CN212327936U - Smoke pollutant purification and recycling treatment system in smelting industry - Google Patents
Smoke pollutant purification and recycling treatment system in smelting industry Download PDFInfo
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- CN212327936U CN212327936U CN201922276549.4U CN201922276549U CN212327936U CN 212327936 U CN212327936 U CN 212327936U CN 201922276549 U CN201922276549 U CN 201922276549U CN 212327936 U CN212327936 U CN 212327936U
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Abstract
The utility model aims to provide a smoke pollutant purification and resource treatment system in smelting industry, which comprises a body, wherein the bottom of the body is provided with a smoke inlet and an atomized water outlet, and the top of the body is provided with a smoke outlet; an atomization device, a condensate water tank, a filter screen, an electrostatic adsorption device, a heating device and a catalyst adsorption device which are communicated through an air port are sequentially arranged in the body from bottom to top; the utility model is provided with two sets of atomization devices, a condensate water tank, a filter screen, an electrostatic adsorption device, a heating device and a catalyst adsorption device which have the same structure, and a control system is used for controlling the two sets of structures to simultaneously or independently carry out normal flue gas purification work; when the flue gas purification work is carried out independently, the other set of the flue gas purification work carries out recovery operation, and the two states are carried out alternately; the alternate work can better purify the flue gas, effectively recycle resources, protect the environment, and save energy and reduce emission.
Description
Technical Field
The utility model relates to a flue gas purification field, specific smelt trade flue gas pollutant purification and resourceful treatment system that says so.
Background
The smelting flue gas contains arsenic compounds, fluoride compounds and the like besides effective components of sulfur dioxide and sulfur trioxide, and the like which can be recycled. The existing acid making process for smelting flue gas adopts a water washing method to remove the harmful substances and reduce the temperature, partial sulfur dioxide and sulfur trioxide are dissolved in water in the water washing process, and oxides, arsenide and fluorides of soluble valuable metals in dust are dissolved in water, so that the acidity of washing water, the arsenic content and the fluorine content and the turbidity of suspended matters are continuously increased, and the washing water is discharged when the dust content reaches balance. The sulfur and some metal substances can be obtained by separating the washing water, and the recycling of the substances is very important for saving energy, reducing emission and protecting the environment. However, the application degree of the substances is not high at present, and mainly a smoke treatment system needs to work continuously, so that no redundant time is needed for completing the recovery work, and the waste of resources is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a smoke pollutant purification and resource treatment system in smelting industry, which is characterized in that two sets of atomization devices, a condensate water tank, a filter screen, an electrostatic adsorption device, a heating device and a catalyst adsorption device which have the same structure are arranged, and a control system is used for controlling the two sets of structures to simultaneously or independently perform normal smoke purification work; when the flue gas purification work is carried out independently, the other set of the flue gas purification work carries out recovery operation, and the two states are carried out alternately; the alternate work can better purify the flue gas, effectively recycle resources, protect the environment, and save energy and reduce emission.
A smelting industry flue gas pollutant purifies and resourceful treatment system includes: the device comprises a body, wherein the bottom of the body is provided with a flue gas inlet and an atomized water outlet, and the top of the body is provided with a flue gas outlet;
an atomization device, a condensate water tank, a filter screen, an electrostatic adsorption device, a heating device and a catalyst adsorption device are sequentially arranged in the body from bottom to top, and the atomization device, the condensate water tank, the electrostatic adsorption device, the heating device and the catalyst adsorption device are all communicated through an air port;
the outer side of the body is also provided with a control system, and the atomizing device, the electrostatic adsorption device, the heating device and the catalyst adsorption device are simultaneously connected with the control system;
the atomization devices are positioned above the flue gas inlet and distributed according to the circumference.
Furthermore, an evaporator is installed in the filter screen, the evaporator and components of the evaporator form a self-cleaning system of the filter screen, and the evaporator is connected with the control system.
Further, a flushing system and an air drying system are installed in the electrostatic adsorption device, and the flushing system and the air drying system are simultaneously connected with the control system.
Further, the heating device is a U-shaped heating pipe.
Further, one of granular catalysts or honeycomb catalysts is contained in the catalyst adsorption device.
Further, the gas introduced into the gas inlet is one of air, nitrogen or argon.
Furthermore, the condensed water tank is communicated with a condensed water outlet which extends out of the body;
furthermore, the upper part of the catalyst adsorption device is provided with a recovery outlet, and the lower part of the catalyst adsorption device is provided with a gas inlet.
Furthermore, the atomizing device is provided with one or more, and is a plurality of the atomizing device ring direction set up in this body.
Furthermore, the condensed water tank, the filter screen, the electrostatic adsorption device, the heating device and the catalyst adsorption device are all provided with one set or a plurality of sets.
The utility model is provided with two sets of atomization devices, a condensate water tank, a filter screen, an electrostatic adsorption device, a heating device and a catalyst adsorption device which have the same structure, and a control system is used for controlling the two sets of structures to simultaneously or independently carry out normal flue gas purification work; when the flue gas purification work is carried out independently, the other set of the flue gas purification work carries out recovery operation, and the two states are carried out alternately; the alternate work can better purify the flue gas, effectively recycle resources, protect the environment, and save energy and reduce emission.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a system for purifying and recycling smoke pollutants in the smelting industry according to an embodiment of the present invention;
wherein, 1, a body; 2. a condensate tank; 21. a first tuyere; 21' and a second tuyere; 22. A condensed water outlet; 3. a filter screen; 4. a control system; 5. an electrostatic adsorption device; 51. a third tuyere; 51', a fourth tuyere; 6. a gas inlet; 7. a heating device; 71. a fifth tuyere; 71' and a sixth tuyere; 8. a catalyst adsorption unit; 81. a seventh tuyere; 81' and an eighth tuyere; 9. a recovery outlet; 10. a flue gas outlet; 11. an atomizing device; 12. an atomized water outlet; 13. a flue gas inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the embodiment of the utility model, see fig. 1, a smoke pollutants purifies and resourceful treatment system of smelting trade, include: the body 1, body 1 bottom is provided with flue gas inlet 13 and atomized water export 12, and the top is provided with exhanst gas outlet 10.
In the specific embodiment of the present invention, as shown in fig. 1, an atomizing device, a condensate water tank, a filter screen, an electrostatic adsorption device, a heating device and a catalyst adsorption device are sequentially arranged in the body from bottom to top, and a control system 4 is further installed outside the body, wherein the atomizing device, the condensate water tank, the filter screen, the electrostatic adsorption device, the heating device and the catalyst adsorption device are all communicated through an air port;
and a switch is arranged on the air port;
the condensed water tank, the filter screen, the electrostatic adsorption device, the heating device and the catalyst adsorption device can be provided with a plurality of sets, in the embodiment, two sets are provided, namely, the condensed water tank 20 ', the filter screen 3 ', the electrostatic adsorption device 5 ', the heating device 7 ', the catalyst adsorption device 8 and the catalyst adsorption device 8 ', and the two sets of equipment work alternately, so that the condensed water tank, the filter screen, the electrostatic adsorption device, the heating device and the catalyst adsorption device can be cleaned alternately, and the effective work can be ensured;
wherein the bottom of the condensate water tank 20 is provided with a first air port 21, and the bottom of the condensate water tank 20 'is provided with a second air port 21';
wherein the bottom of the electrostatic adsorption device 5 is provided with a third tuyere 51, and the bottom of the electrostatic adsorption device 5 'is provided with a fourth tuyere 51';
wherein the bottom of the heating device 7 is provided with a fifth air port 71, and the bottom of the heating device 7 'is provided with a sixth air port 71';
wherein the top of the catalyst adsorption device 8 is provided with a seventh air port 81, and the top of the catalyst adsorption device 8 'is provided with an eighth air port 81';
the control system 4 is simultaneously connected with the atomizing device 11, the electrostatic adsorption device 5 ', the heating device 7 ', the catalyst adsorption device 8 and the catalyst adsorption device 8 ';
the first air opening 21, the second air opening 21 ', the third air opening 51, the fourth air opening 51', the fifth air opening 71, the sixth air opening 71 ', the seventh air opening 81 and the eighth air opening 81' are all provided with switches, and all the switches are connected with the control system 4.
In the embodiment of the present invention, as shown in fig. 1, the atomizing device 11 is located above the flue gas inlet 13, and the atomizing device 11 is connected to the control system 4;
the atomizing device 11 is provided with one or more, and is a plurality of atomizing device 11 ring set up in the body 1, can set up to the shape of level dislocation to promote atomizing efficiency.
In the embodiment of the present invention, see fig. 1, the condensed water outlet 22 is connected to the condensed water tank 20, the condensed water outlet 22 'is connected to the condensed water tank 20', and the atomized water vapor absorbs the waste and enters the condensed water tank 20 or the condensed water tank 20 ', is condensed and flows out of the body through the condensed water outlet 22 or the condensed water outlet 22'.
In the embodiment of the utility model, see fig. 1, all install the evaporimeter in filter screen 3 and the filter screen 3 ', the automatically cleaning system of filter screen is constituteed to evaporimeter and subassembly, the evaporimeter with control system 4 is connected, and control system 4 control evaporimeter carries out work and takes away the dirt on filter screen 3 or the filter screen 3'.
In the embodiment of the present invention, see fig. 1, a washing system and an air drying system are installed in the electrostatic adsorption device 5 and the electrostatic adsorption device 5', and both the washing system and the air drying system are connected to the control system 4.
In the embodiment of the present invention, as shown in fig. 1, the heating device 7 and the heating device 7' are U-shaped heating pipes, and it is needless to say that S-shaped heating pipes or heating pipes with other shapes may be provided to increase the heating area.
In the embodiment of the present invention, as shown in fig. 1, the catalyst adsorption device 8 and the catalyst adsorption device 8' contain one of granular catalyst and honeycomb catalyst.
In the embodiment of the present invention, as shown in fig. 1, the gas introduced into the gas inlet 6 is one of air, nitrogen and argon.
In the specific embodiment of the utility model, see fig. 1, in operation, smelting flue gas is let into the body 1 through the flue gas inlet 13, under the atomization of the atomizing device 11, water is atomized into fine water mist, the fine water mist is used for reducing the flue gas temperature and preliminarily filtering the flue gas, weight is increased after part of dust particles in the flue gas are stained with water, the dust particles stained with water can be separated from the flue gas under the action of gravity, finally the flue gas is discharged out of the body 1 through the atomized water outlet 12, and the flue gas after preliminary cleaning enters the filter screen 3 through the first air port 21 and the second air port 21';
the evaporator is arranged in the filter screen 3, the evaporator and the components of the evaporator form a self-cleaning system, the temperature of the evaporator is rapidly reduced, the surface of the evaporator is condensed into frost, then the frost is dissolved along with the evaporator under the condition of temperature adjustment, and bacteria and dust on the surface of the evaporator are taken away, so that a good cleaning effect can be achieved;
the filter screen 3 and the boiler screen 3' are cooperative, the control system 4 can control the action of each tuyere by setting time, therefore, the whole purification process is controlled, at the beginning, the control system 4 controls the first air inlet 21 to open the second air inlet 21 'and close the filter screen 3 on the left side, after working for a certain time, the second air inlet 21' is opened, then the first air port 21 is closed, the filter screen 3 ' starts to enter a self-cleaning mode, the first air port 21 is opened and the second air port 21 ' is closed after the first air port is cleaned, the filter screen 3 ' starts to enter the self-cleaning mode, the cleaning is circulated, the normal work of the high-temperature flue gas desulfurization, denitrification and dust removal system cannot be influenced in the cleaning process, and frost generated in the cleaning process can be dripped into the condensate water tank 20 through condensate water after being melted and is finally discharged through the condensate water outlet 22 or the condensate water outlet 22';
the flue gas passing through the filter screen 3 enters the electrostatic adsorption device 5 and the electrostatic adsorption device 5 ' through the third air port 51 and the fourth air port 51 ', the electrostatic adsorption device 5 and the electrostatic adsorption device 5 ' work cooperatively, the control system 4 controls the third air port 51 to open the fourth air port 51 ' to close when the left electrostatic adsorption device 5 works for a certain time, the fourth air port 51 ' is opened, then the third air port 51 is closed, the electrostatic adsorption device 5 starts to wash the electrostatic adsorption plate water by using a washing system, the cleaning is finished and the drying is automatically carried out by using an air drying system, the third air port 51 opens the fourth air port 51 ' to close when a certain time is reached, the starting water of the electrostatic adsorption device 5 ' is washed and cleaned, and the cleaning is carried out in a circulating manner;
the flue gas treated by the electrostatic adsorption device 5 and the electrostatic adsorption device 5 ' enters the catalyst adsorption device 8 and the catalyst adsorption device 8 ' through the fifth air port 71 and the sixth air port 71 ', the adsorbed sulfides and heavy metals in the flue gas are adsorbed on the surfaces of the catalyst adsorption device 8 and the catalyst adsorption device 8 ' under the adsorption action of the catalyst adsorption device 8 and the catalyst adsorption device 8 ', after a certain time, the catalyst adsorption device 8 and the catalyst adsorption device 8 ' are deactivated due to being completely covered by the adsorbed substances, at this time, the heating device 7 and the heating device 7 ' arranged at the bottom of the catalyst adsorption device 8 and the catalyst adsorption device 8 ' are started, and the heating device 7 ' are respectively used for heating the catalyst adsorption device 8 and the catalyst adsorption device 8 ', so that the sulfides and the heavy metals adsorbed on the catalyst adsorption device 8 and the catalyst adsorption device 8 ' are subjected to desorption reaction under the action, the generated pollutants are recycled along with the carrier gas; the specific working process of the catalyst adsorption device 8 and the catalyst adsorption device 8 ' is that the control system 4 controls the gas inlet 6 and the recovery outlet 9 and the gas inlet 6 ' and the recovery outlet 9 ' to be closed when the desorption reaction is not carried out, when the catalyst adsorption device 8 normally works, the fifth tuyere 71 and the seventh tuyere 81 are opened, the sixth tuyere 71 ' and the eighth tuyere 81 ' are closed, the heating device 7 is not started, when the desorption reaction is required by the catalyst adsorption device 8, the sixth tuyere 71 ' and the eighth tuyere 81 ' are opened, the fifth tuyere 71 and the seventh tuyere 81 are closed, the heating device 7 is started to heat, the gas inlet 6 and the recovery outlet 9 on the left side are opened, gas is introduced into the gas inlet 6, and the desorbed sulfide and heavy metal carried by the gas are recovered from the recovery outlet 9; when the catalyst adsorption device 8 'needs to be desorbed, the control system 4 controls the fifth tuyere 71 and the seventh tuyere 81 to be opened, the sixth tuyere 71' and the eighth tuyere 81 'to be closed, the heating device 7' is started to heat, the gas inlet 6 'and the recovery outlet 9' on the right side are opened, gas is introduced into the gas inlet 6 ', the gas carries desorbed sulfides and heavy metals to be recovered from the recovery outlet 9', and the steps are repeated in a circulating manner after a certain time; the industrial waste gas meeting the emission standards is finally discharged into the atmosphere via the flue gas outlet 10.
The smoke in the smelting industry contains a large amount of chemical substances, the effective utilization of the chemical substances not only saves resources, but also protects the environment from being polluted, the generated social benefit and economic benefit are very great, the smoke pollutant purification and resource treatment system in the smelting industry has a simple and novel structure, the waste gas treatment efficiency is effectively improved, and the environment is protected.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A smelting industry flue gas pollutant purifies and resourceful treatment system includes: the device comprises a body, wherein the bottom of the body is provided with a flue gas inlet and an atomized water outlet, and the top of the body is provided with a flue gas outlet;
the method is characterized in that: an atomization device, a condensate water tank, a filter screen, an electrostatic adsorption device, a heating device and a catalyst adsorption device are sequentially arranged in the body from bottom to top, and the atomization device, the condensate water tank, the electrostatic adsorption device, the heating device and the catalyst adsorption device are all communicated through an air port;
the outer side of the body is also provided with a control system which is simultaneously connected with the atomization device, the electrostatic adsorption device, the heating device and the catalyst adsorption device;
the atomization device is positioned above the flue gas inlet.
2. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: an evaporator is installed in the filter screen and connected with the control system.
3. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: and a flushing system and an air drying system are arranged in the electrostatic adsorption device.
4. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: the heating device is a U-shaped heating pipe.
5. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: one of granular catalysts or honeycomb catalysts is contained in the catalyst adsorption device.
6. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: the upper part of the catalyst adsorption device is provided with a recovery outlet, and the lower part of the catalyst adsorption device is provided with a gas inlet.
7. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: the condensed water tank is communicated with a condensed water outlet, and the condensed water outlet extends out of the body.
8. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 6, wherein: the gas introduced into the gas inlet is preferably air, nitrogen or argon.
9. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: the atomizing device is provided with one or more, and is a plurality of the atomizing device ring set up in this is internal.
10. The system for purifying and recycling smoke pollutants in the smelting industry as claimed in claim 1, wherein: the condensed water tank, the filter screen, the electrostatic adsorption device, the heating device and the catalyst adsorption device are all provided with one set or a plurality of sets.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276549.4U CN212327936U (en) | 2019-12-17 | 2019-12-17 | Smoke pollutant purification and recycling treatment system in smelting industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276549.4U CN212327936U (en) | 2019-12-17 | 2019-12-17 | Smoke pollutant purification and recycling treatment system in smelting industry |
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| CN212327936U true CN212327936U (en) | 2021-01-12 |
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| CN201922276549.4U Active CN212327936U (en) | 2019-12-17 | 2019-12-17 | Smoke pollutant purification and recycling treatment system in smelting industry |
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