CN206463756U - A kind of tail gas of carbonization stove processing unit - Google Patents
A kind of tail gas of carbonization stove processing unit Download PDFInfo
- Publication number
- CN206463756U CN206463756U CN201720006980.5U CN201720006980U CN206463756U CN 206463756 U CN206463756 U CN 206463756U CN 201720006980 U CN201720006980 U CN 201720006980U CN 206463756 U CN206463756 U CN 206463756U
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- Prior art keywords
- tail gas
- air inlet
- gas air
- pipe
- inlet
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- 238000003763 carbonization Methods 0.000 title claims abstract description 38
- 230000001590 oxidative effect Effects 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 abstract description 116
- LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 19
- 238000006722 reduction reaction Methods 0.000 description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- 239000004215 Carbon black (E152) Substances 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 description 7
- 150000002430 hydrocarbons Chemical class 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- 239000001257 hydrogen Substances 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 206010017740 Gas poisoning Diseases 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- -1 hydrocarbon free radical Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model discloses a kind of tail gas of carbonization stove processing unit, including three-stage reacting furnace, the three-stage reacting furnace includes the reduction room being sequentially connected, cooling chamber and oxidizing chamber, the reduction room connects combustor, reduce room and be provided with the first tail gas air inlet and the second tail gas air inlet, the first tail gas air inlet connects high temperature carbonization furnace by the first tail gas air inlet pipe, the second tail gas air inlet connects low-temperature carbonization furnace by the second tail gas air inlet pipe, the oxidizing chamber connection supply blower fan, oxidizing chamber is provided with exhaust outlet, the exhaust outlet connects exhaust chimney by blast pipe, the cooling chamber connects liquid dispenser.Compared with prior art, tail gas of carbonization stove processing unit of the present utility model reaches 99.9% to the clearance of hydrogen cyanide, the setting of three reative cells effectively inhibits the generation of oxynitrides in three-stage reacting furnace, it is ensured that the tail gas after processing disclosure satisfy that the discharge standard of country.
Description
Technical field
The utility model is related to vent gas treatment field, and in particular to a kind of processing unit of tail gas of carbonization stove.
Background technology
Carbon fiber is that a kind of light weight, intensity is high, corrosion-resistant, fatigue proof high performance fibre material, and carbon fiber was produced
A crucial step in journey is the carbonization process of retort, and retort is divided into low-temperature carbonization furnace charing（300-1000℃）And pyrocarbon
Change stove charing（1000-1800℃）, retort employed nitrogen as protection gas, and the tail gas of retort discharge is main in addition to nitrogen
To contain hydrogen cyanide, ammonia, carbon monoxide, tar and hydrocarbon.Hydrogen cyanide is a kind of extremely toxic substance, and ammonia excitant is big
And it is unpleasant, carbon monoxide can cause gas poisoning, tar also harmful to environment, so the tail gas of retort has to pass through purification
Can discharge.
Because tail gas of carbonization stove temperature is high, harmfulness is big, waste gas total amount is small, harmful components concentration high, harmful components are nitrogenous
Amount is big, tail gas inertia is high, so general purification method is difficult thorough processing.At present, a kind of feasible method of burning processing, but
It is that chemical reaction generation oxynitrides occurs for waste gas during burning, but the corresponding waste gas emission standard of country is very
Sternly, such as hydrogen cyanide standard limited value is 1.9mg/Nm3 and oxynitrides standard limited value 150mg/Nm3, ordinary combustion equipment
Tail gas of carbonization stove is extremely difficult to the emission request of national standard after processing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of tail gas of carbonization stove processing unit, and it can solve existing
There is in technology tail gas of carbonization stove processing unit hydrogen cyanide clearance low and the problem of high oxynitride discharge concentration.In order to solve
Above mentioned problem, the utility model uses following technical scheme：
The utility model provides a kind of tail gas of carbonization stove processing unit, including three-stage reacting furnace, the three-stage reaction
Stove includes reduction room, cooling chamber and the oxidizing chamber being sequentially connected, and the reduction room connects combustor, and reduction room is provided with the first tail gas
Air inlet and the second tail gas air inlet, the first tail gas air inlet connect high temperature carbonization furnace, institute by the first tail gas air inlet pipe
State the second tail gas air inlet and low-temperature carbonization furnace, the oxidizing chamber connection supply blower fan, oxidation are connected by the second tail gas air inlet pipe
Room is provided with exhaust outlet, and the exhaust outlet connects exhaust chimney by blast pipe, and the cooling chamber connects liquid dispenser.
It is preferred that technical scheme, the first tail gas air inlet pipe and the second tail gas air inlet pipe pass through the first branch pipe and the respectively
Two branch pipe connecting bypass pipes, the bypass pipe connects exhaust chimney, and the first tail gas air inlet pipe, the second tail gas air inlet pipe are close
The first tail gas air inlet, the side of the second tail gas air inlet are respectively equipped with the first gas inlet on-off valve and entered with the second tail gas
Mouth on-off valve, first branch pipe, the second branch pipe are respectively equipped with the first tail gas by-passing valve and the second tail gas by-passing valve, the bypass
Pipe connecting bypass blower fan.
Further technique effect, if three-stage reacting furnace is because of disorderly closedown, the first gas inlet on-off valve and the second tail
Gas entrance on-off valve is closed, and the first tail gas by-passing valve, the second tail gas by-passing valve and bypass blower fan are opened, and tail gas of carbonization stove is through bypass
Pipe is discharged, it is to avoid occur security incident.
It is preferred that technical scheme, the junction of the blast pipe and the exhaust outlet is provided with expansion bellow, the exhaust
High-temperature heat-exchanging, cryogenic heat exchanger and system pressure fan, the hot-side inlet connection institute of the high-temperature heat-exchanging are sequentially provided with pipe
State expansion bellow, the hot-side inlet of the hot junction outlet connection cryogenic heat exchanger, cold-side inlet connection workshop pressure fan, cold end
Outlet connection workshop inlet plenum, the hot junction of the cryogenic heat exchanger exports the entrance of connection system pressure fan, cold-side inlet connection
Combustion fan, cold side outlet connects the combustor, the outlet connection exhaust chimney of the system pressure fan.
Further technique effect, the ripple expansion knot absorbs the swelling heat of three-stage reacting furnace, and packaging three-stage is anti-
The operation that stove can be steady in a long-term is answered, high-temperature heat-exchanging recycles most of heat energy during vent gas treatment with cryogenic heat exchanger,
Reduce the operating cost of tail gas of carbonization stove processing unit.
It is preferred that technical scheme, the first gas inlet on-off valve, the second gas inlet on-off valve, the first tail gas bypass
Valve, the second tail gas by-passing valve and bypass blower fan connect PLC respectively.
Further technique effect, PLC according to the operation conditions of three-stage reacting furnace control the first gas inlet on-off valve,
Second gas inlet on-off valve, the first tail gas by-passing valve, the second tail gas by-passing valve and the closing and unlatching that bypass blower fan, were controlled
Journey counterpart's industry control system is sensitiveer.
The method that vent gas treatment is carried out using above-mentioned tail gas of carbonization stove processing unit, is comprised the following steps：
Step 1: the tail gas that high temperature carbonization furnace is produced with low-temperature carbonization furnace passes through the first tail gas air inlet pipe and the second tail respectively
Hydrocarbon, hydrogen cyanide and ammonia generation reduction reaction that gas air inlet pipe enters in reduction room, tail gas, decomposition generation nitrogen,
Hydrogen, carbon monoxide, water；
Step 2: the tail gas after being handled through step one enters cooling chamber, liquid dispenser sprays water spray into cooling chamber,
Water vapor process absorbs the heat in tail gas, reduces exhaust temperature；
Step 3: the tail gas after being handled through step 2 enters oxidizing chamber, supply blower fan is opened, and injects empty into oxidizing chamber
Gas, the hydrogen of step one reaction generation occurs oxidation reaction and generates water, and oxidation occurs for the carbon monoxide of step one reaction generation instead
The hydrocarbon that unreacted is complete in carbon dioxide, step one should be generated and occur oxidation reaction generation water and carbon dioxide, through oxygen
Change the tail gas after the processing of room to discharge through exhaust chimney.
It is preferred that technical scheme, the temperature of the indoor tail gas of the reduction is the tail in 1200 DEG C -1300 DEG C, the cooling chamber
The temperature of gas is that the temperature in 750 DEG C -760 DEG C, the oxidizing chamber is 800 DEG C -980 DEG C.
It is preferred that technical scheme, tail gas is 1s-2s in the reduction indoor residence time, and tail gas is in the oxidizing chamber
Residence time be 1s-2s.
Main component is nitrogen, hydrogen cyanide, ammonia, an oxidation in the tail gas produced through high temperature carbonization furnace and low-temperature carbonization furnace
Nitrogen content is high in carbon, tar and hydrocarbon, tail gas, and the indoor course of reaction of reduction is in poor oxygen condition, and hydrogen cyanide exists
Decomposed at a high temperature of more than 1200 DEG C reaction, generation hydrogen, nitrogen and carbon, carbon generate carbon monoxide under poor oxygen condition；
Ammonia reduces generation nitrogen and hydrogen at high temperature；Hydrocarbon decomposes generation hydrocarbon free radical, hydrocarbon freedom at high temperature
Base and nitrogen reaction generation hydrogen cyanide and nitrogen, hydrogen cyanide further react generation hydrogen, nitrogen and carbon monoxide.Through cooling chamber
Tail gas after cooling enters oxidizing chamber, and supply blower fan is passed through air into oxidizing chamber, and the hydrogen of the indoor generation of reduction is aoxidized
The complete oxidizing hydrocarbon generation dioxy of oxidation reaction generation carbon dioxide, unreacted occurs for reaction generation water, carbon monoxide
Change carbon and water, because the temperature control in oxidizing chamber is in less than 980 DEG C, the effective production for avoiding nitrogen oxides in course of reaction
It is raw.
Compared with prior art, tail gas of carbonization stove processing unit of the present utility model reaches to the clearance of hydrogen cyanide
99.9%, the effective generation for inhibiting oxynitrides of the setting of three reative cells in three-stage reacting furnace, it is ensured that after processing
Tail gas disclosure satisfy that country discharge standard.
Brief description of the drawings
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model tail gas of carbonization stove processing unit.
Wherein, reference is described as follows：First tail gas air inlet pipe 1, the second tail gas air inlet pipe 2, bypass pipe 3, three
Segmentation reacting furnace 4, expansion bellow 5, high-temperature heat-exchanging 6, cryogenic heat exchanger 7, exhaust chimney 8, system pressure fan 9, combustion air
Machine 10, supply blower fan 11, bypass blower fan 12, workshop pressure fan 13, combustor 14, the first gas inlet on-off valve 15, the second tail
Gas entrance on-off valve 16, the first tail gas by-passing valve 17, the second tail gas by-passing valve 18, high temperature carbonization furnace 19, low-temperature carbonization furnace 20, also
Former room 21, cooling chamber 22, oxidizing chamber 23, natural gas air inlet 24, liquid dispenser 25, workshop inlet plenum 26, the first branch pipe 27,
Second branch pipe 28, blast pipe 29.（Wherein：PLC is not shown）.
Embodiment
As shown in figure 1, a kind of tail gas of carbonization stove processing unit, including three-stage reacting furnace 4, three-stage reacting furnace 4 includes
Reduction room 21, cooling chamber 22 and the oxidizing chamber 23 being sequentially connected, reduction room 21 connection combustor 14, the connection natural gas of combustor 14
Air inlet 24, reduction room 21 is provided with the first tail gas air inlet and the second tail gas air inlet, and the first tail gas air inlet passes through the first tail
Gas air inlet pipe 1 connects high temperature carbonization furnace 19, and the second tail gas air inlet connects low-temperature carbonization furnace 20 by the second tail gas air inlet pipe 2,
The junction for reducing room 21 and cooling chamber 22 is provided with chokes ring, and chokes ring makes the thermal current and tail gas of the ejection of combustor 14 sufficient
Mixing.The connection supply blower fan 11 of oxidizing chamber 23, the oxygen content of oxidizing chamber 23 is controlled by supply blower fan 11, it is ensured that oxygen content is 3%,
Oxidizing chamber 23 is provided with exhaust outlet, and exhaust outlet connects exhaust chimney 8 by blast pipe 29, and the junction of blast pipe 29 and exhaust outlet is set
There is expansion bellow 5.Cooling chamber 22 connects liquid dispenser 25, and cooling chamber 22 is designed using venturi type, can be to greatest extent
The heat of mixing tail gas and cooling liquid.First tail gas air inlet pipe 1 and the second tail gas air inlet pipe 2 respectively by the first branch pipe 27 with
The connecting bypass pipe 3 of second branch pipe 28, the connection exhaust chimney 8 of bypass pipe 3, the first tail gas air inlet pipe 1, the second tail gas air inlet pipe 2 are leaned on
The nearly first tail gas air inlet, the side of the second tail gas air inlet are respectively equipped with the first gas inlet on-off valve 15 and the second tail
Gas entrance on-off valve 16, the first branch pipe 27, the second branch pipe 28 are provided with the first tail gas by-passing valve 17 and the second tail gas by-passing valve 18, other
The connecting bypass blower fan 12 of siphunculus 3, the first gas inlet on-off valve 15, the second gas inlet on-off valve 16, the first tail gas by-passing valve
17th, the second tail gas by-passing valve 18 and bypass blower fan 12 connect PLC respectively.High-temperature heat-exchanging 6, low temperature are sequentially provided with blast pipe 29
Heat exchanger 7 and system pressure fan 9, the hot-side inlet of high-temperature heat-exchanging 6 connect the expansion bellow 5, and outlet connection in hot junction is low
The hot-side inlet of warm heat exchanger 7, cold-side inlet connection workshop pressure fan 13, cold side outlet connection workshop inlet plenum 26.Low temperature is changed
The entrance of the hot junction outlet connection system pressure fan 9 of hot device 7, cold-side inlet connection combustion fan 10, cold side outlet connection burning
Machine 14, the outlet connection exhaust chimney 8 of system pressure fan 9.
The course of work：First gas inlet on-off valve 15, the second gas inlet on-off valve 16 are opened, the first tail gas by-passing valve
17th, the second tail gas by-passing valve 18 is closed, and the tail gas that high temperature carbonization furnace 19 is produced enters three-stage through the first tail gas air inlet pipe 1 and reacted
Stove 4, the tail gas that low-temperature carbonization furnace 20 is produced enters three-stage reacting furnace 4 through the second tail gas air inlet pipe 2, through three-stage reacting furnace 4
Tail gas after purification is discharged after the heat exchange of high-temperature heat-exchanging 6 and cryogenic heat exchanger 7 is acted on by exhaust chimney 8, high temperature heat exchange
The air that device 6 sends into the heat transfer of absorption to workshop pressure fan 13, and the air after heating is delivered to workshop inlet plenum
26, supply workshop is used, the air that cryogenic heat exchanger 7 sends into the heat transfer of absorption to combustion fan 10, and by after heating
Air be delivered to combustor 14, play combustion-supporting effect.
Shut down when three-stage reacting furnace 4 breaks down, PLC closes the first gas inlet on-off valve 15, the second gas inlet
On-off valve 16, opens the first tail gas by-passing valve 17, the second tail gas by-passing valve 18 and bypass blower fan 12, high temperature carbonization furnace 19 and low temperature
The tail gas that retort 20 is produced is delivered to exhaust chimney 8 through bypass pipe 3 and discharged.
Use above specific case is illustrated to the utility model, is only intended to help and is understood the utility model, and
Not to limit the utility model.For the utility model person of ordinary skill in the field, think according to of the present utility model
Think, some simple deductions, deformation can also be made or replaced.
Claims (4)
1. a kind of tail gas of carbonization stove processing unit, it is characterised in that including three-stage reacting furnace（4）, the three-stage reacting furnace
（4）Including the reduction room being sequentially connected（21）, cooling chamber（22）And oxidizing chamber（23）, the reduction room（21）Connect combustor
（14）, reduce room（21）Provided with the first tail gas air inlet and the second tail gas air inlet, the first tail gas air inlet passes through first
Tail gas air inlet pipe（1）Connect high temperature carbonization furnace（19）, the second tail gas air inlet passes through the second tail gas air inlet pipe（2）Connection is low
Warm retort（20）, the oxidizing chamber（23）Connection supply blower fan（11）, oxidizing chamber（23）Provided with exhaust outlet, the exhaust outlet leads to
Cross blast pipe（29）Connect exhaust chimney（8）, the cooling chamber（22）Connect liquid dispenser（25）.
2. a kind of tail gas of carbonization stove processing unit as claimed in claim 1, it is characterised in that：The first tail gas air inlet pipe
（1）With the second tail gas air inlet pipe（2）Pass through the first branch pipe respectively（27）With the second branch pipe（28）Connecting bypass pipe（3）, the side
Siphunculus（3）Connect exhaust chimney（8）, the first tail gas air inlet pipe（1）, the second tail gas air inlet pipe（2）Close to first tail
Gas air inlet, the side of the second tail gas air inlet are respectively equipped with the first gas inlet on-off valve（15）With the second gas inlet break-make
Valve（16）, first branch pipe（27）, the second branch pipe（28）It is respectively equipped with the first tail gas by-passing valve（17）Bypassed with the second tail gas
Valve（18）, the bypass pipe（3）Connecting bypass blower fan（12）.
3. a kind of tail gas of carbonization stove processing unit as claimed in claim 1, it is characterised in that：The blast pipe（29）With it is described
The junction of exhaust outlet is provided with expansion bellow（5）, the blast pipe（29）On be sequentially provided with high-temperature heat-exchanging（6）, low temperature changes
Hot device（7）And system pressure fan（9）, the high-temperature heat-exchanging（6）Hot-side inlet connect the expansion bellow（5）, hot junction
The outlet connection cryogenic heat exchanger（7）Hot-side inlet, cold-side inlet connection workshop pressure fan（13）, cold side outlet connection car
Between inlet plenum（26）, the cryogenic heat exchanger（7）Hot junction outlet connection system pressure fan（9）Entrance, cold-side inlet connection
Combustion fan（10）, the cold side outlet connection combustor（14）, the system pressure fan（9）Outlet connection exhaust chimney
（8）.
4. a kind of tail gas of carbonization stove processing unit as claimed in claim 2, it is characterised in that：The first gas inlet break-make
Valve（15）, the second gas inlet on-off valve（16）, the first tail gas by-passing valve（17）, the second tail gas by-passing valve（18）And bypass blower fan
（12）PLC is connected respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006980.5U CN206463756U (en) | 2017-01-04 | 2017-01-04 | A kind of tail gas of carbonization stove processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006980.5U CN206463756U (en) | 2017-01-04 | 2017-01-04 | A kind of tail gas of carbonization stove processing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206463756U true CN206463756U (en) | 2017-09-05 |
Family
ID=59705057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720006980.5U Withdrawn - After Issue CN206463756U (en) | 2017-01-04 | 2017-01-04 | A kind of tail gas of carbonization stove processing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206463756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261902A (en) * | 2017-01-04 | 2018-07-10 | 恩国环保科技（上海）有限公司 | A kind of tail gas of carbonization stove processing unit and processing method |
-
2017
- 2017-01-04 CN CN201720006980.5U patent/CN206463756U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261902A (en) * | 2017-01-04 | 2018-07-10 | 恩国环保科技（上海）有限公司 | A kind of tail gas of carbonization stove processing unit and processing method |
| CN108261902B (en) * | 2017-01-04 | 2023-12-01 | 恩国环保科技（上海）有限公司 | Carbonization furnace tail gas treatment device and treatment method |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20170905 Effective date of abandoning: 20231201 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170905 Effective date of abandoning: 20231201 |