CN111715181B - Production system and method of environment-friendly wall decoration material - Google Patents

Production system and method of environment-friendly wall decoration material Download PDF

Info

Publication number
CN111715181B
CN111715181B CN202010372158.7A CN202010372158A CN111715181B CN 111715181 B CN111715181 B CN 111715181B CN 202010372158 A CN202010372158 A CN 202010372158A CN 111715181 B CN111715181 B CN 111715181B
Authority
CN
China
Prior art keywords
chamber
flue gas
gas
activation
pyrolysis
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.)
Expired - Fee Related
Application number
CN202010372158.7A
Other languages
Chinese (zh)
Other versions
CN111715181A (en
Inventor
郭镜哲
陈红章
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kangruiliqi Environmental Protection Technology Shanghai Co ltd
Original Assignee
Kangruiliqi Environmental Protection Technology Shanghai Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kangruiliqi Environmental Protection Technology Shanghai Co ltd filed Critical Kangruiliqi Environmental Protection Technology Shanghai Co ltd
Priority to CN202010372158.7A priority Critical patent/CN111715181B/en
Publication of CN111715181A publication Critical patent/CN111715181A/en
Application granted granted Critical
Publication of CN111715181B publication Critical patent/CN111715181B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C01B32/318—Preparation characterised by the starting materials
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C01B32/318—Preparation characterised by the starting materials
    • C01B32/324—Preparation characterised by the starting materials from waste materials, e.g. tyres or spent sulfite pulp liquor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C01B32/336—Preparation characterised by gaseous activating agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/354—After-treatment
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/39—Apparatus for the preparation thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B32/00—Artificial stone not provided for in other groups of this subclass
    • C04B32/005—Artificial stone obtained by melting at least part of the composition, e.g. metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Structural Engineering (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The invention discloses a production system and a method of an environment-friendly wall decoration material, wherein the production system comprises: pyrolysis chamber, flue gas chamber, combustion chamber, melting reaction chamber, the bottom at the pyrolysis chamber is fixed to the flue gas chamber, and the bottom at the flue gas chamber is fixed to the combustion chamber, and the melting reaction chamber sets up in the bottom of combustion chamber, and the equipartition is fixed with the activation settling leg of multiunit on grid plate, the baffle, and in the pyrolysis chamber was inserted to the upper portion of activation settling leg, the lower part of activation settling leg passed the combustion chamber and inserted in the melting reaction chamber. The production method comprises the following steps: pyrolyzing raw materials of activated carbon; activating the carbonized material in a settling tube; melting rice hull ash and ingredients; and forming, cutting and polishing to form the plate-shaped environment-friendly wall surface decoration material. The invention can greatly improve the capability of the active carbon to adsorb harmful gases such as formaldehyde and the like; the invention also has the advantages of high strength, high hardness and beautiful appearance.

Description

Production system and method of environment-friendly wall decoration material
Technical Field
The invention belongs to the technical field of wall decoration materials, and particularly relates to a production system and a production method of an environment-friendly wall decoration material.
Background
With the improvement of living environment of people, the demands for house decoration and the like are gradually increased, and a large amount of decorative materials are used in rooms, which also brings the problem of indoor air pollution. Of which formaldehyde is the major air pollutant. Formaldehyde has been identified by the world health organization as a carcinogenic and teratogenic substance. Methods for adsorbing formaldehyde are many, including the use of porous species, carbon fibers, photodegradation, electrochemistry, reactive reagents, and the like. Common commercial formaldehyde purification products mainly comprise activated carbon adsorbents, catalysts represented by titanium dioxide and noble metals, air fresheners and the like. However, the activated carbon adsorbent is generally sold in a non-woven fabric carbon bag, the amount of the activated carbon adsorbent is small, the effective contact area of the activated carbon and formaldehyde gas is very small, the effect of adsorbing indoor formaldehyde is very limited, the price of titanium dioxide and noble metal is very high, the titanium dioxide and noble metal cannot be used in large quantities, the efficiency is not very high, and the air freshener cannot really reduce the indoor formaldehyde concentration.
In order to effectively reduce the concentration of formaldehyde in a room, the contact area between the adsorbing material and the indoor air needs to be increased as much as possible, and the manufacturing cost of the adsorbing material needs to be considered. The contact area between the indoor wall and the indoor environment is large, and the method for purifying the indoor air by making the adsorbing material into the inner wall facing material is very efficient. The existing wall surface decoration material also has the problems of low appearance glossiness, insufficient mechanical strength and hardness, and the wall surface decoration material is easy to damage.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a system and a method for producing an environment-friendly wall decoration material.
The invention is realized by the following technical scheme:
an environment-friendly wall decoration material production system comprises: pyrolysis chamber, flue gas chamber, combustion chamber, melting reaction chamber, its characterized in that: the device comprises a flue gas chamber, a combustion chamber, a melting reaction chamber, a partition plate, a plurality of groups of activation settling tubes, a gas distribution plate, a plurality of groups of air caps, a plurality of groups of activation settling tubes, a plurality of groups of gas burners, a plurality of groups of cone-shaped structures, a plurality of groups of gas inlets, a plurality of groups of gas outlets, a plurality of groups of activation settling tubes, a plurality of groups of gas burners, a plurality of groups of gas outlets, a plurality of groups of activation settling tubes, a plurality of groups of gas outlets, a plurality of groups of activation settling tubes, a plurality of groups of activation settling tubes, and a plurality of groups of, and a discharge pipe at the bottom of the gas-solid separator is connected with an inlet pipe at the upper part of the material returning device, and an outlet pipe at the side part of the material returning device is connected with a material returning pipe at the side part of the combustion chamber.
Preferably, a raw material inlet pipe and a bed material inlet pipe are fixed on the side wall of the pyrolysis chamber, a gas outlet pipe is fixed at the top of the pyrolysis chamber, and the gas outlet pipe is connected with a return air inlet pipe of a return feeder and a gas inlet pipe of a gas burner through pipelines.
Preferably, the gas outlet pipe of the gas-solid separator is connected with a middle flue gas inlet pipe fixed on the side part of the flue gas chamber, and the middle flue gas outlet pipe on the side part of the flue gas chamber is connected with the lower part of the activation settling pipe through a pipeline.
Preferably, an ingredient inlet pipe is fixed on a side wall of the upper part of the combustion chamber.
The production method of the environment-friendly wall decoration material production system is characterized by comprising the following steps of:
1) the method comprises the following steps that active carbon raw materials are added into a pyrolysis chamber from a raw material inlet pipe, bed materials are added into the pyrolysis chamber from a bed material inlet pipe, smoke passes through a hood from a smoke chamber, the smoke achieves fluidization of the active carbon raw materials and the bed materials, the active carbon raw materials are subjected to pyrolysis reaction in the pyrolysis chamber, the active carbon raw materials are crushed into small-particle carbonized materials under the fluidization action of the bed materials in the pyrolysis process, the carbonized materials fall into an activation settling pipe, gas generated by the pyrolysis reaction and the smoke are mixed to form mixed gas, the mixed gas is divided into three paths, the first path leaves a system to be used as a production heat source, the second path enters a material returning device to be used as return air, and the third path enters a gas burner;
2) rice hulls are pulverized and then sprayed out from a fuel burner to perform combustion reaction with air, heat emitted by the combustion reaction exchanges heat with a carbonized material in an activation settling tube, the carbonized material is heated, partial flue gas discharged from a flue gas chamber enters from the lower part of the activation settling tube, water vapor in the flue gas performs activation reaction with the carbonized material to activate the carbonized material to generate granular activated carbon, ingredients are added from an ingredient inlet tube, the ingredients are heated by the flue gas and then fall into a melting reaction chamber, the granular activated carbon is discharged into the melting reaction chamber, part of rice hull ash after the combustion of the rice hull powder is settled and enters into the melting reaction chamber, the rice hull ash which is not settled enters into a gas-solid separator along with the flue gas to perform gas-solid separation, and the separated rice hull ash returns to a combustion chamber through a return feeder, the smoke gas enters a smoke gas chamber, one part of the smoke gas enters a pyrolysis chamber, and the other part of the smoke gas enters an activation settling tube;
3) the gas burner and the combustion-supporting air are sprayed and combusted, the rice hull ash and the ingredients in the melting reaction chamber are heated to a molten state, and the molten state material carries the granular activated carbon to be discharged from the bottom of the melting reaction chamber;
4) the mixture of the molten material and the active carbon is molded into blank buttock by a mold, and the blank buttock is cut and polished to form the plate-shaped environment-friendly wall decoration material.
Preferably, in the step 1), the activated carbon raw material is wood chips, bamboo chips or coconut shells with ash content of less than 1%.
Preferably, in the step 1), the bed material is ceramic balls or alumina pellets, and the particle size of the bed material is 1.5-3 mm.
Preferably, in the step 2), when the fuel burner burns, the air excess coefficient is 0.7-0.8.
Preferably, in the step 2), the ingredient is one or two of quartz sand and feldspar powder.
Preferably, in the step 3), the combustion-supporting air is oxygen-enriched or pure oxygen.
The working principle of the invention is as follows:
1) during operation, the bottom of the activation settling pipe is blocked by molten materials, so that the activation settling pipe is filled with the carbonized materials, the viscosity of the molten materials is high, and the activated carbon particles are continuously adhered during discharge, so that the discharge of the bottom of the activated carbon particles is realized, the activation time of the carbonized materials is prolonged, and the quality of the activated carbon is improved;
2) when the rice hull powder is sprayed out of the fuel burner, the air excess coefficient is lower than 1, the rice hull powder is subjected to incomplete combustion reaction, the generated rice hull ash contains 15-25% of carbon, when the rice hull ash is melted in a melting reaction chamber, the melting temperature is 1400-1500 ℃, carbon in the rice hull ash and SiO2 in the rice hull ash are reacted to generate SiC and CO gas, the CO gas cannot be discharged in time due to high viscosity of the molten material, the CO gas is dispersed in the whole molten material in a small bubble shape, so that the finished environment-friendly wall decoration material is rich in micropores, and the active carbon can be communicated with indoor air through the micropores, thereby achieving the function of adsorbing indoor formaldehyde and peculiar smell. The SiC can effectively improve the hardness and the strength of the finished environment-friendly wall decoration material.
3) After the activated carbon particles enter the melting reaction chamber, part of SiO2 enters pores of the activated carbon, a small amount of SiO2 reacts with carbon in the activated carbon to generate SiC and CO gas, most of the SiO2 entering the activated carbon is combined with the activated carbon to form glassy activated carbon, and after cutting, part of the activated carbon particles are cut, so that part of the activated carbon directly contacts with the outside atmosphere, and the glassy activated carbon has high strength and cannot fall off due to scraping.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the environment-friendly wall decoration material produced by the invention, the active carbon is exposed on the surface, so that the contact area between the active carbon and the indoor atmosphere can be effectively increased, and the capability of the active carbon for adsorbing harmful gases such as formaldehyde is greatly improved;
2) the environment-friendly wall surface decorative material is rich in SiC, so that the strength and hardness of the environment-friendly wall surface decorative material are greatly improved;
3) after the melting treatment, the environment-friendly wall surface decoration material has high glossiness, the main material of the environment-friendly wall surface decoration material is SiO2, the carbon powder is dispersed in the middle of the environment-friendly wall surface decoration material, so that the environment-friendly wall surface decoration material is integrally gray, the cut activated carbon particles are distributed on the surface of the environment-friendly wall surface decoration material in a black sheet shape, and the activated carbon particles have certain glossiness and have the advantage of attractive appearance;
4) the invention adopts cheap waste biomass raw materials, feldspar or quartz as raw materials to produce the wall decoration material which can adsorb formaldehyde, has high hardness, high strength and beautiful appearance, and has the advantage of low production cost.
Drawings
Fig. 1 is a schematic structural view of an environment-friendly wall decoration material production system of the present invention.
In the figure, 1, a gas outlet pipe, 2, a raw material inlet pipe, 3, a pyrolysis chamber, 4, a hood, 5, an intermediate gas outlet pipe, 6, a gas chamber, 7, a combustion chamber, 8, an activation settling pipe, 9, a fuel burner, 10, a gas burner, 11, a melting reaction chamber, 12, a bed material inlet pipe, 13, an air distribution plate, 14, an intermediate gas inlet pipe, 15, a gas-solid separator, 16, a partition plate, 17, a batching inlet pipe, 18 and a material returning device.
Detailed Description
Referring to fig. 1, an environment-friendly wall decoration material production system includes: pyrolysis chamber 3, flue gas chamber 6, combustion chamber 7, melting reaction chamber 11, its characterized in that: the flue gas chamber 6 is fixed at the bottom of the pyrolysis chamber 3, the combustion chamber 7 is fixed at the bottom of the flue gas chamber 6, the melting reaction chamber 11 is arranged at the bottom of the combustion chamber 7, the flue gas chamber 6 is separated from the pyrolysis chamber 3 by an air distribution plate 13, a plurality of groups of air caps 4 are fixed on the air distribution plate 13, the flue gas chamber 6 is communicated with the pyrolysis chamber 3 through the air caps 4, the combustion chamber 7 is separated from the flue gas chamber 6 by a partition plate 16, a plurality of groups of activation settling tubes 8 are uniformly distributed and fixed on the air distribution plate 13 and the partition plate 16, the upper parts of the activation settling tubes 8 are inserted into the pyrolysis chamber 3, the upper ends of the activation settling tubes 8 are in a cone-bucket-shaped structure, the lower parts of the activation settling tubes 8 penetrate through the combustion chamber 7 and are inserted into the melting reaction chamber 11, a fuel burner 9 is fixed on the side wall at the lower part of the combustion chamber 7, and a fuel burner 10 is fixed on the side wall at the lower end of the combustion chamber 7, the gas burner 10 is obliquely and downwards arranged, a flue gas outlet pipe at the upper part of the combustion chamber 7 is connected with an inlet pipe of a gas-solid separator 15, a discharge pipe at the bottom of the gas-solid separator 15 is connected with an inlet pipe at the upper part of a material returning device 18, and an outlet pipe at the side part of the material returning device 18 is connected with a material returning pipe at the side part of the combustion chamber 7.
Preferably, a raw material inlet pipe 2 and a bed material inlet pipe 12 are fixed on the side wall of the pyrolysis chamber 3, a gas outlet pipe 1 is fixed on the top of the pyrolysis chamber 3, and the gas outlet pipe 1 is connected with a material return air inlet pipe of a material return device 18 and a gas inlet pipe of a gas burner 10 through pipelines.
Preferably, the gas outlet pipe of the gas-solid separator 15 is connected with a middle flue gas inlet pipe 14 fixed on the side part of the flue gas chamber 6, and the middle flue gas outlet pipe 5 on the side part of the flue gas chamber 6 is connected with the lower part of the activation settling pipe 8 through a pipeline.
Preferably, an ingredient inlet pipe 17 is fixed to a sidewall of an upper portion of the combustion chamber 7.
The production method of the environment-friendly wall decoration material production system is characterized by comprising the following steps of:
1) activated carbon raw materials are added into a pyrolysis chamber 3 from a raw material inlet pipe 2, bed materials are added into the pyrolysis chamber 3 from a bed material inlet pipe 12, smoke passes through a hood 4 from a smoke chamber 6, the smoke realizes fluidization of the activated carbon raw materials and the bed materials, the activated carbon raw materials are subjected to pyrolysis reaction in the pyrolysis chamber 3, the activated carbon raw materials are crushed into small-particle carbonized materials under the fluidization action of the bed materials in the pyrolysis process, the carbonized materials fall into an activation settling pipe 8, gas generated by the pyrolysis reaction and the smoke are mixed to form mixed gas, the mixed gas is divided into three paths, the first path leaves a system to be used as a production heat source, the second path enters a return feeder 18 to be used as return air, and the third path enters a gas burner 10;
2) rice hulls are pulverized and sprayed out from a fuel burner 9 to have a combustion reaction with air, heat released by the combustion reaction exchanges heat with a carbonized material in an activation settling tube 8, the carbonized material is heated, part of flue gas discharged from a flue gas chamber 6 enters from the lower part of the activation settling tube 8, water vapor in the flue gas has an activation reaction with the carbonized material to activate the carbonized material to generate granular activated carbon, ingredients are added from an ingredient inlet tube 17, the ingredients are heated by the flue gas and then fall into a melting reaction chamber 11, the granular activated carbon is discharged into the melting reaction chamber 11, part of rice hull ash generated after the combustion of rice hull powder is settled and enters the melting reaction chamber 11, the rice hull ash which is not settled enters a gas-solid separator 15 along with the flue gas to carry out gas-solid separation, the separated rice hull ash returns to a combustion chamber 7 through a material returning device 18 and falls into the melting reaction chamber 11, the flue gas enters the flue gas chamber 6, and part of the flue gas enters a pyrolysis chamber 3, the other part enters an activation settling tube 8;
3) the gas burner 10 and the combustion-supporting air are sprayed and combusted, the rice hull ash and the ingredients in the melting reaction chamber 11 are heated to a molten state, and the molten state materials carrying the granular activated carbon are discharged from the bottom of the melting reaction chamber 11;
4) the mixture of the molten material and the active carbon is molded into blank buttock by a mold, and the blank buttock is cut and polished to form the plate-shaped environment-friendly wall decoration material.
Preferably, in the step 1), the activated carbon raw material is wood chips, bamboo chips or coconut shells with ash content of less than 1%.
Preferably, in the step 1), the bed material is ceramic balls or alumina pellets, and the particle size of the bed material is 1.5-3 mm.
Preferably, in the step 2), the air excess coefficient is 0.7-0.8 when the fuel burner 9 burns.
Preferably, in the step 2), the ingredient is one or two of quartz sand and feldspar powder.
Preferably, in the step 3), the combustion-supporting air is oxygen-enriched or pure oxygen.
Example 1
1) Wood chips with ash content of 0.5% and particle size of 5cm are added into a pyrolysis chamber 3 from a raw material inlet pipe 2, ceramic balls with particle size of 1.5mm are added into the pyrolysis chamber 3 from a bed material inlet pipe 12, flue gas passes through an air cap 4 from a flue gas chamber 6, the flue gas realizes fluidization of an active carbon raw material and the bed material, the active carbon raw material is subjected to pyrolysis reaction in the pyrolysis chamber 3, the pyrolysis reaction temperature is 700 ℃, the active carbon raw material is crushed into small-particle carbonized material under the fluidization action of the bed material in the pyrolysis process, the carbonized material falls into an activation settling pipe 8, the fuel gas and the flue gas generated by the pyrolysis reaction are mixed to form mixed fuel gas, the mixed fuel gas is divided into three paths, the first path is used as a production heat source, the second path enters a return feeder 18 as return air, and the third path enters a fuel gas combustor 10;
2) the rice husk is pulverized and then sprayed out from a fuel burner 9 to have a combustion reaction with air, the air excess coefficient of the fuel burner 9 is controlled to be 0.7, the heat released by the combustion reaction exchanges heat with a carbonized material in an activation settling tube 8 to heat the carbonized material, part of flue gas discharged from a flue gas chamber 6 enters from the lower part of the activation settling tube 8, the steam in the flue gas and the carbonized material have an activation reaction to activate the carbonized material to generate granular activated carbon, quartz sand is added from a batching inlet tube 17, a batching is heated by the flue gas and then falls into a melting reaction chamber 11, the granular activated carbon is discharged into the melting reaction chamber 11, part of rice husk ash after the combustion of rice husk ash is settled and enters into the melting reaction chamber 11, the carbon content of the rice husk ash is 22.6%, the rice husk ash which is not settled enters into a gas-solid material device 15 along with the flue gas to carry out gas-solid separation, the separated rice husk ash returns to the combustion chamber 7 through a return separator 18, and falls into a melting reaction chamber 11, the flue gas enters a flue gas chamber 6, one part of the flue gas enters a pyrolysis chamber 3, and the other part of the flue gas enters an activation settling tube 8;
3) the gas burner 10 and the combustion-supporting air are sprayed and combusted, the combustion-supporting air is rich oxygen with the oxygen content of 90 percent, the temperature in the melting reaction chamber 11 is controlled at 1450 ℃, the rice hull ash and the ingredients in the melting reaction chamber 11 are heated to a molten state, and the molten state materials carry granular activated carbon to be discharged from the bottom of the melting reaction chamber 11;
4) the mixture of the molten material and the active carbon is molded into blank buttock by a mold, and the blank buttock is cut and polished to form the plate-shaped environment-friendly wall decoration material.
5) The environment-friendly wall surface decoration material produced by the invention is stuck to two groups of same rooms, an experimental room, common wall bricks are stuck to a contrast room, the same amount of formaldehyde is introduced simultaneously, and the concentration of the formaldehyde in the two groups of rooms is adjusted to 20mg/m3After 2h, the formaldehyde concentration in the control room was reduced to 15.3mg/m3And the concentration of formaldehyde in the experimental room is 0.06mg/m3The formaldehyde removal effect is obvious.
6) Through detection, the produced environment-friendly wall decoration material has high glossiness, and the strength and the hardness of the environment-friendly wall decoration material are 2-3 times of those of common wall bricks.
Example 2
1) Bamboo chips with ash content of 0.6% and particle size of 3cm are added into a pyrolysis chamber 3 from a raw material inlet pipe 2, ceramic balls with particle size of 2mm are added into the pyrolysis chamber 3 from a bed material inlet pipe 12, flue gas passes through an air cap 4 from a flue gas chamber 6, the flue gas realizes fluidization of an active carbon raw material and the bed material, the active carbon raw material is subjected to pyrolysis reaction in the pyrolysis chamber 3, the pyrolysis reaction temperature is 680 ℃, the active carbon raw material is crushed into small-particle carbonized material under the fluidization effect of the bed material in the pyrolysis process, the carbonized material falls into an activation settling pipe 8, the fuel gas and the flue gas generated by the pyrolysis reaction are mixed to form mixed fuel gas, the mixed fuel gas is divided into three paths, the first path is used as a production heat source, the second path enters a return feeder 18 as return air, and the third path enters a fuel gas combustor 10;
2) the rice husk is pulverized and then sprayed out from a fuel burner 9 to have a combustion reaction with air, the air excess coefficient of the fuel burner 9 is controlled to be 0.75, the heat released by the combustion reaction exchanges heat with a carbonized material in an activation settling tube 8 to heat the carbonized material, part of flue gas discharged from a flue gas chamber 6 enters from the lower part of the activation settling tube 8, the steam in the flue gas and the carbonized material have an activation reaction to activate the carbonized material to generate granular activated carbon, feldspar powder is added from a batching inlet tube 17, the batching is heated by the flue gas and then falls into a melting reaction chamber 11, the granular activated carbon is discharged into the melting reaction chamber 11, part of rice husk ash after the combustion of the rice husk ash is settled and enters into the melting reaction chamber 11, the carbon content of the rice husk ash is 20.6%, the rice husk ash which is not settled enters into a gas-solid material device 15 along with the flue gas to carry out gas-solid separation, the separated rice husk ash returns to the combustion chamber 7 through a return separator 18, and falls into a melting reaction chamber 11, the flue gas enters a flue gas chamber 6, one part of the flue gas enters a pyrolysis chamber 3, and the other part of the flue gas enters an activation settling tube 8;
3) the gas burner 10 and the combustion-supporting air are sprayed and combusted, the combustion-supporting air is pure oxygen, the temperature in the melting reaction chamber 11 is controlled at 1490 ℃, the rice hull ash and the ingredients in the melting reaction chamber 11 are heated to a molten state, and the molten state material carries the granular activated carbon to be discharged from the bottom of the melting reaction chamber 11;
4) the mixture of the molten material and the active carbon is molded into blank buttock by a mold, and the blank buttock is cut and polished to form the plate-shaped environment-friendly wall decoration material.
5) The environment-friendly wall surface decoration material produced by the invention is stuck to two groups of same rooms, an experimental room, common wall bricks are stuck to a contrast room, the same amount of formaldehyde is introduced simultaneously, and the concentration of the formaldehyde in the two groups of rooms is adjusted to 20mg/m3After 2h, the formaldehyde concentration in the control room was reduced to 15.9mg/m3While the concentration of formaldehyde in the experimental room is 0.04mg/m3The formaldehyde removal effect is obvious.
6) Through detection, the produced environment-friendly wall decoration material has high glossiness, and the strength and the hardness of the environment-friendly wall decoration material are 2-3 times of those of common wall bricks.
Example 3
1) Coconut shells with ash content of 0.8% and particle size of 3cm are added into a pyrolysis chamber 3 from a raw material inlet pipe 2, alumina balls with particle size of 3mm are added into the pyrolysis chamber 3 from a bed material inlet pipe 12, flue gas passes through a hood 4 from a flue gas chamber 6, the flue gas realizes fluidization of activated carbon raw materials and bed materials, the activated carbon raw materials are subjected to pyrolysis reaction in the pyrolysis chamber 3, the temperature of the pyrolysis reaction is 650 ℃, the activated carbon raw materials are crushed into small-particle carbonized materials under the fluidization action of the bed materials in the pyrolysis process, the carbonized materials fall into an activation settling pipe 8, gas and flue gas generated by the pyrolysis reaction are mixed to form mixed gas, the mixed gas is divided into three paths, the first path is used as a production heat source, the second path enters a return feeder 18 as return air, and the third path enters a gas combustor 10;
2) rice hulls are pulverized and then ejected from a fuel burner 9 to have a combustion reaction with air, the air excess coefficient of the fuel burner 9 is controlled to be 0.8, heat emitted by the combustion reaction exchanges heat with a carbonized material in an activation settling tube 8, the carbonized material is heated, part of flue gas discharged from a flue gas chamber 6 enters from the lower part of the activation settling tube 8, water vapor in the flue gas and the carbonized material have an activation reaction, the carbonized material is activated to generate granular activated carbon, quartz sand and feldspar powder are added from a proportioning inlet tube 17, the proportioning is heated by the flue gas and then falls into a melting reaction chamber 11, the granular activated carbon is discharged into the melting reaction chamber 11, part of rice hull ash burnt by a rice hull separator is settled and enters into the melting reaction chamber 11, the carbon content of the rice hull ash is 15%, the rice hull ash which is not settled enters into a gas-solid 15 along with the flue gas to be subjected to gas-solid separation, the separated rice hull ash returns to the combustion chamber 7 through a material returning device 18, and falls into a melting reaction chamber 11, the flue gas enters a flue gas chamber 6, one part of the flue gas enters a pyrolysis chamber 3, and the other part of the flue gas enters an activation settling tube 8;
3) the gas burner 10 and the combustion-supporting air are sprayed and combusted, the combustion-supporting air is rich oxygen with the oxygen content of 88 percent, the temperature in the melting reaction chamber 11 is controlled at 1400 ℃, the rice hull ash and the ingredients in the melting reaction chamber 11 are heated to a molten state, and the molten state materials carry granular activated carbon to be discharged from the bottom of the melting reaction chamber 11;
4) the mixture of the molten material and the active carbon is molded into blank buttock by a mold, and the blank buttock is cut and polished to form the plate-shaped environment-friendly wall decoration material.
5) The environment-friendly wall surface decoration material produced by the invention is stuck to two groups of same rooms, an experimental room, common wall bricks are stuck to a contrast room, the same amount of formaldehyde is introduced simultaneously, and the concentration of the formaldehyde in the two groups of rooms is adjusted to 20mg/m3After 2h, the formaldehyde concentration in the control room was reduced to 14.8mg/m3While the concentration of formaldehyde in the experimental room is 0.07mg/m3The formaldehyde removal effect is obvious.
6) Through detection, the produced environment-friendly wall decoration material has high glossiness, and the strength and the hardness of the environment-friendly wall decoration material are 2-3 times of those of common wall bricks.
Technical solution of the invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other occasions without modification.

Claims (9)

1. An environment-friendly wall decoration material production system comprises: pyrolysis chamber (3), flue gas room (6), combustion chamber (7), melting reaction chamber (11), its characterized in that: the flue gas chamber (6) is fixed at the bottom of the pyrolysis chamber (3), the combustion chamber (7) is fixed at the bottom of the flue gas chamber (6), the melting reaction chamber (11) is arranged at the bottom of the combustion chamber (7), the flue gas chamber (6) and the pyrolysis chamber (3) are separated by an air distribution plate (13), a plurality of groups of air caps (4) are fixed on the air distribution plate (13), the flue gas chamber (6) is communicated with the pyrolysis chamber (3) through the air caps (4), the combustion chamber (7) and the flue gas chamber (6) are separated by a partition plate (16), a plurality of groups of activation settling tubes (8) are uniformly distributed and fixed on the air distribution plate (13) and the partition plate (16), the upper part of the activation settling tube (8) is inserted into the pyrolysis chamber (3), the upper end of the activation settling tube (8) is of a cone-shaped structure, and the lower part of the activation settling tube (8) passes through the combustion chamber (7) and is inserted into the melting reaction chamber (11), the fuel combustor (9) is fixed on the side wall of the lower portion of the combustion chamber (7), the gas combustor (10) is fixed on the side wall of the lower end of the combustion chamber (7), the gas combustor (10) is arranged obliquely downwards, a flue gas outlet pipe at the upper portion of the combustion chamber (7) is connected with an inlet pipe of the gas-solid separator (15), a discharge pipe at the bottom of the gas-solid separator (15) is connected with an inlet pipe at the upper portion of the material returning device (18), and an outlet pipe at the side portion of the material returning device (18) is connected with a material returning pipe at the side portion of the combustion chamber (7).
2. The environment-friendly wall decoration material production system of claim 1, wherein: the device is characterized in that a raw material inlet pipe (2) and a bed material inlet pipe (12) are fixed on the side wall of the pyrolysis chamber (3), a gas outlet pipe (1) is fixed at the top of the pyrolysis chamber (3), and the gas outlet pipe (1) is connected with a gas inlet pipe of a material returning air inlet pipe of a material returning device (18) and a gas burner (10) through a pipeline.
3. The environment-friendly wall decoration material production system of claim 1, wherein: the gas outlet pipe of the gas-solid separator (15) is connected with a middle flue gas inlet pipe (14) fixed on the side part of the flue gas chamber (6), and the middle flue gas outlet pipe (5) on the side part of the flue gas chamber (6) is connected with the lower part of the activation settling pipe (8) through a pipeline.
4. The environment-friendly wall decoration material production system of claim 1, wherein: and a batching inlet pipe (17) is fixed on the side wall of the upper part of the combustion chamber (7).
5. The production method of the environment-friendly wall covering material production system as set forth in any one of claims 1 to 4, comprising the steps of:
1) activated carbon raw materials are added into a pyrolysis chamber (3) from a raw material inlet pipe (2), bed materials are added into the pyrolysis chamber (3) from a bed material inlet pipe (12), smoke passes through a hood (4) from a smoke chamber (6), the fluidization of the activated carbon raw materials and the bed materials is realized by the smoke, the activated carbon raw materials are subjected to pyrolysis reaction in the pyrolysis chamber (3), the activated carbon raw materials are crushed into small-particle carbonized materials under the fluidization effect of the bed materials in the pyrolysis process, the carbonized materials fall into an activation settling pipe (8), gas generated by the pyrolysis reaction and the smoke are mixed to form mixed gas, the mixed gas is divided into three paths, the first path leaves a system to be used as a production heat source, the second path enters a return feeder (18) to be used as return air, and the third path enters a gas burner (10);
2) rice hulls are pulverized and then sprayed out from a fuel burner (9) to have a combustion reaction with air, heat emitted by the combustion reaction exchanges heat with a carbonized material in an activation settling tube (8), the carbonized material is heated, partial flue gas discharged from a flue gas chamber (6) enters from the lower part of the activation settling tube (8), water vapor in the flue gas has an activation reaction with the carbonized material, the carbonized material is activated to generate granular activated carbon, ingredients are added from an ingredient inlet tube (17), the ingredients are heated by the flue gas and then fall into a melting reaction chamber (11), the granular activated carbon is discharged into the melting reaction chamber (11), part of rice hull ash after the combustion of rice hull powder is settled and enters the melting reaction chamber (11), the rice hull ash which is not settled enters a gas-solid separator (15) along with the flue gas to carry out gas-solid separation, the separated rice hull ash returns to a combustion chamber (7) through a material returning device (18) and falls into the melting reaction chamber (11), the flue gas enters a flue gas chamber (6), one part of the flue gas enters the pyrolysis chamber (3), and the other part of the flue gas enters an activation settling tube (8);
3) the gas burner (10) and the combustion-supporting air are sprayed and combusted, the rice hull ash and the ingredients in the melting reaction chamber (11) are heated to a molten state, and the molten state material carries the granular activated carbon to be discharged from the bottom of the melting reaction chamber (11);
4) the mixture of the molten material and the active carbon is molded into blank weights by a mold, and the blank weights are cut and polished to form the plate-shaped environment-friendly wall decoration material;
in the step 2), the ingredients are one or two of quartz sand and feldspar powder.
6. The production method of the environment-friendly wall surface decoration material production system as claimed in claim 5, wherein: in the step 1), the activated carbon raw material is wood chips, bamboo chips or coconut shells with ash content lower than 1%.
7. The production method of the environment-friendly wall surface decoration material production system as claimed in claim 5, wherein: in the step 1), the bed material is ceramic balls or alumina pellets, and the particle size of the bed material is 1.5-3 mm.
8. The production method of the environment-friendly wall surface decoration material production system as claimed in claim 5, wherein: in the step 2), when the fuel burner (9) burns, the air excess coefficient is 0.7-0.8.
9. The production method of the environment-friendly wall surface decoration material production system as claimed in claim 5, wherein: in the step 3), the combustion-supporting air is oxygen-enriched or pure oxygen.
CN202010372158.7A 2020-05-06 2020-05-06 Production system and method of environment-friendly wall decoration material Expired - Fee Related CN111715181B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010372158.7A CN111715181B (en) 2020-05-06 2020-05-06 Production system and method of environment-friendly wall decoration material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010372158.7A CN111715181B (en) 2020-05-06 2020-05-06 Production system and method of environment-friendly wall decoration material

Publications (2)

Publication Number Publication Date
CN111715181A CN111715181A (en) 2020-09-29
CN111715181B true CN111715181B (en) 2022-04-12

Family

ID=72563717

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010372158.7A Expired - Fee Related CN111715181B (en) 2020-05-06 2020-05-06 Production system and method of environment-friendly wall decoration material

Country Status (1)

Country Link
CN (1) CN111715181B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106145111A (en) * 2016-08-05 2016-11-23 宁波金特信钢铁科技有限公司 A kind of method preparing mesopore activated carbon with Plastic pyrolysis products

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH642435A5 (en) * 1979-08-09 1984-04-13 Von Roll Ag Combined combustion and melting furnace for solid, pasty and liquid waste materials
CN1039000A (en) * 1988-06-30 1990-01-24 南京林业大学 Rice hull ash coproduction water glass and gac
US8034741B2 (en) * 2005-11-09 2011-10-11 Gore Enterprise Holdings, Inc. Capture of mercury from a gaseous mixture containing mercury
DK1988228T3 (en) * 2007-05-03 2020-07-13 Evonik Operations Gmbh Building blocks and building systems with hydrophobic, microporous thermal insulation and manufacturing methods
KR100966486B1 (en) * 2007-08-28 2010-06-29 (주)엘지하우시스 Tile for removing formaldehyde and process for preparing the same
AU2016200488B2 (en) * 2008-04-30 2018-01-25 Xyleco, Inc. Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials by irradiation
US20120061618A1 (en) * 2010-09-11 2012-03-15 James Santoianni Plasma gasification reactors with modified carbon beds and reduced coke requirements
CN104005306B (en) * 2014-05-20 2016-04-27 安徽紫荆花壁纸股份有限公司 Multi-functional composite wall paper
CN105885950B (en) * 2016-05-20 2019-04-26 北京化工大学 A kind of three combination pyrolytic gasifications of solid waste and coke tar cracking integral system
CN106196080A (en) * 2016-07-13 2016-12-07 北京保利洁科技发展有限公司 A kind of method of solid waste resource recovery
CN109748493A (en) * 2016-07-14 2019-05-14 浙江富通光纤技术有限公司 The preparation method of optical fiber jacket
CN108790386B (en) * 2016-11-29 2022-03-08 安徽紫荆花壁纸股份有限公司 Wall cloth serialization system of processing
CN206478648U (en) * 2017-02-20 2017-09-08 长沙超梵环境科技有限公司 Domestic garbage pyrolysis gasification flying dust direct-fusing apparatus
CN109028070B (en) * 2018-05-24 2020-08-28 陕西志清宇泰环保设备有限公司 Harmless treatment method for flue gas of garbage combustion furnace
CN110056882B (en) * 2019-04-14 2020-08-14 山西熔融环保科技有限公司 Molten salt garbage treatment system and method based on heat accumulating type combustion
CN109931615A (en) * 2019-04-23 2019-06-25 宝钢工程技术集团有限公司 A kind of industrial and municipal solid waste melt pyrolysis system
CN209991462U (en) * 2019-04-26 2020-01-24 中国瑞林工程技术股份有限公司 Incinerator for treating waste
CN111059541A (en) * 2019-12-20 2020-04-24 湖南华仁宏顺科技有限公司 Oil-gas direct-combustion heating garbage multistage pyrolysis system and garbage pyrolysis treatment method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106145111A (en) * 2016-08-05 2016-11-23 宁波金特信钢铁科技有限公司 A kind of method preparing mesopore activated carbon with Plastic pyrolysis products

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
喷流-移动床RDF热解燃烧温度和气体分布;王志奇等;《化工学报》;20030130(第01期);第74-79页 *

Also Published As

Publication number Publication date
CN111715181A (en) 2020-09-29

Similar Documents

Publication Publication Date Title
CN101869800B (en) Method and system for purifying flue gas generated by incinerating waste materials
CN101224972A (en) Lightweight ceramicite and preparation method thereof
TW200709844A (en) Scrubber for processing semiconductor waste gas
CN109679672A (en) A kind of reaction system and its method of catalytic pyrolysis organic solid castoff preparing gas fuel
CN1221777A (en) Method and appts. for producing medium-heat value combustible gas from oxygen gasified of biological substances
KR100912663B1 (en) Charcoal using coconut shells and method for manufacturing the same
CA2115791A1 (en) Activated carbon and production thereof
CN111715181B (en) Production system and method of environment-friendly wall decoration material
CN101993733A (en) Novel municipal solid waste pyrolysis gasification furnace
US20100263271A1 (en) Clean burning bio-coal
CN100506404C (en) Treating process and system for garbage incinerated ash
CN105731988A (en) Coal gangue brick and preparation method thereof
KR100900330B1 (en) Plant growth promoting and purifing poruos bioceramic process for its preparation recycling waste sand and dust in iron foundry
CN205473608U (en) Downdraft fixed bed gasification steam electric power coproduction device
CN108659908B (en) Energy-saving environment-friendly biomass fuel
CN1338314A (en) Non-smoke sanitary incense with bamboo stick
CN209857020U (en) Biomass energy heat supply system
CN111550792B (en) Waste treatment comprehensive utilization system and method for wallpaper processing
CN111249808B (en) Device and process for jointly removing dioxin and dust in waste gasified gas
CN105586102B (en) A kind of high heating value is without sulphur emissions clean fuel
KR20040071095A (en) Moxa bar for moxibustion
CN216203296U (en) Device for ultralow emission of amorphous carbon and organic pollutants in boiler flue gas
CN213019600U (en) High-efficient clean burner
CN109458620A (en) Reduce the compound additive and its application method of sludge incineration fine particle production quantity
CN217613756U (en) Magnetic material granule material production exhaust treatment system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20220321

Address after: 200000 floor 3, building 2, No. 200, zhangheng Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai

Applicant after: Kangruiliqi environmental protection technology (Shanghai) Co.,Ltd.

Address before: 245000 Huangshan Economic Development Zone, Anhui Province

Applicant before: ANHUI BAUHINIA WALLPAPER CO.,LTD.

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220412