Fluorine waste liquid circulating treatment device

Abstract

The utility model discloses a fluoride waste liquid circulating treatment device which comprises a sedimentation tank, a stirrer is arranged in the sedimentation tank, the top of the stirrer is connected with a stirring motor, and a calcium chloride adding assembly is arranged at the top of the sedimentation tank; the calcium chloride adding assembly comprises a supporting plate fixed to the inner wall of the sedimentation tank, a fixing frame is installed on the top side of the supporting plate, a driving motor is installed at the top of the fixing frame, a driving gear is rotatably connected to the bottom of the fixing frame, a toothed plate is slidably connected to the top of the supporting plate, and a sliding block is fixedly connected to the bottom of the toothed plate. The sliding blocks are distributed in bilateral symmetry about the bisector of the toothed plate, one side of the toothed plate is in meshed connection with the driving gear, a calcium chloride storage barrel is fixedly connected to the top of the toothed plate, a discharging pipe is arranged at the bottom of the calcium chloride storage barrel, the discharging pipe is inserted into the sedimentation tank, and an adjusting valve and an adding pump are arranged on the discharging pipe. The device can improve the adding uniformity of calcium chloride, so that the calcium chloride is conveniently mixed, and the circulating treatment effect of fluoride waste liquid is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluoride waste liquid treatment technical field, concretely is a kind of fluoride waste liquid recycling treatment device. BACKGROUND

[0002] Fluoride waste liquid refers to the wastewater containing fluoride ions (F-) generated in the industrial production process, because fluorine is an important element in many industrial processes, such as aluminum electrolysis, phosphate fertilizer production, semiconductor manufacturing, glass and ceramic industry, etc., so the wastewater discharged by these industries often contains a certain concentration of fluoride, untreated fluorine-containing wastewater directly discharged into the environment will cause serious pollution to water, soil and ecosystem, and may have adverse effects on human health.

[0003] The main purpose of the recycling of fluoride waste liquid is to reduce environmental pollution and, as far as possible, to recover valuable chemicals, and the fluoride waste liquid recycling system includes pretreatment, deep defluorination, solid-liquid separation, resource recovery and water reuse processes, etc., wherein calcium chloride needs to be added to the waste liquid for mixing and precipitation during deep defluorination, to facilitate subsequent separation, and the existing fluoride waste liquid sedimentation tank has the problem of uneven addition of calcium chloride, which leads to poor mixing effect, reduced precipitation effect and affects the subsequent recycling effect, so it needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of fluoride waste liquid recycling treatment device to solve the problem of poor recycling effect caused by uneven addition of calcium chloride in the sedimentation tank as described in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of fluoride waste liquid recycling treatment device, including sedimentation tank, stirring device is arranged in the inside of sedimentation tank, stirring motor is connected at the top of stirring device, the top of sedimentation tank is provided with calcium chloride adding assembly;

[0006] The calcium chloride adding assembly includes a support plate fixed to the inner wall of the sedimentation tank, a fixed frame is installed on the top side of the support plate, a drive motor is installed on the top of the fixed frame, a driving gear is rotatably connected to the bottom of the fixed frame, a toothed plate is slidably connected to the top of the support plate, the toothed plate is meshingly connected to the driving gear on one side, a calcium chloride storage barrel is fixedly connected to the top of the toothed plate, a discharge pipe is provided at the bottom of the calcium chloride storage barrel, the discharge pipe is inserted into the inside of the sedimentation tank, and an adjusting valve and an adding pump are provided on the discharge pipe.

[0007] Preferably, an opening is formed at the top of the calcium chloride storage barrel, and a cover is hingedly connected to one side of the opening.

[0008] Preferably, a sliding block is fixedly connected to the bottom of the toothed plate, and the sliding block is symmetrically distributed about the bisector of the toothed plate.

[0009] Preferably, a sliding groove is formed in the top of the support plate, and a sliding block is inserted into the sliding groove, the sliding block and the support plate being in sliding connection, and the support plate has a circular ring structure.

[0010] Preferably, the fixing frame, the driving motor and the driving gear are symmetrically distributed about the bisector of the sedimentation tank.

[0011] Preferably, the sedimentation tank is connected with a liquid inlet pipe on one side, and the liquid inlet pipe is provided with a liquid inlet pump and a liquid inlet valve.

[0012] Preferably, the sedimentation tank is connected with a first liquid outlet pipe, a second liquid outlet pipe and a sewage pipe on the other side, and the sewage pipe is located at the bottom of the second liquid outlet pipe.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] (1) The device can improve the uniformity of calcium chloride addition, thereby facilitating the mixing of calcium chloride and improving the fluorine waste liquid recycling treatment effect.

[0015] (2) The device is provided with an automatically rotating tooth plate on the top of the sedimentation tank, two calcium chloride storage barrels are arranged on the tooth plate, the calcium chloride storage barrels can be used for adding calcium chloride and polyaluminum chloride, and the calcium chloride and polyaluminum chloride can be uniformly added and mixed with the fluorine waste liquid, thereby improving the precipitation flocculation effect of the fluorine waste liquid and improving the fluorine waste liquid recycling treatment efficiency.

[0016] (3) The device is provided with a support plate on the inner wall of the sedimentation tank, the support plate supports the tooth plate and ensures smooth rotation of the tooth plate, thereby improving the stability of the tooth plate rotation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the fluorine waste liquid recycling treatment device of the present application;

[0018] Figure 2 It is a structure schematic view of the fluorine waste liquid recycling treatment device of the present application; Figure 1 It is an enlarged view of A in the figure;

[0019] Figure 3 It is a tooth plate plan view of the fluorine waste liquid recycling treatment device of the present application;

[0020] Figure 4 It is a support plate plan view of the fluorine waste liquid recycling treatment device of the present application.

[0021] In the figure: 1, sedimentation tank; 2, agitator; 3, liquid inlet pipe; 4, liquid inlet pump; 5, liquid inlet valve; 6, sewage pipe; 7, agitator motor; 8, calcium chloride adding assembly; 81, cover; 82, calcium chloride storage barrel; 83, regulating valve; 84, adding pump; 85, toothed plate; 86, driving motor; 87, fixing frame; 88, support plate; 89, sliding block; 810, driving gear; 9, first liquid outlet pipe; 10, second liquid outlet pipe. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to 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 the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Please refer to Figures 1-4The utility model provides a technical scheme: a fluoride waste liquid recycling treatment device, including the sedimentation tank 1, the inside of sedimentation tank 1 is provided with agitator 2, and the one side of sedimentation tank 1 is connected with liquid inlet pipe 3, is provided with liquid inlet pump 4 and liquid inlet valve 5 on liquid inlet pipe 3, and the other side of sedimentation tank 1 is connected with first liquid outlet pipe 9, second liquid outlet pipe 10 and blow-off pipe 6, and blow-off pipe 6 is located the bottom of second liquid outlet pipe 10, and the first liquid outlet pipe 9 and second liquid outlet pipe 10 of this structure facilitate waste liquid separation, and blow-off pipe 6 is used for the discharge of precipitate, and also be provided with liquid inlet valve 5 on first liquid outlet pipe 9, second liquid outlet pipe 10 and blow-off pipe 6, and blow-off pipe 6 is driven through blow-off pump, and the top of agitator 2 is connected with stirring motor 7, and the top of sedimentation tank 1 is provided with calcium chloride adding assembly 8, and calcium chloride adding assembly 8 includes the support plate 88 fixed in the inner wall of sedimentation tank 1, and the fixed frame 87 is installed on the top side of support plate 88, and the fixed frame 87, drive motor 86 and driving gear 810 are all about the bisecting line of sedimentation tank 1 and are left-right symmetrical distribution, and this structure can drive driving gear 810 automatic rotation through drive motor 86, and the top of fixed frame 87 is installed with drive motor 86, and the bottom of fixed frame 87 is rotatably connected with driving gear 810, and the top of support plate 88 is slidably connected with the toothed plate 85, and the bottom of toothed plate 85 is fixedly connected with sliding block 89, and sliding block 89 is about the bisecting line of toothed plate 85 and is left-right symmetrical distribution, and the top of support plate 88 is provided with the sliding slot, and the bottom of sliding block 89 is inserted in the sliding slot, and sliding block 89 and support plate 88 form sliding connection, and support plate 88 is circular ring structure, and this structure can improve the stability of toothed plate 85 in the process of rotation through the setting sliding block 89, and one side of toothed plate 85 is meshedly connected with driving gear 810, and the top of toothed plate 85 is fixedly connected with calcium chloride storage barrel 82, and the top of calcium chloride storage barrel 82 is provided with the opening, and the opening side is hinged with cover 81, and this structure is convenient for adding calcium chloride, and in the present application, calcium chloride storage barrel 82 is provided with two, one calcium chloride storage barrel 82 is used to add calcium chloride, and the other calcium chloride storage barrel 82 is used to add polyaluminium chloride, thereby strengthening flocculation effect, and the bottom of calcium chloride storage barrel 82 is provided with the discharge pipe, and the discharge pipe is inserted in the inside of sedimentation tank 1, and is provided with regulating valve 83 and adding pump 84 on the discharge pipe, and the adding amount of calcium chloride can be adjusted through regulating valve 83 and adding pump 84, and toothed plate 85 can be automatically rotated through driving gear 810, and the calcium chloride storage barrel 82 on toothed plate 85 is annularly added with calcium chloride about sedimentation tank 1, guarantees the uniformity of addition, is favorable to the effect of stirring and mixing.

[0024] Working principle: when using the fluoride waste liquid recycling device, first, the calcium chloride and polyaluminum chloride are added to the two calcium chloride storage barrels 82 on the tooth plate 85, and then the calcium chloride and polyaluminum chloride are added to the inside of the sedimentation tank 1 if necessary, the driving motor 86 can be started to drive the driving gear 810 to rotate, the driving gear 810 drives the tooth plate 85 to rotate in the process of rotating, the tooth plate 85 drives the calcium chloride storage barrel 82 to rotate in a ring shape at the top of the sedimentation tank 1, the adjusting valve 83 and the adding pump 84 at the bottom of the calcium chloride storage barrel 82 are opened in the process of rotating, at this time, the calcium chloride and polyaluminum chloride in the calcium chloride storage barrel 82 are added to the sedimentation tank 1 in an appropriate and uniform manner, and the stirrer 2 is stirred and mixed during the adding process, thereby improving the sedimentation and flocculation effect.

[0025] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fluoride waste liquid recycling device, comprising a sedimentation tank (1), a stirrer (2) is arranged inside the sedimentation tank (1), a stirring motor (7) is connected to the top of the stirrer (2), characterized in that: The precipitation tank (1) is provided with a calcium chloride adding assembly (8) at the top. The calcium chloride adding assembly (8) comprises a support plate (88) fixed to the inner wall of the precipitation tank (1), a fixing frame (87) mounted on the top side of the support plate (88), a driving motor (86) mounted on the top of the fixing frame (87), a driving gear (810) rotatably connected to the bottom of the fixing frame (87), a toothed plate (85) slidably connected to the top of the support plate (88), the toothed plate (85) being meshingly connected to the driving gear (810) on one side, a calcium chloride storage barrel (82) fixedly connected to the top of the toothed plate (85), a discharge pipe provided at the bottom of the calcium chloride storage barrel (82), the discharge pipe being inserted into the precipitation tank (1), and an adjusting valve (83) and an adding pump (84) provided on the discharge pipe.

2. The fluoride waste liquid recycling device according to claim 1, characterized in that: An opening is formed at the top of the calcium chloride storage barrel (82), and a cover (81) is hingedly connected to one side of the opening.

3. The fluoride waste liquid recycling device according to claim 1, characterized in that: The toothed plate (85) is fixedly connected with a sliding block (89), and the sliding block (89) is symmetrically distributed about the bisector of the toothed plate (85).

4. The fluoride waste liquid recycling device according to claim 1, characterized in that: A sliding groove is formed at the top of the support plate (88), and the sliding block (89) is inserted into the sliding groove, so that the sliding block (89) and the support plate (88) are slidably connected, and the support plate (88) has a circular ring structure.

5. The fluoride waste liquid recycling device according to claim 1, characterized in that: The fixing frame (87), the driving motor (86) and the driving gear (810) are symmetrically distributed about the bisector of the precipitation tank (1).

6. The fluoride waste liquid recycling device according to claim 1, characterized in that: The precipitation tank (1) is connected with a liquid inlet pipe (3) on one side, and the liquid inlet pipe (3) is provided with a liquid inlet pump (4) and a liquid inlet valve (5).

7. The fluoride waste liquid recycling device according to claim 1, characterized in that: The precipitation tank (1) is connected with a first liquid outlet pipe (9), a second liquid outlet pipe (10) and a sewage pipe (6) on the other side, and the sewage pipe (6) is located at the bottom of the second liquid outlet pipe (10).

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