CN213159884U - Ultra-low emission device for smoke pollutants of coal-fired boiler - Google Patents
Ultra-low emission device for smoke pollutants of coal-fired boiler Download PDFInfo
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- CN213159884U CN213159884U CN202020957586.1U CN202020957586U CN213159884U CN 213159884 U CN213159884 U CN 213159884U CN 202020957586 U CN202020957586 U CN 202020957586U CN 213159884 U CN213159884 U CN 213159884U
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- dust removal
- filter screen
- removal tank
- pipe
- flue gas
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Abstract
The utility model discloses a flue gas pollutant ultra-low emission device of coal fired boiler, including dust removal tank and retort, the left side sub-unit connection of dust removal tank has the intake pipe, from supreme three sets of filter screens of having equipped with in proper order down in the dust removal tank, the dust removal tank top is equipped with the motor, be connected with the pivot on the motor, the pivot inserts in the dust removal tank, fixedly connected with three sets of cleaning brushes in the pivot, the right side bottom of dust removal tank is connected with the blow off pipe, be equipped with first control valve on the blow off pipe, dust removal tank right side upper portion is connected with the air duct, the air duct inserts in the retort; the utility model discloses a set up the filter screen that three meshes number increased in proper order and filter the dust granule in the flue gas, the dust is got rid of effectually, drives the cleaning brush through the motor simultaneously and rotates, can clear up the dust of adhesion on the filter screen, and the accessible shower nozzle washs the filter screen, and is effectual to the cleanness of filter screen, can prevent that the filter screen from taking place to block up.
Description
Technical Field
The utility model relates to a flue gas treatment technical field specifically is a coal fired boiler's ultra-low discharging equipment of flue gas pollutant.
Background
The coal-fired boiler is coal burning fuel, the heat of the coal is converted to generate steam or become hot water, but not all the heat is converted effectively, and a part of the heat is consumed without work, so that the efficiency problem exists, a large amount of flue gas is generated when the coal-fired boiler is used, particles, sulfur-containing compounds and nitrogen-containing compounds contained in the flue gas are substances polluting the atmosphere, and the smoke dust problem of the coal-fired boiler is troubled all the time.
At present, the processing to coal fired boiler flue gas is generally to remove dust earlier, then carries out desulfurization denitrogenation processing again, but because contain a large amount of dust particles in the flue gas, and the size of dust particle is different, must cause blocking phenomenon after dust collecting equipment uses for a long time, causes equipment failure, causes certain influence to the processing of flue gas, and it is comparatively inconvenient to use.
Based on this, the utility model designs a coal fired boiler's ultralow discharging equipment of flue gas pollutant to solve the above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coal fired boiler's ultralow discharging equipment of smoke pollutants, filter the dust granule in the flue gas through setting up the filter screen that three mesh numbers increase in proper order, the dust is got rid of effectually, it rotates to drive the cleaning brush through the motor simultaneously, can clear up the dust of adhesion on the filter screen, and the accessible shower nozzle washs the filter screen, it is effectual to the cleanness of filter screen, can prevent that the filter screen from taking place to block up, can detect the pH value of reaction liquid through the pH detector, be convenient for know the reaction condition, and in time change reaction liquid, with the problem of proposing in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an ultra-low emission device for flue gas pollutants of a coal-fired boiler comprises a dust removal tank and a reaction tank, wherein the lower part of the left side of the dust removal tank is connected with an air inlet pipe, three groups of filter screens are sequentially arranged in the dust removing tank from bottom to top, a motor is arranged at the top of the dust removing tank, the motor is connected with a rotating shaft which is inserted into the dust removing tank, the rotating shaft is fixedly connected with three groups of cleaning brushes which are respectively contacted with three groups of filter screens, the bottom of the right side of the dust removing tank is connected with a drain pipe, the drain pipe is provided with a first control valve, the upper part of the right side of the dust removing tank is connected with an air duct, the gas guide pipe is inserted into the reaction tank, reaction liquid is arranged in the reaction tank, the top of the reaction tank is connected with an exhaust pipe, the pH detector is installed to retort right side inner wall, retort right side wall is equipped with the display screen, electric connection between pH detector and the display screen.
Preferably, the two sides of the top of the dust removal tank are both provided with water pipes to penetrate through, the bottom ends of the two groups of water pipes are fixedly connected with spray heads, the top ends of the two groups of water pipes are both connected with a header pipe, and the header pipe is connected with an external water source.
Preferably, three groups of filter screens are respectively first filter screen, second filter screen and third filter screen from bottom to top, the mesh number of first filter screen, second filter screen and third filter screen increases gradually.
Preferably, the bottom of the dust removal tank is fixedly connected with a sliding table, the top surface of the sliding table is an inclined plane, and the top surface of the sliding table inclines downwards from left to right.
Preferably, the right side wall of the dust removal tank is provided with a switch, and the switch is electrically connected with the motor.
Preferably, the upper part of the left side of the reaction tank is connected with a liquid feeding pipe, the liquid feeding pipe is provided with a second control valve, the bottom of the right side of the reaction tank is connected with a liquid discharge pipe, and the liquid discharge pipe is provided with a third control valve.
Preferably, the bottom end of the air duct is connected with a diffusion hopper.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is not only novel in structure, filter the dust granule in the flue gas through setting up the filter screen that three meshes number increase in proper order, the dust is got rid of effectually, it rotates to drive the cleaning brush through the motor simultaneously, can clear up the dust of adhesion on the filter screen, and the accessible shower nozzle washs the filter screen, it is effectual to the cleanness of filter screen, can prevent that the filter screen from taking place to block up, can detect the pH value of reaction liquid through the pH detector, be convenient for know the reaction condition, and in time change reaction liquid, it is very convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides a flue gas pollutant ultra-low emission device technical scheme of coal fired boiler: the device comprises a dust removing tank 1 and a reaction tank 13, wherein the lower part of the left side of the dust removing tank 1 is connected with an air inlet pipe 2, smoke enters the dust removing tank 1 through the air inlet pipe 2, three groups of filter screens are sequentially arranged in the dust removing tank 1 from bottom to top to filter dust particles for multiple times, the dust removing effect is good, a motor 10 is arranged at the top of the dust removing tank 1, a rotating shaft 25 is connected onto the motor 10, the rotating shaft 25 is inserted into the dust removing tank 1, three groups of cleaning brushes 4 are fixedly connected onto the rotating shaft 25, the three groups of cleaning brushes 4 are respectively contacted with the three groups of filter screens, the rotating shaft 25 is driven by the motor 10 to rotate, the cleaning brushes 4 rotate along with the rotating shaft 25 to clean the dust particles attached to the filter screens, the bottom of the right side of the dust removing tank 1 is connected with a sewage discharge pipe 23 to facilitate discharging dirt, a first control valve 22 is, air duct 11 inserts in retort 13, flue gas after the dust removal is equipped with reaction liquid in the retort 13 via air duct 11 entering retort 13, reaction liquid is sodium hydroxide solution, retort 13 top is connected with blast pipe 12, flue gas after the processing is discharged via blast pipe 12, pH detector 14 is installed to retort 13 right inner wall, retort 13 right side wall is equipped with display screen 15, pH detector 14 detects the pH of reaction liquid, the testing result shows through display screen 15, electric connection between pH detector 14 and the display screen 15.
The two sides of the top of the dust removing tank 1 are respectively penetrated by a water pipe 8, the bottom ends of the two groups of water pipes 8 are respectively and fixedly connected with a spray head 7, the top ends of the two groups of water pipes 8 are respectively connected with a header pipe 9, the header pipe 9 is connected with an external water source, the spray heads 7 can be used for carrying out water spray cleaning on the filter screen, the cleaning effect on the filter screen is good, and the filter screen can be prevented from being blocked; the three groups of filter screens are respectively a first filter screen 3, a second filter screen 5 and a third filter screen 6 from bottom to top, the mesh number of the first filter screen 3, the second filter screen 5 and the third filter screen 6 is gradually increased, and through multiple filtration, dust particles are sequentially filtered from large to small, so that the dust removal effect is good; the bottom of the dust removing tank 1 is fixedly connected with a sliding table 24, the top surface of the sliding table 24 is an inclined surface, and the top surface of the sliding table 24 is inclined downwards from left to right, so that waste liquid for cleaning the filter screen can be conveniently discharged; the right side wall of the dust removing tank 1 is provided with a switch 21, the switch 21 is electrically connected with the motor 10, and the motor can be controlled through the switch 21.
Wherein, the upper part of the left side of the reaction tank 13 is connected with a liquid feeding pipe 20, new reaction liquid can be added into the reaction tank 13 through the liquid feeding pipe 20, the liquid feeding pipe 20 is provided with a second control valve 19 for controlling the addition of the reaction liquid, the bottom of the right side of the reaction tank 13 is connected with a liquid discharging pipe 18, the reaction liquid after reaction is discharged through the liquid discharging pipe 18, and the liquid discharging pipe 18 is provided with a third control valve 17 for controlling the discharge of the reaction liquid; the bottom end of the gas-guide tube 11 is connected with a diffusion hopper 16, which can increase the contact area of the flue gas and the reaction liquid and has good reaction effect.
The specific working principle is as follows:
when the device is used, the device is communicated with an external power supply, smoke enters the dust removal tank 1 through the air inlet pipe 2, the first filter screen 3, the second filter screen 5 and the third filter screen 6 sequentially filter dust particles in the smoke from large to small, part of the filtered dust particles fall on the sliding table under the action of gravity, part of dust is attached to the first filter screen 3, the second filter screen 5 and the third filter screen 6, the dedusted smoke enters the reaction tank 13 through the air duct 11 and reacts with reaction liquid in the reaction tank 13 to remove nitrogen and sulfur oxides in the smoke, the treated smoke is discharged through the exhaust pipe 12, after the device is used for a period of time, the motor 10 can be turned on through the switch 21, the motor 10 drives the rotating shaft 25 to rotate, the cleaning brush 4 rotates along with the rotating shaft 25 to clean the dust particles attached to the filter screens, the cleaned dust particles fall on the sliding table under the action of gravity, accessible shower nozzle 7 carries out water spray cleaning to the filter screen, it is effectual to the cleanness of filter screen, can prevent that the filter screen from taking place to block up, open first control valve 22, the filth is discharged via blow off pipe 23, pH detector 14 detects the pH of reaction liquid, along with going on to flue gas treatment, the pH of reaction liquid diminishes gradually, the result that pH detector 14 detected shows through display screen 15, when the pH that detects the reaction liquid is close 7, can open third control valve 17, the reaction liquid after will reacting is discharged through fluid-discharge tube 18, open second control valve 19 simultaneously, add new reaction liquid in to retort 13 through liquid feeding pipe 20.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a coal fired boiler's ultra-low discharging equipment of flue gas pollutant, includes dust removal tank (1) and retort (13), its characterized in that: the dust removal tank is characterized in that the lower portion of the left side of the dust removal tank (1) is connected with an air inlet pipe (2), three groups of filter screens are sequentially arranged in the dust removal tank (1) from bottom to top, a motor (10) is arranged at the top of the dust removal tank (1), a rotating shaft (25) is connected to the motor (10), the rotating shaft (25) is inserted into the dust removal tank (1), three groups of cleaning brushes (4) are fixedly connected to the rotating shaft (25), the cleaning brushes (4) are respectively contacted with the three groups of filter screens, a blow-off pipe (23) is connected to the bottom of the right side of the dust removal tank (1), a first control valve (22) is arranged on the blow-off pipe (23), an air guide pipe (11) is connected to the upper portion of the right side of the dust removal tank (1), the air guide pipe (11) is inserted into a reaction, PH detector (14) is installed to retort (13) right side inner wall, retort (13) right side wall is equipped with display screen (15), electric connection between pH detector (14) and display screen (15).
2. The ultra-low emission device of flue gas pollutants for coal-fired boiler of claim 1, characterized in that: dust removal jar (1) top both sides all have water pipe (8) to pass, and two sets of water pipe (8) bottom is equal fixedly connected with shower nozzle (7), and is two sets of water pipe (8) top all is connected with house steward (9), house steward (9) are connected with outside water source.
3. The ultra-low emission device of flue gas pollutants for coal-fired boiler of claim 1, characterized in that: and the filter screens are respectively a first filter screen (3), a second filter screen (5) and a third filter screen (6) from bottom to top, and the mesh numbers of the first filter screen (3), the second filter screen (5) and the third filter screen (6) are gradually increased.
4. The ultra-low emission device of flue gas pollutants for coal-fired boiler of claim 1, characterized in that: the bottom of the dust removal tank (1) is fixedly connected with a sliding table (24), the top surface of the sliding table (24) is an inclined plane, and the top surface of the sliding table (24) inclines downwards from left to right.
5. The ultra-low emission device of flue gas pollutants for coal-fired boiler of claim 1, characterized in that: the right side wall of the dust removing tank (1) is provided with a switch (21), and the switch (21) is electrically connected with the motor (10).
6. The ultra-low emission device of flue gas pollutants for coal-fired boiler of claim 1, characterized in that: the reaction tank is characterized in that a liquid adding pipe (20) is connected to the upper portion of the left side of the reaction tank (13), a second control valve (19) is arranged on the liquid adding pipe (20), a liquid discharging pipe (18) is connected to the bottom of the right side of the reaction tank (13), and a third control valve (17) is arranged on the liquid discharging pipe (18).
7. The ultra-low emission device of flue gas pollutants for coal-fired boiler of claim 1, characterized in that: the bottom end of the air duct (11) is connected with a diffusion hopper (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020957586.1U CN213159884U (en) | 2020-05-28 | 2020-05-28 | Ultra-low emission device for smoke pollutants of coal-fired boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020957586.1U CN213159884U (en) | 2020-05-28 | 2020-05-28 | Ultra-low emission device for smoke pollutants of coal-fired boiler |
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| CN213159884U true CN213159884U (en) | 2021-05-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225107A (en) * | 2023-11-15 | 2023-12-15 | 连云港晟源科技有限公司 | Explosion-proof boiler smoke and dust purifying treatment equipment |
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2020
- 2020-05-28 CN CN202020957586.1U patent/CN213159884U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117225107A (en) * | 2023-11-15 | 2023-12-15 | 连云港晟源科技有限公司 | Explosion-proof boiler smoke and dust purifying treatment equipment |
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