Dosing device

Abstract

The utility model provides a dosing device which comprises a flocculation box and a dosing hopper, the dosing hopper is fixed at the top of the flocculation box and is communicated with the inside of the flocculation box, the dosing hopper comprises a conical section and a cylindrical section, the cylindrical section is fixed below the conical section, a screen is arranged in the dosing hopper and is fixed on the inner wall of the conical section, and the conical section is fixed on the inner wall of the cylindrical section. A vibrating motor is arranged on the outer wall of the conical section, a screen is additionally arranged in the dosing hopper, when a dry powder medicament is added, the medicament can be crushed in the first step, damp and caked dry powder is crushed, the dry powder is prevented from blocking a dosing port, the vibrating motor on the side wall of the dosing hopper can shake the dosing hopper, and the dosing port is prevented from being blocked by the vibrating motor. And therefore, dry powder in the screen and the dosing hopper can be further shaken off, and the situation of blockage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to a dosing device. Background Art

[0002] In the water treatment industry, flocculation and sedimentation are usually used to purify sewage and sludge. Flocculants are added to sewage or sludge to aggregate and precipitate solid particles in the sewage and denser impurity particles in the sludge to achieve the purpose of separation and purification. Since sewage or sludge is generally in a flowing state during water treatment, the process of adding flocculants also needs to be carried out continuously.

[0003] The existing Chinese patent document CN201220494054.4 provides a dosing device for continuously adding agents in a water treatment process, including a hopper, a dosing device, a control device, a stirring device and a dissolving tank, wherein the hopper, the dosing device and the control device are fixed above the dissolving tank, the stirring device is arranged on the side of the dissolving tank, the dosing device is a spiral dosing device, the lower end outlet of which is arranged in the dissolving tank, and the upper part is connected to the hopper, and the control device is connected to the dosing device and the stirring device through electric wires to control the operation of the dosing device and the stirring device. The utility model has a simple process, is easy to use, can realize continuous dosing, ensures the uniformity of the concentration of flocculant addition, and improves the efficiency and effect of water treatment.

[0004] However, the above patent has certain defects when used. Since the dry powder medicine is very easy to get damp and clump, it will stick to the medicine outlet, causing the medicine outlet to be blocked, thereby affecting the normal operation of the medicine adding process.

[0005] For this reason, a dosing device is proposed here to solve the above-mentioned problems. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a drug adding device.

[0007] The utility model is implemented by the following technical solutions:

[0008] A dosing device comprises a flocculation box and a dosing hopper, wherein the dosing hopper is fixed on the top of the flocculation box and communicated with the inside of the flocculation box, the dosing hopper comprises a conical section and a cylindrical section, the cylindrical section is fixed below the conical section, a screen is provided inside the dosing hopper, and the screen is fixed on the inner wall of the conical section.

[0009] A vibration motor is arranged on the outer wall of the cone section.

[0010] Through the above technical solution, the internal screen can screen the dry powder reagents input, which can effectively break up the damp and agglomerated dry powder to prevent clogging of the dosing hopper, and the vibration motor further ensures that the dry powder will not clog the dosing hopper, ensuring smooth dosing.

[0011] A fixing block is provided at the upper end of the medicine adding hopper, a through hole is opened on the fixing block, and connecting rods are provided at both ends of the fixing block, and the connecting rods are fixed on the inner wall of the medicine adding hopper;

[0012] A cleaning motor is fixed on the fixed block, a rotating shaft is provided at the output end of the cleaning motor, the rotating shaft extends to the cylindrical section through a through hole, a stirring rod is provided on the outer wall of the rotating shaft, a scraper is provided at the end of the stirring rod, and the scraper is against the inner wall of the cylindrical section.

[0013] Through the above technical solution, the cleaning motor is used to drive the rotating shaft to rotate, and the scraper on the rotating shaft can also scrape the inner wall of the dosing hopper driven by the connecting rod, effectively preventing the agglomeration of dry powder from clogging the dosing hopper.

[0014] A slide rail is symmetrically arranged at the upper end of the cone section, and the slide rail is fixed on the inner wall of the cone section. The end of the connecting rod is arranged in the slide rail, and a spring is arranged inside the slide rail, and the spring is fixed at the bottom of the connecting rod.

[0015] Through the above technical solution, the worker presses the motor, and the spring in the slide rail on the inner wall of the dosing hopper is compressed and restored, thereby driving the motor to move up and down. In this way, the scraper can be moved up and down on the cylindrical section, so that the inner wall of the cylindrical section can be further scraped clean, and the dry powder agent on the scraper can be shaken off, ensuring smooth dosing of the dosing hopper.

[0016] A viewing window is arranged on the outer wall of the flocculation box.

[0017] Through the above technical solution, the flocculation situation inside the flocculation box can be observed through the window, so as to reduce or increase the dosage of the reagent, ensure the accuracy of the reagent dosage, avoid waste and improve efficiency.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. By adding a screen inside the dosing hopper, the first step of breaking the dry powder can be performed when adding the dry powder, breaking the damp and agglomerated dry powder to prevent the dry powder from clogging the dosing port. The vibration motor on the side wall of the dosing hopper can shake the dosing hopper, thereby further shaking off the dry powder on the screen and inside the dosing hopper to ensure that there will be no clogging;

[0020] 2. By setting a cleaning motor on the dosing hopper, the cleaning motor is used to drive the rotating shaft to rotate, and the scraper on the rotating shaft can also scrape the inner wall of the dosing hopper driven by the connecting rod, effectively preventing the agglomeration of dry powder from clogging the dosing hopper. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the medicine adding hopper of the utility model;

[0023] Figure 3 yes Figure 2 A schematic diagram of the structure enlargement in the middle;

[0024] Figure 4 This is a schematic diagram of the structure of the medicine adding hopper of the utility model from a top view;

[0025] In the figure: 1, flocculation box; 11, window; 2, dosing hopper; 21, cone section; 22, cylindrical section; 3, cleaning motor; 31, rotating shaft; 32, stirring rod; 33, scraper; 4, screen; 5, vibration motor; 6, fixing block; 61, connecting rod; 62, through hole; 63, slide rail. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0027] The utility model is further described below in conjunction with the accompanying drawings.

[0028] like Figure 1 As shown, a dosing device includes a flocculation box 1 and a dosing hopper 2, wherein the dosing hopper 2 is fixed on the top of the flocculation box 1 and is connected to the inside of the flocculation box 1, wherein the dosing hopper 2 includes a conical section 21 and a cylindrical section 22, wherein the cylindrical section 22 is fixed below the conical section 21, and a vibration motor 5 is provided on the outer wall of the conical section 21, and a window 11 is provided on the outer wall of the flocculation box 1, through which the flocculation situation inside the flocculation box 1 can be observed, thereby reducing or increasing the dosage of the agent, ensuring the accuracy of the agent dosage, avoiding waste, and improving efficiency.

[0029] like Figure 2 and Figure 4As shown, a screen 4 is provided inside the dosing hopper 2, and the screen 4 is fixed on the inner wall of the conical section 21. The internal screen 4 can screen the dry powder medicine input, and can effectively break up the dry powder that is damp and agglomerated to prevent clogging of the dosing hopper 2. The vibration motor 5 further ensures that the dry powder will not clog the dosing hopper 2, thereby ensuring smooth dosing.

[0030] A fixing block 6 is provided at the upper end of the dosing hopper 2, a through hole 62 is provided on the fixing block 6, and connecting rods 61 are provided at both ends of the fixing block 6, and the connecting rods 61 are fixed on the inner wall of the dosing hopper 2;

[0031] A cleaning motor 3 is fixed on the fixed block 6, and a rotating shaft 31 is provided at the output end of the cleaning motor 3. The rotating shaft 31 extends to the cylindrical section 22 through a through hole 62. A stirring rod 32 is provided on the outer wall of the rotating shaft 31. A scraper 33 is provided at the end of the stirring rod 32. The scraper 33 abuts against the inner wall of the cylindrical section 22.

[0032] The cleaning motor 3 is used to drive the rotating shaft 31 to rotate, and the scraper 33 on the rotating shaft 31 can also scrape the inner wall of the dosing hopper 2 driven by the connecting rod 61, effectively preventing the agglomeration of dry powder from clogging the dosing hopper 2.

[0033] like Figure 3 As shown, a slide rail 63 is symmetrically provided at the upper end of the inner part of the conical section 21, and the slide rail 63 is fixed on the inner wall of the conical section 21. The end of the connecting rod 61 is arranged in the slide rail 63. A spring is provided inside the slide rail 63, and the spring is fixed at the bottom of the connecting rod 61.

[0034] The worker presses the motor, and the spring in the slide rail 63 on the inner wall of the dosing hopper 2 is compressed and restored, thereby driving the motor to move up and down, so that the scraper 33 can be moved up and down on the cylindrical section 22, so that the inner wall of the cylindrical section 22 can be further scraped clean, and the dry powder agent on the scraper 33 can be shaken off, ensuring smooth dosing of the dosing hopper 2.

[0035] The use principle of the utility model is as follows: when in use, dry powder medicine is put into the medicine adding hopper 2, the dry powder is first screened through the screen 4 to break the agglomerated medicine, and then the vibration motor 5 vibrates to shake the dry powder off the screen 4 and the inner wall of the medicine adding hopper 2 to prevent the agglomerated dry powder from clogging the medicine adding port;

[0036] After the dosing is completed, the cleaning motor 3 is started, and the cleaning motor 3 drives the rotating shaft 31 to rotate. The scraper 33 at the bottom of the rotating shaft 31 scrapes the inner wall of the bottom of the dosing hopper 2 cleanly. At the same time, the motor can be pressed continuously, and the slide rails 63 on both sides of the dosing hopper 2 cooperate with the spring to drive the scraper 33 to move up and down, thereby cleaning the inner wall of the dosing hopper 2 more cleanly.

[0037] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A dosing device, comprising a flocculation box (1) and a dosing hopper (2), wherein the dosing hopper (2) is fixed to the top of the flocculation box (1) and communicated with the interior of the flocculation box (1), characterized in that: The dosing hopper (2) comprises a conical section (21) and a cylindrical section (22), wherein the cylindrical section (22) is fixed below the conical section (21), and a screen (4) is provided inside the dosing hopper (2), wherein the screen (4) is fixed on the inner wall of the conical section (21).

2. A dosing device according to claim 1, characterized in that: A vibration motor (5) is provided on the outer wall of the conical section (21).

3. A dosing device according to claim 2, characterized in that: A fixing block (6) is provided at the upper end of the medicine adding hopper (2), a through hole (62) is provided on the fixing block (6), connecting rods (61) are provided at both ends of the fixing block (6), and the connecting rods (61) are fixed on the inner wall of the medicine adding hopper (2); A cleaning motor (3) is fixedly mounted on the fixed block (6); a rotating shaft (31) is disposed at the output end of the cleaning motor (3); the rotating shaft (31) extends to the cylindrical section (22) through a through hole (62); a stirring rod (32) is disposed on the outer wall of the rotating shaft (31); a scraper (33) is disposed at the end of the stirring rod (32); the scraper (33) abuts against the inner wall of the cylindrical section (22).

4. A dosing device according to claim 3, characterized in that: A slide rail (63) is symmetrically arranged at the upper end of the interior of the conical section (21), and the slide rail (63) is fixed on the inner wall of the conical section (21). The end of the connecting rod (61) is arranged in the slide rail (63), and a spring is arranged inside the slide rail (63), and the spring is fixed at the bottom of the connecting rod (61).

5. A dosing device according to claim 4, characterized in that: A viewing window (11) is provided on the outer wall of the flocculation box (1).

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