CN217302806U - Integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass - Google Patents

Integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass Download PDF

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CN217302806U
CN217302806U CN202220968963.0U CN202220968963U CN217302806U CN 217302806 U CN217302806 U CN 217302806U CN 202220968963 U CN202220968963 U CN 202220968963U CN 217302806 U CN217302806 U CN 217302806U
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combustion chamber
integrated device
vocs
waste heat
chamber
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韩奎华
王昊
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Shandong University
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Shandong University
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    • 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
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Abstract

The utility model relates to a VOCs exhaust-gas treatment technical field especially relates to utilize living beings gasification to administer VOCs and waste heat utilization's integrated device. The artificial board waste gas boiler comprises a combustion chamber and a collecting chamber arranged at the lower part of the combustion chamber, wherein refractory concrete is arranged on the inner walls of the combustion chamber and the collecting chamber, the refractory concrete forms a conical hopper at the upper part of the combustion chamber, an end cover is arranged at the upper end of the combustion chamber, an air inlet pipe for injecting artificial board waste gas for producing VOCs (volatile organic compounds) into the combustion chamber is arranged on the end cover, a fire grate is arranged at the lower part of the combustion chamber, and the fire grate is detachably connected with the refractory concrete; the collecting chamber is located under the fire grate, an ash falling pipe is arranged at an outlet of the collecting chamber, and an electric ash discharging mechanism is arranged at an outlet end of the ash falling pipe. The technical scheme is used for solving the problems that in the prior art, when waste materials generated in the production process of the artificial board are treated, the treatment process and the process are complex, the treatment effect is poor, and the emission requirement is difficult to meet.

Description

Integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass
Technical Field
The utility model relates to a VOCs exhaust-gas treatment technical field especially relates to utilize living beings gasification to administer VOCs and waste heat utilization's integrated device.
Background
In the production process of the artificial board, more waste materials such as leftover materials, dust and VOCs waste gas are generated, wherein the pollution of artificial board production enterprises in the waste gas aspect mainly comprises the working procedures of drying, hot pressing, saw cutting, sanding and the like. The waste gas pollutants generated in the drying and hot pressing procedures are mainly free formaldehyde, free phenols and non-methane total hydrocarbon; the sawing and sanding processes generate dust.
Along with the increasingly strict emission requirements of the artificial board industry, the emission of waste materials and VOCs waste gases generated in the artificial board manufacturing process needs to meet the standard requirements through related treatment means and equipment, namely the emission concentration of particulate matters is less than or equal to 10mg/m 3 The formaldehyde emission concentration is less than or equal to 5mg/m 3 The discharge concentration of phenols is less than or equal to 10mg/m 3 The emission concentration of non-methane total hydrocarbon is less than or equal to 50mg/m 3 . Therefore, the waste materials generated in the production process of the artificial board need to be treated and then discharged, and the conventional treatment mode is to separately treat the waste materials and the VOCs waste gases, so that the treatment process and the treatment process are complex, the treatment effect is poor, and the discharge requirement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
Not enough to the above-mentioned technique, the utility model aims to provide an utilize biomass gasification to administer VOCs and waste heat utilization's integrated device for when solving waste material and VOCs waste gas that prior art produced in the artificial board production process and handling, the process and the technology of handling are complicated, and the treatment effect is not good, are difficult to satisfy the problem of emission requirement.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass comprises a combustion chamber and a collecting chamber arranged at the lower part of the combustion chamber, wherein refractory concrete is arranged on the inner walls of the combustion chamber and the collecting chamber, a conical hopper is formed on the upper part of the combustion chamber by the refractory concrete, an end cover is arranged at the upper end of the combustion chamber, an air inlet pipe for injecting artificial boards into the interior of the combustion chamber to produce VOCs waste gas is arranged on the end cover, a fire grate is arranged at the lower part of the combustion chamber, and the fire grate is detachably connected with the refractory concrete;
the collecting chamber is positioned right below the fire grate, an ash falling pipe is arranged at an outlet of the collecting chamber, an electric ash discharging mechanism is arranged at an outlet end of the ash falling pipe, an air guide pipe with one end communicated with the inside of the combustion chamber is arranged on the outer side surface of the combustion chamber, and an air collecting box is arranged at the other end of the air guide pipe; the combustor is characterized by further comprising a feeding mechanism arranged outside the combustion chamber, wherein the discharging end of the feeding mechanism extends to the inside of the end cover and is located above the conical hopper.
The principle that this device produced the waste material in the artificial board production process of handling among this technical scheme is:
at first through adding waste materials such as leftover bits in the wood-based plate production process, the particulate matter, dust and biomass waste (straw) into the combustion chamber, make it produce the gasification gas in the combustion chamber, in this process, add some of the VOCs waste gas that produces in the wood-based plate production process into the combustion chamber, act as the required air of reaction in the combustion chamber, make VOCs waste gas realize the primary combustion processing, discharge the gasification gas that produces in another part VOCs waste gas and the combustion chamber to the combustor together simultaneously, make the two mix the burning and heat the boiler, make the boiler produce and be used for producing required steam in the wood-based plate, can make VOCs waste gas realize the secondary combustion processing, make VOCs waste gas reach emission standard.
Further inject, the inside of combustion chamber still is equipped with broken burnt mechanism, broken burnt mechanism is used for stirring the decoking to interior waste material on the combustion chamber inner wall.
Further limiting, an ash removal door mechanism is arranged between the combustion chamber and the material collection chamber, and the ash removal door mechanism is positioned below the fire grate.
Further limited, the outside of the combustion chamber is provided with a water wall mechanism, the water wall mechanism comprises a coil pipe arranged outside the combustion chamber, and the coil pipe is provided with a water inlet, a water outlet and a sewage outlet.
Further limit, be equipped with the stand that supports combustion chamber and collecting chamber on the lateral surface of collecting chamber.
Further limited, the feeding mechanism is a spiral conveying mechanism.
Further limiting, an installation notch is formed in the fireproof concrete at the lower portion of the combustion chamber, a fire grate support is arranged in the installation notch, a fire grate support ring is arranged on the fire grate support, and the fire grate is placed on the fire grate support ring.
Further inject, be equipped with on the outer wall of combustion chamber and dial fire door mechanism, dial fire door mechanism and be used for stirring the waste material in the combustion chamber.
Further limit, broken burnt mechanism includes worm gear, the pivot of being connected with worm gear, sets up broken burnt board at the pivot tip, sets up the epaxial bearing in the pivot to and be used for driving the rotatory rotating electrical machines of worm.
Further defined, the bearing is a ceramic bearing.
The technical effect that this technical scheme got is as follows:
(1) the device in the technical scheme has a simple structure, performs centralized treatment on waste materials and VOCs waste gas generated in the production process of the artificial board, has a good treatment effect, can produce heat energy when treating the VOCs waste gas, and realizes beneficial utilization of the VOCs waste gas;
(2) agricultural and forestry wastes are utilized as raw materials in the combustion chamber, pollution of agricultural rural areas is reduced, and meanwhile, the bottom after combustion in the combustion chamber can also be used for agriculture. .
Drawings
Fig. 1 is a schematic structural diagram of the apparatus according to this embodiment.
The device comprises a combustion chamber 1, a material collection chamber 2, refractory concrete 3, a grate support 4, a grate supporting ring 5, a grate 6, a coke breaking mechanism 7, a feeding mechanism 8, a water-cooled wall mechanism 9, an ash cleaning door mechanism 10, an ash falling pipe 11, an electric ash discharging mechanism 12, a stand column 13, a fire door poking mechanism 14 and an air inlet pipe 15.
Detailed Description
The following is further detailed by way of specific embodiments:
an integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass comprises a combustion chamber 1 and a collecting chamber 2 arranged at the lower part of the combustion chamber 1, wherein the combustion chamber 1 and the collecting chamber 2 are composed of a shell, refractory concrete 3 is arranged on the inner walls of the combustion chamber 1 and the collecting chamber 2, the refractory concrete 3 forms a conical hopper at the upper part of the combustion chamber 1, an end cover is arranged at the upper end of the combustion chamber 1, an air inlet pipe 15 for injecting artificial board production waste gas into the combustion chamber 1 is arranged on the end cover, a grate 6 is arranged at the lower part of the combustion chamber 1, the grate 6 is detachably connected with the refractory concrete 3, specifically, an installation notch is arranged on the refractory concrete 3 at the lower part of the combustion chamber 1, a grate support 4 is arranged in the installation notch, a grate support ring 5 is arranged on the grate support ring 4, and the grate 6 is placed on the grate support ring 5;
the collecting chamber 2 is located right below the fire grate 6, an ash falling pipe 11 is arranged at an outlet of the collecting chamber 2, and an electric ash discharging mechanism 12 is arranged at an outlet end of the ash falling pipe 11, in the specific embodiment, the electric ash discharging mechanism 12 can be a push rod motor, an ash collecting cavity and a scraper plate, the push rod motor can pull ash in the ash collecting wall to the outside by controlling the movement of the scraper plate, the specific installation mode is a common technology in the technical field, and not described in much detail herein, an air guide pipe with one end communicated with the inside of the combustion chamber 1 is arranged on the outer side surface of the combustion chamber 1, and an air collecting box is arranged at the other end of the air guide pipe;
still including setting up in the feed mechanism 8 in the 1 outside of combustion chamber, the discharge end of feed mechanism 8 extends to the inside of end cover, and be located the top of toper hopper, in this embodiment, feed mechanism 8 is spiral transport mechanism, spiral transport mechanism specifically includes the transport pipe, the inside of transport pipe is equipped with helical blade, the upper end of transport pipe is equipped with the rotating electrical machines that is used for driving helical blade is rotatory, the lower extreme of transport pipe is equipped with rather than the waste material fill of inside intercommunication, the upper end of transport pipe is equipped with row's material pipe, row's material pipe discharges the waste material to combustion chamber 1 in.
The inside of combustion chamber 1 still is equipped with broken burnt mechanism 7, and broken burnt mechanism 7 is used for stirring the decoking to interior waste material on the 1 inner wall of combustion chamber, and broken burnt mechanism 7 includes worm gear, the pivot of being connected with worm gear, sets up at the broken burnt board of pivot tip, sets up at the epaxial bearing of commentaries on classics to and be used for driving worm pivoted rotating electrical machines, the bearing is ceramic bearing, because ceramic bearing is high temperature resistant. It should be noted that the coke breaking mechanism 7 is provided to stir the waste on the inner wall of the refractory concrete 3 in the combustion chamber 1 to prevent the waste from coking on the inner wall.
Be equipped with clear meeting door mechanism 10 between combustion chamber 1 and the collecting chamber 2, clear meeting door mechanism 10 is located the below of grate 6, and clear meeting door mechanism 10 is including setting up the deashing door at 1 outer wall of combustion chamber, and the deashing door is opened the back and is communicate with combustion chamber 1 is inside, can be artifical clears up the dust after the waste material burns on grate 6 through drawing tools such as ash pole, also can set up to automatic deashing mechanism certainly, can design according to actual conditions.
The outer side of the combustion chamber 1 is provided with a water wall mechanism 9, the water wall mechanism 9 comprises a coil pipe arranged on the outer side of the combustion chamber 1, and the coil pipe is provided with a water inlet, a water outlet and a sewage outlet. It should be noted that the water-cooled wall is used for absorbing the radiant heat of the high-temperature flame or flue gas in the furnace, generating steam or hot water in the tube, reducing the temperature of the furnace wall, protecting the furnace wall, and certainly includes other mechanisms such as a water pump, etc., which are not described herein again.
Be equipped with the stand 13 that supports combustion chamber 1 and collecting chamber 2 on the lateral surface of collecting chamber 2, be convenient for support collecting chamber 2 and leave the bottom surface, be convenient for install devices such as ash discharging mechanism.
Be equipped with on the outer wall of combustion chamber 1 and dial fire door mechanism 14, dial fire door mechanism 14 and be used for stirring the waste material in the combustion chamber 1, it needs to explain that dial fire door mechanism 14 is including setting up the fire door of dialling on grate 6, and staff's accessible external tool stirs the waste material of inside, and the upset makes the waste material can contact abundant oxygen, guarantees its abundant burning.
It should be noted that, in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (10)

1. The integrated device for treating VOCs and utilizing waste heat by utilizing biomass gasification is used for treating waste materials and VOCs waste gas generated in the production process of artificial boards, and is characterized by comprising a combustion chamber and a collecting chamber arranged at the lower part of the combustion chamber, wherein the inner walls of the combustion chamber and the collecting chamber are respectively provided with refractory concrete, the refractory concrete forms a conical hopper at the upper part of the combustion chamber, the upper end of the combustion chamber is provided with an end cover, the end cover is provided with an air inlet pipe for injecting the artificial boards into the combustion chamber to produce the VOCs waste gas, the lower part of the combustion chamber is provided with a grate, and the grate is detachably connected with the refractory concrete;
the collecting chamber is positioned right below the fire grate, an ash falling pipe is arranged at an outlet of the collecting chamber, an electric ash discharging mechanism is arranged at an outlet end of the ash falling pipe, an air guide pipe with one end communicated with the inside of the combustion chamber is arranged on the outer side surface of the combustion chamber, and an air collecting box is arranged at the other end of the air guide pipe; the combustor is characterized by further comprising a feeding mechanism arranged outside the combustion chamber, wherein the discharging end of the feeding mechanism extends to the inside of the end cover and is located above the conical hopper.
2. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 1, wherein a coke breaking mechanism is further arranged inside the combustion chamber, and the coke breaking mechanism is used for stirring and decoking the inner waste on the inner wall of the combustion chamber.
3. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 1, wherein an ash removal door mechanism is arranged between the combustion chamber and the material collection chamber, and the ash removal door mechanism is positioned below the fire grate.
4. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 1, wherein a water wall mechanism is arranged outside the combustion chamber, the water wall mechanism comprises a coil arranged outside the combustion chamber, and the coil is provided with a water inlet, a water outlet and a sewage outlet.
5. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 1, wherein the outer side of the material collecting chamber is provided with a column for supporting the combustion chamber and the material collecting chamber.
6. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 1, wherein the feeding mechanism is a screw conveying mechanism.
7. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 1, wherein an installation notch is formed in the refractory concrete at the lower part of the combustion chamber, a grate support is arranged in the installation notch, a grate supporting ring is arranged on the grate support, and the grate is placed on the grate supporting ring.
8. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 1, wherein a fire door stirring mechanism is arranged on the outer wall of the combustion chamber and is used for stirring waste materials in the combustion chamber.
9. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 2, wherein the coke breaking mechanism comprises a worm gear, a rotating shaft connected with the worm gear, a coke breaking plate arranged at the end of the rotating shaft, a bearing arranged on the rotating shaft, and a rotating motor for driving the worm to rotate.
10. The integrated device for treating VOCs and utilizing waste heat through biomass gasification according to claim 9, wherein the bearings are ceramic bearings.
CN202220968963.0U 2022-04-25 2022-04-25 Integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass Active CN217302806U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220968963.0U CN217302806U (en) 2022-04-25 2022-04-25 Integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220968963.0U CN217302806U (en) 2022-04-25 2022-04-25 Integrated device for treating VOCs (volatile organic compounds) and utilizing waste heat by gasifying biomass

Publications (1)

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CN217302806U true CN217302806U (en) 2022-08-26

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Country Status (1)

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CN (1) CN217302806U (en)

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