Comprehensive utilization device for waste heat of sulfonation reaction

Abstract

The utility model relates to a sulfonation reaction waste heat comprehensive utilization device which comprises a collecting tank, a heat exchanger and an evaporation system, the input end of the collecting tank is externally connected with an evaporation source through a collecting pipeline, a circulating flow path is arranged outside the collecting tank, a first pump body is connected to the circulating flow path in series, and the heat exchanger is provided with a hot end and a cold end. The hot end of the heat exchanger is connected to the circulating flow path in series, and the cold end of the heat exchanger communicates with a cold source. Steam condensate water collected in the collecting tank serves as a hot end and exchanges heat with a cold source through the heat exchanger, so that waste heat utilization of the steam condensate water is achieved; and the steam condensate water can be introduced into the evaporation system through the one-way flow path I to serve as a medium for repeated evaporation, and the temperature of the steam condensate water is close to the boiling point, so that the internal energy required by boiling is low, the steam condensate water can be boiled quickly, and the energy required by steam generation is saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste heat utilization, and particularly relates to a device for comprehensively utilizing the waste heat of sulfonation reaction. Background Technique

[0002] At present, except for a small part of the steam condensate recovered by the company for use in the hot water tracing system, most of it is directly discharged into the sewage pipe network, with hot air escaping everywhere, which has a great impact on the factory environment. Especially in summer, after the hot water tracing system is shut down, the steam condensate cannot be recovered and used and is all directly discharged, which is a waste of thermal energy and water resources and also affects the environment. Content of the Utility Model

[0003] In view of the problems in the prior art, the utility model provides a device for comprehensively utilizing the waste heat of sulfonation reaction, and the specific technical solution is as follows:

[0004] The device for comprehensively utilizing the waste heat of sulfonation reaction includes a collection tank, a heat exchanger and an evaporation system. The input end of the collection tank is externally connected to an evaporation source through a collection pipeline. A circulation flow path is arranged outside the collection tank, and a pump body I is connected in series on the circulation flow path. The heat exchanger has a hot end and a cold end. The hot end of the heat exchanger is connected in series on the circulation flow path, and the cold end of the heat exchanger is communicated with a cold source.

[0005] As a further technical solution of the utility model, a one-way flow path II is connected in series to the cold end of the heat exchanger, and a sulfonation reaction neutralization system is connected in series on the one-way flow path II.

[0006] As a further technical solution of the utility model, the output end of the collection tank is communicated with the evaporation system through a one-way flow path I, and a pump body II is connected in series on the one-way flow path I.

[0007] As a further technical solution of the utility model, a liquid supplement pipeline is connected to the input end of the collection tank, the liquid supplement pipeline is externally connected to pure water, and a control valve is connected in series on the liquid supplement pipeline.

[0008] As a further technical solution of the utility model, the insertion end of the collection pipeline is sequentially sleeved with an inner cylinder and an outer cylinder from inside to outside. Inner holes are opened at both ends of the inner cylinder, outer holes are opened in the circumferential direction of the outer cylinder, and the output directions of the outer holes and the inner holes are perpendicular to each other.

[0009] The beneficial effects of the utility model are as follows:

[0010] In this application, the steam condensate collected in the collection tank is used as the hot end to exchange heat with the cold source through a heat exchanger to realize the waste heat utilization of the steam condensate; and the steam condensate can be introduced into the evaporation system through the one-way flow path 1 as the medium for repeated evaporation. Since the temperature of the steam condensate is close to the boiling point, the internal energy required for its boiling is low, and it can boil quickly, saving the energy required for steam generation. Description of the Drawings

[0011] Figure 1 Shows a schematic diagram of the overall structure of the comprehensive utilization device for the waste heat of the sulfonation reaction;

[0012] Figure 2 Shows a schematic diagram of the structures of the inner cylinder and the outer cylinder.

[0013] Legend:

[0014] 100, collection tank; 110, circulation flow path; 111, pump 1; 120, one-way flow path 1; 121, pump 2; 130, collection pipeline; 140, liquid supplement pipeline; 141, control valve; 150, inner cylinder; 151, inner hole; 160, outer cylinder; 161, outer hole; 200, heat exchanger; 210, one-way flow path 2; 211, sulfonation reaction neutralization system; 300, evaporation system. Detailed Embodiments

[0015] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0016] Figure 1 Shows a schematic diagram of the overall structure of the comprehensive utilization device for the waste heat of the sulfonation reaction; Figure 1In the present invention, the device for comprehensive utilization of waste heat from sulfonation reaction is used for waste heat utilization of steam condensate, and comprises a collecting tank 100, a heat exchanger 200 and an evaporation system 300. The input end of the collecting tank 100 is connected to an external evaporation source through a collecting pipe 130. The evaporation source here can be any device that produces steam condensate, and the collecting pipe 130 introduces the produced steam condensate into the collecting tank 100 for collection. A circulating flow path 110 is arranged outside the collecting tank 100, and a pump body 111 is connected in series to the circulating flow path 110. The heat exchanger 200 has a hot end and a cold end. The hot end of the heat exchanger 200 is connected in series to the circulating flow path 110, and the cold end of the heat exchanger 200 is connected to a cold source. The temperature of the steam condensate collected by the collecting tank 100 and introduced into the collecting pipe 130 is close to Boiling point, where the circulating flow path 110 means that both the input end and the output end are connected to the collecting tank 100, that is, the medium flows out of the collecting tank 100 through the circulating flow path 110, and finally flows into the collecting tank 100 from the circulating flow path 110, and the pump body 111 is started, which can drive the steam condensate in the collecting tank 100 to circulate in the circulating flow path 110, so as to flow through the hot end of the heat exchanger 200, and exchange heat with the medium flowing through the cold end of the heat exchanger 200, so as to realize the waste heat utilization of the steam condensate, and finally return the steam condensate after heat exchange to the collecting tank 100; the cold end of the heat exchanger 200 is connected in series with a one-way flow path 210, and the one-way flow path 210 is connected in series with a sulfonation reaction neutralization system 211; in this embodiment, the sulfonation reaction neutralization system 2 11 is used as a cold source that needs to be heated, and the medium in the one-way flow path 210 flows through the sulfonation reaction neutralization system 211 to absorb heat and cool down, and then flows through the cold end of the heat exchanger 200 and the hot end for heat exchange, and then flows through the sulfonation reaction neutralization system 211 after heating, and repeats this process, so that the waste heat of the steam condensate in the collection tank 100 can be utilized in the sulfonation reaction neutralization system 211; it should be noted that, in the present embodiment, the sulfonation reaction neutralization system 211 absorbs the waste heat of the steam condensate as a cold source, and in some other embodiments, any other device that needs to absorb heat can also be externally connected as a cold source, which is what those skilled in the art should think of; the output end of the collection tank 100 is connected to the evaporation system 300 through the one-way flow path 120, and the one-way flow path 120 is connected in series with the evaporation system 300. It is connected to a pump body 121; the evaporation system 300 is a part of the steam heating system, which needs to generate water vapor to generate energy, and the steam condensed water in the collection tank 100 is directly introduced into the evaporation system 300 for heating to generate water vapor. Since the temperature of the steam condensed water is close to the boiling point, the internal energy required for its boiling is low, and it can boil quickly, saving the energy required for steam generation; the input end of the collection tank 100 is connected to a liquid replenishment pipeline 140, the liquid replenishment pipeline 140 is externally connected to pure water, and a control valve 141 is serially connected to the liquid replenishment pipeline 140; the liquid replenishment pipeline 140 can pass the external pure water into the collection tank 100 to achieve liquid replenishment, ensuring that the liquid in the collection tank 100 is maintained within a certain range, and the control valve 141 can control the opening and closing of the liquid replenishment pipeline 140.

[0017] Figure 2 The structural schematic diagrams of the inner cylinder 150 and the outer cylinder 160 are shown; Figure 2 In it, the insertion end of the collection pipeline 130 is successively sleeved with the inner cylinder 150 and the outer cylinder 160 from inside to outside. Inner holes 151 are provided at both ends of the inner cylinder 150, and outer holes 161 are provided in the circumferential direction of the outer cylinder 160. The output direction of the outer holes 161 is perpendicular to the output direction of the inner holes 151; the inner cylinder 150 and the outer cylinder 160 are used to restrict the medium flowing out of the collection pipeline 130. This is because there is not only liquid but also gas in the medium flowing out of the collection pipeline 130, that is, a gas-liquid mixture. When the medium flows into the collection tank 100 and submerges the output end of the collection pipeline 130, as the medium continues to flow in, the gas-liquid mixture converges and collides with the liquid, generating noise. By using the settings of the inner holes 151 and the outer holes 161, the gas-liquid mixture can be greatly dispersed, reducing its kinetic energy, thereby reducing noise.

[0018] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. A device for comprehensive utilization of waste heat from a sulfonation reaction, comprising a collecting tank (100), a heat exchanger (200) and an evaporation system (300), wherein the input end of the collecting tank (100) is connected to an external evaporation source via a collecting pipe (130), characterized in that: A circulating flow path (110) is arranged outside the collecting tank (100), a pump body (111) is connected in series to the circulating flow path (110), the heat exchanger (200) has a hot end and a cold end, the hot end of the heat exchanger (200) is connected in series to the circulating flow path (110), and the cold end of the heat exchanger (200) is connected to a cold source.

2. The device for comprehensive utilization of waste heat from sulfonation reaction according to claim 1, characterized in that: The cold end of the heat exchanger (200) is connected in series with a second one-way flow path (210), and the second one-way flow path (210) is connected in series with a sulfonation reaction neutralization system (211).

3. The device for comprehensive utilization of waste heat from sulfonation reaction according to claim 2, characterized in that: The output end of the collection tank (100) is connected to the evaporation system (300) via a one-way flow path (120), and a pump body (121) is connected in series to the one-way flow path (120).

4. The device for comprehensive utilization of waste heat from sulfonation reaction according to claim 3, characterized in that: The input end of the collection tank (100) is connected to a liquid replenishment pipeline (140), the liquid replenishment pipeline (140) is externally connected to pure water, and a control valve (141) is serially connected to the liquid replenishment pipeline (140).

5. The device for comprehensive utilization of waste heat from sulfonation reaction according to claim 3, characterized in that: The insertion end of the collecting pipe (130) is sequentially surrounded by an inner cylinder (150) and an outer cylinder (160) from the inside to the outside, the two ends of the inner cylinder (150) are provided with inner holes (151), the outer cylinder (160) is provided with an outer hole (161) in the circumferential direction, and the output direction of the outer hole (161) is perpendicular to the output direction of the inner hole (151).

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