CN113599945A - Oil smoke exhaust treatment device - Google Patents
Oil smoke exhaust treatment device Download PDFInfo
- Publication number
- CN113599945A CN113599945A CN202110877051.2A CN202110877051A CN113599945A CN 113599945 A CN113599945 A CN 113599945A CN 202110877051 A CN202110877051 A CN 202110877051A CN 113599945 A CN113599945 A CN 113599945A
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- China
- Prior art keywords
- hose
- pipe
- oil smoke
- square tube
- purifying
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- 239000000779 smoke Substances 0.000 title claims abstract description 64
- 238000011282 treatment Methods 0.000 title claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 65
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000010521 absorption reaction Methods 0.000 claims abstract description 40
- 239000002912 waste gas Substances 0.000 claims abstract description 37
- 238000012216 screening Methods 0.000 claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000000746 purification Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 11
- 238000001179 sorption measurement Methods 0.000 claims description 31
- 239000003517 fume Substances 0.000 claims description 29
- 239000006233 lamp black Substances 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- 239000004071 soot Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 10
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 9
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 5
- 238000011221 initial treatment Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 94
- 238000010411 cooking Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 206010061258 Joint lock Diseases 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
Abstract
The invention discloses an oil smoke waste gas treatment device which comprises an oil smoke hose, wherein the left end of the oil smoke hose is connected with a range hood, the right end of the oil smoke hose is connected with a cooling pipe, the outer wall of one side of the cooling pipe is connected with a cooling fan, and the cooling fan is provided with an air inlet pipe; an airflow backflow preventing mechanism is arranged in the cooling pipe close to the oil smoke hose; the right end of the cooling pipe is connected with a purifying square pipe through a flange, an oil absorption coarse screening mechanism is arranged in the cooling pipe close to the purifying square pipe, a collecting box is arranged at the bottom of the cooling pipe, and oil absorption sponge is placed in the collecting box; the right end of the square pipe for purification is connected with an exhaust pipe through a flange. The oil smoke waste gas is firstly subjected to primary treatment through the oil absorption coarse screening mechanism, then tiny particles floating in the oil smoke waste gas are filtered through the electrostatic filter screen device, finally the harmful gas in the oil smoke waste gas is absorbed by the active carbon absorption device, and the oil smoke waste gas is thoroughly purified through three-stage purification.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to an oil smoke waste gas treatment device.
Background
The cooking fume exhaust gas mainly is oil fume produced in the heating process of edible oil and food, water foam in the dish is rapidly vaporized and expanded in the cooking process, part of the oil fume is condensed into fog and forms visible oil fume together with the oil fume, the oil fume mainly is water fog, and only a small amount of oil fume and oil fume which are not mutually infiltrated with the water fog are clamped at the upper part of the oil fume and the oil fume. The waste gas that gives out in the kitchen has coal waste gas and oil smoke smell, and the main composition of coal waste gas is carbon monoxide and sulfur dioxide, has very big harm to the human body, though discharge oil smoke waste gas outdoor through the lampblack absorber, this causes the pollution to external environment again.
At present, when oil smoke waste gas is purified, firstly, because the temperature of oil smoke at the beginning is too high, the oil smoke needs to be cooled by blowing cold air, but poor control of wind speed and wind quantity can cause the oil smoke waste gas to flow back into a range hood or even indoors, and influence is caused on a purifying device and an indoor environment; secondly, the existing oil fume waste gas purification device only purifies the oil fume waste gas through water and active carbon, so that the oil fume waste gas is not thoroughly purified, and the external environment is polluted; thirdly, when the oil fume waste gas is purified, because a large amount of oil stains are contained in the oil fume, the oil stains are adhered to the inner wall of the device, so that the inner wall of the device is difficult to clean, and parts in the device are difficult to maintain and replace; finally, the connection between the existing oil smoke waste gas purification device and the hose of the range hood is not tight and firm, so that the oil smoke waste gas is directly leaked from the connection between the purification device and the range hood, and the external environment is polluted.
Disclosure of Invention
In order to solve the technical problems, the invention adopts the following technical scheme:
a lampblack waste gas treatment device comprises a lampblack hose, wherein the left end of the lampblack hose is connected with a lampblack machine, the right end of the lampblack hose is connected with a cooling pipe in a sealing mode, the outer wall of one side of the cooling pipe is connected with a cooling fan, the outer wall of one side of the cooling fan is provided with air outlets distributed equidistantly, and the inner wall of each air outlet is welded with an air inlet pipe; an airflow backflow preventing mechanism is arranged in the cooling pipe close to the oil smoke hose; the right end of the cooling pipe is connected with a purifying square pipe through a flange, an oil absorption coarse screening mechanism is arranged in the cooling pipe close to the purifying square pipe, a collecting box is arranged at the bottom of the cooling pipe, and oil absorption sponge is placed in the collecting box; the oil absorption coarse screening mechanism is obliquely arranged, the upper end of the oil absorption coarse screening mechanism is close to the direction of the purifying square pipe, and the lower end of the oil absorption coarse screening mechanism is close to the direction of the oil smoke hose; the right end of the collecting box is closer to the purifying square pipe than the lower end of the oil absorption coarse screening mechanism; the square pipe purification device is characterized in that an electrostatic filter screen device and an active carbon absorption device are sequentially arranged in the square pipe purification device from left to right, the right end of the square pipe purification device is connected with an exhaust pipe through a flange, and a detector is arranged in one side of the exhaust pipe.
Preferably, the activated carbon absorption device is a breathable tank body with an air inlet on the outer wall, and activated carbon is placed inside the breathable tank body.
Preferably, the left end of the cooling pipe is provided with a socket, and the oil smoke hose is inserted from the socket at the left end of the cooling pipe; the cooling pipe also comprises a hose clamp and an O-shaped sealing ring in the socket, wherein the hose clamp and the O-shaped sealing ring are annular and are coaxially accommodated in the socket; sealing between a radially outer surface of the soot hose and a radially inner surface of the socket when the soot hose is fully received within the socket; the hose clamp has a barb facing in the axial direction; and the cooling pipe inner wall is provided with an annular groove for accommodating a hose clamp and an O-shaped sealing ring, and the annular groove is positioned at the section of the socket and is configured as follows: the front end of the cross section is an arc-shaped part, the height of the cross section is greater than or equal to the sum of the height of the hose clamp and the height of the thorn in the vertical direction, and the length of the cross section is greater than the sum of the height of the hose clamp and the length of the O-shaped sealing ring in the axial direction.
Preferably, a support sleeve is arranged on the inner side of the oil smoke hose, the support sleeve comprises a cylindrical part and a protruding part at the right end of the cylindrical part, the cylindrical part is located in the end area of the oil smoke hose, and the protruding part is installed outside the right end of the oil smoke hose; the cylindrical body portion of the support sleeve further includes a plurality of resilient tabs extending radially outwardly and also extending axially toward the nose, each resilient tab having a semi-circular distal end portion.
Preferably, the airflow backflow preventing mechanism comprises a body and a wind shield, the body is arranged inside the cooling pipe, an airflow channel of the body is a variable flow hole with a large air inlet and a small air outlet, the wind shield is arranged at the air outlet end of the body, and the wind shield covers the end face of the air outlet of the body; the wind shield is made of flexible materials, and the overall dimension of the wind shield is larger than that of the end face of the air outlet of the body; the upper end of the wind-proof sheet is arranged at the upper end of the air outlet on the body.
Preferably, the end face of the air outlet of the body is configured as an inclined plane inclined from top to bottom in the direction of the air inlet, and a gap is reserved between the end face and the wind-blocking sheet drooping naturally.
Preferably, the electrostatic filter screen device comprises an electrostatic adsorption filter screen and an electrode plate, the aperture of the electrostatic adsorption filter screen is 1.7-1.8mm, the middle part of a mesh wire forming a mesh of the filter screen is provided with metal electrode wires, the metal electrode wires are uniformly distributed in the electrostatic adsorption filter screen, the metal electrode wires are connected with the positive electrode of a high-voltage pulse power supply, the electrostatic adsorption filter screen and the electrode plate are arranged in the purification square tube, and the electrostatic adsorption filter screen is positioned at the left end of the electrode plate; the electrostatic adsorption filter screen is formed by interweaving horizontal screen wires and vertical screen wires, the horizontal screen wires are all propylene wires, the vertical screen wires comprise metal electrode wires and propylene wires, the metal electrode wires and the propylene wires are longitudinally and alternately arranged, and the metal electrode wires are made of stainless steel; the electrostatic adsorption filter screen is arranged in the purification square tube through a filter screen frame; the electrode plate is composed of a plurality of stainless steel plates which are longitudinally arranged, and the stainless steel plates are arranged in the purifying square tube through a frame; the lower end of the stainless steel plate is communicated through a metal sheet and is connected with the negative electrode of the high-voltage pulse power supply through the metal sheet; the width of the stainless steel plates is 4-6cm, the distance between the stainless steel plates is 6-11cm, and the distance between the electrostatic adsorption filter screen and the electrode plate is 20 cm.
Preferably, the electrostatic filtering device further comprises a collecting tank, and the collecting tank is arranged below the electrostatic adsorption filtering net.
Preferably, the purifying square tube is of a separable structure and comprises an upper half square tube, a lower half square tube, a flange plate and clamping mechanisms, the lower half square tube is fixedly clamped below the upper half square tube, the upper half square tube and the lower half square tube are clamped to form a purifying square tube whole, the flange plate is connected to two ends of the purifying square tube, two groups of clamping mechanisms are arranged on the purifying square tube and comprise an upper clamping frame, a lower clamping frame and a butt plate, the upper clamping frame and the lower clamping frame are respectively pressed on the upper half square tube and the lower half square tube, and the butt plate is fixedly connected to two ends of the upper clamping frame and the lower clamping frame and used for clamping and reinforcing the purifying square tube; the outer wall of the purifying square pipe is provided with a groove matched with the clasping mechanism, and the inner walls of the upper and lower clasping frames are provided with rubber pads.
Preferably, the bottoms of the two sides of the upper half square tube are respectively fixed with a plurality of L-shaped clamping locks, and the tops of the two sides of the lower half square tube are respectively provided with a clamping groove corresponding to the L-shaped clamping locks; a limit stop is fixed on the inner wall of the top end of the clamping groove, the L-shaped clamping lock is inserted into the clamping groove, and the bottom of the L-shaped clamping lock is clamped below the limit stop.
Preferably, the two abutting plates are fixed by bolts.
Preferably, the bottoms of the two sides of the upper half square pipe are respectively provided with a sealing gasket for sealing and connecting the upper half square pipe and the lower half square pipe.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
according to the invention, firstly, the oil fume waste gas is preliminarily treated by the oil absorption coarse screening mechanism, then, tiny particles floating in the oil fume waste gas are filtered by the electrostatic filter screen device, finally, harmful gas in the oil fume waste gas is absorbed by the active carbon absorption device, and the oil fume waste gas is thoroughly purified by three-stage purification.
The oil absorption coarse screening mechanism is obliquely arranged, the upper end of the oil absorption coarse screening mechanism is close to the direction of the purifying square pipe, and the lower end of the oil absorption coarse screening mechanism is close to the direction of the oil smoke hose; the right-hand member of collecting the box is compared in the lower extreme of oil absorption coarse screening mechanism, is more close to and purifies square pipe to thereby make the filterable oil of oil absorption coarse screening mechanism and large granule thing, thereby get into and collect the box and avoid the inside more pollution of receiving of cooling tube.
When the oil smoke hose is inserted from the socket at the left end of the cooling pipe, the hose clamp can move rightwards and upwards, and the thorn can not enter the oil smoke hose and allow the oil smoke hose to be inserted; when the oil smoke hose is extracted from the cooling pipe, under the action of the arc-shaped part, the hose clamp can move downwards while moving leftwards, the stabs enter the oil smoke hose, the resistance of the stabs to the extraction of the oil smoke hose is obviously increased, the oil smoke hose is prevented from moving out from the socket after being inserted, and the technical problem that the connection of the oil smoke waste gas purification device and the oil smoke exhaust ventilator hose is not tight and unstable in the prior art is effectively solved.
According to the invention, the airflow backflow preventing mechanism is arranged, if too large cold air is blown in, the whole wind shield sheet is pressed and tightly attached to the air outlet end of the body due to the pressure of airflow from the cooling pipe, so that the backflow of oil fume and waste gas is prevented; when the range hood is in a non-working state, the flexible wind-shielding sheet sags and an annular gap along the periphery is reserved between the flexible wind-shielding sheet and the end face of the air outlet of the body, so that gas in the body can enter the cooling pipe from the gap between the wind-shielding sheet and the end face of the air outlet of the body, and the function of natural ventilation is realized.
The electrostatic filter screen device designs the electrostatic adsorption interweaved filter screen containing the metal electrode wires by utilizing the characteristic that charged micro particles can be adsorbed, so that higher filtering effect can be ensured, and the pressure loss of airflow is reduced.
The purifying square pipe is of a separable structure, the upper half square pipe is covered on the lower half square pipe, the L-shaped clamping lock is inserted into the clamping groove below the upper half square pipe, then the lower half square pipe is pushed to slide on the upper half square pipe, the L-shaped clamping lock is clamped below the limit stop, the two ends of the upper half square pipe and the lower half square pipe are aligned and fixed together to form an integral pipeline, then the upper holding frame and the lower holding frame are clamped on the pipeline to be tightly pressed, the butt joint plates are fixed together by using bolts to reinforce the pipeline, the leakage of the joint is avoided, the sealing effect is improved, the assembly is completed, if the electrostatic filter screen device and the active carbon absorption device in the purifying square pipe need to be cleaned or replaced and the inner wall of the purifying square pipe needs to be cleaned, only the holding mechanism needs to be dismounted, the upper half square pipe and the lower half square pipe are separated, and the cost is saved.
Drawings
FIG. 1 is a view showing the overall structure of the lampblack exhaust gas treatment device;
FIG. 2 is a sectional view of the lampblack exhaust treatment device;
FIG. 3 is a sectional view of the connection structure of the cooking fume hose and the cooling pipe according to the present invention;
FIG. 4 is a view of the support sleeve of the present invention;
FIG. 5 is a structural diagram of the airflow backflow prevention mechanism of the present invention;
FIG. 6 is a schematic view of an electrostatic adsorption filter of the present invention;
FIG. 7 is a schematic diagram of the electrode plate structure of the present invention;
FIG. 8 is an exploded view of a separable purge square tube according to the present invention;
FIG. 9 is a top and left side view of the upper frame of the present invention;
FIG. 10 is a schematic view of the split structure of the upper half pipe and the lower half pipe of the present invention;
FIG. 11 is a schematic view of the position of the L-shaped snap lock when the present invention is installed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel relative to "perpendicular," and does not mean that the structures are necessarily perfectly parallel, but may be slightly tilted.
Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but because absolute equality is difficult to achieve in actual production and operation, certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, an oil smoke waste gas treatment device comprises an oil smoke hose 1, wherein the left end of the oil smoke hose 1 is connected with a range hood, the right end of the oil smoke hose 1 is connected with a cooling pipe 2 through a hose joint, the outer wall of one side of the cooling pipe 2 is connected with a cooling fan 3, the outer wall of one side of the cooling fan 3 is provided with air outlets distributed equidistantly, the inner wall of each air outlet is welded with an air inlet pipe 4, and cold air is blown into the cooling pipe 2 through the cooling fan 3 to reduce the temperature of oil smoke waste gas. In order to prevent the cooling fan 3 from blowing cold air and causing excessive wind force to cause the oil smoke waste gas to flow back into the oil smoke hose 1, an airflow backflow preventing mechanism 5 is arranged in the cooling pipe 2 and close to the oil smoke hose 1; the right-hand member of cooling tube 2 passes through flange joint and purifies square 6, and 2 inside being close to the square 6 departments of purifying of cooling tube and being provided with oil absorption coarse screening mechanism 7 for absorb the oil of oil smoke waste gas and filter the inside floated large granule in the oil smoke waste gas, the oil smoke waste gas after preliminary purification can continue to flow the inside of purifying square 6. The bottom of cooling tube 2 is provided with collects box 8, places the oil absorption sponge in collecting box 8 for collect oil and large granule debris that oil absorption coarse screening mechanism 7 filtered down.
In order to enable oil and large particles filtered by the oil absorption coarse screening mechanism 7 to enter the collecting box 8 so as to avoid more pollution to the interior of the cooling pipe 2, the oil absorption coarse screening mechanism 7 is obliquely arranged, the upper end of the oil absorption coarse screening mechanism 7 is close to the direction of the purifying square pipe 6, and the lower end of the oil absorption coarse screening mechanism 7 is close to the direction of the oil fume hose 1; the right end of the collecting box 8 is closer to the purifying square pipe 6 than the lower end of the oil absorption coarse screening mechanism 7.
The purifying square tube 6 is internally provided with an electrostatic filter screen device 9 and an active carbon absorption device 10 in sequence from left to right, the electrostatic filter screen device 9 is mainly used for filtering floating tiny particles in the oil smoke waste gas, and the active carbon absorption device 10 is mainly used for absorbing harmful gas in the oil smoke waste gas. The activated carbon absorption device 10 is a breathable tank body with an air inlet on the outer wall, and activated carbon is placed inside the breathable tank body. In order to facilitate the cleaning and the replacement of the electrostatic filter screen device 9 and the activated carbon absorption device 10 in the square purifying pipe 6 and the cleaning of the inner wall of the square purifying pipe 6, the square purifying pipe 6 is of a separable structure. The right end of the square purifying pipe 6 is connected with an exhaust pipe 11 through a flange, a detector 12 is arranged in one side of the exhaust pipe 11, and the purified gas can be detected.
Further, as shown in fig. 2 to 4, the hose joint includes a socket 13 defined by the left end of the cooling pipe 2, and the soot hose 1 is inserted from the socket of the left end of the cooling pipe 2.
Also included within the socket of the cooling tube 2 are a hose clamp 14 and an O-ring seal 15, both of which hose clamp 14 and O-ring seal 15 are annular and coaxially received within socket 13. Is sealed between the radially outer surface of the soot hose 1 and the radially inner surface of the socket 13 when the soot hose 1 is completely accommodated within the socket 13. The hose clamp 14 has barbs 16 facing in the axial direction. Located in the region of the socket 13, the inner wall of the cooling pipe 2 is provided with an annular groove 17 accommodating the hose clamp 14 and the O-ring 15, the annular groove 17 being configured such that: the front end of the cross section is an arc-shaped part 18, the height of the cross section is greater than or equal to the sum of the height of the hose clamp 14 and the height of the thorn 16 in the vertical direction, and the length of the cross section is greater than the sum of the height of the hose clamp 14 and the length of the O-shaped sealing ring 15 in the axial direction.
When the oil smoke hose 1 is inserted from a socket at the left end of the cooling pipe 2, the hose clamp 14 moves rightwards and upwards, and because the height of the section of the annular groove 17 is more than or equal to the sum of the height of the hose clamp 14 and the height of the thorn 16, the thorn 16 cannot enter the oil smoke hose 1, and the oil smoke hose 11 is allowed to be inserted; when the lampblack hose 1 is pulled out from the cooling pipe 2, the hose clamp 14 moves downwards while moving leftwards under the action of the arc-shaped part 18, the thorns 16 enter the lampblack hose 1, and the resistance of the thorns 16 to the extraction of the lampblack hose 1 is obviously increased, so that the lampblack hose 1 is prevented from being removed from the socket 13 after being inserted.
Referring to fig. 4, a support sleeve 19 is disposed inside the soot hose 1, and the support sleeve 19 includes a cylindrical portion 20 and a protrusion 21 at the right end of the cylindrical portion 20. The cylindrical portion 20 is located in an end region of the soot hose 1, and the protruding portion 21 is installed outside a right end portion of the soot hose 1. In use, the support sleeve 19 is first inserted into the end region of the cooking fume hose 1, and then the cooking fume hose 1 is inserted into the socket 13 until the cooking fume hose 1 can no longer be moved forward. At this time, the barbs 16 engage the radially outer surface of the soot hose 1, and the O-ring 15 has a sealing effect between the soot hose 1 and the socket 13. The provision of the support sleeve 19 helps to round the cooking fume hose 1 to a given size so as to eliminate the drawbacks caused by the transverse deformation. The support sleeve 19 also functions to provide support for the hose clamp 14 and the O-ring 15.
The cylindrical portion 20 of the support sleeve 19 further comprises a plurality of resilient tabs 22 extending radially outwardly, the resilient tabs 22 further extending axially towards the projections 21. Each elastic piece 22 has a semi-circular distal portion 23.
When the support sleeve 19 is pushed into the cooking fume hose 1, the elastic pieces 22 are slightly closed toward the axial direction of the support sleeve 19. The elastic sheet 22 is arranged to prevent the support sleeve 19 from falling out of the lampblack hose 1 with a relatively large inner diameter; at the same time, the resistance of the cooking fume hose 1 to be drawn out from the cooling pipe 2 can be further increased.
Further, as shown in fig. 2 and 5, the airflow backflow preventing mechanism 5 includes a body 29 and a wind-blocking sheet 24, the body 29 is installed inside the cooling tube 2, an airflow channel of the body 29 is a variable flow hole 27 with a large air inlet 25 and a small air outlet 26, the wind-blocking sheet 24 is disposed at the end of the air outlet 26 of the body 29, and the wind-blocking sheet 24 covers an end surface 28 of the air outlet 26 of the body 29.
The wind-blocking sheet 24 is made of flexible material, and the external dimension of the wind-blocking sheet 24 is larger than the external dimension of the end face 28 of the wind outlet 26 of the body 29.
The upper end of the wind blocking sheet 24 is arranged at the upper end of the wind outlet 26 on the body 29.
The end surface 28 of the air outlet 26 of the body 29 is configured as an inclined surface inclined from top to bottom toward the air inlet, and a gap is left between the end surface 28 and the wind-blocking sheet 24 drooping naturally. Because a gap is left between the wind shield 24 in a naturally drooping state and the end surface 28 of the air outlet 26 of the body 29, a condition for realizing a natural ventilation function is formed. Meanwhile, the airflow channel of the body 29 is a speed change hole with a large air inlet and a small air outlet 26, so that the invention has the speed change function.
The working principle of the airflow backflow preventing mechanism of the invention is as follows:
when the range hood is in a working state, the wind from the oil smoke hose 1 blows the wind-blocking sheet 24 rightwards, the oil smoke waste gas enters the cooling pipe 2 through the airflow backflow preventing mechanism body, the cooling fan 3 blows cold air into the cooling pipe 2 through the air inlet pipe 4, if the cold air is too large, the whole wind-blocking sheet 24 is also pressed to and clings to the air outlet end of the body 29 due to the pressure of the airflow from the cooling pipe 2, and the backflow of the oil smoke waste gas is prevented.
When the range hood is in a non-working state, because the flexible wind-shielding sheet 24 droops and an annular gap along the periphery is reserved between the flexible wind-shielding sheet 24 and the end face of the air outlet of the body 29, the gas in the body 29 can enter the cooling pipe 2 from the gap between the wind-shielding sheet 24 and the end face of the air outlet of the body 29, and the function of natural ventilation is realized.
Further, as shown in fig. 2 and 6-7, the electrostatic filter screen device 9 includes an electrostatic adsorption filter screen 30 and an electrode plate 31, the aperture of the electrostatic adsorption filter screen 30 is 1.7-1.8mm, the middle portion of the mesh wire forming the mesh of the filter screen is a metal wire electrode 32, the metal wire electrode 32 is uniformly arranged in the electrostatic adsorption filter screen 30, the metal wire electrode 32 is connected with the positive electrode of the high-voltage pulse power supply, the electrode plate 31 is connected with the negative electrode of the high-voltage pulse power supply, the electrostatic adsorption filter screen 30 and the electrode plate 31 are installed in the purification square tube 6, and the electrostatic adsorption filter screen 30 is located at the left end of the electrode plate 31, so that the oil smoke exhaust gas firstly flows through the electrostatic adsorption filter screen 30, and then flows through the electrode plate 31 after filtering the tiny particles in the oil smoke exhaust gas through electrostatic adsorption.
The electrostatic adsorption filter screen 30 is formed by interweaving horizontal mesh wires and vertical mesh wires, wherein the horizontal mesh wires are all propylene wires 33, the vertical mesh wires comprise metal electrode wires 32 and the propylene wires 33, and the metal electrode wires 32 and the propylene wires 33 are alternately arranged in the longitudinal direction. The metal wire 32 is made of stainless steel. The electrostatic adsorption filter screen 30 is installed in the purifying square pipe 6 through a filter screen frame 37.
The electrode plate 31 is composed of a plurality of stainless steel plates 34 arranged in the longitudinal direction, and the stainless steel plates 34 are mounted in the purge square pipe 6 via a frame 35. The lower end of the stainless steel plate 34 is connected to the negative electrode of the high-voltage pulse power supply through a metal sheet.
Further, the width of the stainless steel plates 34 is 4-6cm, the distance between the stainless steel plates 34 is 6-11cm, and the distance between the electrostatic adsorption filter screen 30 and the electrode plate 31 is 20 cm. Through the setting of the above parameters, the size and shape of the electrode plate 31 are not only beneficial to promoting the metal wire electrode 32 to discharge, but also convenient for the oil smoke waste gas to pass through.
Further, in order to facilitate collecting the fine particles filtered by the electrostatic filtering device 9, the electrostatic filtering device 9 further includes a collecting tank 36, and the collecting tank 36 is disposed below the electrostatic adsorption filtering net 30.
Further, as shown in fig. 8-11, the separable purifying square pipe 6 includes an upper half square pipe 38, a lower half square pipe 39, a flange 40 and a clasping mechanism 41, the lower part of the upper half square pipe 38 is fixedly connected with the lower half square pipe 39 in a clamping manner, the upper half square pipe 38 and the lower half square pipe 39 are connected in a clamping manner to form the whole purifying square pipe 6, the two ends of the purifying square pipe 6 are connected with the flange 40 for connecting other pipelines, two groups of clasping mechanisms 41 are arranged on the purifying square pipe 6, each clasping mechanism 41 includes an upper clasping frame 42, a lower clasping frame 43 and a butt plate 44, the upper half square pipe 38 and the lower half square pipe 39 are respectively press-fitted with the upper clasping frame 42 and the lower clasping frame 43, and the two ends of the upper clasping frame 42 and the lower clasping frame 43 are fixedly connected with the butt plate 44 for clasping and reinforcing the purifying square pipe 6.
Further, for holding the square cleaning tube 6 tightly, the outer wall of the square cleaning tube 6 is provided with a groove 45 matched with the holding mechanism 41, and the inner walls of the upper and lower holding frames are provided with rubber pads 46.
Furthermore, the bottoms of the two sides of the upper half pipe 38 are both fixed with a plurality of L-shaped clamping locks 47, and the tops of the two sides of the lower half pipe 39 are both provided with clamping grooves 48 corresponding to the L-shaped clamping locks 47, so that the upper half pipe 38 and the lower half pipe 39 can be clamped together.
Furthermore, a limit stop 49 is fixed on the inner wall of the top end of the clamping groove 48, the L-shaped clamping lock 47 is inserted into the clamping groove 48, the bottom of the L-shaped clamping lock is clamped below the limit stop 49, and the upper half pipe 2 is fixed on the lower half pipe 39 in a sliding mode, so that the L-shaped clamping lock is convenient to mount and dismount quickly.
Furthermore, two abutting plates 44 which are attached to each other are fixed through bolts, so that the assembling and disassembling are facilitated.
Further, the bottom of the two sides of the upper half pipe 38 are provided with sealing gaskets for sealing and connecting the upper half pipe 38 and the lower half pipe 39.
The invention can separate and purify square tubes, and has the following principles and advantages:
during installation, first square pipe 38 is covered on second square pipe 39, let L type joint lock 47 insert in the draw-in groove 48 of its below, then promote second square pipe 39 and slide on first square pipe 38, let L type joint lock 47 block in the below of limit stop 49, first square pipe 38 aligns with second square pipe 39's both ends this moment, and fix together, form holistic pipeline, then embrace frame 42 and lower part and embrace frame 43 card and compress tightly on the pipeline with upper portion, utilize the bolt to fix butt plate 44 together, thereby consolidate the pipeline, avoid the junction to reveal, improve sealed effect, thereby accomplish and assemble, if need wash or change the interior static filter screen device 9 and the active carbon absorbing device 10 of purification square pipe 6 and clear up purification square pipe 6 inner wall, only need lift off and embrace tight mechanism 41, first square pipe 38 and second square pipe 39 separation can, and cost is saved.
The foregoing is illustrative of the best mode of the invention and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (10)
1. A lampblack waste gas treatment device comprises a lampblack hose and is characterized in that the left end of the lampblack hose is connected with a lampblack machine, the right end of the lampblack hose is connected with a cooling pipe in a sealing mode, the outer wall of one side of the cooling pipe is connected with a cooling fan, air outlets distributed at equal intervals are formed in the outer wall of one side of the cooling fan, and an air inlet pipe is welded to the inner wall of each air outlet; an airflow backflow preventing mechanism is arranged in the cooling pipe close to the oil smoke hose; the right end of the cooling pipe is connected with a purifying square pipe through a flange, an oil absorption coarse screening mechanism is arranged in the cooling pipe close to the purifying square pipe, a collecting box is arranged at the bottom of the cooling pipe, and oil absorption sponge is placed in the collecting box; the oil absorption coarse screening mechanism is obliquely arranged, the upper end of the oil absorption coarse screening mechanism is close to the direction of the purifying square pipe, and the lower end of the oil absorption coarse screening mechanism is close to the direction of the oil smoke hose; the right end of the collecting box is closer to the purifying square pipe than the lower end of the oil absorption coarse screening mechanism; the square pipe purification device is characterized in that an electrostatic filter screen device and an active carbon absorption device are sequentially arranged in the square pipe purification device from left to right, the right end of the square pipe purification device is connected with an exhaust pipe through a flange, and a detector is arranged in one side of the exhaust pipe.
2. The lampblack exhaust gas treatment device according to claim 1, characterized in that: the left end of the cooling pipe is provided with a socket, and the oil smoke hose is inserted from the socket at the left end of the cooling pipe; the cooling pipe also comprises a hose clamp and an O-shaped sealing ring in the socket, wherein the hose clamp and the O-shaped sealing ring are annular and are coaxially accommodated in the socket; sealing between a radially outer surface of the soot hose and a radially inner surface of the socket when the soot hose is fully received within the socket; the hose clamp has a barb facing in the axial direction; and the cooling pipe inner wall is provided with an annular groove for accommodating a hose clamp and an O-shaped sealing ring, and the annular groove is positioned at the section of the socket and is configured as follows: the front end of the cross section is an arc-shaped part, the height of the cross section is greater than or equal to the sum of the height of the hose clamp and the height of the thorn in the vertical direction, and the length of the cross section is greater than the sum of the height of the hose clamp and the length of the O-shaped sealing ring in the axial direction.
3. The lampblack exhaust gas treatment device according to claim 2, characterized in that: the supporting sleeve is arranged on the inner side of the oil smoke hose and comprises a cylindrical part and a protruding part at the right end of the cylindrical part, the cylindrical part is located in the end area of the oil smoke hose, and the protruding part is installed outside the right end of the oil smoke hose; the cylindrical body portion of the support sleeve further includes a plurality of resilient tabs extending radially outwardly and also extending axially toward the nose, each resilient tab having a semi-circular distal end portion.
4. The lampblack exhaust gas treatment device according to claim 1, characterized in that: the airflow backflow preventing mechanism comprises a body and a wind shield, the body is arranged in the cooling pipe, an airflow channel of the body is a variable flow hole with a large air inlet and a small air outlet, the wind shield is arranged at the air outlet end of the body, and the wind shield covers the end face of the air outlet of the body; the wind shield is made of flexible materials, and the overall dimension of the wind shield is larger than that of the end face of the air outlet of the body; the upper end of the wind-proof sheet is arranged at the upper end of the air outlet on the body.
5. The lampblack exhaust gas treatment device according to claim 4, characterized in that: the end face of the air outlet of the body is configured to be an inclined plane inclined from top to bottom towards the direction of the air inlet, and a gap is reserved between the end face and the wind-blocking sheet drooping in a natural state.
6. The lampblack exhaust gas treatment device according to claim 1, characterized in that: the electrostatic filter screen device comprises an electrostatic adsorption filter screen and an electrode plate, the aperture of the electrostatic adsorption filter screen is 1.7-1.8mm, the middle part of a mesh wire forming a mesh of the filter screen is provided with metal electrode wires, the metal electrode wires are uniformly distributed in the electrostatic adsorption filter screen, the metal electrode wires are connected with the positive electrode of a high-voltage pulse power supply, the electrostatic adsorption filter screen and the electrode plate are arranged in a purification square tube, and the electrostatic adsorption filter screen is positioned at the left end of the electrode plate; the electrostatic adsorption filter screen is formed by interweaving horizontal screen wires and vertical screen wires, the horizontal screen wires are all propylene wires, the vertical screen wires comprise metal electrode wires and propylene wires, the metal electrode wires and the propylene wires are longitudinally and alternately arranged, and the metal electrode wires are made of stainless steel; the electrostatic adsorption filter screen is arranged in the purification square tube through a filter screen frame; the electrode plate is composed of a plurality of stainless steel plates which are longitudinally arranged, and the stainless steel plates are arranged in the purifying square tube through a frame; the lower end of the stainless steel plate is communicated through a metal sheet and is connected with the negative electrode of the high-voltage pulse power supply through the metal sheet; the width of the stainless steel plates is 4-6cm, the distance between the stainless steel plates is 6-11cm, and the distance between the electrostatic adsorption filter screen and the electrode plate is 20 cm.
7. The lampblack exhaust gas treatment device according to claim 6, wherein: the electrostatic filtering net device further comprises a collecting tank, and the collecting tank is arranged below the electrostatic adsorption filtering net.
8. The lampblack exhaust gas treatment device according to claim 1, characterized in that: the purifying square tube is of a separable structure and comprises an upper half square tube, a lower half square tube, a flange plate and clamping mechanisms, wherein the lower half square tube is fixedly clamped below the upper half square tube, the upper half square tube and the lower half square tube are clamped to form the whole purifying square tube, the flange plate is connected to two ends of the purifying square tube, two groups of clamping mechanisms are arranged on the purifying square tube, each clamping mechanism comprises an upper clamping frame, a lower clamping frame and a butt plate, the upper clamping frame and the lower clamping frame are respectively pressed on the upper half square tube and the lower half square tube, and the butt plates are fixedly connected to two ends of the upper clamping frame and the lower clamping frame and used for clamping and reinforcing the purifying square tube; the outer wall of the purifying square pipe is provided with a groove matched with the clasping mechanism, and the inner walls of the upper and lower clasping frames are provided with rubber pads.
9. The lampblack exhaust gas treatment device according to claim 8, wherein: the bottoms of the two sides of the upper half square tube are respectively fixed with a plurality of L-shaped clamping locks, and the tops of the two sides of the lower half square tube are respectively provided with a clamping groove corresponding to the L-shaped clamping locks; a limit stop is fixed on the inner wall of the top end of the clamping groove, the L-shaped clamping lock is inserted into the clamping groove, and the bottom of the L-shaped clamping lock is clamped below the limit stop.
10. The oily fume exhaust gas treatment device according to any one of claims 1 to 9, characterized in that: the active carbon absorption device is a breathable tank body with an air inlet on the outer wall, and active carbon is placed inside the breathable tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877051.2A CN113599945A (en) | 2021-07-31 | 2021-07-31 | Oil smoke exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110877051.2A CN113599945A (en) | 2021-07-31 | 2021-07-31 | Oil smoke exhaust treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN113599945A true CN113599945A (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110877051.2A Pending CN113599945A (en) | 2021-07-31 | 2021-07-31 | Oil smoke exhaust treatment device |
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| Country | Link |
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| CN (1) | CN113599945A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2766173Y (en) * | 2004-11-19 | 2006-03-22 | 吴汉木 | Exhaust duct check valve with natural ventilation and speed changing functions |
| CN102459982A (en) * | 2009-06-15 | 2012-05-16 | 韦文有限公司 | Push-fit pipe fitting system with support sleeve |
| CN109631103A (en) * | 2018-11-01 | 2019-04-16 | 韩燕� | A kind for the treatment of apparatus for exhaust gas of oil smoke for kitchen use |
| CN212616836U (en) * | 2020-06-05 | 2021-02-26 | 湖南晟塑管业有限公司 | Detachable modularization plastic conduit |
| CN112664736A (en) * | 2020-12-09 | 2021-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Ready-package hose |
-
2021
- 2021-07-31 CN CN202110877051.2A patent/CN113599945A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2766173Y (en) * | 2004-11-19 | 2006-03-22 | 吴汉木 | Exhaust duct check valve with natural ventilation and speed changing functions |
| CN102459982A (en) * | 2009-06-15 | 2012-05-16 | 韦文有限公司 | Push-fit pipe fitting system with support sleeve |
| CN109631103A (en) * | 2018-11-01 | 2019-04-16 | 韩燕� | A kind for the treatment of apparatus for exhaust gas of oil smoke for kitchen use |
| CN212616836U (en) * | 2020-06-05 | 2021-02-26 | 湖南晟塑管业有限公司 | Detachable modularization plastic conduit |
| CN112664736A (en) * | 2020-12-09 | 2021-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Ready-package hose |
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