absorbed using mercury collection device provided by the utility model.In addition,
After handling using mercury recyclable device provided by the utility model activated coke regeneration gas, charcoal ablation is hardly happened.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among still in the protection scope of the utility model.
Claims (12)
1. a kind of mercury collection device, which is characterized in that including,
Gas collection chamber is equipped with gas access；
Absorbent assembly is located in the gas collection room, and the absorbent assembly has sulfate with load and can be by mercury dissolution
The activated carbon fiber of metal；
Gas vent.
2. mercury collection device according to claim 1, which is characterized in that the absorbent assembly also has PTFE film layer.
3. mercury collection device according to claim 1, which is characterized in that the absorbent assembly is absorption mesh or baffle.
4. mercury collection device according to claim 3, which is characterized in that the baffle is made of substrate and absorbed layer,
The absorbed layer is the activated carbon fiber.
5. mercury collection device according to claim 4, which is characterized in that the substrate is at least two layers, the absorbed layer
It is set between adjacent two substrates.
6. mercury collection device according to claim 1, which is characterized in that the absorbent assembly is multiple, multiple absorption groups
Part is arranged perpendicular to horizontal direction parallel.
7. mercury collection device according to claim 1, which is characterized in that be provided with absorbing cavity in the gas collection room
Room, the absorption chamber are connected to the gas collection chamber, and the gas vent is connected to the absorption chamber.
8. mercury collection device according to claim 7, which is characterized in that the absorbent assembly is set to the absorption chamber
At least one inner wall on.
9. mercury collection device according to claim 7, which is characterized in that the absorbent assembly is at least the one of absorption chamber
A inner wall.
10. mercury collection device according to claim 7, which is characterized in that offered on the absorption chamber side wall with
The venthole of gas collection chamber's connection.
11. mercury collection device according to claim 1, which is characterized in that the gas vent is connected with mercury detection device.
12. a kind of active coke regeneration device, including activated coke supply unit, activated coke regenerator, which is characterized in that further include power
Benefit requires the described in any item mercury collection devices of 1-11, the gas access of the mercury collection device and the activated coke regenerator
Stripping gas outlet is regenerated to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756249.9U CN209020394U (en) | 2018-05-21 | 2018-05-21 | A kind of mercury collection device and the active coke regeneration device including it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756249.9U CN209020394U (en) | 2018-05-21 | 2018-05-21 | A kind of mercury collection device and the active coke regeneration device including it |
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| CN209020394U true CN209020394U (en) | 2019-06-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508266A (en) * | 2018-05-21 | 2019-11-29 | 中国华电科工集团有限公司 | A kind of mercury collection device |
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2018
- 2018-05-21 CN CN201820756249.9U patent/CN209020394U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508266A (en) * | 2018-05-21 | 2019-11-29 | 中国华电科工集团有限公司 | A kind of mercury collection device |
| CN110508266B (en) * | 2018-05-21 | 2023-11-07 | 中国华电科工集团有限公司 | Mercury collection device |
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