CN217887456U - Treatment system for flue gas of activation furnace in biomass charcoal production - Google Patents
Treatment system for flue gas of activation furnace in biomass charcoal production Download PDFInfo
- Publication number
- CN217887456U CN217887456U CN202121461285.0U CN202121461285U CN217887456U CN 217887456 U CN217887456 U CN 217887456U CN 202121461285 U CN202121461285 U CN 202121461285U CN 217887456 U CN217887456 U CN 217887456U
- Authority
- CN
- China
- Prior art keywords
- gas
- activation furnace
- unit
- flue gas
- heat exchange
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Carbon And Carbon Compounds (AREA)
Abstract
The utility model discloses a processing system of activation furnace flue gas in biomass charcoal production. The secondary carbonized material reacts with the water vapor in the activation furnace to generate biomass charcoal and activation furnace flue gas, and the processing system comprises: the heat exchange unit is used for carrying out heat exchange treatment on the flue gas of the activation furnace and outputting heat exchange gas; the condensation unit is used for condensing tar in the heat exchange gas and outputting condensed gas; the drying unit is used for drying the condensed gas and outputting the dried gas; and the separation unit is used for separating the dry gas and outputting carbon monoxide and hydrogen. The utility model has the advantages of it is following: (1) hydrogen with purity of more than 99% can be prepared; (2) Valuable resources in the tail gas of the activation furnace are fully recovered; (3) The heat of the flue gas of the activation furnace is fully utilized, and the emission of high-temperature gas is reduced; (4) Carbon monoxide is fully utilized, and harmless emission is realized; (3) Simple process and structure, high automation degree, and low investment cost and operation cost.
Description
Technical Field
The utility model relates to a technical field of living beings charcoal production particularly, relates to the processing system of activation furnace flue gas in living beings charcoal production.
Background
The biomass-based porous carbon material (hereinafter referred to as biomass carbon) is a carbon-rich and high-stability solid product obtained by pyrolyzing organic materials such as crop straws, woods, bamboos and the like under an anoxic or anaerobic condition, is an environment-friendly passivation material, has porosity, large specific surface area, rich surface active functional groups and carbon fixation and emission reduction effects, and is an environment-friendly material with easily obtained raw materials.
The production process of the biomass charcoal at present mainly comprises the following steps: heating the biomass raw material to 500-700 ℃ under anaerobic condition for primary carbonization to obtain a primary carbonized material; grinding, kneading and extruding the primary carbonized material; transferring the formed primary carbonized material into a carbonization furnace for secondary anaerobic carbonization at 500-700 ℃ to obtain a secondary carbonized material; and (3) putting the secondary carbonized material into an activation furnace, and activating by using water vapor at 800-900 ℃ to obtain the biomass charcoal.
In the activation furnace, the water vapor and the secondary carbonized material are triggered to generate oxidation reduction reaction under the high-temperature condition, and the generated flue gas of the activation furnace mainly comprises carbon monoxide, hydrogen and water vapor. Currently, the flue gas of the activation furnace is usually directly discharged or combusted as combustible gas.
SUMMERY OF THE UTILITY MODEL
In the field of new energy, hydrogen energy is used as an environment-friendly clean energy, and has the advantages of high energy density, high thermal conversion efficiency and the like, and a combustion product is water, so that the environment is not polluted. However, the preparation of hydrogen is used as an important basic link for hydrogen energy utilization, and the existing preparation method generally has the problem of high preparation cost.
The applicant of the application considers that the hydrogen in the flue gas of the activation furnace in the prior art is not fully utilized, and the hydrogen content is high, so that the method has high recovery value.
Therefore, on the one hand, the utility model aims to provide a method for treating the flue gas of the activation furnace, which has simple process and low cost and can fully exert the value of the flue gas of the activation furnace; on the other hand, the utility model aims to provide a preparation method of hydrogen with low cost and simple process; in another aspect, the present invention aims to provide a treatment system for flue gas of an activation furnace, which has a simple structure and low equipment investment and operation cost.
In order to achieve the above object, according to a first aspect of the present invention, there is provided a method for treating flue gas of an activation furnace in biomass charcoal production, the method comprising:
a treatment method of activation furnace flue gas in biomass charcoal production is characterized in that secondary carbonized materials in an activation furnace react with steam to generate biomass charcoal and activation furnace flue gas, and the treatment method comprises the following steps: carrying out heat exchange treatment on the activation furnace flue gas, and outputting heat exchange gas; drying the heat exchange gas, and outputting a dry gas; and (3) separating the dry gas to separate carbon monoxide and hydrogen in the dry gas and output the carbon monoxide and the hydrogen.
Furthermore, cold water is used as a cold source to carry out heat exchange treatment on the flue gas of the activation furnace, so that the steam generated after heat exchange flows into the activation furnace to react with the secondary carbonized material.
Further, a drying treatment is performed using a water-absorbing drying agent.
Further, the separation process is a pressure swing adsorption process.
Furthermore, the adsorbent adopted in the pressure swing adsorption treatment is any one of activated carbon, silica gel, zeolite and molecular sieve; the pressure of the pressure swing adsorption treatment is 0.3-3 MPa, and the temperature is 50-150 ℃.
Further, the carbonization furnace and the activation furnace are integrally arranged as a converter; further comprising the steps of: condensing the heat exchange gas to condense tar in the heat exchange gas, outputting condensed gas, and drying the condensed gas.
Further, the temperature of the flue gas of the activation furnace is 600-800 ℃; the temperature of the heat exchange gas is 300-450 ℃; the temperature of the condensed gas is 100-250 ℃.
Further, the method also comprises the following steps: the dry gas is dedusted, and the output dust content is less than or equal to 30mg/Nm 3 Then the dust-free gas is separated.
Further, the carbon monoxide flows into a combustion chamber of the activation furnace for combustion.
In order to achieve the above object, according to a second aspect of the present invention, there is provided a method for producing hydrogen, the method comprising:
the preparation method of the hydrogen comprises the following steps: pretreating the flue gas of the activation furnace, and outputting dry gas with the temperature of 50-150 ℃; separating the dry gas to separate carbon monoxide and hydrogen in the dry gas to obtain hydrogen; the smoke of the activation furnace is obtained by reacting a secondary carbonized material with water vapor at 800-900 ℃. The pretreatment is preferably to sequentially perform heat exchange treatment, condensation treatment, drying treatment and dust removal treatment on the flue gas of the activation furnace.
In order to achieve the above object, according to a third aspect of the present invention, there is also provided a processing system for flue gas of an activation furnace in biomass charcoal production, the technical scheme is as follows:
processing system of activation furnace flue gas in biomass charcoal production, the secondary carbonization material reacts with vapor in the activation furnace and generates biomass charcoal and activation furnace flue gas, and processing system includes: the heat exchange unit is used for carrying out heat exchange treatment on the flue gas of the activation furnace and outputting heat exchange gas; the condensing unit is used for condensing tar in the heat exchange gas and outputting condensed gas; the drying unit is used for drying the condensed gas and outputting the dried gas; and the separation unit is used for carrying out separation treatment on the dry gas and outputting carbon monoxide and hydrogen.
Furthermore, the heat exchange unit adopts a waste heat boiler which takes cold water as a cold source.
Furthermore, the treatment system also comprises a first circulating unit, and the first circulating unit is used for inputting the water vapor output by the heat exchange unit into the activation furnace to react with the secondary carbonized material.
Further, the drying unit has at least drying elements connected in parallel, each drying element comprising a water-absorbent desiccant-filled layer and a heating device.
Furthermore, the separation unit comprises a pressure swing adsorption column filled with an adsorbent.
Further, the separation unit further comprises a temperature sensor for monitoring the temperature of the pressure swing adsorption column and a pressure sensor for monitoring the pressure.
Further, the treatment system also comprises a second circulation unit, and the second circulation unit is used for inputting the carbon monoxide output by the separation unit into a combustion chamber of the activation furnace for combustion.
Further, the processing system further comprises a first intermediate tank for storing carbon monoxide and a second intermediate tank for storing hydrogen, and the first intermediate tank and the second intermediate tank are provided with pressure sensors.
Furthermore, the processing system also comprises a dust removal unit which is used for removing dust from the dry gas and outputting the dust-free gas, and the separation unit is used for separating the dust-free gas.
Furthermore, the dust removal unit adopts a filter device with the interception rate of dust with the granularity of more than or equal to 5 mu m of more than or equal to 95 percent.
The present invention will be further described with reference to the accompanying drawings and the detailed description. Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which form a part of the disclosure, are included to assist in understanding the disclosure, and the description provided herein and the accompanying drawings, which are related thereto, are intended to explain the disclosure, but do not constitute an undue limitation on the disclosure. In the drawings:
fig. 1 is a schematic structural diagram of a first specific embodiment of a system for treating flue gas of an activation furnace in biomass charcoal production.
Fig. 2 is a schematic structural diagram of a second embodiment of the flue gas treatment system of the activation furnace in biomass charcoal production.
Fig. 3 is a schematic structural diagram of a third embodiment of the system for treating flue gas of an activation furnace in biomass charcoal production.
The relevant references in the above figures are:
100-heat exchange unit, 200-drying unit, 300-separating unit, 400-condensing unit, 500-dedusting unit, 610-first intermediate tank, 620-second intermediate tank, 710-first circulating unit, 720-second circulating unit.
Detailed Description
The present invention will be described more fully with reference to the accompanying drawings. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Before the present invention is described with reference to the accompanying drawings, it is to be noted that:
the technical solutions and features provided in the various parts of the present invention, including the following description, may be combined with each other without conflict.
Moreover, references to embodiments of the invention in the following description are generally only to be considered as examples of the invention, and not as all embodiments. Therefore, all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
With respect to the terminology and units of the present invention. The terms "comprising," "having," and any variations thereof in the description and claims of this invention and the related sections are intended to cover non-exclusive inclusions.
In the following specific embodiment, the flue gas of the activation furnace is obtained by reacting a secondary carbonized material with water vapor at 800-900 ℃, and the temperature is 600-800 ℃, specifically referring to the background art.
The treatment method of the flue gas of the activation furnace preferably but not limited to adopt the following three specific embodiments, respectively:
in a first specific embodiment, the method for treating the flue gas of the activation furnace in the biomass charcoal production comprises the following steps:
(1) Cold water is used as a cold source to carry out heat exchange treatment on the flue gas of the activation furnace, and heat exchange gas is output; and enabling the steam generated after heat exchange to flow into the activation furnace to react with the secondary carbonized material.
(2) And (4) drying the heat exchange gas by using a water-absorbing drying agent, and outputting dry gas.
(3) And (3) carrying out pressure swing adsorption treatment on the dry gas, separating carbon monoxide and hydrogen in the dry gas, and outputting the carbon monoxide and the hydrogen, wherein the carbon monoxide flows into a combustion chamber of the activation furnace to be combusted for energy supply.
When the carbonization furnace and the activation furnace are integrally arranged as a converter, although the production efficiency can be improved, the flue gas of the activation furnace still contains a small amount of gaseous tar, and the tar is condensed to cause pipeline blockage and influence the efficiency of each section. Therefore, in a second embodiment, the method for treating the flue gas of the activation furnace in the biomass charcoal production comprises the following steps:
(1) Cold water is used as a cold source to carry out heat exchange treatment on the flue gas of the activation furnace, and heat exchange gas is output; and enabling the steam generated after heat exchange to flow into the activation furnace to react with the secondary carbonized material.
(2) Condensing the heat exchange gas to condense tar in the heat exchange gas and output condensed gas.
(3) And drying the condensed gas by using a water-absorbing drying agent, and outputting the dried gas.
(4) And (3) carrying out pressure swing adsorption treatment on the dry gas to separate carbon monoxide and hydrogen in the dry gas and output the carbon monoxide and the hydrogen, wherein the carbon monoxide flows into a combustion chamber of the activation furnace to be combusted.
The flue gas of the activation furnace obtained in the industrial production may also contain a small amount of dust, and the dust can affect the efficiency of the pressure swing adsorption to a certain extent. Therefore, in a third embodiment, the method for treating the flue gas of the activation furnace in the biomass charcoal production comprises the following steps:
(1) Cold water is used as a cold source to carry out heat exchange treatment on the flue gas of the activation furnace, and heat exchange gas is output; and enabling the steam generated after heat exchange to flow into the activation furnace to react with the secondary carbonized material.
(2) Condensing the heat exchange gas to condense tar in the heat exchange gas and output condensed gas.
(3) And drying the condensed gas by using a water-absorbing drying agent, and outputting the dried gas.
(4) The dry gas is dedusted, and the output dust content is less than or equal to 30mg/Nm 3 Then the dust-free gas is separated.
(5) And (3) carrying out pressure swing adsorption treatment on the dry gas to separate carbon monoxide and hydrogen in the dry gas and output the carbon monoxide and the hydrogen, wherein the carbon monoxide flows into a combustion chamber of the activation furnace to be combusted.
In the above specific embodiment, the adsorbent used in the pressure swing adsorption treatment is any one of activated carbon, silica gel, zeolite, and molecular sieve; when the pressure is 0.3-3 MPa and the temperature is 50-150 ℃, the pressure swing adsorption effect is the best.
The gas temperature of the pressure swing adsorption process may be ensured to be 50 to 150 c by controlling the heat exchange efficiency, but not limited thereto. Preferably, in the first embodiment, the temperature of the heat exchange gas is controlled to be 100-200 ℃; in the second embodiment, the temperature of the heat exchange gas is controlled to be 350-500 ℃, and the temperature of the condensed gas is controlled to be 100-200 ℃; in the third embodiment, the temperature of the heat exchange gas is controlled to be 350-500 ℃, and the temperature of the condensed gas is controlled to be 150-250 ℃.
One specific embodiment of the method for producing hydrogen using the activation furnace flue gas described above specifically includes the steps of: pretreating the flue gas of the activation furnace, and outputting dry gas with the temperature of 50-150 ℃; and (3) separating the dry gas to separate carbon monoxide and hydrogen in the dry gas to obtain the hydrogen.
The pretreatment is preferably the heat exchange treatment-drying treatment in the first embodiment, the heat exchange treatment-condensing treatment-drying treatment in the second embodiment, or the heat exchange treatment-condensing treatment-drying treatment-dedusting treatment in the third embodiment.
The treatment system of the flue gas of the activation furnace preferably but not limited to adopt the following three specific embodiments, which are respectively:
fig. 1 is a schematic structural diagram of a first specific embodiment of a system for treating flue gas of an activation furnace in biomass charcoal production.
In a first embodiment, as shown in fig. 1, a system for treating flue gas of an activation furnace in biomass charcoal production comprises: a heat exchange unit 100, a drying unit 200, and a separation unit 300; the heat exchange unit 100 is used for performing heat exchange treatment on the flue gas of the activation furnace and outputting heat exchange gas; the drying unit 200 is configured to perform a drying process on the heat exchange gas and output a dry gas; the separation unit 300 is used for performing a separation process on the dry gas and outputting carbon monoxide and hydrogen.
Fig. 2 is a schematic structural diagram of a second embodiment of the flue gas treatment system of the activation furnace in biomass charcoal production.
In a second embodiment, as shown in fig. 2, the system for treating flue gas of an activation furnace in biomass charcoal production comprises: a heat exchange unit 100, a condensation unit 400, a drying unit 200, and a separation unit 300; the heat exchange unit 100 is used for performing heat exchange treatment on the flue gas of the activation furnace and outputting heat exchange gas; the condensing unit 400 is used for condensing tar in the heat exchange gas and outputting condensed gas; the drying unit 200 is used for drying the condensed gas and outputting a dry gas; the separation unit 300 is used for performing a separation process on the dry gas and outputting carbon monoxide and hydrogen.
Fig. 3 is a schematic structural diagram of a third embodiment of the system for treating flue gas of an activation furnace in biomass charcoal production.
In a third embodiment, as shown in fig. 3, the system for treating flue gas of an activation furnace in biomass charcoal production comprises: a heat exchange unit 100, a condensation unit 400, a drying unit 200, a dust removal unit 500, and a separation unit 300; the heat exchange unit 100 is used for performing heat exchange treatment on the flue gas of the activation furnace and outputting heat exchange gas; the condensing unit 400 is used for condensing tar in the heat exchange gas and outputting condensed gas; the drying unit 200 is used for drying the condensed gas and outputting a dry gas; the dust removal unit 500 is configured to perform dust removal processing on the dry gas and output a dust-free gas; the separation unit 300 is used for performing separation treatment on the dust-free gas and outputting carbon monoxide and hydrogen.
In the above three embodiments:
the heat exchange unit 100 employs a waste heat boiler or a combination of a waste heat boiler and other heat exchangers according to a required heat exchange efficiency.
In order to make full use of the water vapor, the treatment system further comprises a first circulation unit 710, and the first circulation unit 710 is used for inputting the water vapor output by the heat exchange unit 100 into the activation furnace to react with the secondary carbonization material.
Since hydrogen and carbon monoxide in the flue gas of the activation furnace are flammable and explosive, the drying unit 200 uses a water-absorbing drying agent for drying in order to improve the safety of drying.
Since the desiccant has water-absorbing saturation, in order to ensure the production efficiency, the drying unit 200 has at least drying elements connected in parallel, each comprising a water-absorbing desiccant filling layer and a heating device; therefore, the drying component which is saturated with water can be stopped, and the drying component can be started after being heated and regenerated by the heating device.
The dust removal unit 500 adopts a filter device with the interception rate of dust with the granularity of more than or equal to 5 mu m of more than or equal to 95 percent.
The separation unit 300 includes a pressure swing adsorption column filled with an adsorbent. To ensure proper pressure swing adsorption temperature and pressure, the separation unit 300 also includes a temperature sensor that monitors the temperature of the pressure swing adsorption column and a pressure sensor that monitors the pressure.
In order to fully utilize the carbon monoxide output by the separation unit 300, the treatment system further comprises a second circulation unit 720, wherein the second circulation unit 720 is used for inputting the carbon monoxide output by the separation unit 300 into a combustion chamber of the activation furnace for combustion.
The process system further includes a first intermediate tank 610 for storing carbon monoxide and a second intermediate tank 620 for storing hydrogen, whereby the pressures of carbon monoxide and hydrogen can be stabilized. The first and second intermediate tanks 610 and 620 have pressure sensors to improve safety.
In conclusion, the utility model has the following advantages:
(1) Can prepare hydrogen with the purity of more than 99 percent;
(2) Valuable resources in the tail gas of the activation furnace are fully recovered;
(3) The heat of the flue gas of the activation furnace is fully utilized, and the emission of high-temperature gas is reduced;
(4) Carbon monoxide is fully utilized to realize harmless emission;
(3) Simple process and structure, high automation degree, low investment cost and low operation cost.
The contents of the present invention have been explained above. Those of ordinary skill in the art will be able to implement the invention based on these descriptions. Based on the above-mentioned contents of the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.
Claims (7)
1. The treatment system of activation furnace flue gas in biomass charcoal production, the secondary carbonization material reacts with vapor in the activation furnace and generates biomass charcoal and activation furnace flue gas, its characterized in that: the processing system comprises:
the heat exchange unit (100) is used for carrying out heat exchange treatment on the flue gas of the activation furnace and outputting heat exchange gas; the heat exchange unit (100) adopts a waste heat boiler using cold water as a cold source;
a condensing unit (400) for condensing tar in the heat exchange gas and outputting a condensed gas;
a drying unit (200) for drying the condensed gas and outputting a dried gas; the drying unit (200) has parallel drying elements, each drying element comprising a water-absorbent desiccant filling layer and a heating device;
a separation unit (300) for performing a separation process on the dry gas and outputting carbon monoxide and hydrogen; the separation unit (300) comprises a pressure swing adsorption column filled with an adsorbent.
2. The system for treating the flue gas of the activation furnace in the biomass charcoal production as claimed in claim 1, wherein: the treatment system also comprises a first circulation unit (710), and the first circulation unit (710) is used for inputting the water vapor output by the heat exchange unit (100) into the activation furnace to react with the secondary carbonized material.
3. The system for treating the flue gas of the activation furnace in the biomass charcoal production as claimed in claim 1, wherein: the separation unit (300) further comprises a temperature sensor for monitoring the temperature of the pressure swing adsorption column and a pressure sensor for monitoring the pressure.
4. The system for treating the flue gas of the activation furnace in the biomass charcoal production as recited in claim 1, wherein: the treatment system also comprises a second circulation unit (720), and the second circulation unit (720) is used for inputting the carbon monoxide output by the separation unit (300) into a combustion chamber of the activation furnace for combustion.
5. The system for treating the flue gas of the activation furnace in the biomass charcoal production as claimed in claim 1, wherein: the processing system further includes a first intermediate tank (610) that stores carbon monoxide and a second intermediate tank (620) that stores hydrogen, the first intermediate tank (610) and the second intermediate tank (620) having pressure sensors.
6. The system for treating the flue gas of the activation furnace in the biomass charcoal production as claimed in claim 1, wherein: the processing system also comprises a dust removal unit (500) used for removing dust from the dry gas and outputting the dust-free gas, and the separation unit (300) is used for separating the dust-free gas.
7. The system for treating the flue gas of the activation furnace in the biomass charcoal production as claimed in claim 6, wherein: the dust removal unit (500) adopts a filter device with the interception rate of dust with the granularity of more than or equal to 5 mu m of more than or equal to 95 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121461285.0U CN217887456U (en) | 2021-06-29 | 2021-06-29 | Treatment system for flue gas of activation furnace in biomass charcoal production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121461285.0U CN217887456U (en) | 2021-06-29 | 2021-06-29 | Treatment system for flue gas of activation furnace in biomass charcoal production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217887456U true CN217887456U (en) | 2022-11-25 |
Family
ID=84105502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121461285.0U Active CN217887456U (en) | 2021-06-29 | 2021-06-29 | Treatment system for flue gas of activation furnace in biomass charcoal production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217887456U (en) |
-
2021
- 2021-06-29 CN CN202121461285.0U patent/CN217887456U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101323799A (en) | Coke oven gas dry cleaning temperature swing adsorption process | |
| CN109737432A (en) | Utilize the processing system and method for dangerous waste incinerator processing low-concentration organic exhaust gas | |
| RU2010111850A (en) | METHOD OF REGENERATING THE CATALYST | |
| CN102627280A (en) | Method for purifying and concentrating CO from calcium carbide furnace gas | |
| CN108913175A (en) | A kind of combined cycle system and its application method based on abandoned biomass catalytic pyrolysis product processing organic wastewater | |
| RU2017135146A (en) | CATALYTIC MODIFICATION OF PYROLYTIC VAPORS | |
| CN102190541A (en) | Method for recovering methane for industrial production of clean fuel through deep purification of landfill gas | |
| CN106955595B (en) | Regeneration method of desulfurizer elemental sulfur in desulfurizing tower | |
| JPS5858131B2 (en) | Flue gas desulfurization method and its equipment | |
| CN111530441A (en) | Powdered activated carbon regeneration system and regeneration method thereof | |
| CN110144228A (en) | Clean coking production process and system | |
| CN111592899B (en) | Biomass pyrolysis system and working method thereof | |
| CN101508902A (en) | Biomass fuel cycle gasifying device and method thereof | |
| CN217887456U (en) | Treatment system for flue gas of activation furnace in biomass charcoal production | |
| CN112097277A (en) | Heat storage combustion system and method for organic waste gas | |
| JP5421065B2 (en) | Hydrogen production and usage | |
| JP2018102170A (en) | Waste disposal system and gas treatment apparatus | |
| CN201669263U (en) | An integrated device for activated carbon regeneration and hazardous waste incineration | |
| JP5036608B2 (en) | Gasification generator | |
| CN111686706B (en) | Negative pressure closed type energy-saving activation and regeneration system for dangerous waste carbon | |
| CN113336191A (en) | Method for treating activation furnace flue gas in biomass charcoal production and method for preparing hydrogen | |
| CN118255323A (en) | Method and device for preparing battery-grade hydrogen by organic solid waste plasma | |
| CN107987890A (en) | Organic sludge pyrolysis gasification system and pyrolysis gasification method | |
| CN210332252U (en) | To CO in cement kiln tail flue gas2Trapping, concentrating and utilizing system | |
| CN101502738A (en) | Method and device for purifying light-concentration siloxane gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 610000 room 3502, 35 / F, unit 1, building 1, No. 89 Cuihua Road, No. 99 Jitai 1st Street, No. 108 Shenghua Road, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan Patentee after: Chengdu Daqi Technology Co.,Ltd. Address before: No. 3203, 32F, building 2, No. 69, Ronghua North Road, high tech Zone, Chengdu, Sichuan 610000 Patentee before: CHENGDU DAQI ENVIRONMENTAL TECHNOLOGY CO.,LTD. |