CN220990774U

CN220990774U - Reaction kettle system

Info

Publication number: CN220990774U
Application number: CN202323050794.6U
Authority: CN
Inventors: 杨浩; 杨颖刚; 安小强; 陈长军; 李新朋
Original assignee: Shaanxi Kzj New Materials Co ltd
Current assignee: Shaanxi Kzj New Materials Co ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-05-24
Anticipated expiration: 2033-11-10

Abstract

The utility model discloses a reaction kettle system, which comprises: the reaction kettle comprises a reaction kettle body, a steam inlet pipeline, a water return pipeline and a separation device, wherein the steam inlet pipeline is communicated with a steam inlet end of the reaction kettle body and is used for supplying steam into the reaction kettle body so as to heat materials in the reaction kettle body and circularly introduce first steam after depressurization; the water return pipeline is communicated with the water return end of the reaction kettle and is used for allowing the first steam and/or liquid water to flow out of the reaction kettle; the separation device comprises an input end and a first output end which are oppositely arranged, the input end is communicated with the water return pipeline, the first output end is communicated with the steam inlet pipeline, and the separation device is used for collecting and separating liquid water output by the water return pipeline and circularly conveying first steam output by the water return pipeline to the steam inlet pipeline. The utility model can recycle and utilize the heat energy of the first steam, reduce the waste of the heat energy of the first steam, save steam resources and reduce energy consumption.

Description

Reaction kettle system

Technical Field

The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle system.

Background

The enamel reaction kettle is a chemical production device for changing the temperature of materials by heating or cooling a jacket, because the reaction temperature is 103-180 ℃ and even more than the common reaction temperature for the production of an esterification liquid and the reaction time is 6-20 hours, the esterification reaction kettle needs to be fed with a heating medium for a long time to provide the heat required in the esterification production process, and in the esterification production process, the jacket system of the reaction kettle needs to be continuously fed with steam to maintain the reaction temperature of 103-180 ℃ of the esterification reaction system, and the duration is long, but because part of steam is not liquefied after the reaction kettle is involved in heat exchange, part of steam is converted into low-pressure steam after being depressurized, the low-pressure steam still has very large available heat energy, the heat energy of the part of the low-pressure steam which is not liquefied is not recycled in the prior art, so that the low-pressure steam is discharged along with a water return pipeline, the heat energy is wasted, and the energy consumption of the esterification production is further increased.

Disclosure of utility model

Based on this, it is necessary to provide a reactor system that can effectively reduce waste of heat energy, thereby reducing energy consumption.

A reactor system, comprising:

A reaction kettle;

The steam inlet pipeline is communicated with the steam inlet end of the reaction kettle and is used for supplying steam into the reaction kettle so as to heat the reaction kettle and circularly introducing cooled first steam;

The water return pipeline is communicated with a water return end of the reaction kettle and is used for allowing the first steam and/or liquid water to flow out of the reaction kettle; and

The separation device comprises an input end and a first output end which are oppositely arranged, wherein the input end is communicated with the water return pipeline, the first output end is communicated with the steam inlet pipeline, and the separation device is used for collecting liquid water output by the water return pipeline and recycling first steam output by the water return pipeline back to the steam inlet pipeline.

Optionally, the device further comprises a secondary line manual valve, wherein the secondary line manual valve is arranged at two ends of the separation device in parallel.

Optionally, the device further comprises a steam trap, the separation device further comprises a second output end, the second output end is communicated with one end of the steam trap, and the other end of the steam trap is communicated with the water return pipeline so as to return the liquid water contained in the separation device to the water return pipeline.

Optionally, the device further comprises a glass sight glass, wherein the glass sight glass is arranged between the steam trap and the water return pipeline, and the glass sight glass is used for accommodating liquid water output by the separation device and testing whether the steam trap is in a normal working state.

Optionally, the device further comprises a valve, wherein the valve is arranged between the glass sight glass and the water return pipeline.

Optionally, the reactor further comprises a backwater control valve, the backwater control valve is arranged on the backwater pipeline, the inlet end of the backwater control valve is respectively communicated with the input end of the reactor and the separating device, the outlet end of the backwater control valve is communicated with the valve, and the backwater control valve is used for controlling the on-off of the backwater pipeline.

Optionally, the device further comprises a check valve, wherein one end of the check valve is communicated with the first output end of the separation device, and the other end of the check valve is communicated with the steam inlet pipeline.

Optionally, the device further comprises a steam inlet control valve, the steam inlet control valve is arranged on the steam inlet pipeline, one end, away from the separation device, of the check valve is respectively communicated with the steam inlet control valve and the reaction kettle, and the steam inlet control valve is used for controlling on-off of the steam inlet pipeline.

Optionally, the reaction kettle comprises a kettle body and a groove, wherein the kettle body is provided with a feeding hole, and the groove is arranged around the circumference of the feeding hole.

Optionally, the groove is made of graphite modified polypropylene.

After the saturated steam flows through the jacket of the reaction kettle for heat exchange, although most of the steam is liquefied into liquid water, part of the steam is not liquefied and is changed into first steam after depressurization. The application can recycle and utilize the heat energy of the first steam, reduce the waste of the heat energy of the first steam, save steam resources and reduce energy consumption.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic structural diagram of a reactor system according to an embodiment;

FIG. 2 is a schematic diagram of a portion of a reactor system according to an embodiment;

FIG. 3 is a schematic diagram of a groove structure of a reactor system according to an embodiment.

1. A reaction kettle; 2. a steam inlet pipe; 3. a water return pipe; 4. a separation device; 5. a secondary line manual valve; 6. a non-return valve; 7. a first manual protection valve; 8. a second manual protection valve; 9. a steam trap; 10. a glass viewing mirror; 11. a valve; 12. a steam admission control valve; 13. a kettle body; 14. a groove; 141. a first groove; 142. a second groove; 15. and a backwater control valve.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, "and/or" throughout this document includes three schemes, taking a and/or B as an example, including a technical scheme, a technical scheme B, and a technical scheme that both a and B satisfy; in addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1, the application provides a reaction kettle system, which comprises a reaction kettle 1, a steam inlet pipeline 2, a water return pipeline 3 and a separation device 4, wherein the steam inlet pipeline 2 is communicated with a steam inlet end of the reaction kettle 1, and the steam inlet pipeline 2 is used for supplying steam into the reaction kettle 1 so as to heat the reaction kettle 1 and obtain first steam and/or liquid water after depressurization; the water return pipeline 3 is communicated with the water return end of the reaction kettle 1, and the water return pipeline 3 is used for supplying first steam and/or liquid water to flow out of the reaction kettle 1; the separation device 4 comprises an input end and a first output end which are oppositely arranged, the input end is communicated with the water return pipeline 3, the first output end is communicated with the steam inlet pipeline 2, and the separation device 4 is used for collecting liquid water output by the water return pipeline 3 and returning first steam output by the water return pipeline 3 to the steam inlet pipeline 2.

When saturated steam flows through the reaction kettle 1 for heat exchange, although most of steam is liquefied into liquid water, part of steam is not liquefied and becomes reduced-pressure first steam, and the separation device 4 is arranged between the water return pipeline 3 and the steam inlet pipeline 2, so that the first steam which is not liquefied can be returned into the steam inlet pipeline 2 and continuously enter the reaction kettle 1 for providing heat until the first steam is liquefied into liquid water, and the liquid water is collected from the separation device 4 and then discharged. The application can recycle and utilize the heat energy of the first steam, reduce the waste of the heat energy of the first steam, save steam resources and reduce energy consumption.

Specifically, the steam inlet pipeline 2 is communicated with the top end of the jacket of the reaction kettle 1, the water return pipeline 3 is communicated with the bottom end of the jacket of the reaction kettle 1, and steam exchanges heat in the jacket of the reaction kettle.

Specifically, the reaction kettle 1 is preferably an enamel reaction kettle, and the enamel reaction kettle is formed by firing enamel at high temperature to firmly and densely cover the inner surface of a metal kettle, has the advantages of acid and alkali corrosion resistance, temperature change resistance and the like, has smaller volume, and is usually heated by steam. The method is particularly suitable for intermittent high-temperature chemical production, has small batch yield, meets the production requirements of various products in factories, and is suitable for esterification reaction.

In this embodiment, the separation device 4 is a metal pipe type liquid level gauge with an evacuation valve at the bottom, and the first output end is higher than the input end at the setting height of the separation device 4, so that low-pressure steam is separated by the liquid level gauge, wherein the liquid water can be collected at the bottom of the separation device 4 and discharged, and the first steam passes through the upper part of the separation device 4 and returns to the steam inlet pipeline.

Further, the steam inlet pipe 2 is supplied with saturated steam.

Referring to fig. 2, the reaction kettle system further comprises a secondary line manual valve 5, a check valve 6, a first manual protection valve 7 and a second manual protection valve 8, wherein one end of the first manual protection valve 7 is communicated with the water return pipeline 3, the other end of the first manual protection valve is communicated with the input end of the separation device 4, one end of the check valve 6 is communicated with the first output end of the separation device 4, the other end of the check valve is communicated with one end of the second manual protection valve 8, and the other end of the second manual protection valve 8 is communicated with the steam inlet pipeline 2. One end of the auxiliary line manual valve 5 is communicated with the water return pipeline 3, the other end of the auxiliary line manual valve 5 is communicated with the steam inlet pipeline 2, and the auxiliary line manual valve 5 is respectively connected with the first manual protection valve 7 and the separating device 4 in parallel through pipelines, and the check valve 6 and the second manual protection valve 8 are arranged in parallel.

Specifically, the first manual protection valve 7 and the second manual protection valve 8 are installed at the front end and the rear end of the separating device 4, and a pipeline with the auxiliary line manual valve 5 is installed at the two ends of the first manual protection valve 7 and the second manual protection valve 8 and is connected with the separating device 4 in parallel, so that a passage is formed when the separating device 4 fails, and the maintenance is convenient.

Further, a check valve 6 is provided between the separation device 4 and the second manual protection valve 8, so that the first steam can be prevented from flowing backward.

Referring to fig. 2, the reaction kettle system further comprises a steam trap 9, a glass sight glass 10 and a valve 11, the separation device 4 further comprises a second output end, the second output end is communicated with one end of the steam trap 9, the other end of the steam trap 9 is communicated with one end of the glass sight glass 10, the other end of the glass sight glass 10 is communicated with one end of the valve 11, and the other end of the valve 11 is communicated with the water return pipeline 3, so that liquid water discharged after the separation device 4 is separated is returned to the water outlet pipeline through the glass sight glass 10 and the valve 11.

Specifically, the glass sight glass 10 is a visual device, so that an operator can observe the amount of liquid water contained in the glass sight glass 10, conveniently open the valve 11 on time, discharge the liquid water collected by the separation device 4 to the water return pipeline 3, and simultaneously, conveniently observe and judge whether the steam trap 9 is in a normal working state.

The reaction kettle system further comprises a backwater control valve 15, the backwater control valve 15 is arranged on the backwater pipeline 3, the inlet end of the backwater control valve 15 is respectively communicated with the reaction kettle 1, the first manual protection valve 7 and the auxiliary line manual valve 5, the outlet end of the backwater control valve 15 is communicated with the valve 11, and the backwater control valve 15 is used for controlling the on-off of the backwater pipeline 3.

Specifically, the reaction kettle system further comprises a pressure sensor, the pressure sensor is arranged on the water return pipeline 3 close to one side of the reaction kettle 1, and the water return control valve 15 is automatically controlled to be opened and closed according to pressure signals in the water return pipeline 3.

The reaction kettle system further comprises a steam inlet control valve 12, the steam inlet control valve 12 is arranged on the steam inlet pipeline 2, one end, far away from the separation device 4, of the second manual protection valve 8 is respectively communicated with the steam inlet control valve 12 and the reaction kettle 1, and the steam inlet control valve 12 is used for controlling the on-off of the steam inlet pipeline 2.

Specifically, the reaction kettle system further comprises a temperature detection device, the temperature detection device is arranged in the reaction kettle 1 and is used for detecting the temperature of materials in the reaction kettle 1, the temperature detection device is interlocked with the steam inlet control valve 12, the steam inlet control valve 12 is used for automatically controlling the opening and closing of the steam inlet control valve 12 according to the temperature in the reaction kettle 1 detected by the temperature detection device, when the heat energy provided by the first steam is insufficient to maintain the system energy of the esterification reaction kettle 1, the interlocking system properly opens the steam inlet control valve 12, so that external steam enters the reaction kettle 1 through the steam inlet control valve 12 to supplement the system heat of the esterification reaction kettle 1, the opening frequency of the steam inlet control valve 12 is reduced, and the energy consumption is further reduced.

Referring to fig. 1 and 3, the reaction kettle 1 comprises a kettle body 13 and a groove 14, wherein the kettle body 13 is provided with a feed port, and the groove 14 is arranged around the circumferential direction of the feed port. The material of the groove 14 is graphite modified polypropylene.

This is because the enamel reaction kettle is connected by clamp bolts through the kettle body 13 and the sealing cover. The enamel reaction kettle is a bevel-mouth type feeding port, the enamel glaze is relatively brittle, the plane flatness is poor, after the clamp type sealing is adopted, gas-liquid materials continuously overflow from between the kettle port and the sealing cover in the heating esterification reaction process, the cleaning is difficult, and the metal shell of the enamel reaction kettle is easy to corrode. By providing the grooves 14 of graphite-modified polypropylene, distillate can be collected without corroding the grooves 14.

Further, the groove 14 is installed according to the inclination of the feed inlet of the kettle body 13 by about 30-45 degrees, so that the bottom of the groove 14 is attached to the outer side wall of the kettle body 13.

Specifically, the groove 14 comprises a first groove 141 and a second groove 142, the first groove 141 and the second groove 142 are enclosed to form a square structure with an oval hollow in the middle, the hollow in the middle is used for adapting to a feed inlet, the edge of the second groove 142 is provided with a protruding enclosing baffle,

Further, the first groove 141 is hinged to the second groove 142, and the first groove 141 is used to fix the second groove 142 and collect a small amount of distillate. The width of the first groove 141 is 2-3 cm, and the edge has no protrusion; the width of the second groove 142 is 5-7 cm, the edge is provided with a protruding fence of 2.0-4.0 cm, the width of the second groove 142 is 5-7 cm so as to be matched with the protruding width of the edge of the feeding hole, and the operation of the production feeding stage is not influenced.

Further, the lowest part of the second groove 142 is provided with a hole, and the hole is connected with an external container through a pipeline so as to collect fractions.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A reactor system, comprising:

A reaction kettle;

The steam inlet pipeline is communicated with the steam inlet end of the reaction kettle and is used for supplying steam into the reaction kettle so as to heat the reaction kettle and circularly introducing the depressurized first steam;

2. The reactor system of claim 1, further comprising a secondary manual valve disposed in parallel at both ends of the separation device.

3. The reactor system of claim 1, further comprising a steam trap, wherein the separation device further comprises a second output, wherein the second output is in communication with one end of the steam trap, and wherein the other end of the steam trap is in communication with the return conduit to return the liquid water received by the separation device to the return conduit.

4. The reactor system of claim 3, further comprising a glass sight glass disposed between said steam trap and said return conduit, said glass sight glass configured to receive liquid water output from said separator and to test whether said steam trap is in a normal operating condition.

5. The reactor system of claim 4, further comprising a valve disposed between said glass sight glass and said return conduit.

6. The reactor system according to claim 5, further comprising a water return control valve disposed on the water return pipe, wherein an inlet end of the water return control valve is respectively connected with the reactor and an input end of the separation device, a water outlet end of the water return control valve is connected with the valve, and the water return control valve is used for controlling on-off of the water return pipe.

7. The reactor system of claim 1, further comprising a check valve having one end in communication with the first output of the separation device and another end in communication with the steam inlet conduit.

8. The reactor system of claim 7, further comprising a steam admission control valve disposed on the steam admission pipe, and wherein one end of the check valve remote from the separation device is respectively in communication with the steam admission control valve and the reactor, the steam admission control valve being configured to control on-off of the steam admission pipe.

9. The reactor system of claim 1, wherein the reactor comprises a tank body and a groove, the tank body is provided with a feed port, and the groove is circumferentially arranged around the feed port.

10. The reactor system according to claim 9, wherein the groove is made of graphite modified polypropylene.