CN219502313U - Composite furnace flue gas treatment device - Google Patents
Composite furnace flue gas treatment device Download PDFInfo
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- CN219502313U CN219502313U CN202320549106.1U CN202320549106U CN219502313U CN 219502313 U CN219502313 U CN 219502313U CN 202320549106 U CN202320549106 U CN 202320549106U CN 219502313 U CN219502313 U CN 219502313U
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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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a smoke treatment device of a composite furnace, which comprises: a group of flue gas direct discharge pipes; the upper part of one side of the left seamless pipeline is sequentially connected with a first oxygen detector, a steam purging pipeline and a first nitrogen purging pipeline in a penetrating way from top to bottom, and the upper part of one side of the right seamless pipeline is sequentially connected with a one-way explosion-proof valve and a one-way valve in a penetrating way from top to bottom; wherein, the upper part of the other side of the right seamless pipeline is provided with an explosion venting port. The utility model introduces the flue gas into a water scrubber through the induced draft fan, and the gas after water scrubbing is directly discharged or burnt, and the solid and the liquid are combined with the semi-coke wastewater to be treated, so as to solve the problems that the existing flue gas treatment device adopts a wet dust removal method, carbon powder, flue gas coal tar particles and the like are difficultly dissolved in water, and the coal tar has high viscosity and can block a pipeline.
Description
Technical Field
The utility model relates to the technical field of flue gas treatment equipment, in particular to a flue gas treatment device of a composite furnace.
Background
The semi-coke production process can generate complex furnace raw gas in the complex furnace, wherein the gas components in the raw gas are carbon monoxide, carbon dioxide, hydrogen, nitrogen and methane, and the raw gas components are sequentially required to be used in a flue gas treatment device to carry out the evolution treatment of flue gas and then are discharged into the air.
However, the following drawbacks still exist in practical use:
the flue gas in the existing flue gas treatment device is difficult to burn, but when the flue gas is subjected to high temperature, carbon powder and raw gas can cause explosion, and the components of the flue gas after water washing are immersed and similar to the semi-coke wastewater, so wet dust removal is adopted, wherein carbon powder, flue gas coal tar particles and the like are difficultly dissolved in water, and the coal tar has high viscosity and can block a pipeline.
Therefore, a smoke treatment device of a composite furnace is newly proposed to solve the above problems.
Disclosure of Invention
1. Technical problem to be solved
The utility model aims to provide a smoke treatment device of a composite furnace, which is characterized in that smoke is introduced into a water washing tower through a draught fan, the water washed gas is directly discharged or burnt, and solid and liquid are combined with semi-coke wastewater for treatment, so that the problems in the background technology are solved.
2. Technical proposal
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a smoke treatment device of a composite furnace, which comprises:
a group of flue gas direct discharge pipes;
the upper part of one side of the seamless pipeline on the left side is sequentially connected with a first oxygen detector, a steam blowing pipeline and a first nitrogen blowing pipeline in a penetrating way from top to bottom, and the upper part of one side of the seamless pipeline on the right side is sequentially connected with a one-way explosion-proof valve and a one-way valve in a penetrating way from top to bottom;
the upper part of the other side of the seamless pipeline on the right side is provided with an explosion venting port, and the lower part of one side of one group of seamless pipelines is connected with a spark detector in a penetrating way;
a water washing tower;
the middle part of one side of the water washing tower is respectively connected with a second oxygen detector and a second nitrogen purging pipeline in a penetrating way from top to bottom.
Further, the water washing tower is connected with the lower parts of a group of seamless pipelines through natural cooling pipelines;
wherein, one end of the natural cooling pipeline, which is close to the seamless pipeline, is provided with a connected induced draft fan;
specifically, the natural cooling pipeline is connected between the seamless pipeline and the water scrubber, and the flue gas in the flue gas branch pipeline is conveyed into the water scrubber by the induced draft fan so as to be washed.
Further, an oil leakage port which is penetrated and opened is arranged below one end of the natural cooling pipeline, which is close to the induced draft fan;
wherein, both sides limit and the natural cooling pipeline of oil leak mouth keep away from the valve that the one end of draught fan has the connection.
Specifically, the oil leakage port can regularly discharge coal tar substances, the valve is subjected to opening and closing treatment in the natural cooling pipeline, and when the oil leakage port is overhauled conveniently, the system is isolated, the safety of workers is protected, and the air tightness of the device and air is ensured.
Further, one side of the water washing tower is provided with a circulating tank and a sedimentation tank respectively;
one side of the circulating pool is connected with a circulating water pump through a water pipe;
one side and the rear of the sedimentation tank are respectively connected with a layer of water pump and a back flushing pump through water pipes;
further, a plurality of spray pipes extending into the water washing tower at equal intervals are arranged on the upper part of the water pipe connected with the output end of the circulating water pump;
the front end of a water pipe connected with the output end of the water pump of the first layer is provided with a plurality of spray pipes extending into the water washing tower;
a plurality of spray pipes extending into the water scrubber are arranged above and below the front end of the water pipe connected with the output end of the backwash pump;
wherein, a flat plate demister is arranged below the spray pipe at the lower part of the water supply pipe of the backwash pump;
specifically, the circulating pool can recycle the liquid by extending into the water washing tower and attaching the water pipe on the inner side wall of the circulating pool, the sedimentation pool receives the liquid carrying the flue gas after washing, a layer of water pump, the circulating pump and the back flushing pump extract the liquid, and the flat-plate demister performs gas-liquid separation treatment in the water washing tower.
Further, a baffle is connected to the top of the water washing tower, and a second one-way valve is connected to the upper part of the inside of the water washing tower;
wherein, a foam remover is arranged below the second one-way valve;
specifically, the periphery of the baffle is hollowed-out, the flue gas after washing can be discharged to the air, the second check valve is used for carrying out opening and closing treatment on the upper part of the washing tower so as to meet the discharge of the flue gas and the treatment operation of the flue gas, and the demister is used for isolating liquid foam which is not fully treated yet.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
the utility model is provided with a high Wen Qieduan valve, a one-way cut-off valve, a spark detector, an oxygen detector and nitrogen protection treatment, and is interlocked; in order to prevent the fan from being blocked, an oil leakage port is arranged in front of the induced draft fan; in order to prevent spray blocking, a backflushing treatment mode is set, and a valve is arranged at the spray pipe so as to facilitate replacement of the blocked spray pipe; in order to prevent dust leakage, the gas containing dust is led to a water scrubber by an induced draft fan and is sufficiently washed, so that the effects of blocking prevention and explosion prevention are achieved, and the gas containing dust is easy to use.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
fig. 3 is an enlarged view of the utility model at B in fig. 1.
In the drawings, the list of components represented by the various numbers is as follows:
1. a flue gas straight discharge pipe; 2. a high temperature shut-off valve; 3. a unidirectional explosion-proof valve; 4. a first check valve; 5. explosion venting ports; 6. an oxygen detector I; 7. a steam purge conduit; 8. nitrogen purging the first pipeline; 9. a spark detector; 10. an induced draft fan; 11. an oil leakage port; 12. a water washing tower; 13. a demister; 14. a second check valve; 15. a baffle; 16. a shower pipe; 17. a sedimentation tank; 18. a water pipe; 19. a layer of water pump; 20. a circulating water pump; 21. a backwash pump; 22. a circulation tank; 23. a flat plate demister; 24. an oxygen detector II; 25. nitrogen purging the second pipeline; 26. a natural cooling pipeline; 27. a valve; 28. seamless pipe.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present utility model, the cross-sectional view of the device structure is not partially enlarged to a general scale for the convenience of description, and the schematic is merely an example, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
Examples
Referring to fig. 1-3, the present embodiment is a flue gas treatment device for a composite furnace, including:
a group of flue gas straight pipes 1;
the lower part of one side of each flue gas straight exhaust pipe 1 is provided with a connected seamless pipeline 28, the upper parts of the inside of the flue gas straight exhaust pipes 1 and the seamless pipeline 28 are respectively provided with a connected high Wen Qieduan valve 2, the upper part of one side of the left seamless pipeline 28 is sequentially connected with an oxygen detector I6, a steam purging pipeline 7 and a nitrogen purging pipeline I8 in a penetrating manner from top to bottom, and the upper part of one side of the right seamless pipeline 28 is sequentially connected with a one-way explosion-proof valve 3 and a one-way valve I4 in a penetrating manner from top to bottom;
the upper part of the other side of the right seamless pipeline 28 is provided with an explosion venting port 5, and the lower parts of one side of a group of seamless pipelines 28 are all connected with a spark detector 9 in a penetrating way;
a water scrubber 12;
the middle part of one side of the water scrubber 12 is respectively connected with a second oxygen detector 24 and a second nitrogen purging pipeline 25 in a penetrating way from top to bottom;
the water scrubber 12 is connected to the lower part of a group of seamless pipes 28 through natural cooling pipes 26;
wherein, one end of the natural cooling pipeline 26, which is close to the seamless pipeline 28, is provided with a connected induced draft fan 10;
the natural cooling pipeline 26 is provided with an oil leakage port 11 which is penetrated and opened below one end of the induced draft fan 10;
wherein, two sides of the oil leakage port 11 and one end of the natural cooling pipeline 26 far away from the induced draft fan 10 are provided with a connected valve 27;
one side of the water washing tower 12 is provided with a circulating tank 22 and a sedimentation tank 17 respectively;
wherein, one side of the circulating pool 22 is connected with a circulating water pump 20 through a water pipe 18;
one side and the rear of the sedimentation tank 17 are respectively connected with a layer of water pump 19 and a back flushing pump 21 through a water pipe 18;
the upper part of a water pipe 18 connected with the output end of the circulating water pump 20 is provided with a plurality of spray pipes 16 which extend into the water scrubber 12 at equal intervals;
the front end of a water pipe 18 connected with the output end of a layer of water pump 19 is provided with a plurality of spray pipes 16 extending into the water scrubber 12;
a plurality of spray pipes 16 extending into the water scrubber 12 are arranged above and below the front end of the water pipe 18 connected with the output end of the back flushing pump 21;
wherein, a flat plate demister 23 is arranged below the spray pipe 16 at the lower part of the water pipe 18 on the backwash pump 21;
the top end of the water washing tower 12 is connected with a baffle 15, and a connected one-way valve II 14 is arranged above the inside of the water washing tower 12;
wherein, a foam remover 13 is arranged below the second check valve 14;
how to treat the flue gas, the following steps are published:
a valve 2 with high pressure Wen Qieduan is newly arranged at the uppermost part of the furnace flue gas straight exhaust pipe 1, an existing flue gas natural exhaust pipeline is reserved as a standby means, an upper opening is formed in a pipeline between the existing flue valve and the newly-arranged valve 2 with high pressure Wen Qieduan, and a seamless pipeline 28 is led out for dust removal and flue gas discharge;
a high Wen Qieduan valve 2 is additionally arranged on the newly-added seamless pipeline 28 to prevent the external high-pressure induced draft fan air from being poured into the flue to generate flash explosion; an oxygen detector I6, a nitrogen purging pipeline I8 and a steam purging pipeline 7 are arranged in front of an external high-pressure induced draft fan, the oxygen detector I6 detects the oxygen content in the seamless pipeline 28, the nitrogen purging pipeline I8 replaces air in the device to extinguish sparks, the polymerization degree of tar in the steam purging pipeline 7 is improved, and the viscous coal tar is prevented from blocking the pipeline; the one-way explosion-proof valve 3, the one-way valve I4 and the explosion venting port 5 are arranged near the straight exhaust port, when explosion flash occurs, the one-way explosion-proof valve 3 is opened to prevent gas from being reversely rushed into the composite furnace, the explosion venting port 5 is opened to vent the explosion, the one-way valve I4 prevents steam from being reversely absorbed, the oil leakage port 11 is arranged at the corner of a pipeline, the induced draft fan 10 is arranged behind the oil leakage port 11, coal tar substances are regularly discharged, the valves 27 are arranged at the two sides of the oil leakage port 11, so that when the oil leakage port 11 is overhauled, the system is isolated, the safety of workers is protected, the tightness of the device and air is ensured, the length of a natural cooling pipeline 26 is increased, the natural cooling of smoke is realized, the valve 27 is also arranged between the natural cooling pipeline 26 and a water washing tower 12 to prevent the air in a chimney from reversely absorbing, and the smoke enters the water washing tower 12 after passing through the induced draft fan 10;
the water washing tower 12 consists of a layer of high-pressure washing section, a three-stage water washing section, a back washing section and a demisting foam section, the demisting section comprises a flat demister 23, and the foam removing section consists of a foam remover 13;
the flue gas is introduced into a water washing tower 12 by an induced draft fan 10 to be subjected to first spray water washing, the sprayed liquid carries impurities in the flue gas to enter a sedimentation tank 17 from a lower water pipe 18, and the gas enters a water washing section from above to be subjected to full water washing; then the flue gas with water vapor goes up to enter a mist-reducing section for demisting and then is emptied or ignited, the liquid goes down to a sedimentation tank 17, the precipitated solid and liquid substances are mixed into the semi-coke wastewater for treatment, and the gas is emptied or burnt;
in the process of washing the flue gas, the second one-way valve 14 is additionally arranged at the top of the water washing tower 12 to prevent external air from entering the system, ensure the air tightness of the device for isolating air, store nitrogen, and avoid the device from being emptied when being used next time, thereby saving time and nitrogen and being used at any time.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 can be understood by those of ordinary skill in the art according to the specific circumstances.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. A composite furnace flue gas treatment device, comprising:
a group of flue gas straight discharge pipes (1);
the lower part of one side of each smoke straight exhaust pipe (1) is provided with a connected seamless pipeline (28), the upper parts of the insides of the smoke straight exhaust pipes (1) and the seamless pipeline (28) are respectively provided with a connected high Wen Qieduan valve (2), the upper part of one side of the seamless pipeline (28) on the left side is sequentially connected with an oxygen detector I (6), a steam purging pipeline (7) and a nitrogen purging pipeline I (8) in a penetrating manner from top to bottom, and the upper part of one side of the seamless pipeline (28) on the right side is sequentially connected with a one-way explosion-proof valve (3) and a one-way valve I (4) in a penetrating manner from top to bottom;
the upper part of the other side of the seamless pipeline (28) on the right side is provided with an explosion venting port (5), and the lower parts of one side of a group of seamless pipelines (28) are all connected with spark detectors (9) in a penetrating way;
a water scrubber (12);
the middle part of one side of the water scrubber (12) is respectively connected with a second oxygen detector (24) and a second nitrogen purging pipeline (25) in a penetrating way from top to bottom.
2. A composite furnace flue gas treatment device according to claim 1, wherein the water scrubber (12) is connected to the lower parts of a group of seamless pipes (28) through natural cooling pipes (26);
wherein, the natural cooling pipeline (26) is close to the draught fan (10) that the one end of seamless pipeline (28) has the connection.
3. The flue gas treatment device of the composite furnace according to claim 2, wherein an oil leakage port (11) penetrating and opened is arranged below one end of the natural cooling pipeline (26) passing through the induced draft fan (10);
wherein, both sides limit and the natural cooling pipeline (26) of oil leak mouth (11) keep away from the valve (27) that are connected of one end of draught fan (10).
4. A composite furnace flue gas treatment device according to claim 1, wherein a circulation tank (22) and a sedimentation tank (17) are respectively arranged at one side of the water scrubber (12);
one side of the circulating pool (22) is connected with a circulating water pump (20) through a water pipe (18);
one side and the rear of the sedimentation tank (17) are respectively connected with a layer of water pump (19) and a back flushing pump (21) through water pipes (18).
5. A smoke treatment device of a composite furnace according to claim 4, characterized in that the upper part of the water pipe (18) connected with the output end of the circulating water pump (20) is provided with a plurality of spray pipes (16) extending into the water scrubber (12) at equal intervals;
the front end of a water pipe (18) connected with the output end of the water pump (19) is provided with a plurality of spray pipes (16) extending into the water washing tower (12);
a plurality of spray pipes (16) extending into the water washing tower (12) are arranged above and below the front end of the water pipe (18) connected with the output end of the back flushing pump (21);
wherein, a flat plate demister (23) is arranged below the spray pipe (16) at the lower part of the water supply pipe (18) of the back flushing pump (21).
6. The flue gas treatment device of the composite furnace according to claim 1, wherein the top end of the water scrubber (12) is connected with a baffle (15), and a second one-way valve (14) is connected above the inside of the water scrubber (12);
wherein, a foam remover (13) is arranged below the second check valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320549106.1U CN219502313U (en) | 2023-03-20 | 2023-03-20 | Composite furnace flue gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320549106.1U CN219502313U (en) | 2023-03-20 | 2023-03-20 | Composite furnace flue gas treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219502313U true CN219502313U (en) | 2023-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320549106.1U Active CN219502313U (en) | 2023-03-20 | 2023-03-20 | Composite furnace flue gas treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219502313U (en) |
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2023
- 2023-03-20 CN CN202320549106.1U patent/CN219502313U/en active Active
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