The preliminary treatment dust arrester
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of cleaner, particularly a kind of preliminary treatment dust arrester.
Background technology
In commercial production, some operation can produce amounts of dust, like polishing." The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution " regulation " to the pollutant discharging unit of airborne release dust, must be taked dust suppression.Strict restriction contains the waste gas and the dust of Toxic matter to airborne release; Really need discharging, must be no more than the discharge standard of regulation " through purified treatment.In the above-mentioned dedusting or purification process technique, cleaner is absolutely necessary.
At present, the deduster that people design has following several types: mechanical collector, sack cleaner, wet scrubber and electrostatic precipitator etc.Wherein mechanical collector comprises gravitational precipitator, cyclone dust collectors and multi-tube dust cleaner again.The structure of above-mentioned deduster, principle, efficiency of dust collection and suitable environment are all different.Though the kind of above-mentioned deduster is existing multiple, still can't satisfy the requirement of some enterprises to factors such as deduster structure, dust removing effects and manufacturing costs.Therefore, urgent those skilled in the art design the deduster of different structure and principle again.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed a kind of preliminary treatment dust arrester that can effectively reduce dust content in the gas.
The purpose of the utility model can realize through following technical proposal: a kind of preliminary treatment dust arrester, comprise a casing, and it is characterized in that be provided with dividing plate in the described casing, described dividing plate is cut apart cabinets cavity and is adjacent cavity in the left and right sides one and cavity two; The bottom of described cavity one and cavity two is connected; Described casing is provided with air inlet pipe that is connected with cavity one top and the escape pipe that is connected with cavity two tops; Described bottom half is provided with the control of dust mechanism that the dust that can make accumulation takes out in the casing; Be provided with at least two in the described cavity one from top to bottom and can make the tortuous in-house deflection plate of dust importing control of dust that flows and can make sedimentation of gas; A deflection plate in two neighbouring deflection plates is connected on the sidewall of cavity one, and another deflection plate is connected on another sidewall of cavity one; Between described deflection plate and the cavity that is connected this adjacent baffle one sidewall and all had ebb interval between two neighbouring described deflection plates.
The principle of this preliminary treatment dust arrester is to utilize the gravity of dust and increase gas and the contact area of baffle plate and then dust adhesion is deposited on the baffle plate.Specifically, gas gets in the cavity one from inlet tube, and gas moves downward with respect to casing vertical axis complications.In this motion process, gas is collided with deflection plate from top to bottom, and dust just adheres to the surface that is deposited in deflection plate.The dust adhesion in one zone, deflection plate surface reach a certain amount of after, can overcome under the effect of himself gravity and the deflection plate surface between frictional force and automatically glide in falling into control of dust mechanism.Then, gas gets into the bottom of cavity two; Then gas moves upward until discharging from escape pipe again.
In above-mentioned preliminary treatment dust arrester; Also be provided with at least two in the described cavity two from top to bottom and can make the tortuous in-house deflection plate of dust importing control of dust that flows and can make sedimentation of gas; A deflection plate in two neighbouring deflection plates is connected on the sidewall of cavity two, and another deflection plate is connected on another sidewall of cavity two; Between described deflection plate and the cavity that is connected this adjacent baffle two sidewalls and all had ebb interval between two neighbouring described deflection plates.Deflection plate also is set in cavity two has improved the area that gas contacts with deflection plate, promptly can improve the probability that dust is adsorbed in the gas, improved the efficiency of dust collection of this preliminary treatment dust arrester thus effectively.Through evidence, the efficiency of dust collection of this preliminary treatment dust arrester reaches more than 85%.
In above-mentioned preliminary treatment dust arrester, described deflection plate is obliquely installed, and the highest point of deflection plate is connected with casing; Formed ebb interval between the lowest part of deflection plate and the sidewall of casing.
In above-mentioned preliminary treatment dust arrester, the width that formed ebb interval between the lowest part of described deflection plate and the sidewall of casing is half the less than respective chamber (cavity one or cavity two) width.This structure can guarantee the contact area between gas and the deflection plate effectively, has also stopped the gas vertical line simultaneously and has flowed.
In above-mentioned preliminary treatment dust arrester, described deflection plate is 40 °~80 ° with respect to casing with angle between the sidewall that this deflection plate highest point links to each other.This angle promptly can guarantee to flow and flow swimmingly, can automatically glide with dust that deflection plate brushes up against adsorption and sedimentation mutually.
In above-mentioned preliminary treatment dust arrester, crossing ebb interval less than the ebb interval of crossing between all the other two neighbouring deflection plates between two described deflection plates of foot.This structure can make the speed of crossing ebb interval that gas flows through between two deflection plates of foot be higher than other the regional speed that flows through, can improve thus the effect of utilizing the sedimentation of dust self gravitation and and deflection plate between adhesion.
In above-mentioned preliminary treatment dust arrester, the lowest part that is positioned at a described deflection plate of foot can be positioned at control of dust mechanism.
In above-mentioned preliminary treatment dust arrester, described deflection plate is fixed by welding on the casing.
In above-mentioned preliminary treatment dust arrester, the sidewall that described casing is relative with the hypotenuse of deflection plate is connected with adjacent sidewall through demountable structure.
In above-mentioned preliminary treatment dust arrester, have on the sidewall of described casing and the equal slot one to one in the structure of deflection plate and position, the outer edge of described deflection plate embeds in the slot.Detachable and the deflection plate of wall box detachably all are the dust arresters of this preliminary treatment of clean and maintenance for ease, improve its service life and stop the secondary pollution that dust causes.
In above-mentioned preliminary treatment dust arrester, described deflection plate is a filter plate.Different according to dustiness in the gas, deflection plate can directly be selected filter plate for use, and this structure can guarantee dust removing effects.
In above-mentioned preliminary treatment dust arrester, described control of dust mechanism comprises a control of dust drawer, and the outside wall energy of described control of dust drawer and the sidewall of casing form sealing.
Compared with prior art, this preliminary treatment dust arrester has the following advantages:
1, this dust arrester only comprises casing and deflection plate, therefore has advantage simple in structure, reasonable in design.Simultaneously, casing and deflection plate all can adopt light sheet manufacturing, therefore also have to manufacture flexible, convenient and the low advantage of manufacturing expense.
2, this dust arrester also has the efficiency of dust collection height, the advantage of easy to use and long service life.
Description of drawings
Fig. 1 is the sectional structure sketch map of this preliminary treatment dust arrester.
Fig. 2 is the sectional structure sketch map of A-A among Fig. 1.
Fig. 3 is the sectional structure sketch map of B-B among Fig. 1.
Among the figure, 1, casing; 11, cavity one; 12, cavity two; 2, deflection plate; 3, dividing plate; 4, cross ebb interval; 5, control of dust drawer; 6, air inlet pipe; 7, escape pipe.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As shown in Figure 1, this preliminary treatment dust arrester comprises casing 1, dividing plate 3, control of dust mechanism and deflection plate 2.
Specifically, casing 1 has a sealing ground inner chamber; The casing 1 that this Figure of description provides is rectangular-shaped.Dividing plate 3 vertically is provided with and is positioned at casing 1, is adjacent cavity in the left and right sides 1 and cavity 2 12 so casing 1 inner chamber cut apart; Because the lower edge of dividing plate 3 does not link to each other with the bottom surface of casing 1, therefore, the bottom of cavity 1 and cavity 2 12 is connected.
Casing 1 is provided with air inlet pipe 6 that is connected with cavity one 11 tops and the escape pipe 7 that is connected with cavity 2 12 tops.Can be connected with blower fan on the escape pipe 7, gas is got into from air inlet pipe 6, through the cavity 1 and cavity 2 12 of casing 1, discharge successively from escape pipe 7 through the running of control blower fan.
To shown in Figure 3, be provided with at least two deflection plates 2 like Fig. 1 in the cavity 1 from top to bottom, deflection plate 2 all is inclined to set with respect to dividing plate 3.A deflection plate 2 in two neighbouring deflection plates 2 is connected on the sidewall of cavity 1; Another deflection plate 2 is connected on another sidewall of cavity 1.The quantity that this Figure of description provides is 8; The highest point of a deflection plate 2 in two neighbouring deflection plates 2 is connected on the dividing plate 3, the highest point of another deflection plate 2 be connected with dividing plate 3 over against sidewall on.Lowest part and the dividing plate 3 that is connected the deflection plate 2 on the dividing plate 3 over against sidewall between and all had ebb interval 4 between the neighbouring deflection plate 2.
Also be provided with at least two deflection plates 2 in the cavity 2 12 from top to bottom, a deflection plate 2 in two neighbouring deflection plates 2 is connected on the sidewall of cavity 2 12; Another deflection plate 2 is connected on another sidewall of cavity 2 12.The quantity that this Figure of description provides also is that the deflection plates 2 in 8 and the cavity 1 are symmetrical set with respect to dividing plate 3 with deflection plates 2 in the cavity 2 12.Therefore, the highest point of a deflection plate 2 in two neighbouring deflection plates 2 also is connected on the dividing plate 3, the highest point of another deflection plate 2 be connected with dividing plate 3 over against sidewall on.Lowest part and the dividing plate 3 that is connected the deflection plate 2 on the dividing plate 3 over against sidewall between and all also had ebb interval 4 between the neighbouring deflection plate 2.
In order to improve efficiency of dust collection, the width that formed ebb interval 4 between the sidewall of the lowest part of deflection plate 2 and casing 1 is half the less than respective chamber (cavity 1 or cavity 2 12) width.Deflection plate 2 is 40 °~80 ° with respect to casing 1 with angle between the sidewall that these deflection plate 2 highest points link to each other.Crossing ebb interval 4 less than crossing ebb interval 4 between all the other two the neighbouring deflection plates 2 between two deflection plates 2 of foot.
Control of dust mechanism is arranged on casing 1 bottom, and it can make accumulation dust within it in casing 1, take out.It comprises a control of dust drawer 5, and the outside wall energy of control of dust drawer 5 and the sidewall of casing 1 form sealing.
The lowest part that is positioned at a deflection plate 2 of foot can be positioned at control of dust drawer 5.More particularly, the highest point that is positioned at a deflection plate 2 of foot is to be connected on the both sides sidewall of casing 1.This structure can make dust be deposited in control of dust drawer 5 middle parts, avoids deflection plate 2 to hinder between cavitys 1 and the cavity 2 12 space again and flows swimmingly.
The principle of this preliminary treatment dust arrester is: at first, the gas that contains impurity such as dust gets in the cavitys 1 in air inlet pipe 6.Deflection plate 2 makes gas flow with respect to the perpendicular axial line of casing 1 is tortuous, produces different centrifugal forces; In the process of gas flow, touch with folding flowing phase successively from top to bottom; And then the impurity absorption such as dust of gas are deposited in the surface of deflection plate 2; The impurity such as dust of the surface adsorption sedimentation of deflection plate 2 reach a certain amount of back under himself gravity effect; Automatically glide until falling into control of dust drawer 5, and then realize primary dust removing.Then, gas gets in the cavity 2 12 from cavity 1, and deflection plate 2 makes gas flow with respect to the perpendicular axial line of casing 1 is tortuous equally, produces different centrifugal forces; In the process of gas flow, touch with folding flowing phase successively from top to bottom; And then the impurity absorption such as dust of gas are deposited in the surface of deflection plate 2; The impurity such as dust of the surface adsorption sedimentation of deflection plate 2 reach a certain amount of back under himself gravity effect; Automatically glide until falling into control of dust drawer 5, and then realize two-stage dust removal.
During dust in needs are removed control of dust drawer 5, only need are pulled out control of dust drawer 5 in the casing 1 and are toppled over.
Be adsorbed on the surface of casing 1 surface and deflection plate 2 for a long time for fear of impurity such as dust, the sidewall that casing 1 is relative with the hypotenuse of deflection plate 2 is connected with adjacent sidewall through demountable structure.This demountable structure comprises that the one edge of sidewall is hinged through hinge and adjacent sidewall, and another edge of sidewall is connected with adjacent sidewall through latch or fastener.Have on the sidewall of casing 1 and the equal slot one to one in the structure of deflection plate 2 and position, the outer edge of deflection plate 2 embeds in the slot.Therefore, when needs clean this preliminary treatment dust arrester, can open the sidewall that is connected with adjacent sidewall through demountable structure, take off deflection plate 2 then, and then can clean casing 1 and deflection plate 2 easily.
According to actual conditions, the syndeton between deflection plate 2 and the casing 1 can adopt following scheme replacement, and deflection plate 2 is fixed by welding on the casing 1.
According to actual conditions, deflection plate 2 can be a filter plate.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used casing 1 morely; Cavity 1; Cavity 2 12; Deflection plate 2; Dividing plate 3; Cross ebb interval 4; Control of dust drawer 5 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.