CN217676951U - Sewage adds medicine blender - Google Patents
Sewage adds medicine blender Download PDFInfo
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- CN217676951U CN217676951U CN202221375036.4U CN202221375036U CN217676951U CN 217676951 U CN217676951 U CN 217676951U CN 202221375036 U CN202221375036 U CN 202221375036U CN 217676951 U CN217676951 U CN 217676951U
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Abstract
The utility model discloses a sewage adds medicine blender belongs to the chemical industry equipment field. The sewage dosing mixer comprises a water pipeline for conveying sewage, a water inlet and a water outlet are formed in two ends of the water pipeline respectively, and at least one treating agent feeding port is formed in the water pipeline. The mixer also comprises a fixed paddle arranged in the water conveying pipeline, and the fixed paddle comprises a plurality of paddles; the paddles are arranged in the water conveying pipeline in a staggered mode, are not parallel to the flowing direction of sewage, and are provided with at least one oval hole. The oval hole is seted up to the paddle that is located conduit inside, supplies sewage to pass through, can form more vortexes, increases the torrent of medicament and sewage mixing in-process, promotes mixed effect and increase and thoughtlessly congeals GT value.
Description
Technical Field
The utility model relates to a chemical industry equipment field, concretely relates to sewage adds medicine blender.
Background
Production enterprises in the chemical field have a large amount of polluted water to be treated, and the conventional treatment method usually needs to add agents such as a pH regulator, a coagulant, a flocculating agent and the like to carry out primary treatment on the sewage.
In the prior art, in order to achieve sufficient mixing of the medicament and the sewage, mechanical stirring, folded plate or orifice plate mixing, pipeline mixing or vortex mixing and the like are commonly used. The above-mentioned treatments have advantages and disadvantages, for example, the most common mechanical stirring is used, which not only consumes much energy and the water flow in the system is mainly bulk flow and laminar flow, but also generates much turbulence beneficial to the mixing of the medicament under the condition of irregular flow surface or the presence of a spoiler, but is not optimal for the rapid mixing of the added medicament.
Therefore, the sewage chemical feeding mixer without power is developed, and the good sewage treatment capacity is realized by utilizing a special structural design.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a chemical adding mixer for sewage, which can ensure good sewage treatment capability and save energy consumption.
The utility model provides a sewage dosing mixer, which comprises a water pipeline for conveying sewage, wherein both ends of the water pipeline are respectively provided with a water inlet and a water outlet;
the mixer also comprises a fixed paddle arranged in the water conveying pipeline, and the fixed paddle comprises a plurality of paddles;
the paddles are arranged in the water conveying pipeline in a staggered mode, are not parallel to the flowing direction of sewage, and are provided with at least one oval hole.
In some embodiments of the present invention, the fixed paddle further comprises a fixed shaft, the fixed shaft is inserted into the water pipe along the flowing direction of the sewage; the paddles are arranged on the fixed shaft in a staggered mode.
In some embodiments of the present invention, the number of the fixing shafts is one; and/or each blade is perpendicular to the flow direction of the sewage.
In some embodiments of the present invention, the blades are distributed in a three-dimensional spiral shape, for example, the blades are sequentially connected at the same fixed position of the mixer to form a three-dimensional spiral line.
In some embodiments of the present invention, the blades form a plurality of blade rows; each group of blade rows are arranged along the sewage flow direction and are arranged periodically.
In some embodiments of the present invention, the number of blades in each blade row is 2 to 12, preferably 4 to 8.
In some embodiments of the present invention, a projection of each paddle in each paddle column on the cross section of the water pipe forms a closed figure.
In some embodiments of the present invention, the water pipe comprises an upper half pipe and a lower half pipe, and the upper half pipe and the lower half pipe are connected to form a water pipe cavity; the cross sections of the upper half pipeline and the lower half pipeline are arc-shaped or elliptic arc-shaped;
in some embodiments of the present invention, the cross section of the upper half pipeline is a semi-circular arc, and the cross section of the lower half pipeline is a semi-elliptical arc;
and/or the upper half pipeline and the lower half pipeline are integrally formed or welded; and/or the treating agent feeding port is arranged on the upper half pipeline;
in some embodiments of the present invention, the number of the treating agent feeding ports is three, and the treating agent feeding ports are located on the same straight line; and/or the mixer further comprises a lifting piece for adjusting the height of the water conveying pipeline.
The utility model discloses a sewage adds medicine blender possesses following beneficial effect:
1) Set up the elliptical aperture on the paddle that is located conduit inside, supply sewage to pass through, can form more vortexes, increase the torrent of medicament and sewage mixing in-process, promote the mixed effect and increase and congeal GT value.
2) All the blades are distributed in a three-dimensional spiral shape, so that turbulence in the mixing process of the medicament and the sewage is increased.
3) The number of the blades in each blade row is 2-12 (preferably 4-8), so that the control of the splicing spiral distribution form is facilitated, and the requirement of optimal hydraulic conditions is facilitated.
4) The height of the water conveying pipeline can be adjusted by arranging the lifting piece, and the optimal water conservancy condition of the connection of the front process and the rear process is ensured.
5) Have three medicament openings and be located a straight line, can observe the effect of the medicament that last opening added at next opening to in time make the adjustment.
Drawings
FIG. 1 is a schematic front view of a fixed paddle (including a fixed shaft and a paddle) of a chemical adding mixer according to an embodiment of the present invention, wherein a spiral dotted line indicates a three-dimensional spiral distribution form;
FIG. 2 is a schematic front view of a water pipe of the chemical-feeding mixer according to the embodiment of the present invention;
FIG. 3 is a schematic top view of a water pipe of the chemical-adding mixer according to the embodiment of the present invention;
FIG. 4 is a schematic side view of a water pipe of the chemical-feeding mixer according to the embodiment of the present invention;
FIG. 5 is a diagram of the usage state of the dosing mixer according to the embodiment of the present invention.
The reference numbers in the figures:
1. a water delivery pipeline;
11. a water inlet;
12. a water outlet;
13. a treating agent inlet;
14. an upper half pipeline;
15. a lower half pipeline;
2. a blade row;
21. a paddle blade;
211. an oval hole;
3. a fixed shaft;
4. a lifting member;
5. a sewage pipe;
6. a sedimentation tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "both ends", "upper side", "lower side", "bottom side", and the like indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The sewage flowing direction refers to the direction of the sewage flowing from the water inlet to the water outlet.
The GT value indirectly represents the total number of particle collisions during the flocculation time. Wherein, the G value refers to a speed gradient and is used for representing the stirring degree during coagulation; in GT value, T is the flocculation reaction time (without mixing time), and GT value contains the amount of agitation G and reaction time T, and is therefore a comprehensive measure of the coagulation process.
Examples
As shown in fig. 1-4, the sewage dosing mixer comprises a water pipe 1 for conveying sewage, a water inlet 11 and a water outlet 12 are respectively arranged at two ends of the water pipe 1, and at least one treating agent feeding port 13 is arranged on the water pipe 1. The mixer also comprises a fixed paddle arranged in the water conveying pipeline 1, and the fixed paddle comprises a plurality of paddles 21. The paddles 21 are arranged in the water pipeline 1 in a staggered mode, the paddles 21 are not parallel to the flowing direction of sewage, and each paddle 21 is provided with at least one oval hole 211. The paddles 21 can be fixed on the inner wall of the water pipe 1 in a staggered manner to form a fixed paddle, or the fixed paddle further comprises at least one fixing member, the fixing member is fixed in the water pipe 1, and each paddle 21 is fixed on the fixing member. Oval hole 211 set up quantity, size and do not do specifically to restrict in the position on the paddle, under the intensity prerequisite of guaranteeing not to influence paddle 21, can supply sewage to pass through and form more vortexes, increase the torrent of medicament and sewage mixing in-process, promote the mixed effect and increase and congeal GT value. Specifically, the number of the oval holes 211 is generally 1 to 5, and the size of the oval holes on the paddle 21 is reasonably designed according to the size of the paddle 21, and generally does not exceed 2/3 of the total area of the paddle 21. In addition, each blade 21 is not parallel to the sewage flow direction, that is, each blade 21 forms an included angle with the sewage flow direction, and the included angle is designed according to needs and is generally 60-120 degrees.
In an embodiment, the fixed paddle further includes a fixed shaft 3 (i.e. the above-mentioned fixing member), the fixed shaft 3 is inserted into the water pipe 1 along the flowing direction of the sewage, and the paddles 21 are alternatively arranged on the fixed shaft 3. Specifically, the fixed shaft 3 is detachably disposed inside the water pipe 1, and the detachable connection mode includes, but is not limited to, bolt connection.
In a specific embodiment, the water pipe 1 is horizontally arranged, and the fixed shaft 3 is one and penetrates through the water pipe 1 and is located at a central axis of a water delivery cavity of the water pipe 1.
In an embodiment, each blade 21 is perpendicular to the flow direction of the sewage, i.e. each blade 21 forms an angle of 90 ° with the flow direction of the sewage, i.e. each blade 21 is perpendicularly arranged on the outer side of the fixed shaft 3.
In a preferred embodiment, whether the blades 21 are fixed in the conduit 1 in any of the above-mentioned ways, all the blades 21 are distributed in a three-dimensional spiral pattern, aiming to increase the turbulence during the mixing of the agent with the sewage. The three-dimensional helical profile is further explained: for example, the blades 21 are connected in sequence at the same fixed position of the mixer to form a three-dimensional spiral line, and the pitch of the blades is not specifically limited and is designed according to actual requirements. In one embodiment, as shown in fig. 1, the connecting line of the center points of the connecting surfaces of the blades 21 and the fixed shaft 3 is a three-dimensional archimedean spiral.
In a preferred embodiment, also shown in fig. 1, the blades 21 form a plurality of blade rows 2. Each group of blade rows 2 are arranged along the flowing direction of the sewage and are arranged periodically, namely, the connecting line of the central points of the connecting surfaces of the blades 21 and the fixed shaft 3 is a fixed period, namely, the three-dimensional Archimedes spiral with fixed screw pitch. Wherein the number of the blade rows 2 is reasonably designed according to the length of the water conveying pipeline 1 and/or the fixed shaft 3.
In one embodiment, the number of blades 21 in each blade row 2 is from 2 to 12, preferably from 4 to 8. The reasonable number of the blades 21 is to control the angle of the splicing spiral curved surface, too many blades are too smooth, too few blades are too abrupt, and the requirements on the optimal hydraulic conditions are not met.
In a preferred embodiment, the projections of the blades 21 in each blade row 2 on the cross section of the water conveying pipe 1 form a closed figure. Specifically, as shown in fig. 4, the number of the paddles is six, the outer ring of the projection of each paddle 21 on the side view forms an ellipse-like closed figure, and the inner ring forms a circular closed figure, which coincides with the cross-sectional outer periphery of the fixed shaft.
In a preferred embodiment, as shown in fig. 4, the water pipeline 1 comprises an upper half pipeline 14 and a lower half pipeline 15, and the upper half pipeline 14 and the lower half pipeline 15 are connected to form a water pipeline cavity. The cross sections of the upper half pipeline 14 and the lower half pipeline 15 are circular arc or elliptic arc.
In one embodiment, as shown in fig. 4, the upper half-pipe 14 is provided with a plurality of groups of blade rows 2, each group of blade rows 2 is provided with two blades 21, and each blade 21 is provided with two oval holes 211; the lower half-duct 15 has a plurality of groups of blade rows 2, each group of blade rows 2 having four blades 21, each blade 21 having an oval hole 211.
In one embodiment, as shown in FIG. 4, the upper half-pipe 14 has a semi-circular arc shape in cross-section and the lower half-pipe 15 has a semi-elliptical arc shape in cross-section, i.e., the diameter of the semi-circular arc shape coincides with the minor axis of the semi-elliptical arc shape.
In one embodiment, the upper half-pipe 14 and the lower half-pipe 15 are integrally formed or welded.
In one embodiment, the treating agent inlet 13 is provided in the upper half pipe 14.
In a preferred embodiment, the treating agent feeding ports 13 are three in number and are located in the same straight line, so that the effect of the agent fed from the previous opening can be observed from the next opening and timely adjusted.
In a preferred embodiment, the mixer also comprises a lifting element 4 for adjusting the height of the water duct in order to ensure optimal hydraulic conditions (in particular start and end phases) for the coupling of the preceding and subsequent processes.
The use method of the sewage dosing mixer in each embodiment specifically comprises the following steps:
s1, a water inlet 11 of a sewage dosing mixer is connected with a discharge port of an untreated sewage pipe 5, and a water outlet 12 at the other end of the sewage dosing mixer is open and leads to an open sedimentation tank 6;
s2, injecting untreated sewage into a sewage dosing mixer, and adding a pH regulator into a pipe at a first top opening closest to a water inlet 11;
s3, observing the state of the sewage after the pH regulator is added at the second opening, and adding a proper amount of coagulant according to actual conditions;
s4, observing the state of the sewage after the coagulant is added at the third opening, and adding a proper amount of flocculant according to actual conditions;
and S5, observing the state of the sewage at the water outlet, and adjusting the lifting piece 4 according to actual conditions to control the overall height of the sewage dosing mixer so as to optimize the mixing state of the sewage and the medicament.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A sewage dosing mixer comprises a water pipeline (1) for conveying sewage, wherein a water inlet (11) and a water outlet (12) are respectively arranged at two ends of the water pipeline (1), and the sewage dosing mixer is characterized in that at least one treating agent feeding port (13) is arranged on the water pipeline (1);
the mixer also comprises a fixed paddle arranged in the water conveying pipeline (1), and the fixed paddle comprises a plurality of paddles (21);
each paddle (21) is arranged in the water conveying pipeline (1) in a staggered mode, each paddle (21) is not parallel to the flowing direction of sewage, and each paddle (21) is provided with at least one oval hole (211).
2. The sewage dosing mixer according to claim 1, wherein the fixed paddle further comprises a fixed shaft (3), and the fixed shaft (3) is arranged in the water conveying pipeline (1) in a penetrating manner along the sewage flowing direction;
the paddles (21) are arranged on the fixed shaft (3) in a staggered mode.
3. The sewage dosing mixer according to claim 2, wherein the number of the fixed shaft (3) is one;
and/or each blade (21) is perpendicular to the flow direction of the sewage.
4. Sewage dosing mixer according to any of claims 1-3, characterised in that the blades (21) are distributed in a three-dimensional spiral.
5. The sewage dosing mixer according to claim 4, characterized in that said blades (21) constitute a plurality of groups of blade rows (2); the blade rows (2) are arranged along the sewage flow direction and are arranged periodically.
6. The sewage dosing mixer of claim 5, wherein the number of blades (21) in each blade row (2) is 2-12.
7. The sewage dosing mixer of claim 5, wherein the projections of the blades (21) in each blade row (2) on the cross section of the water conveying pipeline (1) form a closed pattern.
8. The sewage dosing mixer as claimed in claim 1 wherein the water pipeline (1) comprises an upper half pipeline (14) and a lower half pipeline (15), the upper half pipeline (14) and the lower half pipeline (15) being connected to form a water delivery pipe cavity;
the cross sections of the upper half pipeline (14) and the lower half pipeline (15) are arc-shaped or elliptic arc-shaped.
9. The sewage dosing mixer as claimed in claim 8 wherein the cross section of the upper half pipeline (14) is semi-circular arc, and the cross section of the lower half pipeline (15) is semi-elliptical arc;
and/or the upper half pipeline (14) and the lower half pipeline (15) are integrally formed or welded;
and/or the treating agent inlet (13) is arranged on the upper half pipeline (14).
10. The sewage dosing mixer as claimed in claim 1, wherein the number of the treating agent feeding ports (13) is three and are located on the same straight line;
and/or the mixer further comprises a lifting piece (4) for adjusting the height of the water conveying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221375036.4U CN217676951U (en) | 2022-06-02 | 2022-06-02 | Sewage adds medicine blender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221375036.4U CN217676951U (en) | 2022-06-02 | 2022-06-02 | Sewage adds medicine blender |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217676951U true CN217676951U (en) | 2022-10-28 |
Family
ID=83705137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221375036.4U Active CN217676951U (en) | 2022-06-02 | 2022-06-02 | Sewage adds medicine blender |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217676951U (en) |
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2022
- 2022-06-02 CN CN202221375036.4U patent/CN217676951U/en active Active
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