CN218787561U - Waste gas incinerator capable of treating waste rubber - Google Patents
Waste gas incinerator capable of treating waste rubber Download PDFInfo
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- CN218787561U CN218787561U CN202222707430.XU CN202222707430U CN218787561U CN 218787561 U CN218787561 U CN 218787561U CN 202222707430 U CN202222707430 U CN 202222707430U CN 218787561 U CN218787561 U CN 218787561U
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Abstract
The utility model discloses a waste gas incinerator capable of processing waste rubber, which comprises a direct burning section, a fluidization volatilization section, a first-level cracking section and a second-level cracking section, wherein the direct burning section, the fluidization volatilization section, the first-level cracking section and the second-level cracking section are sequentially connected in series; the fluidized volatilization section, the primary cracking section and the secondary cracking section are respectively separated by a heat storage fire barrier; the front end of the direct combustion section is provided with a burner interface, and the top or the side part of the direct combustion section is provided with a waste gas inlet; the top or the side part of the fluidized volatilization section is provided with a waste rubber feeding port, and a fluidized bed is arranged inside the fluidized volatilization section; and a waste gas outlet is formed in the secondary cracking section. The utility model discloses when realizing effectively the schizolysis with waste gas, the waste rubber and the waste material that can also produce in the effective processing production process both can eliminate because of piling up the potential safety hazard that brings admittedly useless, can regard the waste rubber as the operation energy consumption that supplementary fuel reduces equipment again, and waste gas and waste rubber can discharge to reach standard after handling moreover.
Description
Technical Field
The utility model relates to a waste gas burns burning furnace, especially relates to a but waste gas burns burning furnace of synchronous processing waste rubber.
Background
The waste gas that produces can seriously harm health in the industrial production, therefore waste gas need handle can discharge in the air, and common practice is leading-in waste gas burns in the incinerator, and waste gas incinerator utilizes the produced heat of auxiliary fuel burning, increases the combustible waste gas temperature to the oxidative cracking temperature to stay for a certain time in the stove, thereby realizes the purpose of purifying waste gas, in order to reduce industrial production to the destruction of natural environment and to the harm of health.
The traditional waste gas incinerator is suitable for waste gas treatment of coating, gum dipping and other equipment, and harmful gas purification emitted by petrochemical industry, medical treatment, building material and other industries. However, in the production process of the industries, various waste rubber and material residues are generated by cleaning equipment, and the main components of the waste rubber are organic combustible substances. If left untreated for a long time, these solid wastes accumulate in the plant and pose a safety hazard. At present, the waste gas incinerator applied in the industry can only treat waste gas, but cannot treat organic waste glue and waste materials generated by the upstream process.
Disclosure of Invention
Utility model purpose: to above problem, the utility model provides a can handle waste gas of cull burns burning furnace when realizing that waste gas discharge to reach standard, can also synchronous processing production in-process produced cull and waste material, solved the cull and stacked the potential safety hazard problem of existence, can use the cull to reduce the system operation energy consumption as fuel simultaneously
The technical scheme is as follows: the waste gas incinerator capable of processing waste rubber comprises a direct burning section, a fluidization volatilization section, a first-level cracking section and a second-level cracking section, wherein the direct burning section, the fluidization volatilization section, the first-level cracking section and the second-level cracking section are sequentially connected in series; the fluidized volatilization section, the primary cracking section and the secondary cracking section are respectively separated by a heat storage fire barrier; the front end of the direct combustion section is provided with a burner interface, and the top or the side part of the direct combustion section is provided with a waste gas inlet; the top or the side part of the fluidized volatilization section is provided with a waste rubber feeding port, and a fluidized bed is arranged inside the fluidized volatilization section; and a waste gas outlet is formed in the secondary cracking section.
Furthermore, the fluidized bed is a hole-shaped fluidized bed and is used as a supporting body for burning the waste rubber in the furnace while increasing the gas disturbance effect
Furthermore, the fluidization volatilization section is a Venturi scaling structure, so that the gas turbulence effect can be improved, and the disturbance can be increased.
Furthermore, an exhaust gas turbulence device is arranged in the direct combustion section and is a blade type gas distributor, so that exhaust gas can be uniformly dispersed into the direct combustion section.
Furthermore, the heat storage fire-blocking wall is built by refractory perforated bricks, and holes in the refractory perforated bricks and the axes of the holes form irregular included angles, so that waste gas is in a rotational flow divergence shape after passing through the heat storage fire-blocking wall, and the uniform mixing of a temperature field in the furnace is enhanced.
It should be noted that, the utility model discloses the hole form fluidized bed that the venturi structure, the fluidization of the section of volatilizing of the waste gas vortex device that sets up in the waste gas burning furnace section of directly burning, fluidization volatilize the section and arrange and the porous brick of the used special angle design of heat accumulation fire wall all is for the torrent at full flow reinforcing air current, promotes fluidic reynolds number and is greater than 10000, and then guarantees the purification efficiency of schizolysis.
Furthermore, the direct combustion section and the fluidized volatilization section adopt composite refractory furnace linings.
Furthermore, the first-stage cracking section and the second-stage cracking section adopt aluminum silicate modules or composite refractory furnace linings.
The principle of waste gas incineration is to oxidize and decompose various elements in organic matters at high temperature and generate carbon dioxide and water, and the specific design needs to meet the 3T principle, namely combustion temperature, residence time and medium turbulence. In this system, waste gas schizolysis mainly takes place at the section of directly burning, fluidization volatilizees the section and one, in the second grade schizolysis section, compare in traditional waste gas incinerator, the mode that adiabatic burning is adopted to this kind of stove type, except guaranteeing that the temperature of directly burning the section is on setting for the schizolysis temperature, can also effectively guarantee fluidization volatilizees the section and one, the indoor temperature of second grade schizolysis all is above the settlement temperature, when waste gas concentration is not enough, auxiliary fuel passes through the rifle formula combustor input furnace of lateral wall, maintain the settlement temperature, guarantee the schizolysis activity of organic waste gas under high temperature.
The utility model discloses a concrete working process does: on one hand, waste gas enters a direct combustion section through a waste gas inlet, a combustor mixes high-temperature flue gas generated by igniting natural gas in the direct combustion section with the preheated waste gas to ensure that the temperature of the mixed flue gas is above a set temperature (generally 800 ℃), then the mixed flue gas sequentially passes through the direct combustion section, a fluidized volatilization section and a primary cracking section, is uniformly mixed in a secondary cracking section and then enters a downstream unit (which can be a heat energy recovery unit or other application units); on the other hand, the waste rubber is thrown into a hole-shaped fluidized bed of the fluidized volatilization section through a waste rubber feeding port, and is gradually converted into volatile components through the scouring and decomposition of high-temperature waste gas in a high-temperature field, so that the waste rubber is thoroughly decomposed in the first-stage cracking section and the second-stage cracking section. Thereby realizing the synchronous treatment of waste gas and waste glue.
The length of the whole incinerator is calculated according to the flow and the temperature of the waste gas, the effective residence time of the cracking of the waste gas in the incinerator can be ensured to be more than 1 second, and the waste rubber and the waste gas can be ensured to stay for a long enough time in a high-temperature section in the incinerator.
Has the advantages that: the utility model discloses when realizing effectively the schizolysis with waste gas, the cull and the waste material that can also produce in the effective handling production process both can eliminate because of piling up the potential safety hazard that brings admittedly useless, can regard the operation energy consumption of cull as supplementary fuel reduction equipment again, and waste gas and cull all can discharge to reach standard after handling moreover.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in figure 1, the waste gas incinerator capable of treating waste rubber comprises a direct burning section 3, a fluidized volatilizing section 5, a first-stage cracking section 6 and a second-stage cracking section 7. The direct burning section 3, the fluidized volatilization section 5, the first-stage cracking section 6 and the second-stage cracking section 7 are sequentially connected in series to form a whole; the fluidized volatilization section 5 and the first-stage cracking section 6 are separated by a heat storage fire barrier 9, and the first-stage cracking section 6 and the second-stage cracking section 7 are separated by the heat storage fire barrier 9; the front end part of the direct combustion section 3 is provided with a combustor interface 1 for mounting a gun type combustor, the top or the side part of the direct combustion section 3 is provided with a high-temperature waste gas inlet 12, and the inside of the direct combustion section is provided with a waste gas turbulence device 2 which is specifically arranged on the side wall of the direct combustion section 3 close to the combustor interface 1 and extends horizontally along the axis direction of the combustor interface 1 to form a blade type gas distributor, so that waste gas can be uniformly dispersed into the direct combustion section; the top or the side part of the fluidized volatilization section 5 is provided with a waste rubber feeding port 11, the bottom inside the fluidized volatilization section 5 is provided with a fluidized bed 4, and the fluidized bed 4 is preferably in a hole shape, but other shapes can be selected, and the fluidized volatilization section is not limited to the embodiment; the secondary cracking section 7 is provided with a waste gas outlet 8, and the waste outlet 8 can be communicated with other downstream units, such as a heat energy recovery unit.
In order to further strengthen the air current torrent, increase the disturbance effect, and then guarantee the purification efficiency of schizolysis, the following improvement scheme has been taken to the waste gas incinerator to this embodiment: namely, a metal waste gas turbulence device 2 is arranged in a direct combustion section 3, a fluidized volatilization section 5 is designed into a Venturi structure, a hole-shaped fluidized bed 4 is arranged in the fluidized volatilization section 5, and special angle design is carried out on perforated bricks used by a heat storage fire wall 9 (the holes and the axes of the holes form irregular included angles, so that waste gas forms a rotational flow divergence shape after passing through the heat storage fire wall).
This embodiment separates fluidization volatilization section 5, one-level schizolysis section 6 and second grade schizolysis section 7 through heat accumulation fireproof wall 9, is favorable to isolated flame, can also guarantee the temperature in one-level schizolysis section 6 and second grade schizolysis section 7 simultaneously through its heat accumulation effect, promotes the schizolysis efficiency.
The synchronous treatment process of waste gas and waste rubber comprises the following steps: on one hand, waste gas enters the direct combustion section 3 through a waste gas inlet 12, a burner mixes high-temperature flue gas generated by igniting natural gas in the direct combustion section 3 with the preheated waste gas to ensure that the temperature of the mixed flue gas is above a set temperature, then the mixed flue gas sequentially passes through the direct combustion section 3, the fluidized volatilization section 5 and the primary cracking section 6, is uniformly mixed in the secondary cracking section 7 and then enters a downstream unit; on the other hand, the waste rubber is thrown onto the hole-shaped fluidized bed 4 of the fluidized volatilization section 5 through a waste rubber feeding port 11, and is gradually converted into volatile components through the scouring and decomposition of high-temperature waste gas in a high-temperature field, so that the volatile components are thoroughly decomposed in the first-stage cracking section 6 and the second-stage cracking section 7. The length of the whole incinerator is calculated according to the flow of the waste gas and the putting amount of the waste glue, the effective retention time of the waste gas and the volatile components of the waste glue in the incinerator can be guaranteed, the turbulence intensity under the effective temperature can be further guaranteed through the heat storage fire-blocking wall 9, and the purification efficiency of the waste gas and the waste glue is guaranteed. Compare in traditional waste gas and burn burning furnace, the utility model discloses a synchronous processing to waste gas and cull.
Claims (9)
1. A waste gas incinerator capable of treating waste rubber is characterized by comprising a direct burning section (3), a fluidization volatilization section (5), a first-stage cracking section (6) and a second-stage cracking section (7), wherein the direct burning section (3), the fluidization volatilization section (5), the first-stage cracking section (6) and the second-stage cracking section (7) are sequentially connected in series; the fluidized volatilization section (5) and the first-stage cracking section (6) are separated by a heat storage fire wall (9), and the first-stage cracking section (6) and the second-stage cracking section (7) are separated by the heat storage fire wall (9); the front end of the direct combustion section (3) is provided with a burner interface (1), and the top or the side part is provided with a waste gas inlet (12); the top or the side part of the fluidization volatilization section (5) is provided with a waste rubber feeding port (11), and the inside of the fluidization volatilization section is provided with a fluidized bed (4); and a waste gas outlet (8) is arranged on the secondary cracking section (7).
2. The incinerator for waste gas of claim 1, wherein said fluidized bed (4) is a perforated fluidized bed.
3. Waste gas incinerator according to claim 1, characterized in that the fluidized volatilizing section (5) is venturi convergent-divergent structure.
4. The incinerator for waste gas of claim 1, wherein said straight burning section (3) is provided with a waste gas flow disturbing means (2).
5. The incinerator for waste gas capable of treating waste rubber according to claim 4, wherein said waste gas turbulence means (2) is a vane type gas distributor.
6. The incinerator for waste gases capable of treating waste rubber according to claim 1, wherein said heat accumulating fire-blocking wall (9) is constructed by a refractory perforated brick.
7. The incinerator according to claim 6, wherein the openings in said perforated refractory bricks are at irregular angles to the axis of the holes.
8. The incinerator according to claim 1, wherein the direct combustion section (3) and the fluidized evaporation section (5) are lined with a composite refractory lining.
9. The incinerator for waste gas of claim 1, wherein the first and second cracking stages (6, 7) are made of alumina silicate modules or composite refractory lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222707430.XU CN218787561U (en) | 2022-10-14 | 2022-10-14 | Waste gas incinerator capable of treating waste rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222707430.XU CN218787561U (en) | 2022-10-14 | 2022-10-14 | Waste gas incinerator capable of treating waste rubber |
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| Publication Number | Publication Date |
|---|---|
| CN218787561U true CN218787561U (en) | 2023-04-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222707430.XU Active CN218787561U (en) | 2022-10-14 | 2022-10-14 | Waste gas incinerator capable of treating waste rubber |
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| CN (1) | CN218787561U (en) |
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2022
- 2022-10-14 CN CN202222707430.XU patent/CN218787561U/en active Active
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