Physicochemical dosing equipment for sludge backflow

Abstract

The utility model relates to dosing equipment for physicochemical treatment of sludge backflow, and belongs to the technical field of dosing equipment for physicochemical treatment of sludge backflow. Comprising a medicine storage tank, a pump body fixed to the bottom face of the medicine storage tank, a medicine feeding pipe fixed to the water outlet end of the pump body, a first connecting pipe fixed to the end, away from the pump body, of the medicine feeding pipe, a second connecting pipe installed at the right end of the first connecting pipe, and a medicine adding mechanism arranged on the first connecting pipe. The medicine adding mechanism comprises a supporting bin fixed to the bottom face of the first connecting pipe and the bottom face of the second connecting pipe, a rotating pipe rotationally connected to the right side of the supporting bin and a plurality of medicine outlet pipes fixed to the peripheral wall of the rotating pipe. According to the physicochemical dosing equipment for sludge backflow, during dosing, the motor can drive the rotating pipes on the two supporting bins to rotate and drive the chemical outlet pipe to rotate, so that the situation that chemicals are added at the same position is avoided, the added chemicals can be dispersed more uniformly in sewage, and the chemical mixing efficiency is effectively improved.

Description

Technical Field

[0001] The present application relates to the technical field of dosing equipment for physical and chemical sludge return, and in particular to dosing equipment for physical and chemical sludge return. Background Art

[0002] In the wastewater treatment process, chemical agents such as coagulants, flocculants, oxidants, reductants, pH adjusters, stabilizers, etc. are usually added to make the wastewater coagulate and precipitate to generate chemical sludge, thereby achieving the effect of sewage treatment.

[0003] For example, a Chinese patent (publication number: CN218709366U) discloses a novel deep treatment system, including a first coagulation system, a second coagulation system, a dosing device and a sludge treatment device; the dosing device outlets are respectively located on the first reaction tank and the second reaction tank, the water inlet end of the sludge treatment device is connected to the bottom of the second sedimentation tank, and the water outlet end of the sludge treatment device is respectively connected to the inlet ends of the first reaction tank and the second reaction tank. Through such an arrangement, the sludge return water undergoes two physical and chemical treatments and sedimentation. Through the structure combining sludge return and secondary coagulation and sedimentation, the utilization efficiency of sewage treatment agents is improved, and the total cost of physical and chemical treatment of high-index and high-sludge-content wastewater is reduced. The system occupies a small area, has a reasonable design, is simple to operate, and has good economic benefits.

[0004] However, the above search patent still has some shortcomings. The drug outlet position of its dosing device is fixed, resulting in the inability to evenly disperse the dosed drug. It needs to rely on a stirring structure for stirring and mixing. When the sewage treatment system is running, the sewage is flowing, so that some sewage cannot be fully stirred and mixed with the drug, thereby reducing the sewage treatment effect and causing certain inconveniences in use. Therefore, a physical and chemical dosing device for sludge return is proposed to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present application provides a physical and chemical dosing device for sludge return, which has the advantages of uniform dispersion of the agent, and solves the problem of uneven dispersion of the agent during dosing in the device disclosed in the above-mentioned search patent.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a dosing device for physicalization of sludge return, comprising a medicine storage tank, a pump body fixed to the bottom surface of the medicine storage tank and having a water inlet connected to the medicine storage tank, a medicine delivery pipe fixed to the water outlet of the pump body, a first connecting pipe fixed to an end of the medicine delivery pipe away from the pump body, a second connecting pipe installed at the right end of the first connecting pipe, a dosing mechanism arranged on the first connecting pipe, and a connecting mechanism arranged on the first connecting pipe;

[0007] The drug adding mechanism includes a support bin fixed on the bottom surfaces of the first connecting tube and the second connecting tube, a motor fixed on the left end of the first connecting tube, a driving shaft fixed on the right end of the motor output shaft, a plug-in cylinder sleeved on the right end of the driving shaft, a connecting shaft fixed on the right end of the plug-in cylinder, a rotating tube rotatably connected to the right side of the support bin, a plurality of drug outlet tubes fixed on the outer peripheral wall of the rotating tube, a transmission wheel fixed on the driving shaft, the connecting shaft and the outer peripheral wall of the rotating tube, and a belt connected to the transmission wheel, and a plurality of drug outlet holes are opened on the right side of the drug outlet tube.

[0008] The above technical solution is adopted to store chemical agents through the medicine storage tank. When in use, the pump body transports the agent to the inside of the first connecting pipe and the second connecting pipe through the medicine delivery pipe, and further adds it to the sewage return treatment tank for treatment through the medicine adding mechanism. The medicine adding mechanism is provided with a motor. When adding medicine, the motor can drive the rotating tubes on the two supporting bins to rotate and drive the medicine outlet pipe to rotate, avoiding adding agents at the same position, so that the added agents can be dispersed more evenly in the sewage, thereby effectively improving the mixing efficiency of the agents, being more practical, and being more convenient for promotion and use.

[0009] Further, the connecting mechanism includes a threaded ring rotatably connected to the outer circumferential wall of the second connecting tube and threadedly connected to the first connecting tube, a slider fixed on the inner circumferential wall of the threaded ring, a sealing cylinder threadedly connected to the right end of the second connecting tube, and a support plate rotatably connected to the driving shaft and the outer circumferential wall of the connecting shaft, and a sliding groove for sliding connection of the slider is opened on the outer circumferential wall of the second connecting tube.

[0010] By adopting the above technical solution, the first connecting pipe and the second connecting pipe are connected by a threaded ring provided by the connecting mechanism, which facilitates the assembly operation of the device. At the same time, more second connecting pipes can be installed on the right end of the second connecting pipe through the connecting mechanism, which is convenient for adding dosing mechanisms according to the number of sewage treatment tanks, thereby further improving the practicality of the device.

[0011] Furthermore, four supporting legs are fixed on the outer peripheral wall of the medicine storage tank, a medicine inlet pipe is fixed on the top surface of the medicine storage tank, a glass observation window is fixed on the front surface of the medicine storage tank, and the bottom surface of the medicine storage tank is conical.

[0012] By adopting the above technical solution, the glass observation window is provided to facilitate observation of the remaining amount of chemical agent inside the medicine storage tank, so that when the remaining amount is insufficient, it can be added in time through the feed pipe. The conical bottom of the medicine storage tank is more conducive to the discharge of the agent through the pump body.

[0013] Furthermore, the first connecting tube and the second connecting tube are both circular tubes, the left end of the first connecting tube is closed and the right end is open, the left and right ends of the second connecting tube are both open, and threaded grooves are provided on the outer peripheral walls of the first connecting tube and the second connecting tube near the right end.

[0014] By adopting the above technical solution, it is convenient to fix the second connecting pipe through the thread groove and the thread ring to complete the installation of the second connecting pipe, or to connect the sealing cylinder through the thread groove to close the end of the second connecting pipe.

[0015] Furthermore, the slider and the slide groove are both annular structures, annular sealing gaskets are fixed to the left and right ends of the second connecting tube, the support plate on the active shaft is fixed to the inner wall of the first connecting tube, and the support plate on the connecting shaft is fixed to the inner wall of the second connecting tube.

[0016] By adopting the above technical solution, the sealing performance between the first connecting pipe and the second connecting pipe can be improved by providing an annular sealing gasket, and the stability of the driving shaft and the connecting shaft can be improved by providing a supporting plate.

[0017] Furthermore, a supporting bottom plate is fixed to the bottom surface of the supporting bin, the driving shaft and the connecting shaft are both square shafts, and the plug-in sleeve is a square sleeve and is clearance-matched with the driving shaft.

[0018] By adopting the above technical solution, the driving shaft can drive the connecting shaft to rotate through the plug-in cylinder, thereby facilitating better transmission.

[0019] Furthermore, the rotating tube is a circular tube with an open left end and a closed right end, and the plurality of medicine outlet tubes are evenly distributed along the circumferential direction of the rotating tube.

[0020] The above technical solution is adopted to facilitate the chemical agent to be evenly dispersed by wind through the drug outlet pipe.

[0021] Furthermore, the transmission wheel on the driving shaft is connected to the transmission wheel in the left support bin via a belt drive, and the transmission wheel on the connecting shaft is connected to the transmission wheel in the right support bin via a belt drive.

[0022] By adopting the above technical solution, it is convenient to drive multiple rotating tubes to rotate synchronously through the set motor, so as to improve the dispersion uniformity of the chemical agent.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The chemical dosing equipment for sludge return stores chemical agents by means of a drug storage tank. When in use, the pump body delivers the agent to the inside of the first connecting pipe and the second connecting pipe through the drug delivery pipe, and further adds the agent to the sewage return treatment tank for treatment through the drug dosing mechanism. The drug dosing mechanism is provided with a motor. When adding drugs, the motor can drive the rotating tubes on the two supporting bins to rotate and drive the drug outlet pipe to rotate, so as to avoid adding drugs at the same position, so that the added drugs can be dispersed more evenly in the sewage, thereby effectively improving the mixing efficiency of the drugs, having better practicality, and being more convenient for popularization and use.

[0025] 2. The dosing equipment for the physical and chemical treatment of sludge return has a first connecting pipe and a second connecting pipe connected by a connecting mechanism, which is convenient for the assembly operation of the device. At the same time, more second connecting pipes can be installed on the right end of the second connecting pipe through the connecting mechanism, which is convenient for adding dosing mechanisms according to the number of sewage treatment tanks, thereby further improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a front view schematic diagram of the present application;

[0027] Figure 2 A schematic side view of the drug delivery tube for this application;

[0028] Figure 3 This is a front cross-sectional schematic diagram of the first connecting pipe of the present application;

[0029] Figure 4 This is a front cross-sectional schematic diagram of the threaded ring of the present application;

[0030] Figure 5 It is a three-dimensional schematic diagram of the plug-in tube of this application.

[0031] In the figure: 1. medicine storage tank; 2. pump body; 3. medicine delivery pipe; 4. first connecting pipe; 5. second connecting pipe; 601. support bin; 602. motor; 603. driving shaft; 604. plug-in cylinder; 605. connecting shaft; 606. rotating tube; 607. medicine outlet pipe; 608. transmission wheel; 609. belt; 610. medicine outlet hole; 701. threaded ring; 702. slider; 703. sealing cylinder; 704. support plate; 705. slide groove. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present application.

[0033] See also Figure 1 to Figure 2 In this embodiment, a dosing device for physicalization of sludge return includes a drug storage tank 1, a pump body 2 fixed on the bottom surface of the drug storage tank 1 and the water inlet end is connected to the drug storage tank 1, a drug delivery pipe 3 fixed on the water outlet end of the pump body 2, a first connecting pipe 4 fixed on the end of the drug delivery pipe 3 away from the pump body 2, a second connecting pipe 5 installed on the right end of the first connecting pipe 4, a dosing mechanism arranged on the first connecting pipe 4 and a connecting mechanism arranged on the first connecting pipe 4. Chemical agents are stored by the drug storage tank 1. When in use, the pump body 2 transports the agents to the inside of the first connecting pipe 4 and the second connecting pipe 5 through the drug delivery pipe 3, and further disperses the agents uniformly into the sewage return treatment tank for treatment through the dosing mechanism, thereby effectively improving the mixing efficiency of the agents. The first connecting pipe 4 and the second connecting pipe 5 are connected by the connecting mechanism, which is convenient for the assembly operation of the device. At the same time, more second connecting pipes 5 can be installed on the right end of the second connecting pipe 5 through the connecting mechanism, which is convenient for adding dosing mechanisms according to the number of sewage treatment tanks, further improving the practicality of the device.

[0034] It should be noted that the control method of the present application is controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and the present application is mainly used to protect mechanical devices, so the present application will no longer explain the control method and circuit connection in detail.

[0035] Four supporting legs are fixed on the outer wall of the medicine storage tank 1, a medicine feed pipe is fixed on the top surface of the medicine storage tank 1, a glass observation window is fixed on the front of the medicine storage tank 1, and the bottom surface of the medicine storage tank 1 is conical. The glass observation window is arranged to facilitate observation of the remaining amount of chemical agents inside the medicine storage tank 1, so that when the remaining amount is insufficient, timely addition can be made through the feed pipe. The conical bottom of the medicine storage tank 1 is more conducive to the discharge of the agent through the pump body 2. The first connecting tube 4 and the second connecting tube 5 are both circular tubes. The left end of the first connecting tube 4 is closed and the right end is open. The left and right ends of the second connecting tube 5 are both open. Threaded grooves are provided on the outer walls of the first connecting tube 4 and the second connecting tube 5 and near the right end.

[0036] See also Figures 1 to 5The dosing mechanism includes a support bin 601 fixed to the bottom surface of the first connecting tube 4 and the second connecting tube 5, a rotating tube 606 rotatably connected to the right side of the support bin 601, a plurality of drug outlet pipes 607 fixed to the outer peripheral wall of the rotating tube 606, and a plurality of drug outlet holes 610 are opened on the right side of the drug outlet pipe 607. The rotating tube 606 is a circular tube with an open left end and a closed right end. The plurality of drug outlet pipes 607 are equidistantly distributed along the circumferential direction of the rotating tube 606. When in use, the support bin 601 is placed on the side of the sewage return treatment tank close to the water inlet, and then the pump body 2 is started. The pump body 2 delivers the chemical agent in the medicine storage tank 1 to the first connecting pipe 4 and the second connecting pipe 5 through the medicine delivery pipe 3. Further, the agent enters the support bin 601 and enters the medicine outlet pipe 607 through the rotating pipe 606, and then is discharged from the medicine outlet hole 610 on the medicine outlet pipe 607 to the sewage return treatment tank for reaction, so that the sewage is coagulated and precipitated to generate chemical sludge. The dosing mechanism also includes a motor 602 fixed at the left end of the first connecting pipe 4, a driving shaft 603 fixed at the right end of the output shaft of the motor 602, and a plug-in sleeve 606 mounted on the right end of the driving shaft 603. 04, the connecting shaft 605 fixed on the right end of the plug-in tube 604, the driving shaft 603, the connecting shaft 605 and the transmission wheel 608 fixed on the outer peripheral wall of the rotating tube 606 and the belt 609 connected to the transmission wheel 608, the transmission wheel 608 on the driving shaft 603 is connected to the transmission wheel 608 in the left support bin 601 through the belt 609, the transmission wheel 608 on the connecting shaft 605 is connected to the transmission wheel 608 in the right support bin 601 through the belt 609, when adding medicine, the motor 602 is started, and the motor 602 is driven by the belt 609. The driving shaft 603 is driven to rotate, the driving shaft 603 drives the plug-in cylinder 604 to rotate, and the plug-in cylinder 604 drives the connecting shaft 605 to rotate, so that the driving shaft 603 and the connecting shaft 605 drive the transmission wheels 608 inside the first connecting tube 4 and the second connecting tube 5 to rotate, and further, the transmission wheels 608 inside the first connecting tube 4 and the second connecting tube 5 drive the transmission wheels 608 inside the two supporting bins 601 to rotate through the belt 609, so that the rotating tube 606 drives the medicine outlet tube 607 to rotate, so that the medicine can be dispersed more evenly in the sewage.

[0037] In this embodiment, a supporting base plate is fixed to the bottom surface of the supporting bin 601, and the supporting base plate can support the supporting bin 601 and the first connecting tube 4 and the second connecting tube 5 to improve the structural stability. The driving shaft 603 and the connecting shaft 605 are both square shafts, and the plug-in tube 604 is a square sleeve and has a clearance fit with the driving shaft 603. The square structure facilitates transmission between the driving shaft 603 and the connecting shaft 605.

[0038] See also Figures 3 to 5In this embodiment, the connecting mechanism includes a threaded ring 701 rotatably connected to the outer peripheral wall of the second connecting tube 5 and threadedly connected to the first connecting tube 4, a slider 702 fixed on the inner peripheral wall of the threaded ring 701, a sealing cylinder 703 threadedly connected to the right end of the second connecting tube 5, and a support plate 704 rotatably connected to the driving shaft 603 and the outer peripheral wall of the connecting shaft 605. A sliding groove 705 for sliding connection of the slider 702 is provided on the outer peripheral wall of the second connecting tube 5. When assembling the device, the threaded ring 701 is rotated to make it threadedly connected to the thread groove on the outer peripheral wall of the first connecting tube 4. At this time, the right end of the driving shaft 603 is inserted into the inside of the plug-in cylinder 604 to realize the transmission between the driving shaft 603 and the connecting shaft 605. When a large number of sewage pools need to be installed with the second connecting tube 5, the sealing cylinder 703 at its left end is unscrewed, and then the threaded ring 701 is rotated to repeat the above operation for installation and splicing.

[0039] In this embodiment, the slider 702 and the slide groove 705 are both annular structures, annular sealing gaskets are fixed on both ends of the second connecting tube 5, the support plate 704 on the active shaft 603 is fixed to the inner wall of the first connecting tube 4, and the support plate 704 on the connecting shaft 605 is fixed to the inner wall of the second connecting tube 5.

[0040] The working principle of the above embodiment is:

[0041] (1) When in use, the support chamber 601 is placed on the side of the sewage return treatment tank close to the water inlet, and then the pump body 2 is started. The pump body 2 transports the chemical agent in the medicine storage tank 1 to the first connecting pipe 4 and the second connecting pipe 5 through the medicine delivery pipe 3. Further, the agent enters the support chamber 601 and enters the medicine outlet pipe 607 through the rotating pipe 606, and then is discharged from the medicine outlet hole 610 on the medicine outlet pipe 607 to the sewage return treatment tank for reaction, so that the sewage is coagulated and precipitated to generate chemical sludge. When adding the agent, the motor 602 is started, and the motor 602 drives The driving shaft 603 rotates, and the driving shaft 603 drives the plug-in tube 604 to rotate, and the plug-in tube 604 drives the connecting shaft 605 to rotate, so that the driving shaft 603 and the connecting shaft 605 drive the transmission wheels 608 inside the first connecting tube 4 and the second connecting tube 5 to rotate. Further, the transmission wheels 608 inside the first connecting tube 4 and the second connecting tube 5 drive the transmission wheels 608 inside the two supporting bins 601 to rotate through the belt 609, so that the rotating tube 606 drives the medicine outlet tube 607 to rotate, so that the medicine can be dispersed more evenly in the sewage;

[0042] (2) When assembling the device, rotate the threaded ring 701 to make it threadedly connected with the threaded groove on the outer wall of the first connecting pipe 4. At this time, the right end of the driving shaft 603 is inserted into the plug-in cylinder 604 to realize the transmission between the driving shaft 603 and the connecting shaft 605. When a large number of sewage pools need to be installed with the second connecting pipe 5, unscrew the sealing cylinder 703 at its left end, and then rotate the threaded ring 701 and repeat the above operation to install and splice.

Claims

1. A chemical dosing device for sludge return, characterized in that: The invention comprises a medicine storage tank (1), a pump body (2) fixed to the bottom surface of the medicine storage tank (1) and having a water inlet end connected to the medicine storage tank (1), a medicine delivery pipe (3) fixed to the water outlet end of the pump body (2), a first connecting pipe (4) fixed to an end of the medicine delivery pipe (3) away from the pump body (2), a second connecting pipe (5) installed at the right end of the first connecting pipe (4), a medicine adding mechanism arranged on the first connecting pipe (4), and a connecting mechanism arranged on the first connecting pipe (4); The drug adding mechanism comprises a support bin (601) fixed to the bottom surfaces of the first connecting tube (4) and the second connecting tube (5), a motor (602) fixed to the left end of the first connecting tube (4), a driving shaft (603) fixed to the right end of the output shaft of the motor (602), a plug-in tube (604) sleeved on the right end of the driving shaft (603), a connecting shaft (605) fixed to the right end of the plug-in tube (604), a rotating tube (606) rotatably connected to the right side of the support bin (601), a plurality of drug outlet tubes (607) fixed to the outer peripheral wall of the rotating tube (606), a transmission wheel (608) fixed to the driving shaft (603), the connecting shaft (605) and the outer peripheral wall of the rotating tube (606), and a belt (609) connected to the transmission wheel (608) for transmission, and a plurality of drug outlet holes (610) are provided on the right side of the drug outlet tube (607).

2. The dosing device for physical and chemical treatment of sludge return according to claim 1, characterized in that: The connection mechanism comprises a threaded ring (701) rotatably connected to the outer peripheral wall of the second connection tube (5) and threadedly connected to the first connection tube (4), a slider (702) fixed to the inner peripheral wall of the threaded ring (701), a sealing cylinder (703) threadedly connected to the right end of the second connection tube (5), and a support plate (704) rotatably connected to the outer peripheral wall of the driving shaft (603) and the connection shaft (605), and a sliding groove (705) for sliding connection of the slider (702) is provided on the outer peripheral wall of the second connection tube (5).

3. The dosing device for physical and chemical treatment of sludge return according to claim 1, characterized in that: Four supporting legs are fixed on the outer peripheral wall of the medicine storage tank (1), a medicine inlet pipe is fixed on the top surface of the medicine storage tank (1), a glass observation window is fixed on the front surface of the medicine storage tank (1), and the bottom surface of the medicine storage tank (1) is conical.

4. The dosing device for physical and chemical treatment of sludge return according to claim 1, characterized in that: The first connecting tube (4) and the second connecting tube (5) are both circular tubes. The left end of the first connecting tube (4) is closed and the right end is open. The left and right ends of the second connecting tube (5) are both open. The outer peripheral walls of the first connecting tube (4) and the second connecting tube (5) are both provided with thread grooves near the right ends.

5. The dosing device for physical and chemical treatment of sludge return according to claim 2, characterized in that: The slider (702) and the slide groove (705) are both annular structures. Annular sealing pads are fixed to both left and right ends of the second connecting tube (5). The support plate (704) on the driving shaft (603) is fixed to the inner wall of the first connecting tube (4), and the support plate (704) on the connecting shaft (605) is fixed to the inner wall of the second connecting tube (5).

6. The dosing device for physical and chemical treatment of sludge return according to claim 1, characterized in that: A supporting bottom plate is fixed to the bottom surface of the supporting bin (601); the driving shaft (603) and the connecting shaft (605) are both square shafts; the plug-in cylinder (604) is a square sleeve and is clearance-matched with the driving shaft (603).

7. The dosing device for physical and chemical treatment of sludge return according to claim 1, characterized in that: The rotating tube (606) is a circular tube with an open left end and a closed right end, and the plurality of medicine outlet tubes (607) are distributed equidistantly along the circumferential direction of the rotating tube (606).

8. The dosing device for physical and chemical treatment of sludge return according to claim 1, characterized in that: The transmission wheel (608) on the driving shaft (603) is connected to the transmission wheel (608) in the left support bin (601) via a belt (609), and the transmission wheel (608) on the connecting shaft (605) is connected to the transmission wheel (608) in the right support bin (601) via a belt (609).

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