Purifier is used in atmosphere pollution treatment
Technical Field
The invention belongs to the technical field of air pollution treatment, and particularly relates to a purification device for air pollution treatment.
Background
Atmospheric pollution is a phenomenon in which certain substances enter the atmosphere due to human activities or natural processes, present sufficient concentrations, reach sufficient times, and thus jeopardize the comfort, health and welfare of the human body or the environment; the air pollution purification refers to a process of reducing or eliminating pollutants in the air through physical, chemical and biological effects and the like; it is divided into an atmosphere self-purification mode and a manual atmosphere purification mode. Before the traditional purifying equipment body purifies the flue gas, the air is not filtered, so that the prevention and control equipment body is easy to block; and only has a structure of once dust removal, the structure is simple, and the flue gas purification efficiency needs to be improved when the flue gas is filtered.
Disclosure of Invention
The invention aims to provide a purification device for treating atmospheric pollution, which removes dust particles with large and medium particle sizes in flue gas through the matching of a fan and a filter screen, removes dust with small particle sizes through a dust removal device, removes dust in the flue gas, and improves the efficiency of flue gas purification.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a purification device for treating atmospheric pollution, which comprises a pretreatment device, a dust removal device and a desulfurization device; a smoke inlet pipe is fixed at the upper end of the pretreatment device, a funnel is fixed at the lower end of the pretreatment device, a through hole is formed at the left end of the pretreatment device, the through hole is communicated with the smoke inlet pipe and the funnel, a fan is fixed at the left end of the through hole, a fan cover matched with the fan is fixed at the left end surface of the pretreatment device, a filter plate matched with the inner cavity of the smoke inlet pipe is fixed on the inner wall of the through hole, an ash removal rod is rotationally matched at the left end of the filter plate through a circular table, a motor is fixed at the upper end of the pretreatment device, the motor controls the rotation of a rotary rod through a rotor, and the rotary rod is linked with the ash removal rod through; the fan separates dust particles with large particle size or heavy mass from the airflow under the action of wind force; the pretreatment device is used for carrying out primary filtration treatment on the flue gas and screening out particles with large particle sizes in the flue gas, and the dust removal device is used for ionizing the flue gas by utilizing a high-voltage electric field and is used for charging dust with small particle sizes in the air flow so as to separate the dust from the air flow under the action of the electric field; the fan, the motor and the dust removal device are all electrically connected with the working power supply.
Furthermore, a dust removal device is fixed at the right end of the pretreatment device and is communicated with the through hole, and an ash hopper is fixed on the peripheral side surface of the dust removal device; the right end of the through hole is used for conveying flue gas, and the pretreated flue gas is sent into the dust removal device for further treatment.
Furthermore, a primary filter screen, an ionizer, a dust collecting plate and a secondary filter screen are sequentially fixed in the inner cavity of the dust removal device from left to right, and the diameter of the primary filter screen and the diameter of the secondary filter screen are consistent with the inner diameter of the dust removal device; the primary filter screen primarily filters the flue gas entering the dust removal device, the ionizer charges the dust in the flue gas, and the dust collecting plate intercepts the charged dust to reduce the content of the dust in the airflow; the second grade filter screen adopts the active carbon material, the second grade filter screen is used for intercepting uncharged dust, further separates the dust from the air current, simultaneously through the adsorption of active carbon, clean air.
Furthermore, the right end of the dust removal device is connected with a desulfurization device through a guide pipe, the desulfurization device is communicated with the dust removal device, and an exhaust pipe is fixed at the upper end of the desulfurization device; the desulfurization device is used for removing SO in the flue gas2Molecule, reduction of SO2The emission amount of the smoke is reduced, and the pollution caused by directly discharging the smoke into the atmosphere is reduced.
The invention has the following beneficial effects:
according to the invention, flue gas is primarily screened by the fan, the filter screen further intercepts dust with larger particle size, and the motor drives the ash removal rod to rotate, so that most of dust is discharged from the hopper; the dust with small particle size is subjected to electrostatic treatment by a dust removal device, so that the dust is separated from the airflow, and the dust in the flue gas is removed; then the mixture is subjected to desulfurization treatment by a desulfurization device; the content of pollutants in the flue gas is reduced.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of a purification apparatus for atmospheric pollution control according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a cross-sectional view of a pretreatment device;
in the drawings, the components represented by the respective reference numerals are listed below:
1-pretreatment device, 2-dust removal device, 3-desulfurization device, 4-smoke inlet pipe, 5-funnel, 6-fan, 7-fan cover, 8-filter plate, 9-ash removal rod, 10-motor, 11-rotating rod, 12-linkage rod, 101-through hole, 201-ash bucket, 202-primary filter screen, 203-ionizer, 204-dust collection plate, 205-secondary filter screen, 301-exhaust pipe, 801-filter hole and 802-filter screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention is a purification device for atmospheric pollution control, comprising a pretreatment device 1, a dust removal device 2 and a desulfurization device 3;
a dust removal device 2 is fixed at the right end of the pretreatment device 1, the dust removal device 2 is communicated with the through hole 101, and an ash bucket 201 is fixed on the peripheral side surface of the dust removal device 2; the right end of the through hole 101 is used for conveying flue gas, and the pretreated flue gas is sent into the dust removal device 2 for further treatment; a primary filter screen 202, an ionizer 203, a dust collecting plate 204 and a secondary filter screen 205 are sequentially fixed in the inner cavity of the dust removing device 2 from left to right, and the diameter of the primary filter screen 202 and the diameter of the secondary filter screen 205 are consistent with the inner diameter of the dust removing device 2; the primary filter screen 202 primarily filters the flue gas entering the dust removal device 2, the ionizer 203 charges the dust in the flue gas, and the dust collecting plate 204 intercepts the charged dust to reduce the dust content in the air flow; the secondary filter screen 205 is made of activated carbon, the secondary filter screen 205 is used for intercepting uncharged dust, further separating the dust from air flow, and cleaning air through the adsorption effect of the activated carbon;
the right end of the dust removal device 2 is connected with a desulfurization device 3 through a guide pipe, the desulfurization device 3 is communicated with the dust removal device 2, and an exhaust pipe 301 is fixed at the upper end of the desulfurization device 3; the desulfurizing device 3 is used for removing SO in the flue gas2Molecule, reduction of SO2The emission amount of the flue gas is reduced, and the pollution caused by directly discharging the flue gas into the atmosphere is reduced;
a smoke inlet pipe 4 is fixed at the upper end of the pretreatment device 1, a funnel 5 is fixed at the lower end of the pretreatment device 1, a through hole 101 is formed in the left end of the pretreatment device 1, the through hole 101 is communicated with the smoke inlet pipe 4 and the funnel 5, a fan 6 is fixed at the left end of the through hole 101, and the fan 6 is used for screening dust with different particle sizes; a fan cover 7 matched with the fan 6 is fixed on the left end face of the pretreatment device 1, and the fan cover 7 prevents dust in the air from entering the pretreatment device 1; a filter plate 8 matched with the inner cavity of the smoke inlet pipe 4 is fixed on the inner wall of the through hole 101, the left end of the filter plate 8 is matched with an ash removal rod 9 in a rotating mode through a circular table, and the ash removal rod 9 is used for cleaning dust on the filter plate 8; a motor 10 is fixed at the upper end of the pretreatment device 1, the motor 10 controls the rotation of a rotating rod 11 through a rotor, the rotating rod 11 is linked with the ash removal rod 9 through a linkage rod 12, and the motor 10 controls the rotation of the ash removal rod 9; the fan 6 separates the dust particles with large particle size or heavy mass from the airflow under the action of wind force; the pretreatment device 1 is used for carrying out primary filtration treatment on the flue gas and screening out particles with large particle sizes in the flue gas, and the dust removal device 2 is used for ionizing the flue gas by utilizing a high-voltage electric field and is used for charging dust with small particle sizes in the air flow so that the dust is separated from the air flow under the action of the electric field; and the fan 6, the motor 10 and the dust removal device are electrically connected with a working power supply.
One specific application of this embodiment is: the flue gas is guided into the pretreatment device 1 from the smoke inlet pipe 4, under the action of external force such as gravity, the dust particles with large particle size directly move from top to bottom along the inner wall of the smoke inlet pipe 4, and are finally discharged from the funnel 5; the dust particles with medium and small particle sizes pass through the filter plate 8 from left to right under the action of the fan 6, the filter screen 802 in the filter plate 8 intercepts the dust particles with medium particle sizes, and the motor controls the rotation of the rotating rod 11 to drive the ash cleaning rod 9 to work; the dust particles with small particle size enter the dust removing device 2 along with the airflow, the dust particles are charged when the airflow passes through the ionizer 203, the charged dust particles are intercepted under the action of an electric field when the airflow passes through the dust collecting plate 204 and are accumulated on the dust collecting plate 204, and the intercepted dust particles can be discharged from the ash hopper 201; then, when the airflow passes through the secondary filter screen 205 made of activated carbon, substances such as residual dust in the airflow are removed by activated carbon adsorption; finally, the gas flow is discharged to the atmosphere after being subjected to desulfurization treatment by the desulfurization device 3.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 invention disclosed above are intended to be illustrative only. 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 the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.