Pre-polycondensation spray condenser for polyester fiber production

The rotary spray system driven by a servo motor solves the problem of limited spray area caused by fixed spray head position, thereby improving the quality and efficiency of gas treatment.

CN223985606UActive Publication Date: 2026-03-10河北金怡化纤有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

In existing technologies, the spray head position is fixed, and the spray area is limited, resulting in low quality and efficiency of gas cooling.

Method used

The rotary spray system, driven by a servo motor, rotates the water pipes and spray heads via a worm gear transmission, increasing the spray area, and improves the stability of the water pipes through a retainer and support columns.

Benefits of technology

It improved the quality and efficiency of gas treatment, increased the spray area, and enhanced the cooling effect.

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Abstract

The polyester fiber production pre-polycondensation spraying condenser comprises a first water pipe, a second water pipe is fixedly installed in the middle of the outer surface of the upper end of the first water pipe, spraying heads are fixedly installed on the outer surface of the lower end of the first water pipe at equal intervals, and a transmission box is installed on the outer wall of the upper portion of the second water pipe; and a worm gear, a holder, a supporting column, a rotating shaft and a worm are arranged in the transmission box, a servo motor is fixedly installed at one end of the outer surface of one side of the transmission box, the second water pipe penetrates through the transmission box, and a water supply pipe is arranged on the upper portion of the second water pipe. According to the pre-polycondensation spraying condenser for polyester fiber production, the first water pipe and the spraying head can be driven to rotate through operation of the servo motor, the heat dissipation area is increased, the treatment quality is improved, and the stability of the second water pipe is conveniently improved through the holder and the supporting column.
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Description

Technical Field

[0001] This utility model relates to the field of polyester fiber production technology, specifically to a prepolymerization spray condenser for polyester fiber production. Background Technology

[0002] The main process flow of the ester fiber production unit is divided into three major reactions: esterification, prepolymerization, and final polymerization. The prepolymerization system is divided into a prepolymerization kettle, a circulating ethylene glycol system, and a vacuum system. The circulating ethylene glycol system mainly uses a spray condenser to spray and cool the gas from the prepolymerization kettle with liquid ethylene glycol.

[0003] In the prior art, the spray structure is installed on the upper part of the tower body, and the coolant is sprayed out through the spray head to cool the gas.

[0004] However, the fixed position of the spray head limits the spray area, which reduces the quality and efficiency of cooling the gas.

[0005] Therefore, we propose a prepolymerization spray condenser for polyester fiber production. Utility Model Content

[0006] (a) Technical problems to be solved

[0007] To address the shortcomings of existing technologies, this utility model provides a prepolymerization spray condenser for polyester fiber production, which offers advantages such as facilitating increased spray area and improving the quality and efficiency of gas treatment, effectively solving the problems in the background technology.

[0008] (II) Technical Solution

[0009] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a pre-condensation spray condenser for polyester fiber production, comprising a first water pipe, a second water pipe fixedly installed at the middle of the upper outer surface of the first water pipe, spray heads fixedly installed at equal intervals on the lower outer surface of the first water pipe, a transmission box installed on the upper outer wall of the second water pipe, the transmission box being provided with a worm gear, a retainer, a support column, a rotating shaft and a worm, and a servo motor fixedly installed at one end of the outer surface of one side of the transmission box, the second water pipe passing through the transmission box, a water supply pipe provided at the upper part of the second water pipe, and a universal rotary joint connecting the upper outer surface of the second water pipe and the outer surface of one end of the water supply pipe.

[0010] Preferably, the worm gear and the cage are both installed on the outer wall of the second water pipe, the cage is located at the lower part of the worm gear, and the support column is fixedly installed on the lower outer surface of the cage and fixedly connected to the bottom of the inner cavity of the transmission box.

[0011] Preferably, the worm gear and the second water pipe are fixedly connected.

[0012] Preferably, a bearing is provided between the retainer and the second water pipe, and the second water pipe is rotatably connected to the retainer through the bearing.

[0013] Preferably, the worm is located on one side of the outer surface of the worm wheel, and the worm is fixedly installed on the rotating shaft, with one side of the outer surface of the worm meshing with one side of the outer surface of the worm wheel.

[0014] Preferably, a coupling is provided between the rotating shaft and the servo motor, and the outer surface of one end of the rotating shaft is fixedly connected to the outer surface of one end of the output shaft of the servo motor through the coupling. A bearing is provided between the rotating shaft and the transmission box, and the rotating shaft is rotatably connected to the transmission box through the bearing.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, this utility model provides a prepolymerization spray condenser for polyester fiber production, which has the following beneficial effects:

[0017] 1. This prepolymerization spray condenser for polyester fiber production can drive the first water pipe and spray head to rotate through the operation of a servo motor, thereby increasing the heat dissipation area and improving the quality of processing.

[0018] 2. This pre-condensation spray condenser for producing polyester fiber uses a retainer and support column to improve the stability of the second water pipe. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of a prepolymerization spray condenser for polyester fiber production according to this utility model.

[0020] Figure 2 This is a partial structural schematic diagram of a prepolymerization spray condenser for polyester fiber production according to this utility model.

[0021] Figure 3 This is a schematic diagram of the transmission box and servo motor in a prepolymerization spray condenser for polyester fiber production according to this utility model.

[0022] Figure 4 This is a schematic diagram of the servo motor, rotating shaft, and worm gear in a prepolymerization spray condenser for polyester fiber production according to this utility model.

[0023] In the diagram: 1. First water pipe; 2. Second water pipe; 3. Sprinkler head; 4. Transmission box; 5. Servo motor; 6. Water supply pipe; 7. Universal rotary joint; 8. Worm gear; 9. Cage; 10. Support column; 11. Rotating shaft; 12. Worm. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] This embodiment is a prepolymerization spray condenser for polyester fiber production.

[0026] like Figure 1-4 As shown, the system includes a first water pipe 1, a second water pipe 2 fixedly installed on the middle of the upper outer surface of the first water pipe 1, and spray heads 3 fixedly installed at equal intervals on the lower outer surface of the first water pipe 1. A transmission box 4 is installed on the upper outer wall of the second water pipe 2. The transmission box 4 is equipped with a worm gear 8, a retainer 9, a support column 10, a rotating shaft 11, and a worm 12. A servo motor 5 is fixedly installed on one end of the outer surface of one side of the transmission box 4. The second water pipe 2 passes through the transmission box 4. A water supply pipe 6 is provided on the upper part of the second water pipe 2. A universal rotary joint 7 is connected between the upper outer surface of the second water pipe 2 and the outer surface of one end of the water supply pipe 6.

[0027] Both the worm gear 8 and the cage 9 are mounted on the outer wall of the second water pipe 2. The cage 9 is located at the lower part of the worm gear 8. The support column 10 is fixedly mounted on the lower outer surface of the cage 9 and fixedly connected to the bottom of the inner cavity of the transmission box 4. The worm gear 8 and the second water pipe 2 are fixedly connected. A bearing is provided between the cage 9 and the second water pipe 2, and the second water pipe 2 is rotatably connected to the cage 9 through the bearing. The worm 12 is located on one side of the outer surface of the worm gear 8, and the worm 12 is fixedly mounted on the rotating shaft 11. One side of the outer surface of the worm 12 meshes with one side of the outer surface of the worm gear 8. A coupling is provided between the rotating shaft 11 and the servo motor 5. One end of the outer surface of the rotating shaft 11 is fixedly connected to one end of the outer surface of the output shaft in the servo motor 5 through the coupling. A bearing is provided between the rotating shaft 11 and the transmission box 4, and the rotating shaft 11 is rotatably connected to the transmission box 4 through the bearing.

[0028] It should be noted that this utility model is a prepolymerization spray condenser for polyester fiber production. The transmission box 4 is fixed on the upper outer surface of the cooling tower. One end of the water supply pipe 6 is connected to a cooling water supply pump. The spray head 3 is located at the top of the cooling tower chamber. During cooling, the liquid is sprayed out through the spray head 3. The rotation of the servo motor 5 drives the rotating shaft 11 to rotate. The rotating shaft 11 drives the worm gear 12 to rotate. The worm gear 12 meshes with the worm wheel 8. The worm gear 12 drives the second water pipe 2 to rotate through the worm wheel 8. The second water pipe 2 drives the first water pipe 1 and the spray head 3 to rotate, increasing the spray area of ​​the spray head 3 and improving the quality and efficiency of cooling. The retainer 9 and the support column 10 increase the fulcrum of the second water pipe 2 and improve the stability of the rotation of the second water pipe 2.

[0029] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A polyester fiber production precondensation spray condenser comprising a first water pipe (1), characterized in that: The middle part of the outer surface of the upper end of the first water pipe (1) is fixedly installed with a second water pipe (2), the outer surface of the lower end of the first water pipe (1) is fixedly installed with a spray head (3) at equal intervals, the outer wall of the upper part of the second water pipe (2) is installed with a transmission box (4), the inside of the transmission box (4) is provided with a worm gear (8), a retainer (9), a supporting column (10), a rotating shaft (11) and a worm (12), one end of the outer surface of one side of the transmission box (4) is fixedly installed with a servo motor (5), the second water pipe (2) penetrates the transmission box (4), the upper part of the second water pipe (2) is provided with a water supply pipe (6), and the outer surface of the upper end of the second water pipe (2) and the outer surface of one end of the water supply pipe (6) are connected with a universal rotating joint (7).

2. A polyester fiber production precondensation spray condenser according to claim 1, characterized in that: The worm gear (8) and the retainer (9) are installed on the outer wall of the second water pipe (2), the retainer (9) is located below the worm gear (8), and the supporting column (10) is fixedly installed on the outer surface of the lower end of the retainer (9) and fixedly connected with the bottom of the inner cavity of the transmission box (4).

3. A polyester fiber production precondensation spray condenser according to claim 2, characterized in that: The worm gear (8) and the second water pipe (2) are fixedly connected.

4. A polyester fiber production precondensation spray condenser according to claim 3, characterized in that: A bearing is arranged between the retainer (9) and the second water pipe (2), and the second water pipe (2) is rotatably connected with the retainer (9) through the bearing.

5. A polyester fiber production precondensation spray condenser according to claim 4, characterized in that: The worm (12) is located on one side of the outer surface of the worm gear (8), and the worm (12) is fixedly installed on the rotating shaft (11), one side of the outer surface of the worm (12) and one side of the outer surface of the worm gear (8) are engaged with each other.

6. A polyester fiber production precondensation spray condenser according to claim 5, characterized in that: A shaft coupling is arranged between the rotating shaft (11) and the servo motor (5), one end of the outer surface of the rotating shaft (11) is fixedly connected with one end of the output shaft of the servo motor (5) through the shaft coupling, a bearing is arranged between the rotating shaft (11) and the transmission box (4), and the rotating shaft (11) is rotatably connected with the transmission box (4) through the bearing.