A kind of activated carbon fiber electro-thermal regeneration unit
Technical field
The utility model relates to field of gas purification to be applicable in more particularly to a kind of activated carbon fiber electro-thermal regeneration unit
In industrial VOCs waste gas purification and recycling, VOCs and the purification of other toxic and harmful gas in room air are applied also for.
Background technique
Activated carbon fiber (ACF) is the high-efficiency activated adsorbent material of a new generation and environment-friendly function material, is the update of active carbon
Regeneration product.Adsorbent equipment can be made to minimize using activated carbon fiber, adsorption layer is thin layer, and absorption leakage loss is small, high-efficient, energy conservation
Economy can complete the work that granular activated carbon cannot achieve, and be that other types of activated carbon fiber is incomparable and property
Active adsorbing material and environment-friendly engineering material that can be transcendent.Activated carbon fiber is fine with natural fiber or artificial organic chemistry
Dimension is made by carbonization, and main ingredient is made of carbon atom.The shape that carbon atom is mainly folded with similar graphite microcrystal piece, newborn layer heap
Formula exists.Another noticeable structure of ACF is with flourishing specific surface area, micropore diameter abundant.General activated carbon fiber
(ACF) specific surface area is up to 1000~1600m2/ g, micro pore volume are up to 90%, and micropore size is 10~40A.
But activated carbon fiber can only temporarily adsorb pollutant, since there are adsorption saturation states for adsorbent, reach saturation
The adsorbent of state no longer adsorbs pollutant.Activated carbon fiber regeneration refers to either physically or chemically not destroying active carbon
Or under the premise of activated carbon fiber original structure, the adsorbate being adsorbed on active carbon or activated carbon fiber is removed, it is extensive
Its multiple absorption property, to achieve the purpose that reuse.According to existing technology, regeneration is typically all preferred high at present
The advantages of temperature heating method of reproduction, high-temperature heating method of reproduction, is that it can decompose many kinds of substance in regenerative process, and regenerative environ-ment is good
It is good, to become main regeneration method.Also in two kinds of situation, one kind is directly using hot to the high-temperature heating method of reproduction of mainstream at present
Air desorption, energy consumption is high, requires device structure also high;Another kind is directly to regard activated carbon fiber itself as thermal resistance,
It is powered so that activated carbon fiber self-heating realizes desorption.
In activated carbon fiber electro-thermal regeneration, it is attached in bed end face that direct-electrifying usually requires activated carbon fiber fever
It is powered on pole.But activated carbon fiber is flexible material, easily-deformable, there are contact resistances between electrode and activated carbon fiber, and live
Property carbon fiber end face can not it is substantially flat, electrode can not be completely attached to activated carbon fiber end face, cause localized contact resistance
It is excessive.
And another feasible mode is to pass through surface treatment (such as evaporation deposition method, thermal spraying in activated carbon fiber end face
The modes such as method, electroless plating method or ion plating method) attachment certain thickness metal coating, and then form electrode.But in active carbon fiber
Tie up end face formed metal coating cost it is extremely high, not only technique is extremely complex, need specific professional equipment (such as PVD equipment,
CVD equipment), and cost is very high.So the production capacity of regeneration activity carbon fiber is seriously limited using the above method, and by
Application field and direction are also seriously limited in high costs.
Utility model content
The purpose of this utility model is to propose a kind of activated carbon fiber electro-thermal regeneration unit, passes through simple structure and work
Skill improves the regeneration production capacity of activated carbon fiber, reduces the regeneration cost of activated carbon fiber, to expand the application neck of activated carbon fiber
Domain.
To achieve the above object, the utility model provides a kind of activated carbon fiber electro-thermal regeneration unit, including by activity
Carbon cloth is laminated the activated carbon fiber bed to be formed and is arranged on a pair of of side end face of the activated carbon fiber bed
Electrode mechanism further includes the enclosure body being arranged on the outside of activated carbon fiber bed and is arranged in the activated carbon fiber bed
Interior temperature sensor, the electrode mechanism include existing coated in the conducting resinl area on the activated carbon fiber cloth end, setting
The conductive metal body that is arranged on conducting resinl area surface and it is connected in the conducting resinl area or with the conductive metal body
Electrode draw connector, the conducting resinl area be in activated carbon fiber cloth end coated conducting resinl curing molding, it is described to go along with sb. to guard him machine
Structure includes side board and the flase floor that is arranged on the side board top and bottom.
Preferably, the activated carbon fiber cloth is braiding or non-woven acf layer.
Preferably, the material of the conductive metal body is copper, silver, lead, gold, tin, cadmium, nickel, iron, platinum simple substance or its conjunction
One of gold.
Preferably, the form of the conductive metal body is metal foil, metal bar, wire or metal block.
Preferably, the conducting resinl area is impregnated by conducting resinl forms, and the conducting resinl is at least silver base conductive glue, auri is led
Electric glue, copper-based conducting resinl or graphite based conducting glue.
Preferably, the volume resistivity in the conducting resinl area is less than 10-2Ω cm, the high temperature resistant temperature in the conducting resinl area
Greater than 100 DEG C.
Preferably, the material of the enclosure body is resin and plastic of the heat distortion temperature at 150 DEG C or more.
Preferably, the temperature sensor is thermal resistance or thermocouple.
Preferably, at least two activated carbon fiber beds, adjacent activated carbon fiber bed are equipped in the enclosure body
Between be equipped with flase floor.
Preferably, when the conducting resinl is graphite based conducting glue, the conducting resinl area is formed using baking and curing, drying
Temperature is 60~100 DEG C, and drying time is 30~150min.
Preferably, the width in the conducting resinl area is 0.5~2cm.
Preferably, the two sides of each floor activated carbon fiber cloth end of stacking is coated with the conducting resinl area, metal foil
The conductive metal body cladding of form is pressed together on conducting resinl area outer side surface.
Preferably, the two sides of each floor activated carbon fiber cloth end of stacking is coated with the conducting resinl area, and adjacent two
The conductive metal body for being bonded with metal foil form is filled between layer activated carbon fiber cloth.
Preferably, the conductive metal of metal foil form is bonded on the outer surface of the activated carbon fiber cloth end
Body.
Preferably, the two sides of each floor activated carbon fiber cloth end of stacking is coated with the conducting resinl area, the work
Property carbon cloth in interval be bonded with the conductive metal body of metal foil form.
Preferably, the two sides of each floor activated carbon fiber cloth end of stacking is coated with the conducting resinl area, the work
The conductive metal body of metal foil form is bonded on the outer surface of property carbon cloth end.
Preferably, the two sides of each floor activated carbon fiber cloth end of stacking is coated with the conducting resinl area, described to lead
Electric metal body is embedded in inside the conducting resinl area.
Preferably, pass through between the activated carbon fiber bed and enclosure body and between electrode mechanism and enclosure body
704 glue are sealed.
Based on the above-mentioned technical proposal, the utility model has the advantages that:
The activated carbon fiber electro-thermal regeneration unit of the utility model eliminates the contact resistance between electrode and bed end face,
When high current passes through electrode, electrode heat production is extremely low, long service life;And it ensure that activated carbon fiber bed face material and electricity
Pole completely attaches to, and electric current contacts one end by fabric itself and electrode and flows directly into the other end, avoids conducting production between layers
Hot-spot phenomenon at raw contact point, so that temperature is evenly distributed on entire bed, temperature gradient is smaller.Inside bed
Homogeneous current distribution, synchronous consistent heat generation inside and outside bed, organic matter desorption is clean thorough, is desorbed high-efficient, and favorable regeneration effect makes
Good absorption property can be kept for a long time by obtaining active-carbon fibre material.
The utility model is drawn connector (such as plain conductor, hard contact) by electrode and is connect with conductive metal body, keeps away
Exempt from activated carbon fiber and metal electrode is directly connected to insecure situation, increases the firmness and reliability of electrode application.
Meanwhile being formed between conductive metal body and activated carbon fiber by conducting resinl and uniformly being connected, it avoids traditional approach and needs to work
Property carbon fiber carry out metalized the step of, reduce technology difficulty, reduce the regeneration cost of activated carbon fiber, greatly
Enrich the application field of activated carbon fiber.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the improper of the utility model
It limits.In the accompanying drawings:
Fig. 1 is activated carbon fiber bed schematic top plan view;
Fig. 2 is activated carbon fiber bed schematic side view;
Fig. 3 enclosure body schematic diagram;
Fig. 4 is activated carbon fiber electro-thermal regeneration unit electrical property figure;
Fig. 5 is activated carbon fiber electro-thermal regeneration cell temperature measuring point distribution map;
Fig. 6 is activated carbon fiber electro-thermal regeneration cell temperature measuring point distribution map;
Fig. 7 is activated carbon fiber electro-thermal regeneration units age performance map.
Specific embodiment
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Embodiment 1
The utility model provides a kind of activated carbon fiber electro-thermal regeneration unit and is shown as shown in FIG. 1 to FIG. 7
A kind of preferred embodiments of the utility model.The utility model improves activated carbon fiber by simple structure and technique
Regeneration production capacity, the regeneration cost of activated carbon fiber is reduced, to expand the application field of activated carbon fiber.
As shown in Figure 1, Figure 2, Figure 3 shows, the activated carbon fiber electro-thermal regeneration unit includes that shape is laminated by activated carbon fiber cloth 2
At activated carbon fiber bed and the electrode mechanism that is arranged on a pair of of side end face of the activated carbon fiber bed, further include
The temperature sensor that enclosure body on the outside of activated carbon fiber bed is set and is arranged in the activated carbon fiber bed
5, the electrode mechanism includes the conducting resinl area 1 being coated on 2 end of activated carbon fiber cloth, is arranged in the conducting resinl area
The 1 interior or conductive metal body 4 being arranged on 1 surface of conducting resinl area and the electrode being connected with the conductive metal body 4 draw
Connector 3 out, the conducting resinl area 1 are in 2 end coated conducting resinl curing molding of activated carbon fiber cloth, and the enclosure body includes
Side board 6 and the flase floor 7 being arranged on 6 top and bottom of side board.
Preferably, the activated carbon fiber cloth 2 is braiding or non-woven acf layer.Since electrode mechanism is arranged
In carbon fiber bed end, carbon fiber bed is formed using the stacking of activated carbon fiber cloth 2, it requires that carbon fiber needs are woven into
Layer structure, such as common activated carbon eyelet fabric.The non-woven form such as activated carbon fiber cloth 2 or activated carbon-fiber felt, equally
It is that layer structure is suitable for making electrode in non-laminated wheat flour.
The conductive metal body 4 is common conductive material.Preferably, the material of the conductive metal body 4 be copper,
One of silver, lead, gold, tin, cadmium, nickel, iron, platinum simple substance or its alloy.Preferably, the form of the conductive metal body 4
For metal foil, metal bar, wire or metal block.Since activated carbon fiber bed is multilayered structure, can be made using metal foil
Activated carbon fiber bed end it is approximate with the height at middle part, farthest reduce end with centre difference in height, be conducive to
The Standard of the fiber filter of activated carbon in use.And the conductive metal of metal bar, wire or metal block form
Body 4 is then capable of increasing the binding force between conductive metal body 4 and conducting resinl area 1, so that electrode mechanism is more secured.
Further, the conducting resinl area 1 is formed by conductive glue, and the conducting resinl is at least silver base conductive glue, auri
Conducting resinl, copper-based conducting resinl or graphite based conducting glue.
Preferably due to which electrode mechanism will meet the fever requirement of high current, the volume resistivity in the conducting resinl area 1 is small
In 10-2Ω·cm.Simultaneously as activated carbon fiber electro-thermal regeneration unit needs to carry out desorption by heating, to guarantee electrode mechanism just
The high temperature resistant temperature of often work, the conducting resinl area 1 is greater than 100 DEG C.Preferably, the width in the conducting resinl area 1 be 0.5~
2cm can either guarantee the binding force between conducting resinl area 1 and conductive metal body 4, and enable to contact resistance in preferable model
It encloses, while also making the damage control of activated carbon fiber bed in lesser range.
The conducting resinl is a kind of adhesive solidified or have certain electric conductivity after dry.Conducting resinl be it is a kind of solidification or
With the adhesive of certain electric conductivity after drying, it is usually mainly to form with matrix resin and conductive filler, that is, conducting particles
Ingredient is combined together conducting particles by the bonding effect of matrix resin, forms conductive path, and leading for material is glued in realization
Electrical connection.Since contacting with each other between conducting particles to form conductive path, keep conducting resinl conductive, it is interparticle in glue-line
Steady contact is as caused by conductive adhesive curing or drying.
For conducting resinl before solidification or drying, conducting particles is existing for separation, not connect continuously each other in adhesive
Touching, thus it is in state of insulation.After conductive adhesive curing or drying, gluing is caused due to the volatilization of solvent and the solidification of adhesive
The contraction of agent volume, making conducting particles each other is in stable continuous state, thus shows electric conductivity.In the utility model,
Conducting resinl uses naturally dry or drying.Preferably, when the conducting resinl is graphite based conducting glue, the conducting resinl area 1 is adopted
It is formed with baking and curing.Due to graphite based conducting glue naturally dry it is difficult to ensure that intensity after solidifying, solidification are needed certain
At a temperature of carry out.Preferably, drying temperature is 60~100 DEG C, and drying time is 30~150min, both can guarantee solidification intensity,
It can be reduced the mass loss and micropore loss of activated carbon fiber at high temperature again.
Preferably, the material of the enclosure body is resin and plastic of the heat distortion temperature at 150 DEG C or more.Due to activated carbon
For fiber bed in desorption, electric heating generates high temperature, needs the enclosure body of activated carbon fiber bed surrounding that can have certain resistance to
Warm nature energy, while having both good insulation performance.The resin and plastic can be polyphenylene sulfide (PPS), chlorinated polyether, polyarylsulfone (PAS)
(PAR), PEEK, POB, fusible PI, aminoplast, EP, PF, F4, polybenzoate, polybenzimidazoles (PBI), not molten PI, poly- boron two
Phenyl siloxane (PBP), LCP etc..
Preferably, the temperature sensor 5 is thermal resistance or thermocouple, is capable of the de- of real-time monitoring activated carbon fiber bed
Enclosure temperature guarantees the safety of desorption for judging desorption terminal.Preferably, it is living that at least two are equipped in the enclosure body
Property carbon fiber bed, flase floor 7 is equipped between adjacent activated carbon fiber bed, by neighbouring activated carbon fiber bed
It is isolated, prevents activated carbon fiber bed current unevenness when being powered from causing local temperature excessively high in turn, cause active carbon fiber
Tie up bed kindling.Preferably, between the activated carbon fiber bed and enclosure body and between electrode mechanism and enclosure body
It is sealed by 704 glue, prevents from leaking out, while 704 glue after solidifying also function to the effect for being thermally isolated and being electrically isolated.
The utility model is drawn connector (such as plain conductor, hard contact) by electrode and is connect with conductive metal body, keeps away
Exempt from activated carbon fiber and metal electrode is directly connected to insecure situation, increases the firmness and reliability of electrode application.
Connector is drawn by electrode, can be powered to activated carbon fiber bed, activated carbon fiber bed is as resistance itself heat production
Realize desorption and regeneration.
Meanwhile being formed between conductive metal body and activated carbon fiber by conducting resinl and uniformly being connected, avoid traditional approach
The step of metalized is carried out to activated carbon fiber is needed, technology difficulty is reduced, reduces the regeneration of activated carbon fiber
This, is greatly enriched the application field of activated carbon fiber.
Preferably, the electrode mechanism in the utility model has diversified forms structure.In the present embodiment, in the every of stacking
The two sides of one floor activated carbon fiber cloth, 2 end is coated with the conducting resinl area 1, and the conductive metal body 4 of metal foil form coats
It is pressed together on 1 outer side surface of conducting resinl area, then draws connector 3 with composite electrode and forms electrode mechanism.
By the activated carbon fiber electro-thermal regeneration unit in the present embodiment, electric property test is carried out.As shown in figure 4, whole
In a temperature-rise period, heating curve is very smooth, electrode mechanism function admirable.
As shown in figure 5, laying six temperature measuring points of B, E, F, G, H, I to activated carbon fiber bed, energization heats up.Activity
The temperature lift-down curve of carbon fiber bed by the electrode mechanism in the utility model as shown in fig. 6, heated up, activated carbon fiber
Bed temperature distribution is more uniform, and maximum temperature is differed with minimum temperature is no more than 10 DEG C, the electrode mechanism energy of the utility model
Enough guarantee the uniformity of activated carbon fiber bed desorption temperature, electric current contacts one end by fabric itself and electrode and flows directly into separately
One end avoids conducting hot-spot phenomenon at generation contact point between layers, so that temperature is evenly distributed on entire bed,
Temperature gradient is smaller.
Further, heating and cooling circulation is carried out to activated carbon fiber electro-thermal regeneration unit, carries out degradation, as shown in fig. 7,
Regeneration desorption is sent out using activated carbon fiber using itself as galvanic couple, electrode mechanism is feasible, safe, and electrode anti-aging property is excellent
Good, with the variation of desorption number, the performance change of itself is stablized.In 280 heating and cooling circulation, activated carbon fiber bed is total
Body keeps stablizing, and electrode appearance is unchanged, and activated carbon fiber electro-thermal regeneration unit performance change rate is small, in 280 adsorption/desorptions
For performance change less than 15%, the service life is long in recycling.
The activated carbon fiber electro-thermal regeneration unit of the utility model eliminates the contact resistance between electrode and bed end face,
When high current passes through electrode, electrode heat production is extremely low, long service life;And it ensure that activated carbon fiber bed face material and electricity
Pole completely attaches to, and electric current contacts one end by fabric itself and electrode and flows directly into the other end, avoids conducting production between layers
Hot-spot phenomenon at raw contact point, so that temperature is evenly distributed on entire bed, temperature gradient is smaller.Inside bed
Homogeneous current distribution, synchronous consistent heat generation inside and outside bed, organic matter desorption is clean thorough, is desorbed high-efficient, and favorable regeneration effect makes
Good absorption property can be kept for a long time by obtaining active-carbon fibre material.
Embodiment 2
The present embodiment difference from example 1 is that: the structure type of electrode mechanism is not identical.In the present embodiment
In, the two sides of each 2 end of floor activated carbon fiber cloth of stacking is coated with the conducting resinl area 1, adjacent two layers activity carbon fiber
The conductive metal body 4 for being bonded with metal foil form, and the appearance of 2 end of the activated carbon fiber cloth are filled between dimension cloth 2
It is bonded with the conductive metal body 4 of metal foil form on face, then draws connector 3 with composite electrode and forms electrode mechanism.
Activated carbon fiber electro-thermal regeneration unit in the present embodiment is powered, electric property test is carried out.Entirely heating up
In the process, heating curve is very smooth, electrode mechanism function admirable.Activated carbon fiber bed temperature is distributed more uniform, electrode
Anti-aging property is excellent, and the service life is long.
Embodiment 3
The present embodiment difference from example 1 is that: the structure type of electrode mechanism is not identical.In the present embodiment
In, the two sides of each 2 end of floor activated carbon fiber cloth of stacking is coated with the conducting resinl area 1, the activated carbon fiber cloth 2
It is interior to be spaced the conductive metal body 4 for being bonded with metal foil form, then draw connector 3 with composite electrode and form electrode mechanism.
Activated carbon fiber electro-thermal regeneration unit in the present embodiment is powered, electric property test is carried out.Entirely heating up
In the process, heating curve is very smooth, electrode mechanism function admirable.Activated carbon fiber bed temperature is distributed more uniform, electrode
Anti-aging property is excellent, and the service life is long.
Embodiment 4
The present embodiment difference from example 1 is that: the structure type of electrode mechanism is not identical.In the present embodiment
In, the two sides of each 2 end of floor activated carbon fiber cloth of stacking is coated with the conducting resinl area 1, the activated carbon fiber cloth 2
It is bonded with the conductive metal body 4 of metal foil form on the outer surface of end, then draws connector 3 with composite electrode and forms electrode machine
Structure.
Activated carbon fiber electro-thermal regeneration unit in the present embodiment is powered, electric property test is carried out.Entirely heating up
In the process, heating curve is very smooth, electrode mechanism function admirable.Activated carbon fiber bed temperature is distributed more uniform, electrode
Anti-aging property is excellent, and the service life is long.
Embodiment 5
The present embodiment difference from example 1 is that: the structure type of electrode mechanism is not identical.In the present embodiment
In, the two sides of each 2 end of floor activated carbon fiber cloth of stacking is coated with the conducting resinl area 1, and the conductive metal body 4 buries
It is located inside the conducting resinl area 1, then draws connector 3 with composite electrode and form electrode mechanism.
Activated carbon fiber electro-thermal regeneration unit in the present embodiment is powered, electric property test is carried out.Entirely heating up
In the process, heating curve is very smooth, electrode mechanism function admirable.Activated carbon fiber bed temperature is distributed more uniform, electrode
Anti-aging property is excellent, and the service life is long.
It should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than its limitations;To the greatest extent
Utility model has been described in detail with reference to the preferred embodiment for pipe, it should be understood by those ordinary skilled in the art that:
Specific implementation of the utility model can still be modified or some technical features can be equivalently replaced;Without
It is detached from the spirit of technical solutions of the utility model, should all cover and work as in the claimed technical proposal scope of the utility model
In.