CN117443180B - Biological deodorization device and biological deodorization method - Google Patents
Biological deodorization device and biological deodorization method Download PDFInfo
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- CN117443180B CN117443180B CN202311702223.8A CN202311702223A CN117443180B CN 117443180 B CN117443180 B CN 117443180B CN 202311702223 A CN202311702223 A CN 202311702223A CN 117443180 B CN117443180 B CN 117443180B
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- 238000004332 deodorization Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 133
- 238000005507 spraying Methods 0.000 claims abstract description 39
- 238000005192 partition Methods 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000007788 liquid Substances 0.000 claims description 28
- 230000009471 action Effects 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 7
- 238000007667 floating Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000002781 deodorant agent Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 230000000717 retained effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010170 biological method Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009264 composting Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- General Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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- Treating Waste Gases (AREA)
Abstract
The invention belongs to the technical field of gas treatment, and relates to a biological deodorization device and a biological deodorization method. The deodorizing tower comprises a tower body, wherein the bottom of the tower body is provided with an air inlet, the top of the tower body is provided with an air outlet, and the tower body sequentially comprises a gas collection chamber, at least one deodorizing cavity and a spraying cavity from bottom to top, and the deodorizing cavity and the spraying cavity are separated by a partition plate; the upper surface of the partition plate below each deodorizing cavity is fixedly connected with a fixed rod which is arranged at an included angle with the vertical direction, the end part of the partition plate is rotatably connected with a mounting rod, a plurality of air stagnation discs are sequentially connected from bottom to top along the axial direction of the partition plate, and the lower surface of the partition plate is provided with a plurality of arc grooves; the gas collection chamber is connected with the lowest deodorizing cavity through a pipeline, one end in the lowest deodorizing cavity is positioned below the low-level area, and the end part of the gas collection chamber is provided with a gas hole; a through groove is formed on the partition plate between the deodorizing cavities and is positioned right above the low-level area of the air stagnation disc in the deodorizing cavity below; a connecting pipeline is arranged on the partition plate between the spray cavity and the uppermost deodorizing cavity in a penetrating way. The invention can prolong the time for purifying the bubbles, thereby ensuring that the gas is processed more cleanly.
Description
Technical Field
The invention belongs to the technical field of gas treatment, and particularly relates to a biological deodorization device and a biological deodorization method.
Background
In the processes of industrial and agricultural production, sewage treatment, garbage treatment, composting and the like, a large amount of odor can be generated, so that not only is the surrounding environment polluted, but also the human health and the ecological environment are seriously harmed, and the odor treatment is more and more concerned by people. There are many ways of treating malodor, such as: the absorption, condensation, incineration and biological method are combined, so that the biological method has the characteristic of no secondary pollution, has better relative effect and is widely used.
The most important way of biological deodorization is that a plurality of layers of filling materials are arranged in a spray tower, microorganisms generate biological films on the filling materials, and gas is purified by the biological films from the bottom of the tower body, so that deodorization is discharged.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a biological deodorization device and a biological deodorization method, and the gas is treated more cleanly by arranging a gas stagnation disc capable of stopping bubbles in biological liquid and prolonging the time for purifying the bubbles.
In order to achieve the above object, a first aspect of the present invention provides a biological deodorization device, which comprises a tower body, wherein the bottom of the tower body is provided with an air inlet, the top of the tower body is provided with an air outlet, the tower body sequentially comprises a gas collection chamber, at least one deodorization cavity and a spray cavity from bottom to top, and the gas collection chamber, the at least one deodorization cavity and the spray cavity are separated by a partition plate;
the upper surface of the partition plate below each deodorizing cavity is fixedly connected with a fixed rod which is arranged at an included angle with the vertical direction, the end part of the fixed rod is rotationally connected with a mounting rod, the mounting rod is sequentially and fixedly connected with a plurality of air stagnation discs at intervals from bottom to top along the axial direction of the mounting rod, and the lower surface of each air stagnation disc is provided with a plurality of arc-shaped grooves for accommodating air bubbles; the whole air stagnation disc and the installation rod can suspend or float in biological liquid under the action of no external force;
The air stagnation disc is divided into a high-level area and a low-level area in an inclined state of the mounting rod; the arrangement of the air stagnation disc enables: when bubbles generated by air flow in biological liquid reach an arc-shaped groove of a low-level area of the air stagnation disc, the air stagnation disc rotates under the action of buoyancy, the low-level area and the high-level area of the air stagnation disc are alternated, and the bubbles are discharged in the high-level area after moving along with the arc-shaped groove;
the gas collection chamber is connected with the lowest deodorizing cavity through a pipeline, one end of the pipeline in the lowest deodorizing cavity is positioned below a low-level area of the lowest deodorizing cavity, and the end part of the pipeline is provided with a gas hole;
a through groove is formed in the partition plate between the deodorizing cavities and is positioned right above the low-level area of the air stagnation disc in the deodorizing cavity below;
a connecting pipeline is arranged on the partition plate between the spraying cavity and the uppermost deodorizing cavity in a penetrating way.
In the invention, biological liquid is contained in the deodorizing cavity, air flow in the air collection chamber is led to the deodorizing cavity through a pipeline and is positioned below the low-level region of the air stagnation disc, when air bubbles generated in the biological liquid by the air flow reach the arc-shaped groove of the low-level region of the air stagnation disc, the air stagnation disc rotates under the action of buoyancy, the low-level region and the high-level region of the air stagnation disc rotate, and the air bubbles are discharged in the high-level region after moving along with the arc-shaped groove.
According to the invention, preferably, the pipeline between the gas collection chamber and the lowest deodorizing cavity is bent from the gas collection chamber to the spraying cavity and then led to the bottom of the deodorizing cavity; the diameter of the pipeline between the gas collection chamber and the lowest deodorizing cavity is smaller than the diameter of the gas inlet.
Preferably, the apparatus further comprises a fan, a filter tank and optionally a pressurizing device.
According to the present invention, preferably, the adjacent deodorizing cavities are communicated through a pipe having both ends respectively provided in the high-level region of the air stagnation disc of the adjacent deodorizing cavity; or alternatively
The high-level area of the air stagnation disc of each deodorizing cavity is directly communicated with the spraying cavity through a pipeline except the uppermost deodorizing cavity.
According to the present invention, preferably, in each deodorizing cavity, the fixing rod has the same angle with the vertical direction, said angle being 20-40 °.
According to the invention, the axial projections of the arcuate grooves along the mounting bar are preferably staggered with respect to each other.
Preferably, the angle between the normal of the plane in which the notch edge of the arc-shaped groove is located and the axis of the mounting rod is 20-50 degrees.
According to the invention, preferably, the air stagnation disc is a hollow annular disc, the annular discs and the inner diameter of each annular disc are gradually increased from top to bottom along the axial direction of the mounting rod, a single-side outer diameter connecting line of the half-section of each air stagnation disc is parallel to an inner diameter connecting line of the same side, and an included angle between the single-side outer diameter connecting line and the axis of the mounting rod is the same as an included angle between the axis of the mounting rod and the vertical direction.
According to the present invention, it is preferable that the lower surface of the partition plate between the deodorizing cavities is inclined downward from the edge of the through groove toward the outer diameter surface.
Preferably, the diameter of the bubbles formed by the gas through the bubble holes is 0.5-2mm.
According to the invention, preferably, a spraying device is arranged at the upper part of the spraying cavity; and a shielding object is arranged above the communication pipeline between the spraying cavity and the uppermost deodorizing cavity.
According to the invention, preferably, the number of the deodorizing cavities is two, the primary deodorizing cavity is arranged at the lower part, the secondary deodorizing cavity is arranged at the upper part, and the high-level area of the air stagnation disc of the primary deodorizing cavity is directly communicated with the spraying cavity through a pipeline.
Preferably, the lower end of the communicating pipeline between the primary deodorizing cavity and the spraying cavity is provided with a downward wide-mouth plate, the upper end passes through a partition plate between the primary deodorizing cavity and the secondary deodorizing cavity and a partition plate between the secondary deodorizing cavity and the spraying cavity to be communicated with the spraying cavity, and a shielding object is arranged above the upper end.
In the invention, the deodorizing cavity is isolated into a primary deodorizing cavity, a secondary deodorizing cavity and a spraying cavity, the primary deodorizing cavity and the secondary deodorizing cavity are internally provided with an air stagnation disc, a baffle plate at the bottom of the secondary deodorizing cavity is provided with a through groove, the through groove is positioned right above a low-level area of the air stagnation disc in the primary deodorizing cavity, air bubbles which are not stopped after passing through the air stagnation disc in the primary deodorizing cavity enter the secondary deodorizing cavity from the through groove, the baffle plate at the bottom of the spraying cavity is communicated with the secondary deodorizing cavity, and the air bubbles in a high-level area of the air stagnation disc of the primary deodorizing cavity are discharged to a high-level area of the air stagnation disc of the secondary deodorizing cavity or are directly discharged to the spraying cavity.
A second aspect of the present invention provides a biological deodorization method, using the biological deodorization apparatus, comprising the steps of:
S1, deodorizing: the gas enters the gas collection chamber through the gas inlet, then enters the lowermost deodorizing cavity from a pipeline between the gas collection chamber and the lowermost deodorizing cavity, bubbles are generated at the pipeline opening, float upwards in biological liquid and are stopped by the gas stagnation disc, the bubbles float upwards to push and rotate the gas stagnation disc, the stopped bubbles are turned to a high-level area from a low-level area (9) along with the gas stagnation disc and are discharged in the high-level area, and the non-stopped bubbles sequentially enter the deodorizing cavity above to continue deodorizing;
S2, spraying: the deodorized gas enters a spray cavity and is subjected to final treatment by a deodorant;
s3, discharging: and the sprayed gas is discharged from the gas outlet.
According to the present invention, preferably, step S1 further comprises, before:
filtering, leading the original odor to a filtering tank through a fan, cleaning impurities in the odor, and leading the odor to an air inlet;
Pressurizing, namely pressurizing the filtered gas through a pipeline between the gas collection chamber and the lowest deodorizing cavity, or pressurizing through pressurizing equipment, and then introducing the filtered gas into the lowest deodorizing cavity.
According to the present invention, it is preferable that the step S1 includes two-stage deodorization:
Primary deodorization: the gas enters the gas collection chamber through the gas inlet, then enters the primary deodorizing cavity from a pipeline between the gas collection chamber and the primary deodorizing cavity, bubbles are generated at the pipeline opening, float upwards in biological liquid and are stopped by the gas stagnation disc, the bubbles float upwards to push and rotate the gas stagnation disc, the stopped bubbles turn to a high-level area from a low-level area along with the gas stagnation disc and are discharged in the high-level area, and the discharged gas enters the spraying cavity through a pipeline communicating the primary deodorizing cavity with the spraying cavity;
secondary deodorization: bubbles which are not stopped in the low-level area of the gas stagnation disc of the primary deodorizing cavity enter the secondary deodorizing cavity from the through groove, the upward floating gas is deodorized by the gas stagnation disc in the secondary deodorizing cavity, and the deodorized gas enters the spraying cavity through the communicating pipeline of the spraying cavity and the secondary deodorizing cavity.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the gas stagnation disc capable of stopping bubbles is arranged in the biological liquid, so that the time for purifying the bubbles can be prolonged, and the gas can be treated more cleanly.
(2) The air stagnation disc realizes the rotation without external power under the action of bubbles, reduces the overall energy consumption, and effectively realizes the cyclic treatment of odor.
(3) The slope of stagnant gas dish, because the resistance effect that the structure produced when the rotation can drive the flow of biological liquid, because the setting of slope can realize the flow of biological liquid of upper and lower direction, also can realize the flow of biological liquid of left and right directions, improves the mobility of biological liquid to make everywhere biological liquid can both participate in the treatment odor, improve holistic treatment effeciency.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a schematic overall structure of the present invention.
Figure 2 shows a schematic diagram of a tower in section and in axial view.
Fig. 3 shows a schematic diagram of a semi-sectional structure of a tower.
Fig. 4 shows an enlarged schematic view of the structure of the region a in fig. 3.
Fig. 5 shows a schematic top view of the gas stagnation plate.
FIG. 6 shows a schematic of a semi-sectional structure of a two-layer gas stagnation disk.
Fig. 7 shows an axial bottom schematic view of the gas stagnation disc.
Fig. 8 shows a schematic view of the semi-section of the partition plate in which the through groove is located.
Fig. 9 shows a schematic diagram of the extent of the effect of different magnitudes of the arc-shaped groove on bubble collapse.
Fig. 10 shows a schematic diagram at the time of fusion state of small bubbles.
Reference numerals illustrate:
1-a tower body; 2-air inlet; 3-an air outlet; 4-a separator; 5-a fixed rod; 6-mounting a rod; 7-stagnation of qi; 8-high level region; 9-lower region; 10-a primary deodorizing chamber; 11-a secondary deodorizing chamber; 12-wide mouth plate; 401-through grooves; 701-arc groove.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the preferred embodiments of the present invention are described below, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein.
Example 1
The embodiment provides a biological deodorization device, please refer to fig. 1-5, including tower body 1, air inlet 2 connects the gas that carries the foul smell that passes through from the filtering ponds, in leading to tower body 1 with gas, baffle 4 level is fixed in the inner wall of tower body 1, divide into two upper and lower parts with tower body 1, the below is the plenum chamber, the top is the deodorization chamber, the biological liquid is held in the deodorization chamber, from the plenum chamber interconnect there is the pipeline that leads to the deodorization intracavity, and the pipeline crooked to the position of above the liquid level of biological liquid then leads to the bottom of deodorization chamber again, avoid biological liquid to get into the plenum chamber through the pipeline, be located the tip in deodorization chamber at this pipeline and set up the gas bubble, disperse gas into the tiny bubble.
The upper surface of the baffle plate 4 is fixedly connected with a fixed rod 5 which is obliquely arranged, the top end of the fixed rod 5 is coaxially and rotatably connected with an installation rod 6, the air stagnation discs 7 are provided with a plurality of groups, the groups of air stagnation discs are distributed at intervals along the axial direction of the installation rod 6 and are fixedly connected with the installation rod 6, the lower surface of each air stagnation disc 7 is provided with a plurality of arc grooves 701, each arc groove 701 is actually a spherical surface for accommodating floating bubbles, the area between each arc groove 701 of each air stagnation disc 7 is hollowed out, so that part of bubbles can continuously float into the arc grooves 701 of the air stagnation disc 7 of the upper layer and stay, the whole structure of each air stagnation disc 7 and the installation rod 6 can suspend or float, namely, the whole density is less than or equal to biological liquid, the materials with small density can be selected, and can also be arranged into a hollow structure because the bubbles float upwards and are stopped in the arc grooves 701, the part of the air stagnation disc 7 has buoyancy, and the air stagnation disc 7 is inclined due to the inclined arrangement of the mounting rod 6 along with the more and more buoyancy of the air bubbles, as shown in fig. 4,5 and 6, one side is higher and the other side is lower after the inclination, the side with higher position is a high-position area 8, the side with lower position is a low-position area 9, the air outlet end of a pipeline which is used for ventilating the air collection chamber into the deodorizing cavity is positioned below the low-position area 8, but not positioned right below the lowest point of the air stagnation disc 7 (as shown in fig. 5), because the buoyancy generated by the air bubbles needs to be deflected to one side, if the buoyancy generated by the air bubbles is symmetrical and right below, the rotation direction of the air stagnation disc 7 is uncontrollable, and cannot form circulation, and is deflected to one side (as shown in fig. 5), because of the inclination of the mounting rod 6, the side force of rotation is generated due to the upward buoyancy, and the air stagnation disc 7 rotates anticlockwise in the condition shown in fig. 5, the rotation causes the arc-shaped groove 701 which has the bubbles retained to be rotated away, and the arc-shaped groove 701 in the empty state comes to the upper side of the bubbles, thereby continuously circulating.
As shown in fig. 6, the plane normal direction of the notch edge of the arc-shaped groove 701 and the axis of the air stagnation disc 7 are also arranged at an included angle, that is, the port of the arc-shaped groove 701 on the same air stagnation disc 7 faces downwards and is away from the axis of the air stagnation disc 7 (namely, faces downwards and faces towards the periphery), the mode is set so that the port plane inclination degree of the arc-shaped groove 701 is smaller or is directly horizontal when the arc-shaped groove 701 is in a low-level area 9, the inclination degree of the port plane of the arc-shaped groove 701 is maximum in the process of transferring to a high-level area 8, the peak value is reached when the inclination degree of the port plane of the arc-shaped groove 701 is increased, and then air bubbles conveniently flow out, so that the air bubbles are discharged.
The buoyancy that the bubble produced can be utilized to the stagnant gas dish 7 of slope to realize no external power rotation, in addition, can also carry the bubble and change the position and prolong the dwell time of bubble in biological liquid when rotating, thereby improve the degree of handling, and, stagnant gas dish 7 is hollow structure, but the structure of arc groove 701 department can drive peripheral biological liquid when following stagnant gas dish 7's rotation, can realize the flow of biological liquid of upper and lower position and left and right sides position, thereby avoid only the microorganism participation effect of the partial biological liquid of air current flow path, improve holistic participation degree and realize the rotation, raise the efficiency.
Referring to fig. 2,3 and 4, the partition plate 4 is provided with three groups, the deodorizing cavities are sequentially divided into a primary deodorizing cavity 10, a secondary deodorizing cavity 11 and a spraying cavity from bottom to top, because under the condition that only one round of deodorizing is carried out, a plurality of bubbles are not stopped, and thus the bubbles continuously float upwards, the purifying degree of the air of the part of bubbles is lower, therefore, the secondary deodorizing cavity 11 is arranged above the primary deodorizing cavity 10, and the two parts have the same structure and are retained through the air stagnation disc 7, so that the bubbles stay for a long time to be purified, the two deodorizing cavities are communicated through the communicating groove 401, the communicating groove 401 is positioned between the lower areas 9 of the two deodorizing cavities 7, so that the bubbles are directly introduced into the biological liquid of the secondary deodorizing cavity 11 from the primary deodorizing cavity 10, and if the communicating groove 401 is arranged at other positions, the bubbles are easily accumulated and fused on the lower surface of the partition plate 4 under the secondary deodorizing cavity 11, so that large bubbles are not beneficial to be generated, and further, because the part of the communicating groove 401 is arranged on the lower surface of the secondary deodorizing cavity 11, and the diameter of the partition plate is less than the diameter of the secondary deodorizing cavity 11, and the diameter of the communicating groove is arranged on the upper surface of the secondary deodorizing cavity 11, and the diameter of the partition plate is less than the secondary deodorizing cavity 11, and the diameter of the communicating groove is arranged on the surface of the secondary deodorizing cavity 11, and the channel is more than the diameter of the secondary deodorizing cavity 11, and the channel is more convenient to be opened.
If no treatment is performed on the bubbles discharged from the high-level area 8 of the air stagnation disc 7 in the primary deodorizing cavity 10, the bubbles enter the secondary deodorizing cavity 11 and occupy the arc-shaped groove 701 on the air stagnation disc 7 in the secondary deodorizing cavity 11, so that a downward horn-shaped wide-mouth plate 12 is preferably arranged above the high-level area 8 of the air stagnation disc 7 of the primary deodorizing cavity 10, the lower port surface of the wide-mouth plate 12 covers the area where the bubbles float upwards, the upper end surface of the wide-mouth plate 12 guides the purified gas in the bubbles to a spraying cavity through a pipeline, and a spray head is arranged at the top of the spraying cavity to spray deodorant, so that further purification is realized.
As shown in fig. 8, the lower surface of the bottom partition plate 4 of the secondary deodorizing cavity 11 is tapered upward as a whole, and the highest point is the edge line of the through groove 401, because the air bubbles may float up due to flow at any position of the air stagnation plate 7, if the lower surface of the bottom partition plate 4 of the secondary deodorizing cavity 11 is flat, the air bubbles are converged and stay, and are converged into relatively large air bubbles and then flow away from the through groove 401, and large air bubbles are continuously converged and contacted small air bubbles when flowing, so that some small air bubbles which are stopped run into large air bubbles, enter into large air bubbles and may not be purified due to the air flow flowing to the air bubble middle position, and therefore, in order to avoid the situation, the inclination is set, and the large air bubbles are prevented from being generated by the inclination.
As shown in fig. 4,5 and 6, the middle of the air stagnation disc 7 is fixedly connected with the mounting rod 6 through a connecting rod, in the case of the semi-section shown in fig. 4, the widths of the sections of the low-level areas 9 of the air stagnation discs 7 are the same (the edge lines are all vertical upwards and collinear), the action ranges can be completely overlapped, the air bubbles can be effectively stopped by overlapping each other, the actually acted areas of the arc-shaped grooves 701 are part of the section of fig. 4, and because the action ranges of the arc-shaped grooves 701 on the air stagnation discs 7 are overlapped in the air bubble floating position areas (the low-level areas 9), the adjustment is needed according to the inclination angle of the mounting rod 6.
If the inclination angle of the mounting bar 6 is too large, it results in a small working surface (radiation width in the horizontal direction) of the upper and lower regions 8 and 9, whereas if the inclination angle is too small, for example, near the horizontal, the buoyancy generated by the air bubbles makes it difficult to rotate the air stagnation plate 7, thereby realizing circulation, so that the inclination angle of the mounting bar 6 from the vertical direction is 20-40 °, preferably 25 ° or 30 °.
As shown in fig. 7, this state is a bottom view of two gas stagnation plates 7 in the axial direction, the arc grooves 701 of two gas stagnation plates 7 are staggered with each other, because if the arc grooves 701 of a single gas stagnation plate 7 are arranged too densely, the bubbles cannot pass through the gaps between the arc grooves 701, while the arc grooves 701 intercept part of the bubbles, which stay with the bubble part in the area between the adjacent arc grooves 701 to cause the bubbles to fuse with each other to form large bubbles, so the space generated between the adjacent arc grooves 701 on a single gas stagnation plate 7 should be larger than the diameter of the generated bubbles, and the arc grooves 701 on each layer of gas stagnation plate 7 are staggered to form a complete coverage by superposition of a plurality of gas stagnation plates 7.
As compared with the two arc grooves 701 with different inclination angles on the left side of fig. 9, the upper arc groove 701 is in a horizontal state because the edges of the notch are in a horizontal state, bubbles can be perfectly contained and cannot flow away, while the port of the lower left arc groove 701 is inclined, the bubbles have a tendency to float upwards towards the right, because the inner wall of the arc groove 701 has viscous force on the bubbles and limits the upper part of the bubbles, so that whether the bubbles float upwards depends on the inclination angle of the port of the arc groove 701, and in addition, as shown in the lower two arc grooves 701 in fig. 9, the coverage amplitude of the arc groove 701 also affects the floating of the bubbles, the larger the coverage amplitude of the arc groove 701 is, the more stable the bubbles are retained, in the case shown in fig. 6, if the inclination angle of the installation bar 6 is 30 ° and the notch of the arc groove 701 is inclined radially outward, then if the notch direction of the arc groove 701 is inclined outward by 30 °, the inclination angle of the arc groove 701 on the left side of fig. 6 is 30 ° and the inclination angle with respect to the vertical direction is 0 on the right side, and therefore, the inclination angle of the arc groove 701 with respect to the vertical direction in the high-level region 8 is related to the inclination angle of the installation bar 6, and therefore, the angle is also unfavorable, and bubbles are liable to be caused to float upward in advance, and therefore, the angle between the notch direction of the arc groove 701 and the axis of the installation bar 6 is 20 to 50 °, for example, 20 °, 30 °, and 40 °.
When the generated bubbles are too large, the surface area and volume of the bubbles are small, the purification efficiency of microorganisms is low, the arc-shaped groove 701 is not easy to process or the processing cost is large, when the bubbles are small and the arc-shaped groove 701 is large, the bubbles are fused, as shown in fig. 10, so that the finally stopped bubbles are still related to the arc-shaped groove 701, and the diameters of the generated bubbles are preferably 0.5mm and 1mm.
Example 2
The embodiment provides a biological deodorization method, which comprises the following steps:
S1: filtering, leading the original odor to a filtering tank through a fan, cleaning impurities in the odor, and leading the odor to an air inlet 2;
S2: after the pressurized and filtered gas is introduced into the gas collection chamber, the diameter of a gas outlet pipeline is smaller than that of a gas inlet pipeline 2, the gas pressure is increased or the gas is pressurized by pressurizing equipment, and the pressurized gas is introduced into the primary deodorizing cavity 10 for primary deodorizing;
S3: primary deodorization, wherein gas is led into a primary deodorization cavity 10 from the inside of a pipeline and small bubbles are generated at the mouth of the pipeline, the bubbles float upwards in biological liquid and are stopped by a gas stagnation disc 7, the bubbles float upwards to push and rotate the gas stagnation disc 7, and the stopped bubbles are diverted from a low-level area 9 to a high-level area 8 along with the gas stagnation disc 7 and are discharged in the high-level area; the diameter of the small bubbles is 0.5-2mm;
S4: a secondary deodorizing step in which bubbles, which have not been stopped in the lower region 9 of the gas stagnation plate 7 of the primary deodorizing cavity 10, enter the secondary deodorizing cavity 11 from the through groove 401 and deodorize the floating gas via the gas stagnation plate 7 in the secondary deodorizing cavity 11;
S5: spraying, wherein the gas treated in the primary deodorizing cavity 10 and the secondary deodorizing cavity 11 enters the spraying cavity and is finally treated by a deodorizing agent;
S6: and discharging, wherein the sprayed gas is discharged from the gas outlet 3.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (16)
1. The biological deodorization device is characterized by comprising a tower body (1), wherein an air inlet (2) is formed in the bottom of the tower body (1), an air outlet (3) is formed in the top of the tower body, the tower body (1) sequentially comprises a gas collection chamber, at least two deodorization cavities and a spraying cavity from bottom to top, and the gas collection chamber, the at least two deodorization cavities and the spraying cavity are separated by a partition plate (4);
The upper surface of a baffle plate (4) below each deodorizing cavity is fixedly connected with a fixed rod (5) which is arranged at an included angle with the vertical direction, the end part of the fixed rod (5) is rotationally connected with a mounting rod (6), the mounting rod (6) is sequentially and fixedly connected with a plurality of air stagnation discs (7) at intervals from bottom to top along the axial direction of the mounting rod, and the lower surface of each air stagnation disc (7) is provided with a plurality of arc grooves (701) for accommodating bubbles; the air stagnation disc (7) and the mounting rod (6) can be suspended or float in biological liquid under the action of no external force;
The air stagnation disc (7) is divided into a high-level area (8) and a low-level area (9) in an inclined state of the mounting rod (6); the air stagnation disc (7) is arranged in such a way that: when bubbles generated by air flow in biological liquid reach an arc-shaped groove (701) of a low-level area (9) of the air stagnation disc (7), the air stagnation disc (7) rotates under the action of buoyancy, the low-level area (9) and the high-level area (8) of the air stagnation disc (7) are rotated, and the bubbles are discharged in the high-level area (8) after moving along with the arc-shaped groove (701);
The gas collection chamber is connected with the lowest deodorizing cavity through a pipeline, one end of the pipeline in the lowest deodorizing cavity is positioned below a low-level area (9) of the lowest deodorizing cavity, and the end part of the pipeline is provided with a gas hole;
a through groove (401) is formed in the partition plate (4) between the deodorizing cavities, and the through groove (401) is positioned right above the low-level area (9) of the air stagnation disc (7) in the deodorizing cavity below;
A connecting pipeline is arranged on the partition board (4) between the spraying cavity and the uppermost deodorizing cavity in a penetrating way;
The adjacent deodorizing cavities are communicated through pipelines of high-level areas (8) of the air stagnation discs (7) of the adjacent deodorizing cavities at two ends respectively; or alternatively
The high-level area (8) of the air stagnation disc (7) of each deodorizing cavity is directly communicated with the spraying cavity through a pipeline except the uppermost deodorizing cavity.
2. The bio-deodorizing device of claim 1, wherein a branch pipe having a smaller diameter than the pipe leading to the primary deodorizing chamber is provided in the pipe between the air collection chamber and the lowermost deodorizing chamber, and the branch pipe is for supplementing a portion of the air bubbles to the deodorizing chamber adjacent to the lowermost deodorizing chamber.
3. The biological deodorization device according to claim 1, wherein the conduit between the plenum and the lowermost deodorization chamber is internally curved from the plenum to the spray chamber and then to the bottom of the deodorization chamber; the diameter of the pipeline between the gas collection chamber and the lowest deodorizing cavity is smaller than the diameter of the gas inlet (2).
4. A biological deodorization device according to claim 3, wherein the device further comprises a fan and/or a filter tank.
5. A biological deodorization device according to claim 3, wherein the device further comprises a pressurizing means.
6. The biological deodorizing device according to claim 1, wherein in each deodorizing cavity, the fixed rod (5) has the same angle with the vertical direction, said angle being 20-40 °;
The projections of the arc grooves (701) along the axial direction of the mounting rod (6) are staggered.
7. Biological deodorizing device according to claim 6, wherein the angle between the normal of the plane in which the notch edge of the arc-shaped groove (701) is located and the axis of the mounting stem (6) is 20-50 °.
8. The biological deodorization device according to claim 6, wherein the air stagnation disc (7) is a hollow annular disc, the outer diameter and the inner diameter of each annular disc are gradually increased from top to bottom along the axial direction of the mounting rod (6), a single-side outer diameter connecting line of a half-section of each air stagnation disc (7) is parallel to an inner diameter connecting line of the same side, and an included angle between the single-side outer diameter connecting line and the axis of the mounting rod (6) is the same as an included angle between the axis of the mounting rod (6) and the vertical direction.
9. The biological deodorizing device according to claim 1, wherein the lower surface of the partition plate (4) between the deodorizing cavities is provided obliquely downward from the edge of the through groove (401) toward the outer diameter surface.
10. The bio-deodorizing device of claim 9, wherein the diameter of bubbles formed by gas through the bubble holes is 0.5-2mm.
11. The biological deodorization device according to claim 1, wherein a spray device is provided at an upper portion of the spray chamber; and a shielding object is arranged above the communication pipeline between the spraying cavity and the uppermost deodorizing cavity.
12. The biological deodorization device according to any one of claims 1-11, wherein the number of the deodorization chambers is two, the primary deodorization chamber (10) is arranged below, the secondary deodorization chamber (11) is arranged above, and the high-level area (8) of the air stagnation disc (7) of the primary deodorization chamber (10) is directly communicated with the spraying chamber through a pipeline.
13. The biological deodorization device according to claim 12, wherein the lower end of the communication pipeline between the primary deodorization cavity and the spraying cavity is provided with a downward wide-mouth plate (12), the upper end passes through a partition plate (4) between the primary deodorization cavity (10) and the secondary deodorization cavity (11) and the partition plate (4) between the secondary deodorization cavity (11) and the spraying cavity to be led to the spraying cavity, and a shielding object is arranged above the upper end.
14. A biological deodorization method, characterized in that the biological deodorization device as claimed in any one of claims 1 to 13 is used, comprising the steps of:
S1, deodorizing: the gas enters the gas collection chamber through the gas inlet (2), then enters the lowermost deodorizing cavity from a pipeline between the gas collection chamber and the lowermost deodorizing cavity, bubbles are generated at the pipeline opening, float upwards in biological liquid and are stopped by the gas stagnation disc (7), the bubbles float upwards to push and rotate the gas stagnation disc (7), the stopped bubbles are turned from the low-level area (9) to the high-level area (8) along with the gas stagnation disc (7), and are discharged in the high-level area (8), and the non-stopped bubbles enter the upper deodorizing cavity in sequence to continue deodorizing;
S2, spraying: the deodorized gas enters a spray cavity and is subjected to final treatment by a deodorant;
S3, discharging: the sprayed gas is discharged from the gas outlet (3).
15. The bio-deodorization method of claim 14, wherein the step S1 is preceded by further comprising:
filtering, leading the original odor to a filtering tank through a fan, cleaning impurities in the odor, and leading the odor to an air inlet (2);
Pressurizing, namely pressurizing the filtered gas through a pipeline between the gas collection chamber and the lowest deodorizing cavity, or pressurizing through pressurizing equipment, and then introducing the filtered gas into the lowest deodorizing cavity.
16. The biological deodorization method according to claim 14, wherein the number of deodorization chambers is two, the primary deodorization chamber (10) is arranged below, the secondary deodorization chamber (11) is arranged above, and the step S1 comprises two steps of deodorization:
Primary deodorization: the gas enters the gas collection chamber through the gas inlet (2), then enters the primary deodorizing cavity (10) from a pipeline between the gas collection chamber and the primary deodorizing cavity (10), bubbles are generated at the pipeline opening, float upwards in biological liquid and are stopped by the gas stagnation disc (7), the bubbles float upwards to push and rotate the gas stagnation disc (7), the stopped bubbles are turned from the low-level area (9) to the high-level area (8) along with the gas stagnation disc (7), and are discharged in the high-level area (8), and the discharged gas enters the spraying cavity through the pipeline between the primary deodorizing cavity and the spraying cavity;
Secondary deodorization: bubbles which are not stopped in a low-level area (9) of the air stagnation disc (7) of the primary deodorizing cavity (10) enter the secondary deodorizing cavity (11) from the through groove (401), and the floating gas is deodorized by the air stagnation disc (7) in the secondary deodorizing cavity (11), and the deodorized gas enters the spraying cavity through a communicating pipeline of the spraying cavity and the secondary deodorizing cavity.
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| CN114558445A (en) * | 2022-03-02 | 2022-05-31 | 苏州市职业大学 | Biological deodorization device |
| CN218358430U (en) * | 2022-08-11 | 2023-01-24 | 锦州鑫泰基精细化工有限公司 | Chemical production's exhaust treatment device |
| CN219518382U (en) * | 2022-12-27 | 2023-08-15 | 江苏汇金环保科技有限公司 | Sewage station deodorizing device |
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|---|---|---|---|---|
| CN212770655U (en) * | 2020-06-18 | 2021-03-23 | 上海藻富环境科技有限公司 | High-efficiency carbon or nitrogen supply device for microalgae autotrophy |
| CN113087286A (en) * | 2021-03-16 | 2021-07-09 | 唐霞芬 | Sewage deodorization and purification treatment process method |
| CN114558445A (en) * | 2022-03-02 | 2022-05-31 | 苏州市职业大学 | Biological deodorization device |
| CN218358430U (en) * | 2022-08-11 | 2023-01-24 | 锦州鑫泰基精细化工有限公司 | Chemical production's exhaust treatment device |
| CN219518382U (en) * | 2022-12-27 | 2023-08-15 | 江苏汇金环保科技有限公司 | Sewage station deodorizing device |
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