CN218795016U - Breakdown-preventing efficient dechlorinating device and efficient dechlorinating system - Google Patents
Breakdown-preventing efficient dechlorinating device and efficient dechlorinating system Download PDFInfo
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- CN218795016U CN218795016U CN202222698736.3U CN202222698736U CN218795016U CN 218795016 U CN218795016 U CN 218795016U CN 202222698736 U CN202222698736 U CN 202222698736U CN 218795016 U CN218795016 U CN 218795016U
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Abstract
The application discloses a breakdown-preventing efficient dechlorinating device and a breakdown-preventing efficient dechlorinating system, wherein the breakdown-preventing efficient dechlorinating device comprises a dechlorinating chamber, a coal gas outlet is formed in the top wall of the dechlorinating chamber, and a coal gas inlet is formed in the side wall, close to the bottom, of the dechlorinating chamber; a funnel-shaped cavity is formed at the bottom of the dechlorination chamber, liquid in the dechlorination chamber is discharged from a discharge port at the bottom of the funnel-shaped cavity, the discharge port is connected with a water sealing device, and a quick-closing valve is arranged on the water sealing device; the dechlorination tower body is provided with a remote transmission liquid level meter which monitors the liquid level in the funnel-shaped containing cavity; when the air pressure in the dechlorination chamber rises to enable the liquid level in the funnel-shaped containing chamber to be reduced to the alarm liquid level of the remote transmission liquid level meter, the remote transmission liquid level meter sends an alarm signal to a component for controlling the action of the quick-closing valve, and the quick-closing valve is closed. The utility model provides a high-efficient dechlorination device prevents that dechlorination in-process water seal device from being punctured with teletransmission level gauge and the linkage of fast closing valve, avoids gas leakage.
Description
Technical Field
The application relates to the technical field of blast furnace gas dechlorination, in particular to a breakdown-preventing efficient dechlorination device and a high-efficient dechlorination system.
Background
The blast furnace gas is a byproduct combustible gas in the blast furnace ironmaking production process, has large yield and wide application, and can be used as a fuel of thermal equipment such as a power plant boiler, an iron plant hot blast stove, a steel mill heating furnace and the like. The main components of the blast furnace gas are CO and CO 2 、N 2 And small amounts of sulfides, cl - And the like.
At present, blast furnace gas generated in the blast furnace ironmaking process is directly used as fuels of a power plant boiler, an iron-making plant hot blast stove and the like after being subjected to dry dedusting and purification treatment, and the blast furnace gas which is not subjected to desulfurization and dechlorination treatment can cause serious corrosion to a gas conveying pipeline and equipment, thereby bringing great harm to the equipment maintenance and production safety of the pipeline and a gas user.
In order to realize the dechlorination of the blast furnace gas, a dechlorination tower is used for dechlorinating the blast furnace gas in the prior art. Referring to fig. 1, fig. 1 is a schematic structural diagram of a conventional dechlorination tower, the conventional dechlorination tower comprises a skirt base 01 arranged below, a dechlorination chamber 02 is formed on the skirt base 01, a coal gas inlet 03 communicated with the dechlorination chamber 02 is formed in the side wall of the dechlorination tower, two groups of spray guns 04 are arranged on the side wall close to the top of the dechlorination chamber 02, a folded plate demister 05 is arranged above the spray guns 04, a demister spray assembly 06 is arranged above the folded plate demister 05, a pipeline is led out of the bottom of the dechlorination chamber 02, after the pipeline extends out of the skirt base, a water seal device 07 is arranged at the tail end of the pipeline, and a butterfly valve 08 is arranged on the water seal device 07. When the existing dechlorination tower is used for dechlorinating blast furnace gas, the blast furnace gas enters the dechlorination tower from a gas inlet 03, the gas flow is in a turbulent flow state, the gas flow goes upward to carry out a mass transfer process with alkali liquor sprayed out from a spray gun 04 on the first layer, preliminary dechlorination is finished, and the dechlorination rate can generally reach about 60-75%; the blast furnace gas continues to go upward to perform the same dechlorination process, about 70 percent of chloride ions can be basically removed after the second layer of dechlorination, and finally the blast furnace gas passes through the folded plate demister 05 to reach the aim of purifying the blast furnace gas and entering a gas pipe network.
In practice, the traditional dechlorination tower has the following disadvantages:
1. the dechlorination rate is not high, and about 70 percent of chloride ions can be removed generally;
2. the water content of the clean gas at the outlet of the dechlorination tower is higher;
3. the water seal device is easy to be punctured, thereby causing gas leakage and generating potential safety hazard.
Therefore, it is necessary to provide a new technical solution to solve the problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The application provides a high-efficient dechlorination device and high-efficient dechlorination system of breakdown prevention to solve traditional dechlorination tower water seal device and be easily punctured in the use, thereby cause the problem of gas leakage.
In order to achieve the above purpose, the present application provides the following technical solutions:
on one hand, the breakdown-preventing efficient dechlorination device comprises a dechlorination tower body, wherein a dechlorination chamber is formed in the dechlorination tower body, a coal gas outlet is formed in the top wall of the dechlorination chamber, and a coal gas inlet is formed in the side wall, close to the bottom, of the dechlorination chamber; a funnel-shaped cavity is formed at the bottom of the dechlorination chamber, liquid in the dechlorination chamber is discharged from a discharge port at the bottom of the funnel-shaped cavity, the discharge port is connected with a water sealing device, and a quick-closing valve is arranged on the water sealing device; the dechlorination tower body is provided with a remote transmission liquid level meter which is used for monitoring the liquid level in the funnel-shaped cavity; when the air pressure in the dechlorination chamber rises to enable the liquid level in the funnel-shaped containing chamber to be reduced to the alarm liquid level of the remote transmission liquid level meter, the remote transmission liquid level meter sends an alarm signal to a component for controlling the action of the quick-closing valve, and the quick-closing valve is closed.
According to the technical scheme, the coal gas inlet pipe is installed at the coal gas inlet, the coal gas inlet pipe extends into the dechlorination chamber from the coal gas inlet along the horizontal direction, a plurality of through holes are formed in the pipe wall of the coal gas inlet pipe extending into the dechlorination chamber, and the blast furnace gas enters the dechlorination chamber from the through holes.
Furthermore, the opening area of the plurality of through holes is equal to the cross-sectional area of the gas inlet pipe.
Furthermore, the gas inlet pipe is a round pipe or a square pipe.
Further, a plane passing through the central axis of the gas inlet pipe is taken as a dividing plane, the gas inlet pipe is divided into an upper half part and a lower half part, and the dividing plane is parallel to the horizontal plane; the interface is intersected with the side wall of the gas inlet pipe to form two oppositely arranged boundary lines; the lower half part is close to the bottom of the dechlorination chamber; and at least one row of holes are formed in the side wall of the gas inlet pipe positioned in the middle of the lower half part along the length direction of the gas inlet pipe.
Furthermore, a plurality of strip-shaped holes are adjacently arranged on the pipe wall between the dividing line and the row of holes at intervals, one end of each strip-shaped hole is close to the dividing line, and the other end of each strip-shaped hole is close to the hole.
Furthermore, the total opening area of the row of holes and the plurality of strip-shaped holes is equal to the cross sectional area of the gas inlet pipe.
Further, the center line of the elongated hole is perpendicular to the boundary line.
Furthermore, the holes in one row are round holes, square holes or triangular holes.
Furthermore, the periphery of the funnel-shaped cavity is provided with a skirt, the remote transmission liquid level meter is installed on the skirt, the discharge port is connected with a pipeline, and the pipeline extends out of the skirt and then is connected with the water sealing device.
Furthermore, the coal gas inlet is arranged above the funnel-shaped cavity.
Furthermore, two layers of fillers are arranged in the dechlorination chamber, are arranged at intervals up and down and are arranged above the coal gas inlet; a liquid distributor is arranged between the two layers of the fillers, and a first group of spray guns are arranged above the liquid distributor; a second group of spray guns are arranged above one layer of the filler at the upper part in the two layers of the filler; a folded plate demister is arranged above the second group of spray guns, demister spray is arranged above the folded plate demister, and a wire mesh demister is arranged above the demister spray; the wire mesh mist eliminator is proximate to a top wall of the dechlorination chamber.
Further, alkali liquor sprayed out of the first group of spray guns is uniformly distributed on the liquid distributor and then enters the filler below the liquid distributor, and blast furnace gas entering the dechlorination chamber from the gas inlet enters the filler to perform a mass transfer process, so that the first dechlorination of the blast furnace gas is completed.
Furthermore, the spray heads of the first group of spray guns and the second group of spray guns are double-fluid spray nozzles, and the double-fluid spray nozzles are used for atomizing and spraying out the alkali liquor.
On the other hand, the application provides a breakdown-preventing efficient dechlorinating system which comprises the breakdown-preventing efficient dechlorinating device.
In the technical scheme, the breakdown-preventing efficient dechlorination system further comprises a gravity dust collector, a cloth bag dust collection system and a blast furnace gas residual pressure turbine power generation device; and after the blast furnace gas sequentially passes through the gravity dust collector, the cloth bag dust removal system, the blast furnace gas residual pressure turbine power generation device and the breakdown-preventing high-efficiency dechlorinating device, the blast furnace gas is discharged into a clean gas main pipeline from a gas outlet of the breakdown-preventing high-efficiency dechlorinating device.
Compared with the prior art, the method has the following beneficial effects:
1. the application provides a high-efficient dechlorination device of preventing wearing has set up the teletransmission level gauge, with teletransmission level gauge and fast valve linkage back, can control the on-off state of fast valve through the teletransmission level gauge. In the use, if the gas pressure in the dechlorination cavity of dechlorination tower this internal is too high, funnel-shaped appearance intracavity's liquid level reduces at the bottom of the tower, and the teletransmission level gauge can monitor the liquid level, when the liquid level reduces the warning liquid level to the teletransmission level gauge, the teletransmission level gauge sends alarm signal teletransmission to fast closing valve, and the fast closing valve is promptly closed, prevents that water seal arrangement from being punctured, avoids gas leakage.
2. The application provides a prevent that high-efficient dechlorination device's coal gas entrance is installed the coal gas inlet pipe, and in the coal gas inlet pipe stretched into dechlorination cavity along the horizontal direction from the coal gas entrance, stretch into and be provided with a plurality of through-hole on the pipe wall of the coal gas inlet pipe in the dechlorination cavity, blast furnace gas gets into in the dechlorination cavity from the through-hole. The opening area of the through holes is equal to the cross sectional area of the coal gas inlet pipe, so that the coal gas flow and the corresponding coal gas flow speed can be ensured. The gas inlet pipe extends into the dechlorination chamber, and the pipe wall of the gas inlet pipe extending into the dechlorination chamber is provided with an opening, so that the aim of uniformly distributing gas flow after the gas enters the tower can be fulfilled.
3. The breakdown-preventing efficient dechlorination device provided by the application is additionally provided with the liquid distributor in the dechlorination chamber, so that alkali liquor sprayed from the first group of spray guns enters the packing layer after being uniformly distributed on the liquid distributor, and is subjected to a more uniform mass transfer process with blast furnace gas which flows upwards into the packing layer to complete first dechlorination; furthermore, the first group of spray guns and the second group of spray guns of the breakdown-preventing efficient dechlorinating device provided by the application are double-fluid spray nozzles, so that the alkali liquor can enter the tower in a foggy manner.
4. The application provides a prevent puncturing high-efficient dechlorination device can make blast furnace gas air current in dechlorination tower smooth, and the alkali lye atomization effect that sprays is better to carry out fine mass transfer process at catalyst layer (packing layer), reduce coal gas circulation resistance, make in the tower coal gas pressure keep steady, prevent that water seal system from sending into and puncturing danger, guarantee that coal gas can not take place to leak danger.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in 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 application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. It should be understood that the specific shapes, configurations and illustrations in the drawings are not to be construed as limiting, in general, the practice of the present application; for example, it is within the ability of those skilled in the art to make routine adjustments or further optimizations based on the technical concepts disclosed in the present application and the exemplary drawings, for the increase/decrease/attribution of certain units (components), specific shapes, positional relationships, connection manners, dimensional ratios, and the like.
FIG. 1 is a schematic diagram of a conventional dechlorination tower;
FIG. 2 is a schematic structural diagram of a breakdown-preventing efficient dechlorination apparatus according to an embodiment of the present disclosure;
FIG. 3 is a front view of a gas inlet pipe of a breakdown-preventing efficient dechlorination apparatus according to an embodiment of the present invention in an installed state;
FIG. 4 is a bottom view of the gas inlet pipe shown in FIG. 3, which mainly shows the opening positions and the opening shapes of the through holes on the gas inlet pipe in one embodiment;
FIG. 5 is an analysis diagram of an inlet gas flow field of the anti-breakthrough high-efficiency dechlorination device provided by the application.
Description of the reference numerals:
01. a skirt; 02. a dechlorination chamber; 03. a gas inlet; 04. a spray gun; 05. a folded plate demister; 06. a demister spray assembly; 07. a water seal device; 08. a butterfly valve;
1. a dechlorination chamber; 2. a coal gas outlet; 3. a gas inlet pipe; 31. a hole; 32. a strip-shaped hole; 4. a funnel-shaped cavity; 5. a water seal device; 6. rapidly closing the valve; 7. a remote liquid level meter; 8. a skirt; 9. lower layer filling; 10. filling the upper layer; 11. a liquid distributor; 12. a first set of spray guns; 13. a second set of spray guns; 14. a folded plate demister; 15. spraying a demister; 16. a wire mesh demister.
Detailed Description
The present application will be described in further detail below with reference to specific embodiments thereof, with reference to the accompanying drawings.
In the description of the present application: "plurality" means two or more unless otherwise specified. The terms "first", "second", "third", and the like in this application are intended to distinguish one referenced item from another without having a special meaning in technical connotation (e.g., should not be construed as emphasizing a degree or order of importance, etc.). The terms "comprising," "including," "having," and the like, are intended to be inclusive and mean "not limited to" (some elements, components, materials, steps, etc.).
In the present application, terms such as "upper", "lower", "left", "right", "middle", and the like are generally used for easy visual understanding with reference to the drawings, and are not intended to absolutely limit the positional relationship in an actual product. Changes in these relative positional relationships are also considered to be within the scope of the present disclosure without departing from the technical concepts disclosed in the present disclosure.
Example one
For the drawback of solving traditional dechlorination tower existence, this application provides a prevent to puncture high-efficient dechlorination device tower. Referring to fig. 2, the breakdown-preventing efficient dechlorination device provided by the application comprises a dechlorination tower body. A dechlorination chamber 1 is formed in the dechlorination tower body, a coal gas outlet 2 is formed in the top wall of the dechlorination chamber 1, and a coal gas inlet is formed in the side wall, close to the bottom, of the dechlorination chamber 1. The bottom of the dechlorination chamber 1 forms a funnel-shaped chamber 4, liquid in the dechlorination chamber 1 is discharged from a discharge port at the bottom of the funnel-shaped chamber 4, the discharge port is connected with a water sealing device 5, and a quick-closing valve 6 is arranged on the water sealing device 5. The dechlorination tower body is provided with a remote transmission liquid level meter 7, and the remote transmission liquid level meter 7 is used for monitoring the liquid level in the funnel-shaped cavity 4; when the air pressure in the dechlorination chamber 1 is increased, so that the liquid level in the funnel-shaped cavity 4 is reduced to the alarm liquid level of the remote liquid level meter 7, the remote liquid level meter 7 sends an alarm signal to a component for controlling the action of the quick-closing valve 6, and the quick-closing valve 6 is closed. In one embodiment, the quick-closing valve 6 may be a quick-closing butterfly valve.
The application provides a prevent that high-efficient dechlorination device is worn to breakdown has set up teletransmission level gauge 7, with teletransmission level gauge 7 with close valve 6 linkage back soon, can close the on-off state of valve 6 soon through teletransmission level gauge 7 control. In the use, if the gas pressure among the dechlorination chamber 1 in the dechlorination tower body is too high, the liquid level that the tower bottom is leaked hopper-shaped and is held in the chamber 4 reduces, and teletransmission level gauge 7 can monitor the liquid level, when the liquid level reduces the warning liquid level to teletransmission level gauge 7, teletransmission level gauge 7 sends alarm signal teletransmission to fast closing valve 6, and fast closing valve 6 promptly closes, prevents that water seal arrangement 5 from being punctured, avoids gas leakage.
In one embodiment, referring to fig. 2 and 3, a gas inlet pipe 3 is installed at the gas inlet, the gas inlet pipe 3 extends into the dechlorination chamber 1 from the gas inlet along the horizontal direction, a plurality of through holes are arranged on the pipe wall of the gas inlet pipe 3 extending into the dechlorination chamber 1, and blast furnace gas enters into the dechlorination chamber 1 from the through holes. The opening area of the plurality of through holes is equal to the cross-sectional area of the coal gas inlet pipe 3, so that the coal gas flow and the corresponding coal gas flow velocity can be ensured. The gas inlet pipe 3 extends into the dechlorination chamber 1, and holes are formed on the pipe wall of the gas inlet pipe 3 extending into the dechlorination chamber 1, so that the aim of uniformly distributing gas flow after the gas enters the tower can be fulfilled.
In one embodiment, the gas inlet pipe 3 may be a round or square pipe, although other shapes of pipe are possible, but in practice round pipes are found to be more widely used.
In one embodiment, referring to fig. 3 and 4, the gas inlet pipe 3 can be divided into an upper half and a lower half by taking the plane passing through the central axis of the gas inlet pipe 3 as a dividing plane, which is parallel to the horizontal plane; the interface intersects the side wall of the gas inlet pipe 3 to form two oppositely arranged boundary lines; the lower half part is close to the bottom of the dechlorination chamber 1; at least one row of holes 31 is arranged on the side wall of the gas inlet pipe 3 positioned in the middle of the lower half part along the length direction of the gas inlet pipe 3. A plurality of strip-shaped holes 32 are adjacently and alternately arranged on the pipe wall between the dividing line and the row of holes 31, one end of each strip-shaped hole 32 is close to the dividing line, and the other end of each strip-shaped hole 32 is close to the hole 31. The total opening area of the row of holes 31 and the plurality of strip-shaped holes 32 is equal to the cross-sectional area of the gas inlet pipe 3.
In one embodiment, the centerline of the elongated aperture 32 is perpendicular to the line of demarcation. The row of holes 31 is a circular hole, a square hole or a triangular hole.
In one embodiment, referring to fig. 2, a skirt 8 is arranged on the periphery of the funnel-shaped cavity 4, a remote liquid level meter 7 is arranged on the skirt 8, a pipeline is connected to the discharge port, and the pipeline extends out of the skirt 8 and is connected with the water sealing device 5. The coal gas inlet is arranged above the funnel-shaped cavity 4.
In one embodiment, referring to fig. 2, two layers of packing, namely a lower layer of packing 9 and an upper layer of packing 10, are arranged in the dechlorination chamber 1, the two layers of packing are arranged at intervals up and down, and the packing is arranged above the gas inlet; a liquid distributor 11 is arranged between the two layers of the filling materials, and a first group of spray guns 12 are arranged above the liquid distributor 11; a second group of spray guns 13 are arranged above the upper layer of the two layers of the fillers; a folded plate demister 14 is arranged above the second group of spray guns 13, a demister spray 15 is arranged above the folded plate demister 14, and a wire mesh demister 16 is arranged above the demister spray 15; the wire mist eliminator 16 is located near the top wall of the dechlorination chamber 1.
Alkali liquor sprayed out of the first group of spray guns 12 is uniformly distributed on the liquid distributor 11 and then enters the filler (lower-layer filler 9) below the liquid distributor, and blast furnace gas entering the dechlorination chamber 1 from the gas inlet enters the filler (lower-layer filler 9) and then undergoes a mass transfer process, so that the first dechlorination of the blast furnace gas is completed.
In one embodiment, the spray heads of the first set of spray guns 12 and the second set of spray guns 13 are two-fluid spray nozzles for atomizing the lye.
The utility model provides a prevent that high-efficient dechlorination device breaks through sets up one deck silk screen defroster 16 in 2 departments of dechlorination tower gas outlet, and the filter fineness of silk screen defroster 16 is more than 3 ~ 5 mu m, and filter efficiency reaches more than 97%, can avoid the coal gas to smuggle secretly.
Compared with the existing dechlorination tower, the breakdown-preventing efficient dechlorination device provided by the application improves the coal gas inlet pipe 3, the coal gas inlet pipe 3 extends into the dechlorination chamber 1, and holes are formed in the coal gas inlet pipe 3 to enable air flow to be uniform; furthermore, the breakdown-preventing efficient dechlorination device provided by the application is additionally provided with the liquid distributor 11 in the dechlorination chamber 1, so that alkali liquor sprayed from the first group of spray guns 12 is uniformly distributed on the liquid distributor 11 and then enters the packing layer, and is subjected to a more uniform mass transfer process with blast furnace gas which flows upwards into the packing layer, and the first dechlorination is completed; furthermore, the first group of spray guns 12 and the second group of spray guns 13 of the breakdown-preventing efficient dechlorinating device provided by the application are double-fluid spray nozzles, so that the alkali liquor can enter the tower in a mist form.
The application provides a prevent puncturing high-efficient dechlorination device can make blast furnace gas air current in dechlorination tower smooth, and the alkali lye atomization effect that sprays is better to carry out fine mass transfer process at catalyst layer (packing layer), reduce coal gas circulation resistance, make in the tower coal gas pressure keep steady, prevent that water seal system from sending into and puncturing danger, guarantee that coal gas can not take place to leak danger.
FIG. 5 is an analysis diagram of an inlet gas flow field of the anti-breakthrough high-efficiency dechlorination device provided by the application. In the figure 5, the gas is in a laminar flow state with uniform distribution, so that the mass transfer effect can be better performed, and the efficient dechlorination is realized.
Example two
Based on the breakdown-prevention efficient dechlorination device provided by the embodiment, the embodiment provides a breakdown-prevention efficient dechlorination system, which comprises the breakdown-prevention efficient dechlorination device, a gravity dust collector, a cloth bag dust collection system and a blast furnace gas residual pressure turbine power generation device; after the blast furnace gas sequentially passes through the gravity dust collector, the cloth bag dust removing system, the blast furnace gas residual pressure turbine power generation device and the breakdown-preventing high-efficiency dechlorinating device, the blast furnace gas is discharged into a clean gas main pipeline from a gas outlet of the breakdown-preventing high-efficiency dechlorinating device.
The high-efficient dechlorination system of preventing puncturing that this embodiment provided can be better under the high-efficient dechlorination device of preventing puncturing's the completion mass transfer process of holding with, reduces the gas circulation resistance, makes in the tower gas pressure keep steady, prevents that water seal system from sending into and punctures danger, guarantees that the gas can not take place to leak danger.
All the technical features of the above embodiments can be arbitrarily combined (as long as there is no contradiction between the combinations of the technical features), and for the sake of brevity, all the possible combinations of the technical features in the above embodiments are not described; these examples, which are not explicitly described, should be considered to be within the scope of the present description.
The present application has been described in considerable detail with reference to certain embodiments and examples thereof. It should be understood that several general adaptations or further innovations of these specific embodiments can also be made based on the technical idea of the present application; however, such conventional modifications and further innovations can also fall into the scope of the claims of the present application as long as they do not depart from the technical idea of the present application.
Claims (8)
1. The breakdown-preventing efficient dechlorination device is characterized by comprising a dechlorination tower body, wherein a dechlorination chamber is formed in the dechlorination tower body, a coal gas outlet is formed in the top wall of the dechlorination chamber, and a coal gas inlet is formed in the side wall of the dechlorination chamber, which is close to the bottom of the dechlorination chamber; a funnel-shaped cavity is formed at the bottom of the dechlorination chamber, liquid in the dechlorination chamber is discharged from a discharge port at the bottom of the funnel-shaped cavity, the discharge port is connected with a water sealing device, and a quick-closing valve is arranged on the water sealing device; the dechlorination tower body is provided with a remote transmission liquid level meter which is used for monitoring the liquid level in the funnel-shaped cavity; when the air pressure in the dechlorination chamber rises to enable the liquid level in the funnel-shaped containing chamber to be reduced to the alarm liquid level of the remote transmission liquid level meter, the remote transmission liquid level meter sends an alarm signal to a component for controlling the action of the quick-closing valve, and the quick-closing valve is closed.
2. The anti-breakdown efficient dechlorination device according to claim 1, wherein a gas inlet pipe is installed at the gas inlet, the gas inlet pipe extends into the dechlorination chamber from the gas inlet along the horizontal direction, a plurality of through holes are arranged on the pipe wall of the gas inlet pipe extending into the dechlorination chamber, and blast furnace gas enters the dechlorination chamber from the through holes;
the opening area of the plurality of through holes is equal to the cross-sectional area of the gas inlet pipe.
3. The anti-breakdown efficient dechlorination device according to claim 2, wherein the gas inlet pipe is a circular pipe or a square pipe;
dividing the gas inlet pipe into an upper half part and a lower half part by taking a surface passing through the central axis of the gas inlet pipe as a dividing surface, wherein the dividing surface is parallel to a horizontal plane; the interface is intersected with the side wall of the gas inlet pipe to form two oppositely arranged boundary lines; the lower half part is close to the bottom of the dechlorination chamber; at least one row of holes are formed in the side wall of the gas inlet pipe in the middle of the lower half part along the length direction of the gas inlet pipe;
and a plurality of strip-shaped holes are adjacently arranged on the pipe wall between the dividing line and the row of holes at intervals, one end of each strip-shaped hole is close to the dividing line, and the other end of each strip-shaped hole is close to the hole.
4. The anti-punch through dechlorination apparatus according to claim 3, wherein the total opening area of the row of holes and the plurality of elongated holes is equal to the cross-sectional area of the gas inlet pipe;
the central line of the strip-shaped hole is vertical to the boundary;
the holes in one row are round holes, square holes or triangular holes.
5. The breakdown-preventing efficient dechlorination device according to claim 1, wherein a skirt is arranged on the periphery of the funnel-shaped cavity, the remote liquid level meter is mounted on the skirt, the discharge port is connected with a pipeline, and the pipeline extends out of the skirt and is connected with the water sealing device;
the coal gas inlet is arranged above the funnel-shaped cavity;
two layers of fillers are arranged in the dechlorination chamber at intervals up and down, and the fillers are arranged above the coal gas inlet; a liquid distributor is arranged between the two layers of the fillers, and a first group of spray guns is arranged above the liquid distributor; a second group of spray guns are arranged above one layer of the filler at the upper part in the two layers of the filler; a folded plate demister is arranged above the second group of spray guns, demister spray is arranged above the folded plate demister, and a wire mesh demister is arranged above the demister spray; the wire mesh mist eliminator is proximate to a top wall of the dechlorination chamber.
6. The anti-punch efficient dechlorination apparatus according to claim 5, wherein the first set of spray guns are configured to spray lye onto the liquid distributor; the liquid distributor is used for uniformly distributing the alkali liquor sprayed on the liquid distributor;
the spray heads of the first group of spray guns and the second group of spray guns are double-fluid spray nozzles which are used for realizing the atomization and spraying of the alkali liquor.
7. A breakdown-preventing efficient dechlorination system, which comprises the breakdown-preventing efficient dechlorination apparatus according to any one of claims 1 to 6.
8. The breakdown-preventing efficient dechlorination system according to claim 7, further comprising a gravity dust collector, a cloth bag dust collection system and a blast furnace gas residual pressure turbine power generation device; and after the blast furnace gas sequentially passes through the gravity dust collector, the cloth bag dust removal system, the blast furnace gas residual pressure turbine power generation device and the breakdown-preventing high-efficiency dechlorinating device, the blast furnace gas is discharged into a clean gas main pipeline from a gas outlet of the breakdown-preventing high-efficiency dechlorinating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698736.3U CN218795016U (en) | 2022-10-13 | 2022-10-13 | Breakdown-preventing efficient dechlorinating device and efficient dechlorinating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222698736.3U CN218795016U (en) | 2022-10-13 | 2022-10-13 | Breakdown-preventing efficient dechlorinating device and efficient dechlorinating system |
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| Publication Number | Publication Date |
|---|---|
| CN218795016U true CN218795016U (en) | 2023-04-07 |
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| CN202222698736.3U Active CN218795016U (en) | 2022-10-13 | 2022-10-13 | Breakdown-preventing efficient dechlorinating device and efficient dechlorinating system |
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| CN (1) | CN218795016U (en) |
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2022
- 2022-10-13 CN CN202222698736.3U patent/CN218795016U/en active Active
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