A papermaking wastewater odor degradation device

Abstract

The utility model relates to wastewater stench technical field, and disclose a kind of papermaking wastewater stench degradation equipment, including first cylinder, the outer wall of first cylinder is separately provided with second cylinder and dissolved air tank, the top of second cylinder is separately provided with second cylinder, water pump and dissolved air pump, by the cooperation of first conveying pipe and dissolved air tank, second air pipe, dissolved air pump and first air pipe, make its helical first conveying pipe make wastewater form rotating flow and enter first cylinder, again cooperate dissolved air pump and the bubble generated by gas delivery from dissolved air tank, make wastewater under the action of centrifugal force, density greater wastewater and impurities are thrown to the inner wall of first cylinder, while the bubble of adhering stench material is gathered to center and forms foam layer, simultaneously by water pump, mounting disc and atomizing nozzle, its foam layer is delivered and sprayed to the surface of biological layer in the inner cavity of biological disc, make wastewater containing impurities and stench and biology fully contact, to improve its wastewater stench degradation processing effect.

Description

Technical Field

[0001] This utility model relates to the field of wastewater odor technology, specifically to a device for degrading odor from papermaking wastewater. Background Technology

[0002] In the papermaking industry, a large amount of wastewater containing malodorous substances such as hydrogen sulfide, ammonia, and methanethiol is generated during pulping, bleaching, and wastewater treatment. If not effectively treated, it will not only cause serious pollution to the surrounding environment and endanger human health, but also restrict the sustainable development of enterprises. Therefore, papermaking wastewater odor degradation equipment has become a key environmental protection equipment urgently needed in the industry.

[0003] When wastewater odor degradation equipment is in use, it usually adopts a simple pipeline transportation and static air flotation method. After the wastewater enters the equipment, the water flow distribution is uneven, making it difficult to form a stable and efficient separation flow field. As a result, impurities such as fibers and suspended solids in the wastewater cannot be fully separated, which in turn affects the efficiency of subsequent wastewater odor degradation. Therefore, we have introduced a papermaking wastewater odor degradation equipment. Utility Model Content

[0004] To address the shortcomings of existing technologies, this invention provides a papermaking wastewater odor degradation device that has the advantages of separating impurities and enhancing biodegradation, thus solving the problems mentioned in the background technology.

[0005] This utility model provides the following technical solution: a papermaking wastewater odor degradation device, comprising a first cylinder, a second cylinder and a dissolved gas tank respectively disposed on the outer wall of the first cylinder, a second cylinder, a water pump and a dissolved gas pump respectively disposed on the top of the second cylinder, a first water pipe and a second water pipe respectively disposed on the outer wall of the water pump, a first gas pipe and a second gas pipe respectively disposed on the outer wall of the dissolved gas pump, a first conveying pipe and a transmission assembly respectively disposed in the inner cavity of the first cylinder, an installation plate and a biological plate respectively fixedly installed on the inner wall of the second cylinder, an atomizing nozzle disposed at the bottom of the installation plate, and an adjustment assembly disposed on the outer wall of the second cylinder.

[0006] As a preferred technical solution of this utility model: the transmission assembly includes a first rotating shaft, the outer wall of the first rotating shaft is respectively fixedly sleeved with a spiral blade and a bevel gear, the bottom of the first cylinder is provided with a bevel gear, the outer wall of the bevel gear is fixedly sleeved with a second rotating shaft, the inner cavity of the second cylinder is provided with a third rotating shaft, the outer wall of the third rotating shaft is fixedly fitted with a connecting rod, the outer wall of the connecting rod is rotatably sleeved with a sleeve, and the bottom of the sleeve is fixedly fitted with a scraper.

[0007] As a preferred technical solution of this utility model: there are two bevel gears, and the two bevel gears are respectively set at the bottom of the first rotating shaft and the third rotating shaft. There are two second rotating shafts, and the two second rotating shafts are respectively set on both sides of the outer wall of the bevel gear and mesh with the outer edge teeth of the bevel gear. The bottom of the scraper is attached to and slidably set against the inner wall of the biological disc.

[0008] As a preferred technical solution of this utility model: the adjustment component includes a biological delivery tube, the outer wall of the biological delivery tube is provided with an annular mounting block, the outer wall of the annular mounting block is provided with a polygonal groove, the inner wall of the polygonal groove is slidably connected with a slider, the outer wall of the slider is fixedly installed with a polygonal barrier plate, the outer wall of the polygonal barrier plate is fixedly assembled with a fixing column, the outer wall of the annular mounting block is rotatably connected with a rotating cylinder, and the outer wall of the rotating cylinder is provided with a straight groove.

[0009] As a preferred technical solution of this utility model: there are six sliders, six polygonal barrier plates, six fixed columns and six straight grooves. The six sliders, six polygonal barrier plates, six fixed columns and six straight grooves are respectively arranged in the inner cavity of the rotating cylinder away from the outer wall of the annular mounting block. The inner wall of the six straight grooves is adapted to the outer wall of the fixed column. The six polygonal barrier plates are arranged in a circular array and are relatively close to each other and slide together.

[0010] As a preferred technical solution of this utility model: the outer wall of the first conveying pipe is spiral-shaped, and the water outlet corresponds to the spiral blade; one end of the second air pipe is connected to the air outlet of the dissolved air tank, and the other end is connected to the air inlet of the dissolved air pump; the first air pipe is located in the inner cavity of the first cylinder and is connected to the air outlet of the dissolved air pump; the first water pipe is located in the inner cavity of the first cylinder and is connected to the water inlet of the water pump; one end of the second water pipe is connected to the water outlet of the water pump, and the other end is connected to the water inlet of the mounting plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. This papermaking wastewater odor degradation equipment, through the cooperation of a first conveying pipe, a dissolved gas tank, a second gas pipe, a dissolved gas pump, and the first gas pipe, causes the wastewater to enter the first cylinder in a spiral shape. Then, the dissolved gas pump delivers gas from the dissolved gas tank to generate bubbles. Under the action of centrifugal force, the denser wastewater and impurities are thrown to the inner wall of the first cylinder, while the bubbles with attached odor substances gather towards the center to form a foam layer. At the same time, the foam layer is transported and sprayed onto the surface of the biological layer in the inner cavity of the biological plate by a water pump, mounting plate, and atomizing nozzle, so that the wastewater containing impurities and odors can fully contact the biological layer, thereby improving the odor degradation effect of the wastewater.

[0013] 2. This papermaking wastewater odor degradation equipment, through the linkage design of the transmission component and the biological disc, uses the impact spiral blades to drive the transmission component to operate, causing the scraper to evenly scrape the biological material along the inner wall of the biological disc, and then move in a fan-shaped direction through the sleeve to avoid biological accumulation. At the same time, the design of the adjustment component allows for flexible control of the amount of biological material added. By rotating the drum, the opening size of the biological delivery pipe can be adjusted. Thus, when the quality, quantity, or odor composition of the papermaking wastewater changes, the operator can adjust the amount of biological material according to the actual working conditions of the wastewater, ensuring that the equipment can maintain efficient operation under different conditions. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a schematic cross-sectional view of the present invention.

[0016] Figure 3 This is a schematic diagram of the internal structure of the cylindrical body of this utility model;

[0017] Figure 4 This is a schematic diagram of the transmission structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the adjustment structure of this utility model;

[0019] Figure 6 This utility model Figure 5 Enlarged structural diagram at point A in the middle.

[0020] In the diagram: 1. First cylinder; 2. Second cylinder; 3. Water pump; 4. Dissolved air pump; 5. Dissolved air tank; 6. First delivery pipe; 7. First water pipe; 8. Second water pipe; 9. First air pipe; 10. Second air pipe; 11. Mounting plate; 12. Atomizing nozzle; 13. Biological plate; 14. Transmission assembly; 15. Adjustment assembly;

[0021] 141. First rotating shaft; 142. Spiral blade; 143. Bevel gear; 144. U-shaped gear; 145. Second rotating shaft; 146. Third rotating shaft; 147. Sleeve; 148. Scraper; 149. Connecting rod;

[0022] 151. Biological delivery pipe; 152. Annular mounting block; 153. Polygonal groove; 154. Slider; 155. Polygonal barrier plate; 156. Fixed column; 157. Rotary drum; 158. Straight groove. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 - Figure 6 A papermaking wastewater odor degradation device includes a first cylinder 1. A second cylinder 2 and a dissolved air tank 5 are respectively arranged on the outer wall of the first cylinder 1. The top of the second cylinder 2 is respectively arranged with a second cylinder 2, a water pump 3 and a dissolved air pump 4. The outer wall of the water pump 3 is respectively provided with a first water pipe 7 and a second water pipe 8. The outer wall of the dissolved air pump 4 is respectively provided with a first air pipe 9 and a second air pipe 10. The inner cavity of the first cylinder 1 is respectively provided with a first conveying pipe 6 and a transmission assembly 14. The inner wall of the second cylinder 2 is respectively fixedly installed with an installation plate 11 and a biological plate 13. The bottom of the installation plate 11 is provided with an atomizing nozzle 12. The outer wall of the second cylinder 2 is provided with an adjustment assembly 15.

[0025] In the above structure, by setting the first conveying pipe 6, the filtered wastewater is conveyed to the inner cavity of the first cylinder 1. Then, through the cooperation of the dissolved gas tank 5, dissolved gas pump 4 and transmission component 14, the impurities in the wastewater are separated. The separated wastewater containing impurities is then degraded by the cooperation of the water pump 3, biological disc 13 and regulating component 15, thereby separating clean wastewater for subsequent environmentally friendly discharge.

[0026] In a preferred embodiment: the transmission assembly 14 includes a first rotating shaft 141, the outer wall of the first rotating shaft 141 is respectively fixedly sleeved with a spiral blade 142 and a bevel gear 143, the bottom of the first cylinder 1 is provided with a bevel gear 144, the outer wall of the bevel gear 144 is fixedly sleeved with a second rotating shaft 145, the inner cavity of the second cylinder 2 is provided with a third rotating shaft 146, the outer wall of the third rotating shaft 146 is fixedly assembled with a connecting rod 149, the outer wall of the connecting rod 149 is rotatably sleeved with a sleeve 147, and the bottom of the sleeve 147 is fixedly assembled with a scraper 148;

[0027] In a preferred embodiment: there are two bevel gears 143, and the two bevel gears 143 are respectively disposed at the bottom of the first rotating shaft 141 and the third rotating shaft 146; there are two second rotating shafts 145, and the two second rotating shafts 145 are respectively disposed on both sides of the outer wall of the bevel gear 144, meshing with the outer edge teeth of the bevel gear 143; the bottom of the scraper 148 is attached to and slides against the inner wall of the biological disc 13.

[0028] In the above structure, by arranging the bevel gear 143, the second rotating shaft 145, and the spiral blade 142, when the first conveying pipe 6 conveys wastewater, the spiral blade 142 will rotate under the linear impact of the water flow. This rotation of the spiral blade 142 will then drive the first rotating shaft 141 to rotate, which in turn will synchronously drive the bevel gear 143 at the bottom to rotate. The outer teeth of the rotating bevel gear 143 will then mesh with the teeth of the second rotating shaft 145, causing the second rotating shaft 145 to drive the bevel gear 144 to rotate. The other side of the bevel gear 144... The second rotating shaft 145 will also rotate, which will drive another set of bevel gears 143 to rotate. The rotating bevel gears 143 will drive the third rotating shaft 146 to rotate synchronously. The rotating third rotating shaft 146 will drive the connecting rod 149 fixedly mounted on the outer wall to rotate in a circle. This will cause the scraper 148 and the sleeve 147 to rotate synchronously. The scraper 148 will scrape the organisms in the inner cavity of the biological disc 13 evenly along the inner wall of the biological disc 13. At the same time, the accumulation of organisms will cause the scraper 148 to move in a fan-shaped direction through the sleeve 147 when scraping, thereby effectively improving the degradation efficiency of odor by the organisms in the inner cavity of the biological disc 13.

[0029] In a preferred embodiment: the adjustment component 15 includes a biological delivery tube 151, an annular mounting block 152 is provided on the outer wall of the biological delivery tube 151, a polygonal groove 153 is provided on the outer wall of the annular mounting block 152, a slider 154 is slidably connected to the inner wall of the polygonal groove 153, a polygonal barrier plate 155 is fixedly installed on the outer wall of the slider 154, a fixing post 156 is fixedly assembled on the outer wall of the polygonal barrier plate 155, a rotating cylinder 157 is rotatably connected to the outer wall of the annular mounting block 152, and a straight groove 158 is provided on the outer wall of the rotating cylinder 157.

[0030] In a preferred embodiment: there are six sliders 154, six polygonal barrier plates 155, six fixed posts 156 and six straight grooves 158. The six sliders 154, six polygonal barrier plates 155, six fixed posts 156 and six straight grooves 158 are respectively arranged in the inner cavity of the rotating cylinder 157 away from the outer wall of the annular mounting block 152. The inner wall of the six straight grooves 158 is adapted to the outer wall of the fixed post 156. The six polygonal barrier plates 155 are arranged in a circular array and are relatively close to each other and slide together.

[0031] In the above structure, by setting up sliders 154, polygonal barrier plates 155, fixed posts 156, and straight grooves 158, rotating the rotating cylinder 157 causes the six straight grooves 158 to rotate, causing the rotating straight grooves 158 to slide against the outer wall of the six fixed posts 156, thereby causing the six fixed posts 156 to rotate synchronously with the movement trajectory of the six straight grooves 158. At this time, the six fixed posts 156 will cause the six fixedly assembled polygonal barrier plates 155 to slide relative to each other. At the same time, the six sliding polygonal barrier plates 155 will cause the six sliders 154 to slide along the inner wall of the polygonal grooves 153. When the six polygonal barrier plates 155 slide relative to each other, the delivery port of the biological delivery tube 151 will open, allowing the passage. The opening size of the biological delivery tube 151 can be adjusted by adjusting the rotation of the rotating cylinder 157.

[0032] In a preferred embodiment: the outer wall of the first conveying pipe 6 is spiral-shaped, and the outlet corresponds to the spiral blade 142; one end of the second air pipe 10 is connected to the air outlet of the dissolved air tank 5, and the other end is connected to the air inlet of the dissolved air pump 4; the first air pipe 9 is located in the inner cavity of the first cylinder 1 and is connected to the air outlet of the dissolved air pump 4; the first water pipe 7 is located in the inner cavity of the first cylinder 1 and is connected to the water inlet of the water pump 3; one end of the second water pipe 8 is connected to the water outlet of the water pump 3, and the other end is connected to the water inlet of the mounting plate 11.

[0033] In the above structure, by setting the first conveying pipe 6, when conveying wastewater into the inner cavity of the first cylinder 1, the spiral shape of the first conveying pipe 6 causes the wastewater to slide down the spiral inner wall and rotate into the inner cavity of the first cylinder 1, thus creating a rotating flow in the inner cavity of the first cylinder 1. Then, by activating the dissolved air pump 4, the dissolved air pump 4 will deliver gas through the second air pipe 10 and the first air pipe 9 to the inner cavity of the first cylinder 1 to generate bubbles, causing the wastewater in the inner cavity of the first cylinder 1 to rotate. Under the action of centrifugal force, the denser wastewater will be thrown onto the inner wall of the first cylinder 1 and flow downwards, while the bubbles with attached odorous substances will gather towards the center and rise to the water surface to form a foam layer. Then, by starting the water pump 3, the water pump 3 will transfer the foam layer through the first water pipe 7 and the second water pipe 8 to the inner cavity of the mounting plate 11. The foam layer in the inner cavity of the mounting plate 11 will then be evenly sprayed onto the surface of the biological layer in the inner cavity of the biological plate 13 through the atomizing nozzle 12, thereby achieving the odor degradation of the wastewater with attached odorous substances.

[0034] Working principle: First, the filtered wastewater flows into the inner cavity of the first cylinder 1 through the first conveying pipe 6 with a spiral outer wall. Due to the spiral structure of the first conveying pipe 6, the wastewater slides down the inner wall in a rotating manner, forming a rotating flow inside the first cylinder 1. At the same time, the dissolved air pump 4 is started, which draws gas from the dissolved air tank 5 through the second air pipe 10 and delivers the gas to the inner cavity of the first cylinder 1 through the first air pipe 9, generating a large number of microbubbles. The centrifugal force generated by the rotating flow of the wastewater in the first cylinder 1 further causes the denser wastewater to... The water is thrown against the inner wall of the first cylinder 1 and flows downward. The bubbles with odorous substances attached to them gather towards the center due to their low density and rise to the surface of the water, forming foam containing impurities and odor. At the same time, the water pump 3 is activated, which extracts the foam layer formed on the surface of the water in the first cylinder 1 through the first water pipe 7 and transmits it to the inner cavity of the first cylinder 1 through the second water pipe 8. The foam layer in the inner cavity of the mounting plate 11 is then evenly sprayed onto the surface of the biological layer in the inner cavity of the biological plate 13 through the atomizing nozzle 12 set at the bottom, so that the wastewater containing impurities and odor comes into full contact with the organisms and undergoes odor degradation treatment.

[0035] Secondly, wastewater is conveyed through the first wastewater conveying pipe 6, causing the linear water impact to drive the spiral blade 142 to rotate. This, in turn, drives the first rotating shaft 141 to rotate. The bevel gear 143 at the bottom of the first rotating shaft 141 rotates synchronously. Simultaneously, the outer teeth of the rotating bevel gear 143 mesh with the teeth of the second rotating shaft 145, causing the second rotating shaft 145 to rotate. This, in turn, causes the bevel gear 144 to rotate, which in turn causes the second rotating shaft 145 on the other side to rotate, driving another set of bevel gears 143 to rotate, thus... The three rotating shafts 146 will rotate synchronously, so that when the third rotating shaft 146 rotates, it will drive the connecting rod 149 fixedly mounted on the outer wall to make a circular motion. The connecting rod 149 will drive the sleeve 147 and scraper 148 to rotate synchronously. In this way, the scraper 148 will scrape the organisms in the biological disc 13 evenly along the inner wall of the disc, and place them in sequence to prevent the organisms from accumulating. During the scraping, the scraper can move in a fan shape through the sleeve 147, thereby ensuring that the organisms are in full contact with wastewater and odor, and improving the degradation efficiency of odor by the organisms in the biological disc 13.

[0036] Then, rotating the drum 157 in the adjusting assembly 15 causes the six straight grooves 158 on its outer wall to rotate, so that the straight grooves 158 slide against the outer wall of the six fixed posts 156, causing the fixed posts 156 and the straight grooves 158 to rotate synchronously along their movement trajectories. This causes the fixed posts 156 to drive the six fixedly assembled polygonal barrier plates 155 to slide relative to each other, so that the polygonal barrier plates 155 drive the six sliders 154 to slide and displace along the inner wall of the polygonal grooves 153. When the six polygonal barrier plates 155 slide relative to each other, the delivery port of the biological delivery pipe 151 opens. By adjusting the rotation angle of the drum 157, the opening size of the biological delivery pipe 151 can be adjusted, thereby controlling the amount of biological addition and meeting the odor degradation requirements under different working conditions.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A papermaking wastewater odor degradation device, comprising a first cylinder (1), characterized in that: The outer wall of the first cylinder (1) is provided with a second cylinder (2) and a dissolved air tank (5). The top of the second cylinder (2) is provided with a second cylinder (2), a water pump (3) and a dissolved air pump (4). The outer wall of the water pump (3) is provided with a first water pipe (7) and a second water pipe (8). The outer wall of the dissolved air pump (4) is provided with a first air pipe (9) and a second air pipe (10). The inner cavity of the first cylinder (1) is provided with a first delivery pipe (6) and a transmission assembly (14). The inner wall of the second cylinder (2) is fixedly installed with an installation plate (11) and a biological plate (13). The bottom of the installation plate (11) is provided with an atomizing nozzle (12). The outer wall of the second cylinder (2) is provided with an adjustment assembly (15).

2. The odor degradation equipment for papermaking wastewater according to claim 1, characterized in that: The transmission assembly (14) includes a first rotating shaft (141), the outer wall of which is fixedly sleeved with a spiral blade (142) and a bevel gear (143). The bottom of the first cylinder (1) is provided with a bevel gear (144), the outer wall of which is fixedly sleeved with a second rotating shaft (145). The inner cavity of the second cylinder (2) is provided with a third rotating shaft (146), the outer wall of which is fixedly fitted with a connecting rod (149), the outer wall of which is rotatably sleeved with a sleeve (147), and the bottom of which is fixedly fitted with a scraper (148).

3. The odor degradation equipment for papermaking wastewater according to claim 2, characterized in that: There are two bevel gears (143), and the two bevel gears (143) are respectively located at the bottom of the first rotating shaft (141) and the third rotating shaft (146). There are two second rotating shafts (145), and the two second rotating shafts (145) are respectively located on both sides of the outer wall of the bevel gear (144) and mesh with the outer edge teeth of the bevel gear (143). The bottom of the scraper (148) is attached to and slides against the inner wall of the biological disc (13).

4. The odor degradation equipment for papermaking wastewater according to claim 1, characterized in that: The adjustment component (15) includes a biological delivery tube (151), an annular mounting block (152) is provided on the outer wall of the biological delivery tube (151), a polygonal groove (153) is provided on the outer wall of the annular mounting block (152), a slider (154) is slidably connected to the inner wall of the polygonal groove (153), a polygonal barrier plate (155) is fixedly installed on the outer wall of the slider (154), a fixing column (156) is fixedly assembled on the outer wall of the polygonal barrier plate (155), a rotating cylinder (157) is rotatably connected to the outer wall of the annular mounting block (152), and a straight groove (158) is provided on the outer wall of the rotating cylinder (157).

5. The odor degradation equipment for papermaking wastewater according to claim 4, characterized in that: There are six sliders (154), six polygonal barrier plates (155), six fixed posts (156), and six straight grooves (158). The six sliders (154), six polygonal barrier plates (155), six fixed posts (156), and six straight grooves (158) are respectively arranged in the inner cavity of the rotating cylinder (157) away from the outer wall of the annular mounting block (152). The inner wall of the six straight grooves (158) is adapted to the outer wall of the fixed post (156). The six polygonal barrier plates (155) are arranged in a circular array and are relatively close to each other and slide together.

6. The odor degradation equipment for papermaking wastewater according to claim 1, characterized in that: The outer wall of the first conveying pipe (6) is spiral-shaped, and the outlet corresponds to the spiral blade (142). One end of the second air pipe (10) is connected to the air outlet of the dissolved gas tank (5), and the other end is connected to the air inlet of the dissolved gas pump (4). The first air pipe (9) is located in the inner cavity of the first cylinder (1) and is connected to the air outlet of the dissolved gas pump (4). The first water pipe (7) is located in the inner cavity of the first cylinder (1) and is connected to the water inlet of the water pump (3). One end of the second water pipe (8) is connected to the water outlet of the water pump (3), and the other end is connected to the water inlet of the mounting plate (11).

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