Automatic carbon source feeding device of denitrification deep-bed filter
By designing an automatic carbon source dosing device, the quantitative delivery and flexible adjustment of carbon source in the denitrification deep bed filter were realized, which solved the problems of excessive total nitrogen in the effluent and filter media blockage caused by uneven carbon source dosing, thus improving operating efficiency and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-20
AI Technical Summary
Uneven carbon source addition in existing denitrification deep bed filters leads to excessive proliferation of denitrifying bacteria, altering the microbial community structure, resulting in excessive total nitrogen in the effluent, increasing operating costs and energy consumption, and causing the filter media to easily clog, thus reducing operating efficiency.
An automatic carbon source dosing device was designed. The device achieves quantitative delivery of carbon source through a rotating rod driven by a motor and a partition plate. The device is moved along the guide rail by a motor and a slider system, which enables flexible adjustment of the carbon source in the filter tank.
It achieves uniform distribution of carbon source, reduces human operation error, improves the consistency and compliance rate of effluent quality, reduces chemical costs and backwashing frequency, extends the filtration cycle of the filter bed, and reduces operating costs.
Smart Images
Figure CN224015401U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment technical field, especially a kind of carbon source automatic feeding device of denitrification deep bed filter. BACKGROUND
[0002] Denitrifying bacteria in denitrification deep bed filter is a kind of energy heterotrophic facultative anaerobic microorganism, and the carbon source of denitrification deep bed filter can be divided into original carbon source in sewage and additional carbon source, which is also an additional carbon source for denitrification deep bed filter. It has certain biological availability, and denitrifying bacteria can utilize ethanol for denitrification reaction to convert nitrate nitrogen into nitrogen. Ethanol has relatively good safety, is not flammable and explosive, and is relatively convenient to store and use.
[0003] When treating sewage, the carbon source may be added in excess, and excessive carbon source can cause denitrifying bacteria to overgrow and change microbial community structure, so that workers need to manually adjust the carbon source addition amount frequently, increase labor intensity and management difficulty, and additional other reagents may be needed for treatment, further increasing operating cost. The feeding device that cannot slide can only add carbon source at a fixed position, which can cause large differences in carbon source concentration in different areas of the filter tank. The carbon source concentration is too high near the feeding port, which can cause denitrifying bacteria to overgrow and change microbial community structure, while the carbon source concentration is too low far from the feeding port, which can cause insufficient denitrification reaction and nitrate nitrogen cannot be completely converted into nitrogen, resulting in excessive total nitrogen in effluent, difficulty in ensuring the consistency and compliance rate of effluent quality, easy to cause filter material blockage, shorten the filtration cycle of filter tank, increase the frequency and energy consumption of backwashing, and reduce the operating efficiency of filter tank SUMMARY
[0004] The main purpose of the utility model is to provide a carbon source automatic feeding device for denitrification deep bed filter, which can effectively solve the problems of workers needing to manually adjust the carbon source addition amount frequently, increasing labor intensity and management difficulty, possibly needing to add additional other reagents for treatment, further increasing operating cost, excessive total nitrogen in effluent, difficulty in ensuring the consistency and compliance rate of effluent quality, easy to cause filter material blockage, shorten the filtration cycle of filter tank, increase the frequency and energy consumption of backwashing, and reduce the operating efficiency of filter tank.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic carbon source dosing device for a denitrification deep bed filter, comprising a guide trough plate, a feeding cylinder arranged inside the trough of the guide trough plate, support plates fixedly connected to the left and right sides of the upper sidewall of the feeding cylinder, a shell fixedly connected to the inner sidewall of the two support plates, inclined plates fixedly connected to the upper, lower, front and rear sides of the shell, a fixing plate fixedly connected to the outer sidewall of the two support plates, a fixing device threadedly connected to the outer sidewall of the two fixing plates, a first motor arranged on the left sidewall of the left support plate, a protective box fixedly connected to the outer side of the first motor, a rotating rod fixedly connected to the output end of the first motor, and the outer side of the rotating rod penetrating through the interior of the two support plates.
[0006] Furthermore, the outer side of the rotating rod is rotatably connected to the inside of the two fixing devices, and an outer cylinder is fixedly connected to the outer side of the middle part of the rotating rod. A partition plate is fixedly connected to the outer side of the outer cylinder, and a first baffle is fixedly connected to the left and right sides of the multiple partition plates. The partition plates are set inside the outer shell.
[0007] Furthermore, a feed box is fixedly connected to the top of the two support plates. A slide rail groove is provided inside the feed box. A second baffle is slidably connected inside the slide rail groove. A handle is fixedly connected to the right side wall of the second baffle.
[0008] Furthermore, the top of both the front and rear sides of the feeding cylinder are fixedly connected to sliding plates, the front and rear sides of the feeding cylinder are fixedly connected to first connecting plates, the bottom of the feeding cylinder is fixedly connected to a guide box, and the four sliding plates are arranged on both sides of the guide groove.
[0009] Furthermore, fixing blocks are fixedly connected to both the left and right sides of the guide plate, and guide rails are fixedly connected to both the front and rear sides of the bottom of the guide plate. Second motors are provided on both the front and rear sides of the hole slot of the left fixing block, and connecting shafts are fixedly connected to the output ends of the two second motors.
[0010] Furthermore, pulleys are fixedly connected to the top ends of both connecting shafts, rollers are rotatably connected inside the fixing block, belts are provided inside the two pulleys, and the other side of the two belts is slidably connected to the inside of the guide rail.
[0011] Furthermore, each of the two guide rails has a slider on its inner sidewall, and each slider has four pulleys fixedly connected to its outer sidewall. Each set of four pulleys is slidably connected to the upper and lower slots of a guide rail, and each slider has a connecting block inside.
[0012] Further, each of the engaging blocks is fixedly connected with the belt inside the sliding block, the inner side wall of each of the sliding blocks is fixedly connected with a second connecting plate, the inner side wall of each of the second connecting plates is fixedly connected with a clamping block, and the inside of each of the clamping blocks is threadedly connected to the outside of a first connecting plate.
[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0014] 1、The utility model discloses a feeding cylinder, a shell, a fixed disc, a first motor, an outer tube, a partition plate and a feed box are set up, can solve the problem that staff needs to adjust carbon source adding amount manually frequently, increase labor intensity and management difficulty, may need to add other reagent to handle additionally, further increase operating cost's problem, the outer tube fixed connection of rotating rod middle outside rotates with rotating rod, and a plurality of partition plates on the outside of the outer tube also rotate. These partition plates divide the internal space of the shell into a plurality of independent areas, and each area can accommodate a certain amount of carbon source. When the partition plate rotates with the outer tube, the carbon source is sequentially transported from the feed port to the discharge port, thereby effectively reducing unnecessary carbon source consumption, reducing reagent cost, and reducing errors and instability caused by manual operation.
[0015] 2、The utility model discloses a second motor, a pulley, a pulley, a clamping block and a gyro wheel are set up, can solve the problem that total nitrogen in effluent exceeds the standard, is difficult to guarantee the consistency and the pass rate of effluent quality, is easy to cause filter material to be blocked, shortens the filtration cycle of filter tank, increases the frequency and energy consumption of backwashing, reduces the operation efficiency of filter tank's problem, through the sliding block along the guide rail smooth sliding. Since the clamping block is fixed with the sliding block through the second connecting plate, and the clamping block is threadedly connected to the outside of the first connecting plate, and the first connecting plate is connected with the feeding cylinder, thereby driving the feeding cylinder and the whole adding device to move along the guide groove plate, realizing flexible adjustment of the carbon source adding position. And the inside is connected with the external driving device, to drive sliding on the filter tank, thereby effectively improving the overall operation efficiency of the filter tank, reducing the frequency of backwashing, reducing the energy consumption of backwashing and the wear of filter material, which is conducive to the long-term stable operation of the filter tank and reduces the operating cost.
[0016] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 A perspective view of a carbon source automatic adding device of a denitrification deep bed filter tank is provided.
[0018] Figure 2 A shell structure diagram of a carbon source automatic adding device of a denitrification deep bed filter tank is provided.
[0019] Figure 3The utility model provides a kind of inclined plate structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0020] Figure 4 The utility model provides a kind of shell internal section view structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0021] Figure 5 The utility model provides a kind of partition plate structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0022] Figure 6 The utility model provides a kind of first baffle structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0023] Figure 7 The utility model provides a kind of second baffle schematic view of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0024] Figure 8 The utility model provides a kind of guide box structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0025] Figure 9 The utility model provides a kind of bottom view schematic view of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0026] Figure 10 The utility model provides a kind of fixed block structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0027] Figure 11 The utility model provides a kind of belt structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0028] Figure 12 The utility model provides a kind of guide rail structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0029] Figure 13 The utility model provides a kind of joint block structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0030] Figure 14 The utility model provides a kind of pulley structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model;
[0031] Figure 15 The utility model provides a kind of clamping block structure diagram of carbon source automatic adding device of denitrification deep bed filter proposed by the utility model.
[0032] Legend:
[0033] 1, guide groove plate; 2, blanking cylinder; 3, support plate; 4, shell; 5, inclined plate; 6, fixed disc; 7, protection box; 8, first motor; 9, rotating rod; 10, fixator; 11, outer cylinder; 12, partition plate; 13, first baffle; 14, feed box; 15, slide rail groove; 16, second baffle; 17, handle; 18, sliding plate; 19, first connecting plate; 20, flow guide box; 21, fixed block; 22, guide rail; 23, second motor; 24, connecting shaft; 25, pulley; 26, belt; 27, sliding block; 28, pulley; 29, engaging block; 30, second connecting plate; 31, clamping block; 32, roller. DETAILED DESCRIPTION
[0034] To make the technical means, creative features, purposes and effects of the present application easy to understand, the following further describes the present application in conjunction with specific embodiments.
[0035] As shown in Figure 1 - Figure 9 A carbon source automatic feeding device for a denitrification deep bed filter, comprising a guide groove plate 1, a blanking cylinder 2 is arranged inside the sliding groove of the guide groove plate 1, support plates 3 are fixedly connected to the left and right sides of the upper side wall of the blanking cylinder 2, a shell 4 is fixedly connected to the inner side walls of the two support plates 3, the support plates 3 on the top of the blanking cylinder 2 support the shell 4 on the left and right sides, so that the carbon source falls into the inside of the blanking cylinder 2 through the bottom of the shell 4 and is guided.
[0036] Inclined plates 5 are fixedly connected to the upper and lower front and rear sides of the shell 4, the four inclined plates 5 are fixed to the upper and lower front and rear sides of the shell 4 to achieve the effect of guiding flow, so that the carbon source can accurately enter the inside of the shell 4 and fall into the inside of the blanking cylinder 2 when feeding and discharging. The outer side walls of the two support plates 3 are fixedly connected with fixed discs 6, the outer side walls of the two fixed discs 6 are threadedly connected with fixators 10, a first motor 8 is arranged on the left side wall of the left support plate 3, a protection box 7 is fixedly connected to the outer side of the first motor 8, a rotating rod 9 is fixedly connected to the output end of the first motor 8, the rotating rod 9 penetrates through the inside of the two support plates 3 on the outer side, and the rotating rod 9 is rotatably connected to the inside of the two fixators 10 on the outer side, the protection box 7 on the outer side of the first motor 8 protects the first motor 8, and when the first motor 8 drives the rotating rod 9 to rotate through the output end, the left and right ends of the rotating rod 9 penetrate through the inside of the two support plates 3 and the inside of the fixators 10, and the left and right ends of the rotating rod 9 are supported by the support plates 3 and the fixators 10, so that the rotating rod 9 can stably operate when rotating.
[0037] The middle outer side of the rotating rod 9 is fixedly connected with an outer cylinder 11, the outer side of the outer cylinder 11 is fixedly connected with a partition plate 12, the left and right sides of the plurality of partition plates 12 are fixedly connected with a first baffle 13, the partition plate 12 is arranged in the inside of the shell 4, when the rotating rod 9 is driven, the outer cylinder 11 at the middle outer side of the rotating rod 9 rotates in the inside of the shell 4, a plurality of placing grooves are formed through the plurality of partition plates 12 at the outer side of the outer cylinder 11, and the left and right sides of the partition plate 12 are closed through the first baffle 13 to prevent the carbon source in the inside of the partition plate 12 from falling off from the left and right sides of the partition plate 12, and when the partition plate 12 is rotated by the rotating rod 9, the carbon source in the inside is sequentially transported from the feeding port to the discharging port, so that the quantitative transportation of the carbon source is realized, and it is ensured that the carbon source can be uniformly distributed at each position in the pool.
[0038] As shown in Figure 1 - Figure 9 The top of the two support plates 3 is fixedly connected with a feeding box 14, the inside of the feeding box 14 is provided with a sliding rail groove 15, the inside of the sliding rail groove 15 is slidably connected with a second baffle 16, the right side wall of the second baffle 16 is fixedly connected with a handle 17, the feeding box 14 is arranged as a storage and feeding device, when the carbon source is placed in the inside of the feeding box 14, the bottom second baffle 16 closes the discharging port of the feeding box 14 to prevent the carbon source from falling off, when the shell 4 needs to be fed, the handle 17 is pulled to make the second baffle 16 slide in the sliding rail groove 15 arranged in the inside of the feeding box 14, so that the discharging port of the feeding box 14 is opened, and the carbon source falls into the inside of the shell 4 below from the feeding box 14; when feeding is not needed, the handle 17 is pushed to close the second baffle 16, so that the carbon source is prevented from continuing to fall, and the control of the feeding process is realized.
[0039] The top of the front and rear sides of the discharging cylinder 2 is fixedly connected with a sliding plate 18, the front and rear sides of the discharging cylinder 2 are fixedly connected with a first connecting plate 19, and the bottom of the discharging cylinder 2 is fixedly connected with a flow guide box 20, the first connecting plate 19 is arranged to connect the front and rear devices to drive the discharging cylinder 2 and the device at the top to slide left and right, and the flow guide box 20 guides the carbon source. Four sliding plates 18 are arranged on the two sides of the sliding groove of the guide groove plate 1, the sliding plates 18 and the sliding groove of the guide groove plate 1 cooperate to realize the moving ability, the sliding plates 18 are arranged on the two sides of the sliding groove of the guide groove plate 1, so that the discharging cylinder 2 and the connected components can slide along the guide groove plate 1, the carbon source can be uniformly added to different positions of the filter tank, and the denitrification reaction effect is improved.
[0040] As shown in Figure 1 - Figure 14As shown, the left and right sides of the guide groove plate 1 are fixedly connected with the fixed blocks 21, the bottom of the guide groove plate 1 is fixedly connected with the guide rails 22, the left fixed block 21 is provided with the second motor 23 on the front and rear sides of the hole groove, the left and right sides of the guide groove plate 1 are fixedly connected with the fixed blocks 21, and the bottom of the guide groove plate 1 is fixedly connected with the guide rails 22. The output end of each second motor 23 is fixedly connected with a connecting shaft 24, the top end of each connecting shaft 24 is fixedly connected with a belt wheel 25, the inside of the fixed block 21 is rotatably connected with a roller 32, the inside of each belt wheel 25 is provided with a belt 26, and the inside of the other side of each belt 26 is slidably connected in the guide rail 22. The left guide rail 22 protects and supports the inside second motor 23, the connecting shaft 24 on the output end of the second motor 23 drives the belt wheel 25 to rotate, the inside of the belt wheel 25 generates friction with the belt 26, the belt 26 rotates, and the other side of the belt 26 rotates in the guide rail 22 to drive the external device to slide left and right on the guide rail 22.
[0041] As shown in the figure, Figure 1 Figure 15 As shown, the inside walls of the two guide rails 22 are provided with sliding blocks 27, and the outside walls of each sliding block 27 are fixedly connected with four pulleys 28. Each four pulleys 28 are slidably connected to the upper and lower hole grooves of one guide rail 22, and the pulleys 28 on the outside of the sliding block 27 are slidably connected to the upper and lower hole grooves of the guide rail 22 to provide support and stable sliding for the sliding block 27.
[0042] The inside of each sliding block 27 is provided with an engaging block 29, each engaging block 29 is fixedly connected to the inside of the sliding block 27 by a bolt, the inside wall of each sliding block 27 is fixedly connected with a second connecting plate 30, the inside wall of each second connecting plate 30 is fixedly connected with a clamping block 31, and the inside of each clamping block 31 is threadedly connected to the outside of one first connecting plate 19. A small part of the belt 26 is fixed in the inside of the sliding block 27 through the engaging block 29, so that when the belt 26 is driven to rotate forward and backward by the second motor 23, the sliding block 27 slides left and right on the guide rail 22, the second connecting plate 30 on the outside of the sliding block 27 is connected with the clamping block 31 and supports the clamping block 31, the inside of the clamping block 31 is connected with the first connecting plate 19 on the front and rear sides of the blanking cylinder 2, so that when the sliding block 27 is driven, the clamping block 31 on the outside also slides synchronously, thereby driving the blanking cylinder 2 and the entire feeding device to move along the guide groove plate 1, realizing flexible adjustment of the carbon source feeding position. The roller 32 in the guide rail 22 is connected with the external driving device to drive the roller 32 to slide on the filter tank.
[0043] It needs to be explained that the utility model is a kind of carbon source automatic feeding device of denitrification deep bed filter, first connecting first motor 8, second motor 23, gyro wheel 32 with the power supply, driving device and control panel of outside, to power supply and control to device.
[0044] Feed box 14 is used to store the carbon source to be added.Workers can slide second baffle 16 in the slide rail groove 15 inside feed box 14 by operating handle 17.When feeding is needed, pull handle 17 to open second baffle 16, and carbon source falls into the inside of shell 4 below from feed box 14;When feeding is not needed, push handle 17 to close second baffle 16, prevent carbon source from continuing to fall, realize the control of feeding process, and first motor 8 arranged on the left side wall of left support plate 3 is the power source of the whole quantitative feeding system.After first motor 8 starts, its output end drives rotary rod 9 to rotate.To protect first motor 8, protective box 7 is arranged on the outside of first motor 8, which can prevent external factors from damaging the motor and prolong the service life of the motor, rotary rod 9 penetrates two support plates 3 and fixator 10 and rotates therein, and outer cylinder 11 fixedly connected to the middle outside of rotary rod 9 rotates with rotary rod 9, and multiple partition plates 12 on the outside of outer cylinder 11 also rotate.These partition plates 12 divide the space inside shell 4 into multiple independent areas, and each area can accommodate a certain amount of carbon source.When partition plate 12 rotates with outer cylinder 11, carbon source is sequentially transported from feeding port to discharge port, realizing quantitative transport of carbon source.First baffle 13 on the left and right sides of partition plate 12 further ensures that carbon source does not leak during transport, ensuring the accuracy of quantitative feeding.Carbon source after quantitative transport falls through discharge cylinder 2, and guide box 20 fixedly connected to the bottom of discharge cylinder 2 guides the falling carbon source, so that carbon source can enter denitrification deep bed filter in appropriate manner and direction, which is conducive to better mixing of carbon source with sewage in filter.
[0045] The fixed blocks 21 fixedly connected to the left and right sides of the guide groove plate 1 and the related components add new power to the movement of the device. The second motor 23 arranged on the front and back sides of the hole groove of the left fixed block 21 is a driving power source. When the second motor 23 is started, the output end drives the connecting shaft 24 to rotate, and the pulley 25 at the top end of the connecting shaft 24 rotates. The two pulleys 25 are connected through the belt 26, and the other side of the belt 26 is slidably connected in the guide rail 22. The guide rail 22 is fixed to the bottom of the guide groove plate 1, and the sliding block 27 arranged on the inner side wall is connected with the belt 26 through the engaging block 29 and the bolt. The four pulleys 28 are fixed to the outer side wall of the sliding block 27 and slide in the hole groove on the upper and lower sides of the guide rail 22. In this way, the rotating power of the second motor 23 is transmitted to the belt 26 through the connecting shaft 24 and the pulley 25, the belt 26 pulls the sliding block 27, and the sliding block 27 slides along the guide rail 22 stably with the aid of the pulley 28. Since the clamping block 31 is fixed with the sliding block 27 through the second connecting plate 30, and the clamping block 31 is threadedly connected to the outer side of the first connecting plate 19, and the first connecting plate 19 is connected with the blanking cylinder 2, the blanking cylinder 2 and the whole adding device are driven to move along the guide groove plate 1, so that the flexible adjustment of the carbon source adding position is realized. The roller 32 in the guide rail 22 is connected with the external driving device to drive the roller 32 to slide on the filter tank.
[0046] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. An automatic carbon source dosing device for a denitrification deep bed filter, comprising a guide trough (1), characterized in that: The guide plate (1) has a feeding cylinder (2) inside its groove. The upper sidewall of the feeding cylinder (2) is fixedly connected to the left and right sides of the upper sidewall. The inner sidewall of the two support plates (3) is fixedly connected to the outer shell (4). The upper, lower, front and back sides of the outer shell (4) are fixedly connected to the inclined plate (5). The outer sidewall of the two support plates (3) is fixedly connected to the fixing plate (6). The outer sidewall of the two fixing plates (6) is threadedly connected to the fixing device (10). The left sidewall of the left support plate (3) is provided with a first motor (8). The outer side of the first motor (8) is fixedly connected to a protective box (7). The output end of the first motor (8) is fixedly connected to a rotating rod (9). The outer side of the rotating rod (9) is connected through the interior of the two support plates (3).
2. The automatic carbon source dosing device for a denitrification deep bed filter according to claim 1, characterized in that: The outer side of the rotating rod (9) is rotatably connected to the inside of the two fixing devices (10). The outer cylinder (11) is fixedly connected to the outer side of the middle part of the rotating rod (9). The outer side of the outer cylinder (11) is fixedly connected to the partition plate (12). The left and right sides of the multiple partition plates (12) are fixedly connected to the first baffle (13). The partition plate (12) is set inside the outer shell (4).
3. The automatic carbon source dosing device for a denitrification deep bed filter according to claim 1, characterized in that: The top of the two support plates (3) is fixedly connected to a feed box (14), and a slide rail groove (15) is provided inside the feed box (14). A second baffle (16) is slidably connected inside the slide rail groove (15), and a handle (17) is fixedly connected to the right side wall of the second baffle (16).
4. The automatic carbon source dosing device for a denitrification deep bed filter according to claim 3, characterized in that: The top of the front and rear sides of the feed cylinder (2) is fixedly connected with a sliding plate (18), the front and rear sides of the feed cylinder (2) are fixedly connected with a first connecting plate (19), the bottom of the feed cylinder (2) is fixedly connected with a guide box (20), and the four sliding plates (18) are set on both sides of the guide groove plate (1).
5. The automatic carbon source dosing device for a denitrification deep bed filter according to claim 4, characterized in that: The guide plate (1) is fixedly connected to the left and right sides with fixing blocks (21), and the bottom front and rear sides of the guide plate (1) are fixedly connected to guide rails (22). The front and rear sides of the hole slot of the left fixing block (21) are provided with second motors (23), and the output ends of the two second motors (23) are fixedly connected to connecting shafts (24).
6. The automatic carbon source dosing device for a denitrification deep bed filter according to claim 5, characterized in that: The top ends of the two connecting shafts (24) are fixedly connected to pulleys (25), and the inside of the fixed block (21) is rotatably connected to rollers (32). The inside of the two pulleys (25) is provided with belts (26), and the other side of the two belts (26) is slidably connected to the inside of the guide rail (22).
7. The automatic carbon source dosing device for a denitrification deep bed filter according to claim 6, characterized in that: Both guide rails (22) have sliders (27) on their inner sidewalls. Each slider (27) has four pulleys (28) fixedly connected to its outer sidewall. Each set of four pulleys (28) is slidably connected to the upper and lower side slots of a guide rail (22). Each slider (27) has a connecting block (29) inside its interior.
8. The automatic carbon source dosing device for a denitrification deep bed filter according to claim 7, characterized in that: Each of the connecting blocks (29) is fixedly connected to the belt (26) inside the slider (27) by bolts. A second connecting plate (30) is fixedly connected to the inner side wall of each slider (27). A clamping block (31) is fixedly connected to the inner side wall of each second connecting plate (30). The internal thread of each clamping block (31) is connected to the outside of a first connecting plate (19).