Multi-stage condensing tower for producing polyester polyol

Abstract

The utility model discloses a multi-stage condensing tower for producing polyester polyol, which comprises a bottom plate, a tower shell fixedly connected to the upper surface of the bottom plate, a first-stage inlet pipe fixedly connected to the right surface of the tower shell, a first-stage outlet pipe fixedly connected to the right surface of the tower shell, a second-stage inlet pipe fixedly connected to the right surface of the tower shell, and a third-stage inlet pipe fixedly connected to the right surface of the tower shell. The right surface of the tower shell is fixedly connected with a first-stage inlet pipe, the right surface of the tower shell is fixedly connected with a second-stage outlet pipe, the right surface of the tower shell is fixedly connected with a third-stage inlet pipe, the right surface of the tower shell is fixedly connected with a third-stage outlet pipe, the first-stage inlet pipe, the first-stage outlet pipe, the second-stage inlet pipe, the second-stage outlet pipe, the third-stage inlet pipe and the third-stage outlet pipe penetrate through the right surface of the tower shell, and the left end of the tower shell is fixedly connected with a plurality of condensers; the first-stage outlet pipe is communicated with the second-stage inlet pipe through a connecting pipe I, and the second-stage outlet pipe is communicated with the third-stage inlet pipe through a connecting pipe II, so that the stability and the high efficiency provided by the production of the polyester polyol can be ensured.

Description

Technical Field

[0001] This utility model relates to the field of condensation tower technology, and in particular to a multi-stage condensation tower for polyester polyol production. Background Technology

[0002] A condenser tower is a device that uses water as a circulating coolant to absorb heat from the system and release it into the atmosphere to lower the water temperature. It utilizes the heat exchange between water and air to generate steam, which then evaporates and carries away the heat, achieving the principles of evaporative heat dissipation, convective heat transfer, and radiative heat transfer. This dissipates waste heat generated in industrial processes or refrigeration and air conditioning systems, thereby lowering the water temperature and ensuring the normal operation of the system. In the production process of polyester polyols, condenser towers are required for cooling and temperature reduction because a large amount of heat is generated during the production of polyester polyols. Failure to cool and reduce the temperature in time will affect the quality of the product and production efficiency. Utility Model Content

[0003] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a multi-stage condensation tower for polyester polyol production. By setting up a primary inlet pipe, a primary outlet pipe, a secondary inlet pipe, a secondary outlet pipe, a tertiary inlet pipe, a tertiary outlet pipe, a connecting pipe one, and a connecting pipe two, it can achieve step-by-step cooling and condensation, and ensure the continuity of flow, ensuring that the gas or material is fully condensed. At the same time, by utilizing spray cooling, hot gas discharge, and water removal mechanisms, the condensation process is further optimized, moisture interference is reduced, and it is beneficial to ensure the stability and efficiency of polyester polyol production.

[0004] This utility model also provides a multi-stage condenser for polyester polyol production, comprising: a base plate, a tower shell fixedly connected to the upper surface of the base plate, a primary inlet pipe fixedly connected to the right surface of the tower shell, a primary outlet pipe fixedly connected to the right surface of the tower shell, a secondary inlet pipe fixedly connected to the right surface of the tower shell, a secondary outlet pipe fixedly connected to the right surface of the tower shell, a tertiary inlet pipe fixedly connected to the right surface of the tower shell, and a tertiary outlet pipe fixedly connected to the right surface of the tower shell. The primary, secondary, and tertiary inlet and outlet pipes penetrate the right surface of the tower shell, and multiple condensers are fixedly connected to their left ends. The primary outlet pipe is connected to the secondary inlet pipe via connecting pipe one, and the secondary outlet pipe is connected to the tertiary inlet pipe via connecting pipe two. A spray pump is fixedly connected to the left surface of the tower shell via a conveying pipe, and a spray pipe is fixedly connected to the output end of the spray pump via a conveying pipe. A dehydrator is fixedly connected to the inner side wall of the tower shell. A hot gas outlet is provided on the upper surface of the tower shell, and a support plate is fixedly connected to the side surface of the hot gas outlet. A motor is fixedly connected to the upper surface of the support plate, and a rotating shaft is fixedly connected to the output end of the motor. A fan blade is fixedly connected to the lower end of the rotating shaft. The above devices help ensure the stability and efficiency of polyester polyol production.

[0005] According to the present invention, a multi-stage condensing tower for the production of polyester polyols is provided with ventilation openings on the left and right surfaces of the tower shell, and a grid is fixedly connected to the inner side wall of the ventilation opening. The above device helps to ensure air circulation inside the tower shell.

[0006] According to the present invention, a multi-stage condensing tower for polyester polyol production has a support base fixedly connected to the upper surface of the bottom plate, and a spray pump fixedly connected to the upper surface of the support base. The above device helps to support the spray pump and ensure its stability.

[0007] According to the present invention, a multi-stage condenser for polyester polyol production is provided with solenoid valves on the side surfaces of the first-stage inlet pipe, the first-stage outlet pipe, the second-stage inlet pipe, the second-stage outlet pipe, the third-stage inlet pipe, the third-stage outlet pipe, the connecting pipe one, and the connecting pipe two. The above devices are beneficial for controlling the flow of gas or materials.

[0008] According to the present invention, a multi-stage condensing tower for the production of polyester polyols has partitions fixedly connected to the left and right inner walls of the tower shell. The partitions are located between the condensers. This device helps to avoid mutual interference between the condensers at each stage.

[0009] According to the present invention, a multi-stage condensing tower for polyester polyol production is provided, wherein the condenser and the spray pipe are located inside the tower shell, and the spray pipe is located directly above the condenser. The above device is beneficial to increasing the condensation effect.

[0010] According to the present invention, a multi-stage condensing tower for polyester polyol production has a rotating shaft that penetrates the upper surface of a support plate, and the fan blades are located directly below the support plate. This device helps to ensure the rotation of the fan blades.

[0011] According to the present invention, a multi-stage condenser tower for polyester polyol production has a fan blade located directly below the hot gas outlet, and a water separator located directly below the fan blade. This device facilitates the efficient discharge of hot gas from inside the tower shell. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0013] Figure 1 This is a left-side structural view of the multi-stage condenser tower for polyester polyol production according to this utility model;

[0014] Figure 2 This is a right-side structural view of the multi-stage condenser tower for polyester polyol production according to this utility model;

[0015] Figure 3 This is a diagram showing the internal structure of the multi-stage condenser tower for polyester polyol production according to this utility model;

[0016] Figure 4 This is a cross-sectional structural diagram of the multi-stage condenser tower for polyester polyol production according to this utility model.

[0017] Legend:

[0018] 1. Base plate; 2. Tower shell; 3. Support base; 4. Spray pump; 5. Delivery pipe; 6. Hot gas outlet; 7. Secondary outlet pipe; 8. Motor; 9. Support plate; 10. Fan blade; 11. Ventilation outlet; 12. Grille; 13. Primary inlet pipe; 14. Primary outlet pipe; 15. Secondary inlet pipe; 16. Tertiary inlet pipe; 17. Tertiary outlet pipe; 18. Connecting pipe one; 19. Connecting pipe two; 20. Solenoid valve; 21. Baffle plate; 22. Condenser; 23. Spray pipe; 24. Water separator; 25. Rotating shaft. Detailed Implementation

[0019] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0020] Reference Figure 2 and Figure 3This utility model discloses a multi-stage condenser for polyester polyol production, comprising: a base plate 1; a tower shell 2 fixedly connected to the upper surface of the base plate 1; a primary inlet pipe 13 fixedly connected to the right surface of the tower shell 2; a primary outlet pipe 14 fixedly connected to the right surface of the tower shell 2; a secondary inlet pipe 15 fixedly connected to the right surface of the tower shell 2; a secondary outlet pipe 7 fixedly connected to the right surface of the tower shell 2; a tertiary inlet pipe 16 fixedly connected to the right surface of the tower shell 2; and a tertiary outlet pipe 17 fixedly connected to the right surface of the tower shell 2. The primary inlet pipe 13, primary outlet pipe 14, secondary inlet pipe 15, and secondary outlet pipe 7 are also described. The tertiary inlet pipe 16 and the tertiary outlet pipe 17 penetrate the right surface of the tower shell 2, and multiple condensers 22 are fixedly connected to the left end. The left and right inner walls of the tower shell 2 are fixedly connected to the partitions 21, which are located between the condensers 22. The primary outlet pipe 14 is connected to the secondary inlet pipe 15 through the connecting pipe 18, and the secondary outlet pipe 7 is connected to the tertiary inlet pipe 16 through the connecting pipe 29. Solenoid valves 20 are provided on the side surfaces of the primary inlet pipe 13, the primary outlet pipe 14, the secondary inlet pipe 15, the secondary outlet pipe 7, the tertiary inlet pipe 16, the tertiary outlet pipe 17, the connecting pipe 18, and the connecting pipe 29.

[0021] Specifically, the base plate 1 serves as the basic support structure for the entire condensing tower, while the tower shell 2 constitutes the main body of the condensing tower, housing the condenser 22 and other components. The primary inlet pipe 13, secondary inlet pipe 15, and tertiary inlet pipe 16 introduce the gas or material to be condensed into each stage of the condenser 22, respectively. The primary outlet pipe 14, secondary outlet pipe 7, and tertiary outlet pipe 17 discharge the gas or material processed by each stage of the condenser 22, respectively. Connecting pipe 18 and connecting pipe 29 connect the inlet and outlet ports of each stage of the condenser 22 to achieve continuous material flow. Solenoid valves 20 are installed on each stage of the pipeline to control the material flow. Baffles 21 are located between the condensers 22 to separate the condensation areas of different levels and prevent mutual interference. The condenser 22 is the core component of the multi-stage condensing tower, cooling and condensing the gas or material.

[0022] Reference Figure 1 , Figure 3 and Figure 4A spray pump 4 is fixedly connected to the left surface of the tower shell 2 via a conveying pipe 5. A support base 3 is fixedly connected to the upper surface of the bottom plate 1. The spray pump 4 is fixedly connected to the upper surface of the support base 3. A spray pipe 23 is fixedly connected to the output end of the spray pump 4 via the conveying pipe 5. The condenser 22 and the spray pipe 23 are located inside the tower shell 2, and the spray pipe 23 is located directly above the condenser 22. A water separator 24 is fixedly connected to the inner side wall of the tower shell 2. A hot gas outlet 6 is provided on the upper surface of the tower shell 2. The side surface of the hot gas outlet 6... A support plate 9 is fixedly connected to the upper surface of the support plate 9. A motor 8 is fixedly connected to the upper surface of the support plate 9. A rotating shaft 25 is fixedly connected to the output end of the motor 8. A fan blade 10 is fixedly connected to the lower end of the rotating shaft 25. The rotating shaft 25 passes through the upper surface of the support plate 9. The fan blade 10 is located directly below the support plate 9 and directly below the hot air outlet 6. The water separator 24 is located directly below the fan blade 10. Ventilation openings 11 are provided on the left and right surfaces of the tower shell 2. A grid 12 is fixedly connected to the inner side wall of the ventilation opening 11.

[0023] Specifically, the spray pump 4 delivers water from the bottom of the tower shell 2 to the spray pipe 23 via the delivery pipe 5 to provide spray liquid. The support base 3 fixes the spray pump 4 to ensure its stable operation. The hot gas outlet 6 allows hot gas inside the tower to be discharged. The motor 8 provides power and drives the rotating shaft 25 and the fan blades 10 to enhance the gas flow at the hot gas outlet 6. The support plate 9 supports and fixes the motor 8 to ensure its stable position above the hot gas outlet 6. The vent 11 allows air to circulate inside and outside the tower. The grille 12 is installed inside the vent 11 to prevent large objects or foreign objects from entering the tower. The spray pipe 23 is located above the condenser 22 to cool the condenser 22. The water remover 24 is located directly below the fan blades 10 to remove excess water generated during the condensation process.

[0024] Working principle: The gas or material to be condensed is introduced into the condenser 22 through the primary inlet pipe 13 and then exits from the primary outlet pipe 14. During the process of the gas or material flowing through the condenser 22, the gas or material is cooled and condensed. At the same time, the spray pump 4 delivers water from the bottom of the tower shell 2 to the spray pipe 23 through the delivery pipe 5. The spray pipe 23 is located directly above the condenser 22. The sprayed liquid cools the condenser 22 and enhances the condensation effect. The top of the tower shell 2 is provided with a hot gas outlet 6 to discharge the hot gas inside the tower. The process is that the motor 8 drives the rotating shaft 25 and the fan blade 10 to rotate, which enhances the gas flow at the hot gas outlet 6 and accelerates the rapid discharge of hot gas. The water remover 24 is located directly below the fan blade 10 to remove excess water generated during the condensation process and prevent water from interfering with subsequent processes. The vent 11 allows air to circulate inside and outside the tower, keeping the air inside the tower fresh. The grille 12 is installed inside the ventilation opening 11 to prevent large objects or foreign objects from entering the tower. After the gas or material is condensed, it comes out from the first-stage outlet pipe 14. Then, the solenoid valve 20 of the first-stage outlet pipe 14 is opened for the next step of collection or utilization. At the same time, the solenoid valve 20 on the connecting pipe 18 can also be opened to introduce the gas or material after the first stage of condensation into the second-stage inlet pipe 15, and then undergo the second-stage condensation through the same process as above to ensure the condensation effect. Similarly, opening the solenoid valve 20 on the connecting pipe 219 to introduce the gas or material into the third-stage inlet pipe 16 can perform third-stage condensation to further ensure the condensation effect.

[0025] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A multi-stage condenser for polyester polyol production, characterized in that, include: A base plate (1) is fixedly connected to a tower shell (2) on its upper surface. A primary inlet pipe (13) is fixedly connected to the right surface of the tower shell (2). A primary outlet pipe (14) is fixedly connected to the right surface of the tower shell (2). A secondary inlet pipe (15) is fixedly connected to the right surface of the tower shell (2). A secondary outlet pipe (7) is fixedly connected to the right surface of the tower shell (2). A tertiary inlet pipe (16) is fixedly connected to the right surface of the tower shell (2). A tertiary outlet pipe (17) is fixedly connected to the right surface of the tower shell (2). The primary inlet pipe (13), primary outlet pipe (14), secondary inlet pipe (15), secondary outlet pipe (7), tertiary inlet pipe (16), and tertiary outlet pipe (17) penetrate the right surface of the tower shell (2), and multiple condensers (22) are fixedly connected to their left ends. The primary outlet pipe (14) is connected to the secondary inlet pipe (15) through the connecting pipe one (18). The secondary outlet pipe (7) is connected to the tertiary inlet pipe (16) through the connecting pipe two (19). The left surface of the tower shell (2) is fixedly connected to the spray pump (4) through the conveying pipe (5). The output end of the spray pump (4) is fixedly connected to the spray pipe (23) through the conveying pipe (5). The inner side wall of the tower shell (2) is fixedly connected to the water separator (24). The upper surface of the tower shell (2) is provided with a hot air outlet (6). The side surface of the hot air outlet (6) is fixedly connected to the support plate (9). The upper surface of the support plate (9) is fixedly connected to the motor (8). The output end of the motor (8) is fixedly connected to the rotating shaft (25). The lower end of the rotating shaft (25) is fixedly connected to the fan blade (10).

2. The multi-stage condenser for polyester polyol production according to claim 1, characterized in that, Ventilation openings (11) are provided on the left and right surfaces of the tower shell (2), and a grid (12) is fixedly connected to the inner side wall of the ventilation opening (11).

3. The multi-stage condenser for polyester polyol production according to claim 1, characterized in that, The upper surface of the base plate (1) is fixedly connected to a support base (3), and the spray pump (4) is fixedly connected to the upper surface of the support base (3).

4. The multi-stage condenser for polyester polyol production according to claim 1, characterized in that, Solenoid valves (20) are provided on the side surfaces of the first-stage inlet pipe (13), the first-stage outlet pipe (14), the second-stage inlet pipe (15), the second-stage outlet pipe (7), the third-stage inlet pipe (16), the third-stage outlet pipe (17), the first connecting pipe (18), and the second connecting pipe (19).

5. A multi-stage condenser for polyester polyol production according to claim 1, characterized in that, The left and right inner walls of the tower shell (2) are fixedly connected with partitions (21), which are located between the condensers (22).

6. A multi-stage condenser for polyester polyol production according to claim 1, characterized in that, The condenser (22) and the spray pipe (23) are located inside the tower shell (2), and the spray pipe (23) is located directly above the condenser (22).

7. A multi-stage condenser for polyester polyol production according to claim 1, characterized in that, The rotating shaft (25) passes through the upper surface of the support plate (9), and the fan blade (10) is located directly below the support plate (9).

8. A multi-stage condenser for polyester polyol production according to claim 1, characterized in that, The fan blade (10) is located directly below the hot air outlet (6), and the dewatering device (24) is located directly below the fan blade (10).

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