CN206715607U - A kind of annealing furnace tail gas recycle purifier - Google Patents
A kind of annealing furnace tail gas recycle purifier Download PDFInfo
- Publication number
- CN206715607U CN206715607U CN201720144885.1U CN201720144885U CN206715607U CN 206715607 U CN206715607 U CN 206715607U CN 201720144885 U CN201720144885 U CN 201720144885U CN 206715607 U CN206715607 U CN 206715607U
- Authority
- CN
- China
- Prior art keywords
- annealing furnace
- air inlet
- gas outlet
- buffer unit
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Separation Of Gases By Adsorption (AREA)
- Furnace Details (AREA)
Abstract
The utility model tail gas disposal technique field, disclose a kind of annealing furnace tail gas recycle purifier.The device, including condensing unit, the first filter, the first buffer unit, the second filter, heater, device for deoxidizing and the adsorbent equipment being sequentially communicated, the air inlet of the condensing unit connects with the offgas outlet of the annealing furnace, nitrogen supplementing mouth, and the making-up air device connected with the nitrogen supplementing mouth are provided with first buffer unit.By said apparatus, the impurity such as dust, emulsion, ROLLING OIL and oxygen in annealing furnace exhaust gas can be effectively removed, final purification gas meets the requirement of protection gas, can be directly entered in annealing furnace and is recycled, and has significant economic benefit and social enviroment protection benefit.
Description
Technical field
The utility model belongs to tail gas disposal technique field, and in particular to a kind of annealing furnace tail gas recycle purifier, it is special
It is not related to a kind of continuous strip annealing furnace tail gas recycle purifier.
Background technology
The protection gas used in current domestic continuous annealing furnace is the mixed gas of hydrogen and nitrogen, and it is in the course of the work
Consumption and little, however, to ensure that pressure-fired in stove, it is necessary to be continuously passed through protection gas, to ensure equipment safety operation,
Prevent air from entering in stove and causing product quality defect simultaneously.Hydrogen accounting is 5-8% in the protection gas used at present, nitrogen
Accounting is 92-95%, the product to be annealed in annealing furnace can be played by the protection gas of the proportioning and be effectively protected and reduce
Effect.
After annealing terminates, prior art typically by stove it is suitable for reading emptying pipeline be directly vented in air or
Burn, this mode can waste ample resources, add cost, while also not meet the requirement of energy-conserving and environment-protective.In order to profit
With annealing furnace exhaust gas, after prior art is reclaimed to this part protection gas using device for recovering tail gas, purifies, pressurizes, again
Recycled into annealing furnace.As Chinese patent literature CN 104110972A disclose a kind of tail gas for furnace system of annealing
Reclaiming clean recycling device and technique.The device includes adsorptive purifier, the circulation power being sequentially connected by pipeline
Device, arrangement for catalytic purification or oxygen-eliminating device, the first cooler, moisture trap and sorption drying device, adsorptive purifier
Air inlet is connected with annealing furnace exhaust port, and the gas outlet of sorption drying device and the air inlet of annealing furnace connect.Above-mentioned skill
Art realizes the purified treatment of annealing furnace exhaust gas and recycled to a certain extent, reduces energy consumption.
Because containing the impurity such as dust, oxygen, emulsion, ROLLING OIL and vapor in annealing furnace exhaust gas, in its reclaiming clean
During, it is necessary to wherein impurity is effectively removed, while maintains wherein nitrogen and hydrogen in certain proportion, ability reusable edible,
Ensure the quality of product to be annealed.In above-mentioned technology, tail gas first after adsorptive purifier is handled, eliminates to a certain extent
The impurity such as greasy dirt and dust, still, it is poor to the impurity removal effect such as emulsion and vapor, and now tail gas, which is directly entered, urges
Arrangement for catalytic purification can be influenceed or remove by carrying out the impurity such as deoxygenation, water vapour and emulsion therein in change purifier or oxygen-eliminating device
The activity of catalyst in oxygen device, reduce deaerating effect；Furthermore the ratio of nitrogen and hydrogen is not up to standard in the tail gas after purification, its
Annealing furnace is directly entered, the quality of product to be annealed in annealing furnace can be influenceed.
Utility model content
Therefore, it is to be solved in the utility model be existing annealing furnace tail gas recycle purifier exist impurity-eliminating effect it is poor,
The defects of tail gas after purification is difficult to meet protection gas requirement, and then the tail gas provided after a kind of good impurity removing effect, purification meets
The requirement of protection gas, the annealing furnace tail gas recycle purifier recycled in annealing furnace can be directly entered.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows：
Annealing furnace tail gas recycle purifier provided by the utility model, including be sequentially communicated condensing unit, first
Filter, the first buffer unit, the second filter, heater, device for deoxidizing and adsorbent equipment, the condensing unit
Air inlet connects with the offgas outlet of the annealing furnace, is provided with nitrogen supplementing mouth on first buffer unit, and with institute
State the making-up air device of nitrogen supplementing mouth connection；
First pressue device, its air inlet connect with the gas outlet of first filter, its gas outlet and described the
The air inlet connection of one buffer unit；
Gas-liquid separation device, its air inlet connect with the gas outlet of second filter, and its gas outlet adds with described
The air inlet connection of thermal.
Further, in addition to the second pressue device, its air inlet connect with the gas outlet of first buffer unit, its
Gas outlet connects with the air inlet of second filter.
Further, in addition to the second buffer unit, its air inlet connect with the gas outlet of the adsorbent equipment.
Further, the gas outlet of second buffer unit connects with the air inlet of the annealing furnace.
Stable-pressure device, its air inlet connect with the gas outlet of second buffer unit, its gas outlet and the annealing furnace
Air inlet connection；
Oxygen tester, dew point tester and nitrogen tester, it may be contained within connecting second buffer unit and described
On the pipeline of annealing furnace.
Compared with prior art, the utility model has the advantages that：
(1) the annealing furnace tail gas recycle purifier that the utility model embodiment is provided, using corresponding device and company
Order is connect, can effectively remove impurity, the tail gas after purification such as dust, emulsion, ROLLING OIL and oxygen in annealing furnace exhaust gas expires
The requirement of foot protection gas, it can be directly entered in annealing furnace and recycled, there is significant economic benefit and social enviroment protection benefit,
After tested, dust clearance is more than 99.99% in annealing furnace exhaust gas, and more than 99.999%, impurity oil is gone oxygen clearance
Except rate is more than 99.99%, the dew point value of water content reaches less than -65 DEG C.
(2) the annealing furnace tail gas recycle purifier that the utility model embodiment is provided, condensing unit is set, so that tail
While emulsion and ROLLING OIL are condensed into bulky grain in gas, water vapor condensation is that aqueous water is removed, emulsion, ROLLING OIL
Band can be also wrapped up in aqueous water and removes part dust in tail gas；First filter is set, to remove wherein larger dust, and
Further remove emulsion and ROLLING OIL；First buffer unit is set, the effect of buffering and voltage stabilizing is on the one hand served, makes the work
Skill pressure stability, device occur without fluctuation, avoid the impurity such as outside air from entering in annealing furnace, reduce follow-up removal of impurities difficulty, carry
High follow-up impurity-eliminating effect, on the other hand have adjusted wherein nitrogen and hydrogen ratio；Second filter is set, removed wherein smaller
Dust, and further remove emulsion and ROLLING OIL；By the two-stage dedusting of the first filter and the second filter, have
Effect removes the dust of each particle size range, good dedusting effect；By heater and device for deoxidizing, make the requirement of tail gas deoxidation treatment,
It ensure that the effect of deoxidation treatment；Finally by adsorbent equipment, thoroughly to go to remove water, collection and purification gas can be directly entered annealing furnace
It is middle to be used as protection gas.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of annealing furnace tail gas recycle purifier in the utility model.
Reference is as follows：
1- annealing furnaces；2- condensing units；The pressue devices of 3- first；The filters of 4- first；The buffer units of 5- first；6-
Two pressue devices；7- making-up air devices；8- device for deoxidizing；9- heaters；10- adsorbent equipments；The buffer units of 11- second；12- gas
Liquid separating apparatus；The filters of 13- second；14- nitrogen testers；15- oxygen testers；16- dew point testers；17- voltage stabilizings
Device.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this reality
With novel protected scope.
, it is necessary to explanation, the finger such as term " on ", " under ", " level ", " interior ", " outer " in description of the present utility model
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description, rather than the device or element of instruction or hint meaning there must be specific orientation, with specific azimuth configuration
And operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " are only used for retouching
Purpose is stated, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Conflict can is not formed to be combined with each other.
Embodiment 1
Annealing furnace tail gas recycle purifier is present embodiments provided, as shown in figure 1, including the condensing unit being sequentially communicated
2nd, the first filter 4, the first buffer unit 5, the second filter 13, heater 9, device for deoxidizing 8 and adsorbent equipment 10,
The air inlet of condensing unit 2 is connected with the offgas outlet of annealing furnace 1, and nitrogen supplementing mouth is provided with the first buffer unit 5, and
The making-up air device 7 connected with nitrogen supplementing mouth.As selectable embodiment, in the present embodiment, condensing unit 2 specifically may be used
Using pipe heat exchanger；First filter 4 can specifically use block form filter；First buffer unit 5 can specifically use slow
Rush tank；Second filter 13 can specifically use block form filter；Heater 9 can specifically use anti-explosion heater；Deoxidation
Device 8 can specifically use the tower degasifier of internal catalyst filling；Adsorbent equipment 10 can specifically use the sleeve with interior heating
Tower, in the present embodiment, temperature swing absorption unit can be used, 4 series connection adsorption towers are operated and regenerated successively, it is ensured that production
Continuity；The concretely air supply tank of making-up air device 7.
In above-mentioned reclaiming clean device, by using said apparatus and the corresponding order of connection, annealing furnace 1 can be effectively removed
The impurity such as dust, emulsion, ROLLING OIL and oxygen in tail gas, the tail gas after purification meet the requirement of protection gas, can be directly entered
Recycled in annealing furnace 1, there is significant economic benefit and social enviroment protection benefit.Such as by the first buffer unit 5
Nitrogen supplementing mouth is provided with, it is 0.5-2Kpa to add nitrogen to its interior gauge pressure to the first buffer unit 5.
In order to ensure tail gas pressure stability in technique, plant running is stable, avoids the impurity such as outside air from entering annealing furnace 1
In, follow-up removal of impurities difficulty is reduced, improves follow-up impurity-eliminating effect, in addition to the first pressue device 3, its air inlet and the first filtering fill
4 gas outlet connection is put, its gas outlet connects with the air inlet of the first buffer unit 5；As selectable embodiment, at this
In embodiment, the first pressue device 3 concretely roots blower, such as by the first pressue device 3, by tail gas pressure stability extremely
0.5-2Kpa。
Second pressue device 6, its air inlet connect with the gas outlet of the first buffer unit 5, its gas outlet and the second filtering
The air inlet connection of device 13；As selectable embodiment, in the present embodiment, the first pressue device 3 concretely sieve
Thatch blower fan.Such as by the first pressue device 3, by tail gas pressure stability to 20-50Kpa.
In order to further remove liquid phase impurity therein, follow-up deoxidation effect, in addition to gas-liquid separation device 12 are improved, its
Air inlet connects with the gas outlet of the second filter 13, and its gas outlet connects with the air inlet of heater 9.As optional
The embodiment selected, in the present embodiment, the concretely whirlwind separator of gas-liquid separation device 12.
In order to buffer purge gas pressure and stablize tail gas into the pressure in annealing furnace 1, in addition to the second buffer unit
11, its air inlet connects with the gas outlet of adsorbent equipment 10；As selectable embodiment, in the present embodiment, second is slow
The concretely surge tank of flushing device 11.
Further, the gas outlet of second buffer unit connects with the air inlet of the annealing furnace.
Further, stable-pressure device 17, its air inlet connect with the gas outlet of the second buffer unit 11, and its gas outlet is with moving back
The air inlet connection of stove 1, as selectable embodiment, in the present embodiment, the concretely self-operated type of stable-pressure device 17
Pressure maintaining valve.
Oxygen tester 15, dew point tester 16 and nitrogen tester 14, it may be contained within connecting the He of the second buffer unit 11
On the pipeline of annealing furnace 1.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.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 change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among the protection domain that variation is created still in the utility model.
Claims (6)
1. a kind of annealing furnace tail gas recycle purifier, it is characterised in that including condensing unit, the first filtering dress being sequentially communicated
Put, the first buffer unit, the second filter, heater, device for deoxidizing and adsorbent equipment, the air inlet of the condensing unit
Connected with the offgas outlet of the annealing furnace, be provided with nitrogen supplementing mouth on first buffer unit, and with the nitrogen
Add the making-up air device of mouth connection；
First pressue device, its air inlet connect with the gas outlet of first filter, and its gas outlet is slow with described first
The air inlet connection of flushing device；
Gas-liquid separation device, its air inlet connect with the gas outlet of second filter, and its gas outlet fills with the heating
The air inlet connection put.
2. device according to claim 1, it is characterised in that also include,
Second pressue device, its air inlet connect with the gas outlet of first buffer unit, its gas outlet and second mistake
Filter the air inlet connection of device.
3. device according to claim 1 or 2, it is characterised in that also include,
Second buffer unit, its air inlet connect with the gas outlet of the adsorbent equipment.
4. device according to claim 3, it is characterised in that the gas outlet of second buffer unit and the annealing furnace
Air inlet connection.
5. device according to claim 3, it is characterised in that also include,
Stable-pressure device, its air inlet connect with the gas outlet of second buffer unit, and its gas outlet is entered with the annealing furnace
Gas port connects.
6. device according to claim 5, it is characterised in that also include,
Oxygen tester, dew point tester and nitrogen tester, it may be contained within connecting second buffer unit and the annealing
On the pipeline of stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144885.1U CN206715607U (en) | 2017-02-17 | 2017-02-17 | A kind of annealing furnace tail gas recycle purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144885.1U CN206715607U (en) | 2017-02-17 | 2017-02-17 | A kind of annealing furnace tail gas recycle purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206715607U true CN206715607U (en) | 2017-12-08 |
Family
ID=60500569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720144885.1U Active CN206715607U (en) | 2017-02-17 | 2017-02-17 | A kind of annealing furnace tail gas recycle purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206715607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823669A (en) * | 2017-02-17 | 2017-06-13 | 廊坊广惠气体设备有限公司 | The technique and its device of a kind of annealing furnace tail gas recycle purification |
-
2017
- 2017-02-17 CN CN201720144885.1U patent/CN206715607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106823669A (en) * | 2017-02-17 | 2017-06-13 | 廊坊广惠气体设备有限公司 | The technique and its device of a kind of annealing furnace tail gas recycle purification |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11014044B2 (en) | Waste gas purification system and method | |
| CN102764564B (en) | Waste gas reclamation treatment system and recovery processing technique thereof | |
| CN109264674B (en) | Process and system for preparing sulfuric acid by using smelting flue gas | |
| CN106902617A (en) | A kind of high concentration VOC air purifying recovering apparatus and method | |
| CN103463932B (en) | Method and device for treating and recycling organic exhaust gas with low concentration and large air volume | |
| CN109794137B (en) | Method and system for adsorbing, purifying, enriching and recovering nitrogen oxides in flue gas | |
| CN114247265B (en) | Organic silicon emptying tail gas purifying and recycling treatment system and method | |
| CN209564803U (en) | A kind of low humidity circulation return air NMP recyclable device | |
| CN106139890A (en) | Cold-rolled steel sheet heat treatment nitrogen hydrogen mixed tail gas reclaims the apparatus and method purifying | |
| CN113604255A (en) | Blast furnace gas sulfur resource utilization device | |
| CN106823669A (en) | The technique and its device of a kind of annealing furnace tail gas recycle purification | |
| CN206715607U (en) | A kind of annealing furnace tail gas recycle purifier | |
| CN208406512U (en) | A kind of organic waste gas concentrating oxidation integrating device | |
| CN202876608U (en) | Organic waste gas adsorption and vacuum desorption recycling device | |
| CN204901807U (en) | Energy -concerving and environment -protective cremation machine vent gas treatment system in | |
| CN208694613U (en) | A kind of nitrogen desorption condensate recycling device | |
| CN204170579U (en) | Rubber powder modified asphalt produces gas emission device | |
| CN110270192A (en) | The exhaust gas treating method of tank field and loading system | |
| CN206045781U (en) | New organic waste-gas purification tower | |
| CN105854510B (en) | A kind of VOCs processing equipment and method | |
| CN205730793U (en) | A kind of waste gas treatment equipment | |
| CN202666636U (en) | Smoke-gas treating system for ferromolybdenum smelting | |
| CN204582839U (en) | A kind of comminutor emission-control equipment | |
| CN108079736A (en) | A kind of flashed vapour purification-recovery system | |
| CN208694669U (en) | A kind of toluene device for recovering tail gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |