Double-suction dosing static mixing device
Through the combination of built-in double helix tube and Venturi siphon drug delivery device, the complex and high energy consumption of sludge and agent conditioning and modification process is solved, and the powerless static mixing is achieved, which simplifies operation and reduces energy consumption.
Patent Information
- Application Number
- CN202422354091.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-26
AI Technical Summary
The existing sludge and chemical conditioning and modification process is complex and has high energy consumption. The existing equipment requires pumping and agitator for mixing, resulting in excessive energy consumption.
The built-in double helix tube, the first venturi siphon drug delivery device and the second venturi siphon drug delivery device are adopted, and the venturi effect is used to achieve uniform mixing of sludge and agents through the built-in double helix tube.
The sludge without energy-consuming power components is achieved evenly mixing with the agent, the device is small in size and easy to operate.
Smart Images
Figure CN223144502U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a double-suction chemical dosing static mixing device, belonging to the technical field of sludge treatment. Background Art
[0002] In the process of sludge dewatering treatment, it is necessary to condition and modify the sludge, and this conditioning and modification process requires the use of chemical dosing equipment, stirring equipment, storage equipment, or an integrated equipment with the above three functions integrated. Although these equipment can complete the dosing, stirring, and storage between the sludge and the chemical agent, they are high-energy-consuming equipment. The dosing of the chemical agent needs to be transported by a pump. After the slurry and the chemical agent are mixed in the storage tank, it is also necessary to rely on a stirrer for stirring and mixing.
[0003] Therefore, how to further simplify the conditioning and mixing process and complete the conditioning and modification of the sludge and the chemical agent with the lowest energy consumption has become an important indicator for environmental protection treatment. Content of the Utility Model
[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a double-suction chemical dosing static mixing device, which does not require any energy-consuming power components and has a small volume.
[0005] To achieve the above purpose, the utility model is implemented by the following technical solutions:
[0006] The utility model provides a double-suction chemical dosing static mixing device, which includes an internal double spiral tube, a first Venturi siphon chemical dosing device, and a second Venturi siphon chemical dosing device connected in sequence. One end of the second Venturi siphon chemical dosing device far from the first Venturi siphon chemical dosing device is connected to a sludge dosing pipeline. The first Venturi siphon chemical dosing device is used for dosing liquid chemical agents, and the second Venturi siphon chemical dosing device is used for dosing powder chemical agents.
[0007] Optionally, both the first Venturi siphon chemical dosing device and the second Venturi siphon chemical dosing device include a main pipe, a trumpet pipe, and a jet pipe. The main pipe of the first Venturi siphon chemical dosing device is connected to the internal double spiral tube, and the main pipe of the second Venturi siphon chemical dosing device is connected to the sludge dosing pipeline;
[0008] Both the trumpet pipe and the jet pipe are arranged inside the main pipe. The trumpet pipe includes a throat section and a trumpet mouth. The jet pipe includes a tapered pipe section and a flared section. The tapered pipe section extends into the trumpet mouth. A siphon port is opened at the position of the main pipe in the Venturi siphon negative pressure area. The siphon port is connected to a siphon external connection pipe, and a siphon port regulating valve is provided at the connection.
[0009] Optionally, the length range of the tapered pipe section extending into the trumpet mouth is 40-50 mm.
[0010] Optionally, the Venturi siphon negative pressure area is from the end of the flared mouth away from the jet pipe to the end of the jet pipe away from the flared pipe.
[0011] Optionally, the siphon port regulating valve is an electric control ball valve.
[0012] Optionally, a funnel is provided at the upper end of the siphon external connecting pipe of the second Venturi siphon dosing device, and the funnel is used to hold powdery medicament.
[0013] Optionally, the built-in double spiral pipe includes a main pipe, a left-handed spiral blade and a right-handed spiral blade, and the left-handed spiral blade and the right-handed spiral blade are arranged at intervals in the main pipe in turn.
[0014] Optionally, the interval length between adjacent left-handed spiral blade and right-handed spiral blade is less than the diameter of the main pipe.
[0015] Compared with the prior art, the beneficial effects achieved by the present utility model are as follows:
[0016] The present utility model utilizes the Venturi siphon effect to add medicament into the main pipe, and adjusts the dosing amount of the medicament through the siphon port regulating valve. Then, the slurry is transported through the built-in double spiral pipe, realizing the non-powered static mixing and also achieving the full mixing of the slurry and the medicament, having the advantages of convenience and easy operation. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic flow chart of a double-suction dosing static mixing device in an embodiment of the present utility model;
[0018] Figure 2 is a schematic structural diagram of the built-in double spiral pipe of the double-suction dosing static mixing device in an embodiment of the present utility model;
[0019] Figure 3 is a schematic structural diagram of the Venturi siphon dosing device of the double-suction dosing static mixing device in an embodiment of the present utility model;
[0020] In the figure: 1 built-in double spiral pipe, 101 main pipe, 102 left-handed spiral blade, 103 right-handed spiral blade, 2 first Venturi siphon dosing device, 3 second Venturi siphon dosing device, 4 flared pipe, 401 throat section, 402 flared mouth, 5 jet pipe, 501 tapered pipe section, 502 flared section, 6 main pipe, 7 siphon port regulating valve, 8 siphon external connecting pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] The present utility model will be further described below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present utility model, and cannot be used to limit the protection scope of the present utility model.
[0022] As Figure 1As shown in the figure, an embodiment of the utility model provides a double-suction chemical dosing static mixing device, which includes an internal double-spiral pipe 1, a first Venturi siphon chemical dosing device 2 for adding liquid chemicals, and a second Venturi siphon chemical dosing device 3 for adding powder chemicals, which are connected in sequence. One side of the second Venturi siphon chemical dosing device 3 away from the first Venturi siphon chemical dosing device 2 is connected to a sludge addition pipeline.
[0023] As Figure 2 shown in the figure, the first Venturi siphon chemical dosing device 2 and the second Venturi siphon chemical dosing device 3 have the same structure, both including a main pipe 6, a trumpet pipe 4 and a jet pipe 5. One end of the main pipe of the first Venturi siphon chemical dosing device 2 away from the second Venturi siphon chemical dosing device 3 is welded to the internal double-spiral pipe 1. The trumpet pipes 4 are all welded inside the main pipe 6. The trumpet pipe 4 includes a throat section 401 and a trumpet mouth 402. The jet pipe 5 includes a tapered pipe section 501 and a flared section 502. The tapered pipe section 501 extends into the trumpet mouth 402. In some embodiments, the length range of the tapered pipe section 501 extending into the trumpet mouth 402 is 40-50 mm.
[0024] In some embodiments, in order to facilitate the addition of powder chemicals, a funnel is provided at the upper end of the siphon external connection pipe 8 of the second Venturi siphon chemical dosing device 3.
[0025] As Figure 3 shown in the figure, a siphon port is provided on the main pipe 6 at the Venturi siphon negative pressure area. The Venturi siphon negative pressure area is from one end of the trumpet mouth away from the jet pipe 5 to one end of the jet pipe away from the trumpet pipe 4. The siphon port is connected to the siphon external connection pipe 8, and a siphon port regulating valve 7 is provided at the connection. In this embodiment, the siphon port regulating valve 7 is an electric control ball valve, but it is not limited thereto. Any other stop valve that can realize the adjustment of the chemical dosing amount should be acceptable.
[0026] The internal double-spiral pipe 1 is composed of a main pipe 101, a left-handed blade 102 and a right-handed blade 103. Among them, the left-handed blade 102 and the right-handed blade 103 are arranged at intervals in sequence, and the interval length between them does not exceed the diameter of the main pipe 101. In this embodiment, the diameter of the main pipe is 20 mm.
[0027] The slurry in the internal double-spiral pipe 1 is continuously flipped and continuously impacted according to the spiral direction of the spiral blades while being spirally conveyed, so as to realize the uniform mixing of the chemicals and the slurry.
[0028] The working principle of the utility model includes:
[0029] Sludge is introduced, and liquid medicament is added through the first Venturi siphon dosing device 2 and powder medicament is added through the second Venturi siphon dosing device 3 during the progress of the sludge. The sludge and the medicament are mixed and jointly enter the built-in double spiral tube 1, and during the forward transportation process, the sludge and the medicament are continuously turned over to be uniformly mixed and finally output.
[0030] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and deformations can be made, and these improvements and deformations should also be regarded as the protection scope of the present invention.
Claims
1. A double-suction chemical addition static mixing device, characterized in that, It includes a built-in double helix tube, a first Venturi siphon dosing device and a second Venturi siphon dosing device connected in sequence. One end of the second Venturi siphon dosing device, which is far away from the first Venturi siphon dosing device, is connected to a sludge dosing pipeline. The first Venturi siphon dosing device is used for dosing liquid medicine, and the second Venturi siphon dosing device is used for dosing powder medicine.
2. The double-suction chemical feeding static mixing device according to claim 1, wherein Both the first Venturi siphon dosing device and the second Venturi siphon dosing device include a main pipe, a trumpet pipe and a jet pipe. The main pipe of the first Venturi siphon dosing device is connected to the built-in double helix tube, and the main pipe of the second Venturi siphon dosing device is connected to the sludge dosing pipeline. Both the trumpet pipe and the jet pipe are arranged inside the main pipe. The trumpet pipe includes a throat section and a trumpet mouth. The jet pipe includes a tapered pipe section and a flared section. The tapered pipe section extends into the trumpet mouth. A siphon port is opened at the position where the main pipe is located in the Venturi siphon negative pressure area. The siphon port is connected to a siphon external connecting pipe, and a siphon port regulating valve is arranged at the connection.
3. The dual-suction chemical addition static mixing device according to claim 2, wherein, The length range of the tapered pipe section extending into the trumpet mouth is 40 - 50 mm.
4. The dual-suction chemical dosing static mixing device according to claim 2, wherein, The Venturi siphon negative pressure area is from the end of the trumpet mouth far away from the jet pipe to the end of the jet pipe far away from the trumpet pipe.
5. The dual-suction chemical dosing static mixing device according to claim 2, wherein, The siphon port regulating valve is an electric control ball valve.
6. The double-suction chemical addition static mixing device according to claim 2, characterized in that, A funnel is arranged at the upper end of the siphon external connecting pipe of the second Venturi siphon dosing device, and the funnel is used for loading powder medicine.
7. The dual-suction chemical addition static mixing device according to claim 1, wherein, The built-in double helix tube includes a main pipeline, a left-handed blade and a right-handed blade, and the left-handed blade and the right-handed blade are arranged in the main pipeline at intervals in sequence.
8. The dual-suction chemical feeding static mixing device according to claim 7, characterized in that, The interval length between adjacent left-handed blades and right-handed blades is less than the diameter of the main pipeline.