CN218993423U - Incineration device and incineration system - Google Patents
Incineration device and incineration system Download PDFInfo
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- CN218993423U CN218993423U CN202223512103.5U CN202223512103U CN218993423U CN 218993423 U CN218993423 U CN 218993423U CN 202223512103 U CN202223512103 U CN 202223512103U CN 218993423 U CN218993423 U CN 218993423U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/12—Heat utilisation in combustion or incineration of waste
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Abstract
The utility model discloses an incineration device and an incineration system. The incinerator comprises an incinerator and a combustor, wherein the incinerator is provided with a feed inlet, the combustor is provided with a discharge end, and the discharge end is communicated with the feed inlet; the discharge end is provided with first waste gas spout, compressed air spout and second waste gas spout, and compressed air spout and second waste gas spout are annular, and first waste gas spout is located second waste gas spout inboard, and compressed air spout is located the second waste gas spout outside, and the inside even range of compressed air spout is provided with the atomizing spray gun. Through this combustor for get into the high calorific value waste gas that burns burning furnace from first waste gas spout and can mix oxygen-containing waste gas and compressed air, form central rigid flame, and form the tiny liquid drop of sufficient dispersion after the waste liquid atomizing, can accelerate the decomposition of heavy component in the tar, be favorable to the organic salt in the tar to inorganic salt to turn into a bit, improved burning efficiency and the removal rate of tar, avoid furnace coking and the undulant scheduling problem of burning.
Description
Technical Field
The utility model relates to the technical field of waste gas and waste liquid incineration treatment, in particular to an incineration device and an incineration system.
Background
The thermal oxidation incineration method is a common combustion method for treating organic waste gas and waste liquid, and has the advantages of wide applicability, complete treatment, no secondary pollution and simple and stable system. The high-temperature incineration can safely, continuously and rapidly decompose and oxidize various organic matters into small molecular substances, and the smoke can reach the standard for emission after treatment, so that the method is widely applied to the field of innocent treatment of various industrial waste gas and waste liquid.
Phenol tar is a high-boiling-point by-product generated in the process of producing phenol acetone products, has high toxicity and volatility, and belongs to dangerous wastes. The tar has the characteristics of higher heat value and is suitable for incineration treatment by adopting a thermal oxidation incineration method. However, when phenol tar contains oxygen, such as by adopting a water-cooled wall incineration furnace commonly used in a thermal oxidation incineration method for incineration treatment, insufficient atomization and the like can be caused, so that coking and incomplete decomposition of harmful substances are caused.
Based on the foregoing, there is a need for an incineration device and an incineration system, which can solve one of the above-mentioned problems.
Disclosure of Invention
An object of the present utility model is to provide an incinerator capable of sufficiently incinerating waste liquid and waste gas including phenol tar, and avoiding insufficient atomization of the waste liquid.
To achieve the purpose, the utility model adopts the following technical scheme:
an incineration device, comprising:
an incinerator, wherein the incinerator is a water-cooled wall incinerator and is provided with a feed inlet;
the burner is provided with a discharge end which is communicated with the feed inlet; the discharging end is provided with a first waste gas nozzle, a second waste gas nozzle and a compressed air nozzle, the compressed air nozzle and the second waste gas nozzle are annular, the first waste gas nozzle is positioned at the inner side of the second waste gas nozzle, and the compressed air nozzle is positioned at the outer side of the second waste gas nozzle; the combustor further comprises a plurality of atomizing spray guns which are uniformly arranged in the compressed air nozzle.
Optionally, the burner further comprises an exhaust lance, and the exhaust lance is located inside the second exhaust nozzle.
Optionally, the exhaust gas spray gun is provided with asymmetrically distributed air outlet holes.
Optionally, the compressed air nozzle includes a first air nozzle and a second air nozzle, where the first air nozzle and the second air nozzle are both annular, the first air nozzle is located inside the second air nozzle, and a swirl vane is disposed at an outlet of the first air nozzle.
Optionally, the atomizing spray gun is disposed inside the first air nozzle.
Optionally, a booster spray gun is arranged inside the second air nozzle.
Optionally, an air flow converging structure is disposed at an outlet of the second air nozzle, the air flow converging structure is annular, and a diameter of the air flow converging structure is reduced along a flowing direction of the air flow.
Optionally, the burner is provided with an exhaust gas supply device, a waste liquid supply device and a compressed air supply device in communication.
Optionally, characterized in that,
an adjusting valve is arranged between the burner and the waste gas supply device;
and/or an adjusting valve is arranged between the burner and the waste liquid supply device;
and/or an adjusting valve is arranged between the combustor and the compressed air supply device.
Another object of the present utility model is to provide an incineration system capable of sufficiently incinerating waste liquid and waste gas including phenol tar, and avoiding insufficient atomization of the waste liquid.
To achieve the purpose, the utility model adopts the following technical scheme:
the incineration system comprises the incineration device.
The incineration device and the incineration system provided by the utility model have the beneficial effects that: through first waste gas spout, second waste gas spout and compressed air spout from inside to outside along the radial direction of combustor to evenly arrange in compressed air spout and set up atomizing spray gun, make from the high calorific value waste gas that first waste gas spout got into the incinerator can mix oxygen-containing waste gas and compressed air, form central rigid flame, play the effect of central steady burning, and the waste liquid atomizes the back through the compressed air of high-speed flow, form the tiny liquid drop of sufficient dispersion, can accelerate the decomposition of heavy component in the tar, be favorable to organic salt to inorganic salt to a bit conversion in the tar, improved the burning efficiency and the removal rate of tar, avoid furnace coking and the undulant scheduling problem of burning. In addition, the high-heat-value waste gas, the oxygen-containing waste gas and the compressed air all flow through the mutually isolated air chambers, and the waste liquid also flows through the independent atomizing spray gun, so that the waste gas and the waste liquid can be prevented from leaking to generate danger.
Drawings
FIG. 1 is a schematic view of a part of the structural connection of the incineration system provided by the present utility model;
FIG. 2 is a schematic cross-sectional view of a burner in accordance with the present utility model;
fig. 3 is a schematic perspective view of the structure of the burner of the present utility model.
In the figure:
1. a compressed air line; 2. a buffer tank; 3. a tar booster pump; 4. a waste liquid line; 5. an oxygen-containing waste gas line; 6. a high heating value exhaust gas line; 7. a booster fan; 8. a low heating value exhaust gas line; 9. an auxiliary fuel gas line;
10. an incinerator;
11. a burner; 111. a first exhaust gas spout; 112. a second exhaust gas spout; 1131. a first air jet; 11311. swirl vanes; 1132. a second air jet; 114. an atomizing spray gun; 115. an exhaust gas lance; 116. a pressurized spray gun; 117. and an airflow converging structure.
Detailed Description
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixed or removable, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The incineration apparatus and the incineration system provided by the present utility model are described below with reference to fig. 1 to 3. The incineration device belongs to a part of an incineration system and is mainly used for incinerating and treating waste liquid and waste gas containing phenol tar.
Specifically, as shown in fig. 1, the incineration apparatus includes an incinerator 10, and a burner 11 for feeding into the incinerator 10. The incinerator 10 adopts the water-cooled wall incinerator 10, and the water-cooled pipe is arranged in the furnace wall, so that the furnace wall can be prevented from being damaged due to high temperature, and the water-cooled wall incinerator can be communicated with a waste heat recovery device in an incineration system to recycle heat generated by incineration.
As shown in fig. 2 and 3, the burner 11 is columnar, and one end is a discharge end which is correspondingly communicated with a feed inlet of the incinerator 10. The discharge end is provided with a first waste gas nozzle 111, a compressed air nozzle and a second waste gas nozzle 112, wherein the cross section of the first waste gas nozzle 111 is circular and is used for providing high-heat-value waste gas (phenol tar) into the incinerator 10; the compressed air nozzle and the second exhaust nozzle are each annular in cross section 112 for providing compressed air and oxygen-containing exhaust, respectively. The first exhaust gas nozzle 111 is located inside the second exhaust gas nozzle 112, the compressed air nozzle is located outside the second exhaust gas nozzle 112, and the first exhaust gas nozzle 111, the second exhaust gas nozzle 112 and the compressed air nozzle are disposed from inside to outside in the radial direction of the burner 11. The compressed air nozzle is also internally provided with a plurality of atomizing spray guns 114, and the atomizing spray guns 114 are uniformly arranged along the ring shape, so that atomized waste liquid can be uniformly distributed.
Through first waste gas spout 111, second waste gas spout 112 and compressed air spout from inside to outside along the radial direction of combustor 11 to evenly arrange in compressed air spout and set up atomizing spray gun 114, make from the high calorific value waste gas that first waste gas spout 111 got into incinerator 10 can mix oxygen-containing waste gas and compressed air, form central rigid flame, play the effect of central steady burning, and the waste liquid atomizing back is through the compressed air of high-speed flow, form the tiny liquid drop of sufficient dispersion, can accelerate the decomposition of heavy component in the tar, be favorable to organic salt to inorganic salt conversion to a bit in the tar, burn efficiency and the removal rate of tar have been improved, avoid furnace coking and the undulant scheduling problem of burning. In addition, the high-calorific-value exhaust gas, the oxygen-containing exhaust gas and the compressed air all flow through the mutually isolated air chambers, and the waste liquid also flows through the independent atomizing spray gun 114, so that the exhaust gas and the waste liquid can be prevented from leaking to generate danger.
Alternatively, in the present embodiment, as shown in fig. 2, the burner 11 further includes an exhaust gas spray gun 115, and the exhaust gas spray gun 115 is located inside the second exhaust gas spray nozzle 112, and the exhaust gas spray gun 115 can inject low-heating-value exhaust gas (for example, exhaust gas having a low phenol tar concentration) into the inside of the second exhaust gas spray nozzle 112, so that the low-heating-value exhaust gas can also be incinerated. Preferably, the low-calorific-value exhaust gas enters the incinerator 10 after being boosted by the booster fan 7, so that the combustion condition can be improved.
Preferably, the exhaust lance 115 is provided with asymmetrically distributed gas outlet holes to selectively reduce the local flame temperature. The high heat value exhaust gas, the oxygen-containing exhaust gas and the low heat value exhaust gas are injected through the first exhaust gas nozzle 111, the second exhaust gas nozzle 112 and the exhaust gas spray gun 115, respectively, so that the exhaust gas is well mixed, and the generation of nitrogen oxides is reduced.
Referring to fig. 2, in the present embodiment, the compressed air nozzle includes a first air nozzle 1131 and a second air nozzle 1132, the first air nozzle 1131 and the second air nozzle 1132 are both annular, the first air nozzle 1131 is located inside the second air nozzle 1132, a swirl vane 11311 is disposed at an outlet of the first air nozzle 1131, and the swirl vane 11311 is disposed at an angle with an axial direction of the burner 11. Through the first air jet 1131 and the second air jet 1132, rotational flow combustion-supporting wind and direct flow combustion-supporting wind can be generated respectively, which is beneficial to forming a central rigid flame, so that waste gas and atomized waste liquid are fully mixed.
Further, the atomization spray gun 114 is arranged inside the first air nozzle 1131, so that atomized waste liquid is mixed with the rotational flow combustion air, the atomization degree of the waste liquid is further improved, and the decomposition of heavy components in tar is accelerated. Illustratively, in the present embodiment, the swirl vane 11311 is further provided with a spray gun via hole, and the atomization spray gun 114 is disposed through the spray gun via hole, so that the swirl combustion-supporting air is formed first, and then the waste liquid is atomized, so that the atomization degree of the waste liquid can be effectively ensured.
Optionally, in this embodiment, a booster lance 116 is further disposed inside the second air nozzle 1132, where the booster lance 116 can provide the pressurized exhaust gas, so as to enhance the effect of the direct-current combustion air forming the flame peripheral boundary, and further enhance the stability of the overall flame.
Preferably, in this embodiment, the outlet of the second air nozzle 1132 is provided with an airflow converging structure 117, where the airflow converging structure 117 is annular, and the diameter of the airflow converging structure 117 is reduced along the flowing direction of the airflow, so that the wind speed of the direct-current combustion-supporting wind can be improved, and the directional stability and the combustion stability of the flame can be improved.
The utility model also provides an incineration system, which comprises an exhaust gas supply device, a waste liquid supply device, a compressed air supply device and the incineration device. The other end and the side wall of the burner 11 are provided with various inlets, and can be connected to different feed lines such as a high-calorific-value exhaust gas line 6, a compressed air line 1, a low-calorific-value exhaust gas line 8, a waste liquid line 4, an oxygen-containing exhaust gas line 5, an auxiliary fuel gas line 9, and the like, respectively. Through the corresponding feed lines described above, the exhaust gas supply device inputs high-heating-value exhaust gas and oxygen-containing exhaust gas to the first exhaust gas nozzle 111 and the second exhaust gas nozzle 112, respectively, the compressed air supply device inputs compressed air to the compressed air inlet, and the waste liquid supply device inputs waste liquid to the atomizing lance 114.
Through using the above-mentioned incineration device, from inside to outside first waste gas spout 111, second waste gas spout 112 and compressed air spout along the radial direction of combustor 11, and evenly arrange and set up atomizing spray gun 114 in compressed air spout inside, make the high calorific value waste gas that gets into incinerator 10 from first waste gas spout 111 can mix oxygen-containing waste gas and compressed air, form central rigid flame, play the effect of central steady burning, and the compressed air that flows through high-speed after the waste liquid atomizing, form the tiny liquid drop of sufficient dispersion, can accelerate the decomposition of heavy component in the tar, be favorable to the organic salt in the tar to inorganic salt conversion a bit, the efficiency of burning and the removal rate of tar have been improved, avoid the furnace coking and the undulant scheduling problem of burning.
In this embodiment, as shown in fig. 1 and 2, the waste liquid (and phenol-containing tar) is mixed with the water-containing tar in the buffer tank 2, heated by medium pressure steam, and fed into the atomizing lance 114 in the burner 11 through the waste liquid line 4 under the drive of the tar booster pump 3, atomized by compressed air under high pressure, and then injected into the incinerator 10. The oxygen-containing waste gas and the low-heat value waste gas are sprayed in the middle circle position of the burner 11 through the oxygen-containing waste gas pipeline 5 and the low-heat value waste gas pipeline 8, are mixed with atomized tar in the outer circle position, and are converged with rotational flow combustion-supporting air at the periphery of the flame.
Optionally, an adjusting valve is arranged between the burner 11 and the waste gas supply device, between the burner 11 and the waste liquid supply device or between the burner 11 and the compressed air supply device, so that the supply proportion of waste gas, waste liquid or compressed air can be adjusted, and the combustion state is adjusted, so that the full and stable combustion is ensured through reasonable proportioning and structural arrangement, and meanwhile, the low-nitrogen combustion is realized through the collocation of the rich and lean components and the control of the local temperature and pressure, and the emission of various pollutants such as NOx, CO, NMHC is reduced. Of course, the number and the positions of the adjusting valves are not particularly limited, the individual waste liquid can be adjusted, more adjusting valves can be arranged, and the proportion of the high-heat-value waste gas, the oxygen-containing waste gas and the low-heat-value waste gas can be more finely adjusted, which falls into the scope of the utility model.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. An incineration device, characterized by comprising:
an incinerator (10), wherein the incinerator (10) is a water-cooled wall incinerator (10), and the incinerator (10) is provided with a feed inlet;
the burner (11) is provided with a discharge end, and the discharge end is communicated with the feed inlet; the discharging end is provided with a first waste gas nozzle (111), a second waste gas nozzle (112) and a compressed air nozzle, the compressed air nozzle and the second waste gas nozzle (112) are annular, the first waste gas nozzle (111) is positioned at the inner side of the second waste gas nozzle (112), and the compressed air nozzle is positioned at the outer side of the second waste gas nozzle (112); the combustor (11) further comprises a plurality of atomizing spray guns (114), and the atomizing spray guns (114) are uniformly arranged in the compressed air nozzle.
2. An incineration device according to claim 1, characterised in that the burner (11) further comprises an exhaust lance (115), the exhaust lance (115) being located inside the second exhaust gas spout (112).
3. An incineration device according to claim 2, characterised in that the exhaust lance (115) is provided with asymmetrically distributed gas outlet openings.
4. The incineration device according to claim 2, wherein the compressed air nozzle comprises a first air nozzle (1131) and a second air nozzle (1132), the first air nozzle (1131) and the second air nozzle (1132) are both annular, the first air nozzle (1131) is located inside the second air nozzle (1132), and swirl vanes (11311) are arranged at the outlet of the first air nozzle (1131).
5. An incineration device according to claim 4, characterised in that the atomising lance (114) is arranged inside the first air nozzle (1131).
6. An incineration device according to claim 4, characterised in that the second air jet (1132) is internally provided with a booster lance (116).
7. An incineration device according to claim 4, characterized in that the outlet of the second air jet (1132) is provided with an air flow converging structure (117), the air flow converging structure (117) is ring-shaped, and the diameter of the air flow converging structure (117) is reduced in the flow direction of the air flow.
8. An incineration device according to claim 1, characterised in that the burner (11) is provided in communication with an exhaust gas supply, a waste liquid supply and a compressed air supply.
9. The incineration device according to claim 8, wherein,
an adjusting valve is arranged between the burner (11) and the waste gas supply device;
and/or an adjusting valve is arranged between the burner (11) and the waste liquid supply device;
and/or an adjusting valve is arranged between the combustor (11) and the compressed air supply device.
10. An incineration system, characterized in that it comprises an incineration device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223512103.5U CN218993423U (en) | 2022-12-28 | 2022-12-28 | Incineration device and incineration system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223512103.5U CN218993423U (en) | 2022-12-28 | 2022-12-28 | Incineration device and incineration system |
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| Publication Number | Publication Date |
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| CN218993423U true CN218993423U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223512103.5U Active CN218993423U (en) | 2022-12-28 | 2022-12-28 | Incineration device and incineration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498973A (en) * | 2023-07-03 | 2023-07-28 | 浙江百能科技有限公司 | PTA byproduct solid and liquid waste mixed incineration treatment system |
| CN116557877A (en) * | 2023-07-09 | 2023-08-08 | 浙江百能科技有限公司 | Oxygen-enriched incineration and heat recovery system for PTA waste residue liquid |
-
2022
- 2022-12-28 CN CN202223512103.5U patent/CN218993423U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116498973A (en) * | 2023-07-03 | 2023-07-28 | 浙江百能科技有限公司 | PTA byproduct solid and liquid waste mixed incineration treatment system |
| CN116498973B (en) * | 2023-07-03 | 2023-09-22 | 浙江百能科技有限公司 | PTA byproduct solid and liquid waste mixed incineration treatment system |
| CN116557877A (en) * | 2023-07-09 | 2023-08-08 | 浙江百能科技有限公司 | Oxygen-enriched incineration and heat recovery system for PTA waste residue liquid |
| CN116557877B (en) * | 2023-07-09 | 2023-10-24 | 浙江百能科技有限公司 | Oxygen-enriched incineration and heat recovery system for PTA waste residue liquid |
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