A yellow phosphorus recovery cooling device
By introducing an adjustable tapping component with adjustable tapping frequency and force, as well as a retractable connecting pipe, into the yellow phosphorus recovery cooling device, the problems of reduced heat exchange efficiency and blockage of discharge channels caused by phosphorus mud adhesion were solved, achieving stable and efficient yellow phosphorus recovery.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- PANZHIHUA TIANYI CHEMICAL CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-07-07
AI Technical Summary
Existing yellow phosphorus recovery and cooling devices are prone to phosphorus mud adhesion after long-term operation, which leads to reduced heat exchange efficiency and blockage of discharge channels, affecting the recovery rate.
A yellow phosphorus recovery and cooling device was designed, equipped with an adjustable tapping component with adjustable tapping frequency and force and a retractable connecting pipe to adapt to changes in steam flow rate and adhesion characteristics, reduce residue on the inner wall and avoid equipment damage, while enhancing device compatibility.
It effectively reduces residue on the inner wall, improves heat exchange efficiency and equipment lifespan, and ensures stable operation under different working conditions.
Smart Images

Figure CN224470843U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of yellow phosphorus recovery and cooling technology, and specifically relates to a yellow phosphorus recovery and cooling device. Background Technology
[0002] Yellow phosphorus tail gas boilers are boiler products specifically designed and manufactured for yellow phosphorus production enterprises. The fuel is the tail gas produced during yellow phosphorus production. The boiler's design avoids the strong corrosiveness of yellow phosphorus tail gas and prevents the blockage of boiler fire tubes by numerous impurities during combustion. It can effectively recover the heat energy generated from tail gas combustion for steam production or power generation. However, the yellow phosphorus tail gas produced is from the boiler itself and is caused by incomplete combustion.
[0003] Most existing yellow phosphorus recovery and cooling devices employ a fixed evaporator structure, achieving cooling through direct heat exchange. However, after long-term operation, phosphorus sludge or residues formed from the cooling of liquid yellow phosphorus tend to adhere to the inner wall of the equipment. This is especially true when steam flow fluctuates or the phosphorus sludge viscosity is high, as the residues gradually accumulate, reducing heat exchange efficiency and potentially clogging the discharge channel, leading to a decrease in recovery rate. Therefore, a new yellow phosphorus recovery and cooling device is needed to address this problem. Utility Model Content
[0004] (1) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a yellow phosphorus recovery and cooling device. This automatic packing device can adapt to recovery scenarios with changes in yellow phosphorus vapor flow or different adhesion characteristics, effectively reducing residue on the inner wall while avoiding damage to the equipment due to excessive impact force, thus balancing the cleaning effect and the equipment life.
[0006] (2) Technical solution
[0007] To solve the above-mentioned technical problems, this utility model provides a yellow phosphorus recovery and cooling device, which includes a mounting frame, a cooling cylinder for cooling is mounted on the mounting frame, a cooling chamber is opened inside the cooling cylinder, an evaporator pipeline is installed in the cooling chamber of the cooling cylinder, a refrigeration component communicating with the evaporator pipeline is installed at the top of the mounting frame, an air inlet pipe is installed at the top of the cooling cylinder, and an exhaust pipe is installed at the bottom of one side of the cooling cylinder.
[0008] A collection cylinder is provided on the mounting bracket below the cooling cylinder. A discharge pipe is installed at the bottom of the mounting bracket. A retractable connecting pipe is installed at the top of the collection cylinder. The discharge pipe and the retractable connecting pipe are fitted together. A striking component for assisting the cooling cylinder to be struck is symmetrically installed on the bottom side of the cooling cylinder.
[0009] Furthermore, the striking assembly includes a mounting plate mounted on a cooling cylinder, a fixed cylinder mounted on the side of the mounting plate away from the cooling cylinder, cavities formed inside the mounting plate and the fixed cylinder, a rotating shaft rotatably mounted inside the cavity, a striking sleeve for assisting striking is fitted on the rotating shaft, and a servo motor for driving the rotating shaft to rotate is mounted on the fixed cylinder.
[0010] Furthermore, the striking end of the striking sleeve is cylindrical, an elliptical rotating groove is provided on the rotating shaft, and a protrusion is provided inside the striking sleeve, which slides in cooperation with the rotating groove.
[0011] Furthermore, a limiting strip is provided on the outer side of the striking sleeve, and a limiting strip is provided on the inner side of the fixing cylinder, and the limiting strip and the fixing cylinder slide together.
[0012] Furthermore, the evaporator pipe is in the shape of a double helix, with both ends of the evaporator pipe extending out of the cooling cylinder.
[0013] Furthermore, the refrigeration assembly sequentially includes a compressor, a throttling device, a condenser, and a conduit, with the conduit installed at both ends of the evaporator pipeline.
[0014] Furthermore, each of the four corners of the bottom of the mounting bracket is equipped with a caster wheel, and each caster wheel is equipped with a brake pad.
[0015] (3) Beneficial effects
[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0017] This utility model features a set of tapping components. The tapping frequency and force of the tapping components can be adjusted by the speed of the servo motor to adapt to recycling scenarios with changes in yellow phosphorus vapor flow or different adhesion characteristics. This effectively reduces residue on the inner wall while avoiding damage to the equipment due to excessive tapping force, thus balancing the cleaning effect and the equipment life.
[0018] This invention uses a retractable connecting pipe whose length can be adjusted according to collection containers of different specifications, ensuring precise connection between the discharge pipe and the collection cylinder, avoiding problems such as poor discharge or leakage caused by differences in container height, and enhancing the compatibility of the device with various working conditions. Attached Figure Description
[0019] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a longitudinal sectional view of the cooling cylinder of this utility model;
[0022] Figure 3 This is a schematic diagram of the evaporator piping structure of this utility model;
[0023] Figure 4 This is a structural diagram of the striking component of this utility model.
[0024] The labels in the attached diagram are as follows: 1. Mounting bracket; 2. Casters; 3. Compressor; 4. Throttling device; 5. Condenser; 6. Cooling cylinder; 7. Pipe; 8. Evaporator piping; 9. Knocking assembly; 10. Mounting plate; 11. Fixing cylinder; 12. Servo motor; 13. Rotating shaft; 131. Rotating groove; 14. Knocking sleeve; 141. Limiting strip; 15. Discharge pipe; 16. Telescopic connecting pipe; 17. Collection cylinder. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] This specific embodiment is a yellow phosphorus recovery and cooling device, such as... Figure 1 , Figure 2 and Figure 3As shown, the yellow phosphorus recovery cooling device includes a mounting frame 1. Four casters 2 are mounted at the bottom corners of the mounting frame 1, each with a brake pad. These casters allow for easy movement of the device during operation. A cooling cylinder 6 is mounted on the mounting frame 1. The cooling cylinder 6 has a cooling chamber inside, and an evaporator pipe 8 is installed within the cooling chamber. The evaporator pipe 8 is a double-helix tube, with both ends extending out of the cooling cylinder 6. A refrigeration component connected to the evaporator pipe 8 is mounted at the top of the mounting frame 1. An air inlet pipe is installed at the top of the cooling cylinder 6. An exhaust pipe is installed at the bottom of one side of the cooling cylinder 6. The refrigeration components include a compressor 3, a throttling device 4, a condenser 5, and a conduit 7. The conduit 7 is installed at both ends of the evaporator pipe 8. During operation, the parameters of the refrigeration components, such as the power of the compressor 3 and the opening of the throttling device 4, can be adjusted according to the initial temperature of the yellow phosphorus vapor or the cooling requirements to ensure that the evaporator pipe 8 is always in the best heat exchange state and maintains stable cooling efficiency. During operation, the operation of the motor and components can be controlled by a controller. The controller model is Siemens S7-1200, and other models can be used but are not limited to this model.
[0027] A collection cylinder 17 is provided below the cooling cylinder 6 on the mounting frame 1. A discharge pipe 15 is installed at the bottom of the mounting frame 1, and a retractable connecting pipe 16 is installed at the top of the collection cylinder 17. The discharge pipe 15 and the retractable connecting pipe 16 are installed together.
[0028] The retractable connecting pipe 16 can be adjusted in length according to the collection container of different specifications, ensuring that the interface between the discharge pipe 15 and the collection cylinder 17 is accurately connected, avoiding problems such as poor discharge or leakage caused by differences in container height, and enhancing the compatibility of the device with various working conditions.
[0029] like Figure 1 and Figure 4 As shown, a striking assembly 9 for assisting the cooling cylinder 6 in striking is symmetrically installed on the bottom side of the cooling cylinder 6. The striking assembly 9 includes a mounting plate 10 installed on the cooling cylinder 6. A fixed cylinder 11 is installed on the side of the mounting plate 10 away from the cooling cylinder 6. A cavity is opened inside the mounting plate 10 and the fixed cylinder 11. A rotating shaft 13 is rotatably arranged in the cavity. A striking sleeve 14 for assisting the striking is sleeved on the rotating shaft 13. The striking end of the striking sleeve 14 is cylindrical. An elliptical rotating groove 131 is opened on the rotating shaft 13. A protrusion is provided inside the striking sleeve 14. The protrusion slides with the rotating groove 131. A servo motor 12 for driving the rotating shaft 13 to rotate is installed on the fixed cylinder 11.
[0030] The tapping frequency and force of the tapping component 9 can be adjusted by the rotation speed of the servo motor 12 to adapt to recycling scenarios with changes in yellow phosphorus vapor flow or different adhesion characteristics. This effectively reduces residue on the inner wall while avoiding damage to the equipment due to excessive tapping force, thus balancing the cleaning effect and the equipment life.
[0031] A limiting strip 141 is provided on the outer side of the aforementioned striking sleeve 14, and a limiting groove is provided on the inner side of the fixed cylinder 11. The limiting strip 141 and the limiting groove slide together. Through the cooperation between the limiting strip 141 and the limiting groove, it is possible to ensure that the striking sleeve 14 can only move laterally to perform striking during operation, and to minimize the rotation of the striking sleeve 14 with the rotation of the rotating shaft 13.
[0032] Working principle:
[0033] During operation, the pipes are connected to the inlet pipe and the exhaust pipe respectively. The compressor 3 in the refrigeration unit compresses the low-temperature, low-pressure refrigerant gas into a high-temperature, high-pressure gas, which is then discharged into the condenser 5. The high-temperature, high-pressure gas exchanges heat with the external medium in the condenser 5 and liquefies to form a high-pressure liquid. After the high-pressure liquid is depressurized by the throttling device 4, it becomes a low-temperature, low-pressure liquid refrigerant and flows into the evaporator pipe 8. The exhaust gas enters the cooling cylinder 6, where the low-temperature, low-pressure liquid refrigerant absorbs heat and vaporizes in the evaporator pipe 8, absorbing heat from the yellow phosphorus vapor in the cooling cylinder 6. The yellow phosphorus vapor liquefies due to the heat being carried away and flows along the inner wall of the cooling cylinder 6 to the bottom, finally entering the collection cylinder 17 through the exhaust pipe or the retractable connecting pipe 16.
[0034] During operation, the servo motor 12 in the striking assembly 9 drives the rotating shaft 13 to rotate, and the striking sleeve 14 moves along the elliptical rotating groove 131 of the rotating shaft 13, forming a periodic striking action. The striking force is transmitted from the outer wall of the cooling cylinder 6 to the inner wall, causing the adhering liquid yellow phosphorus or phosphorus mud to fall off and reducing residue.
[0035] The retractable connecting pipe 16 at the top of the collecting cylinder 17 adjusts its length according to the height of the receiving container and cooperates with the discharge pipe 15 at the bottom of the mounting frame 1 to achieve stable discharge of liquid yellow phosphorus and avoid leakage or splashing due to height difference.
[0036] All technical features in this embodiment can be freely combined according to actual needs.
[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A yellow phosphorus recovery and cooling device, comprising a mounting frame (1), characterized in that: A cooling cylinder (6) for cooling is installed on the mounting bracket (1). A cooling chamber is opened inside the cooling cylinder (6). An evaporator pipe (8) is installed in the cooling chamber of the cooling cylinder (6). A refrigeration component connected to the evaporator pipe (8) is installed at the top of the mounting bracket (1). An air inlet pipe is installed at the top of the cooling cylinder (6). An exhaust pipe is installed at the bottom of one side of the cooling cylinder (6). A collection tube (17) is provided on the mounting bracket (1) below the cooling cylinder (6). A discharge pipe (15) is installed at the bottom of the mounting bracket (1). A retractable connecting pipe (16) is installed at the top of the collection tube (17). The discharge pipe (15) and the retractable connecting pipe (16) are fitted together. A striking component (9) for assisting the cooling cylinder (6) to be struck is symmetrically installed on the bottom side of the cooling cylinder (6).
2. The yellow phosphorus recovery and cooling device according to claim 1, characterized in that, The striking assembly (9) includes a mounting plate (10) mounted on a cooling cylinder (6). A fixed cylinder (11) is mounted on the side of the mounting plate (10) away from the cooling cylinder (6). A cavity is opened inside the mounting plate (10) and the fixed cylinder (11). A rotating shaft (13) is rotatably arranged in the cavity. A striking sleeve (14) for auxiliary striking is sleeved on the rotating shaft (13). A servo motor (12) for driving the rotating shaft (13) to rotate is installed on the fixed cylinder (11).
3. The yellow phosphorus recovery and cooling device according to claim 2, characterized in that, The striking end of the striking sleeve (14) is cylindrical, and an elliptical rotating groove (131) is provided on the rotating shaft (13). A protrusion is provided inside the striking sleeve (14), and the protrusion slides in cooperation with the rotating groove (131).
4. The yellow phosphorus recovery and cooling device according to claim 3, characterized in that, A limiting strip (141) is provided on the outer side of the striking sleeve (14), and a (111) is provided on the inner side of the fixing cylinder (11). The limiting strip (141) and the (111) slide together.
5. The yellow phosphorus recovery and cooling device according to claim 1, characterized in that, The evaporator pipe (8) is in the shape of a double helix tube, and both ends of the evaporator pipe (8) extend out of the cooling cylinder (6).
6. The yellow phosphorus recovery and cooling device according to claim 1, characterized in that, The refrigeration components include, in sequence, a compressor (3), a throttling device (4), a condenser (5), and a conduit (7), with the conduit (7) installed at both ends of the evaporator pipe (8).
7. The yellow phosphorus recovery and cooling device according to claim 1, characterized in that, The mounting bracket (1) is equipped with casters (2) at the four corners of its bottom, and brake pads are installed on the casters (2).