CN209848863U - Continuous sulfonation equipment for block polyether - Google Patents

Abstract

The utility model belongs to the technical field of sulfonated product processing, concretely relates to continuous sulfonation equipment of block polyether, including the sulfonator, the top of sulfonator has the overhead guard, the air inlet has been seted up at the overhead guard top, the feed inlet has been seted up with the lateral wall of sulfonator junction to the overhead guard, the bottom of sulfonator has the end cover, the bottom of end cover has the discharge gate, the inside of sulfonator has top-down distribution's first section heat transfer section and two-stage process heat transfer section, be equipped with two sections heat transfer pipe groups that top-down distributes in the sulfonator, first section heat transfer pipe group and two-stage process heat transfer pipe group, the temperature control of first section heat transfer pipe group is 20 ~ 40 degrees, and two-stage process heat transfer pipe group temperature control is 30 ~ 50 degrees, can carry out reasonable control to the temperature in the sulfonator to set for different temperature environment according to the reaction process, improve the temperature condition that is favorable to product chemical reaction, thereby improve the excellent yield of product.

Description

Continuous sulfonation equipment for block polyether

Technical Field

The utility model belongs to the technical field of sulfonated product processing, concretely relates to continuous sulfonation equipment of block polyether.

Background

The sulfonator is applied to a sulfur trioxide continuous sulfonating device and preparation of sulfonated products: liquid sulfur is precisely metered and pumped into a sulfur burning furnace to be burned to generate sulfur dioxide gas, sulfur trioxide gas is generated through catalytic conversion, the sulfur dioxide gas enters a sulfonation reactor to react with organic materials to generate sulfuric ester, then the sulfuric ester is reacted with caustic soda and process water in a certain proportion in a continuous neutralization unit to generate a target sulfonated product, the feeding amount of sulfur and the organic materials is precisely controlled according to the molar proportion, sulfonation refers to the reaction of sulfur trioxide and organic material molecules, a sulfonated compound is obtained, sulfonation is an exothermic reaction, cooling is needed during low-temperature sulfonation, and heating and heat preservation are needed during high-temperature sulfonation. The aliphatic compounds are usually sulfonated by an indirect method.

The prior art has the following problems:

1. the sulfonation reaction is an exothermic reaction, the reaction process and the reaction conversion degree of the sulfonation reaction need to be controlled by cooling water, and if the temperature is not controlled well, the excellent rate of the product is greatly reduced, even the sulfonation failure is caused;

2. because the reaction is divided into a plurality of processes and the temperature condition of each reaction is different, the corresponding regulation and control are not easy to carry out.

Disclosure of Invention

To solve the problems set forth in the background art described above. The utility model provides a continuous sulfonation equipment of block polyether, which is characterized by easy control of reaction temperature.

In order to achieve the above object, the utility model provides a following technical scheme: a continuous sulfonation device for block polyether comprises a sulfonator, wherein a top cover is arranged at the top of the sulfonator, an air inlet is formed in the top of the top cover, a feed inlet is formed in the side wall of the joint of the top cover and the sulfonator, a bottom cover is arranged at the bottom of the sulfonator, a discharge outlet is formed in the bottom of the bottom cover, a first section heat exchange section and a second section heat exchange section which are distributed from top to bottom are arranged in the sulfonator, a water inlet pipe A, a water inlet pipe B, a water discharge pipe A, a water discharge pipe B and a water discharge pipe C are fixed on the outer wall of the sulfonator, a first section heat exchange pipe group is arranged in the first section heat exchange section, the water inlet pipe A is fixed at the input end of the first section heat exchange pipe group, a water discharge pipe A is fixed at the output end of the first section heat exchange pipe group, two sections heat exchange pipe groups are respectively arranged in the second section heat exchange section heat, and a partition plate is arranged between the first section of heat exchange section and the second section of heat exchange section, and the partition plate is hermetically connected to the inner wall of the sulfonator.

Preferably, the partition plate is welded and fixed on the inner wall of the sulfonator and consists of two layers of single plates, a vacuum layer is arranged between the two layers of single plates, and the partition plate is welded and fixed on the inner wall of the sulfonator.

Preferably, drain pipe A's output is connected with outside temperature regulating box, be equipped with inlet tube and outlet pipe on the outside temperature regulating box, advance water piping connection in drain pipe A is last, go out water piping connection in advance water piping connection is last.

Preferably, the partition has thermal insulation properties.

Preferably, the first section of heat exchange tube group and the second section of heat exchange tube group are both straight tubes, and the first section of heat exchange tube group and the second section of heat exchange tube group are both fixedly connected with the sulfonator.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be equipped with two sections heat exchange tube sets that top-down distributes in the sulfonator, first section heat exchange tube set and two sections heat exchange tube set, the temperature control of first section heat exchange tube set is 20 ~ 40 degrees, two sections heat exchange tube set temperature control is 30 ~ 50 degrees, according to the difference in material reaction stage, can carry out reasonable control to the temperature in the sulfonator, owing to be equipped with the baffle between the heat transfer section of difference, guarantee that the water in the heat transfer section can not take place to cross flow, guarantee that material reaction all is in under required temperature condition in each stage, consequently can regulate and control the speed and the process of sulfonation reaction, thereby improve the goodness rate of material production product.

2. The utility model discloses a circulating water heat transfer mode of two-in three-out, and according to the temperature difference between first section heat transfer water and the two-stage process heat transfer water, each section temperature of reasonable in to the sulfonator is controlled, because water has higher specific heat capacity, the temperature variation that produces in chemical reaction can carry out the change buffering of temperature through the heat exchange with water, realize temperature control under less temperature condition, guarantee that chemical reaction's high efficiency goes on, can come to carry out cyclic utilization to the outlet pipe of first section circulating water through the outside temperature regulating box of external heat transfer device, reduce the consumption of water resource, and the reduction in production cost has higher market prospect.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a heat exchange section in the present invention;

FIG. 3 is a schematic structural view of an external temperature-adjusting box of the present invention;

in the figure: 1. a sulfonator; 101. an air inlet; 102. a feed inlet; 103. a discharge port; 104. a first section heat exchange section; 105. a second section of heat exchange section; 107. a first section of heat exchange tube set; 108. a two-stage heat exchange tube set; 11. a top cover; 12. a bottom cover; 21. a water inlet pipe A; 22. a water inlet pipe B; 31. a water drainage pipe A; 32. a water discharge pipe B; 33. a drain pipe C; 4. an external temperature-regulating tank; 411. a water inlet pipe; 412. a water outlet pipe; 5. a separator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a continuous sulfonation device for block polyether, including a sulfonator 1, the top of the sulfonator 1 is provided with a top cover 11, the top of the top cover 11 is provided with an air inlet 101, the side wall of the connection between the top cover 11 and the sulfonator 1 is provided with a feed inlet 102, sulfur trioxide enters the sulfonator 1 through the air inlet 101, the material is put into the sulfonator 1 through the feed inlet 102, sulfonation reaction can be performed to generate sulfonated acid, the bottom of the sulfonator 1 is provided with a bottom cover 12, the bottom of the bottom cover 12 is provided with a discharge port 103, the produced sulfonated acid is discharged through the discharge port 103, the inside of the sulfonator 1 is provided with a first section heat exchange section 104 and a second section heat exchange section 105 which are distributed from top to bottom, different temperatures can be set according to different heat exchange sections, the temperature of the first section 104 is 20 4640 degrees, the temperature of the second section 105 is 30 degrees ~ degrees, the outer wall of the sulfonator 1 is fixed with a water inlet pipe a21, a water inlet pipe B22, a drain pipe B4, B32 degrees, a drain pipe B23 degrees, a water pipe B9 degrees is arranged in the first section 104 degrees, the first section is connected with a heat exchange section, the first section, the drain pipe B9 degrees, the first section is connected with a drain pipe B9 degrees, the heat exchange section, the drain pipe B9 degrees, the first section is connected with a drain pipe B9 degrees, the heat exchange section, the drain pipe B9 degrees, the drain pipe B is connected with a drain pipe B9.

Specifically, the partition plate 5 is welded and fixed on the inner wall of the sulfonator 1, and the partition plate 5 is a single plate; the single plate plays a role in heat insulation, and prevents water in the two sections of pipes from generating heat exchange.

Specifically, the output of drain pipe A31 is connected with outside temperature regulating box 4, is equipped with inlet tube 411 and outlet pipe 412 on the outside temperature regulating box 4, and inlet tube 411 connects on drain pipe A31, and outlet pipe 412 connects on inlet tube A21, can realize cooling by the discharged water in the first section heat exchange tube group 107.

Specifically, the first heat exchange tube group 107 and the second heat exchange tube group 108 are both straight tubes, the first heat exchange tube group 107 and the second heat exchange tube group 108 are both fixedly connected with the sulfonator 1, a better temperature adjusting atmosphere can be formed by sectional control, and the first heat exchange tube group 107 and the second heat exchange tube group 108 are both fixedly connected with the sulfonator 1.

The utility model discloses a theory of operation and use flow are that sulfur trioxide gets into in arriving sulfonator 1 through air inlet 101, the material drops into sulfonator 1 through feed inlet 102, can carry out chemical reaction, generate sulfonated acid, sulfonated acid discharges through discharge gate 103. sulfonator 1's inside has first section heat transfer section 104 and two-stage section heat transfer section 105 that top-down distributes, can set for different temperatures according to the heat transfer section of difference, first section heat transfer section 104 temperature is 20 ~ degrees, two-stage section heat transfer section 105 temperature is 30 ~ degrees, the cooling water cools down to chemical reaction in entering first section heat transfer tube group 107, the absorbed heat, the temperature increases, then discharge water to outside temperature regulating box 4 through drain pipe A31, can realize carrying out temperature control to the discharged water in first section heat transfer tube group 107 through outside temperature regulating box 4, guarantee that the temperature of water is in between 20 3640, then in inputing to first section heat transfer section 104, and realize cyclic utilization the circulating water enters into two-stage heat transfer section 105, then carry out the lower-stage accuse temperature through B57 and 33 discharge drain pipe 33.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. Continuous sulfonation equipment of block polyether, comprising a sulfonator (1), characterized in that: the top of the sulfonator (1) is provided with a top cover (11), the top of the top cover (11) is provided with an air inlet (101), the side wall of the joint of the top cover (11) and the sulfonator (1) is provided with a feed inlet (102), the bottom of the sulfonator (1) is provided with a bottom cover (12), the bottom of the bottom cover (12) is provided with a discharge port (103), the inside of the sulfonator (1) is provided with a first section heat exchange section (104) and a second section heat exchange section (105) which are distributed from top to bottom, the outer wall of the sulfonator (1) is fixed with a water inlet pipe A (21), a water inlet pipe B (22), a water discharge pipe A (31), a water discharge pipe B (32) and a water discharge pipe C (33), a first section heat exchange pipe group (107) is arranged in the first section heat exchange section (104), the water inlet pipe A (21) is fixed at the input end of the first section heat exchange pipe group (107), and, two sections of heat exchange tube sets (108) are respectively arranged in the two sections of heat exchange sections (105), the input end of each two section of heat exchange tube set (108) is connected with a water inlet pipe B (22), the output end of each two section of heat exchange tube set (108) is connected with a water outlet pipe B (32) and a water outlet pipe C (33), a partition plate (5) is arranged between the first section of heat exchange section (104) and the two sections of heat exchange sections (105), and the partition plate (5) is connected to the inner wall of the sulfonator (1) in a sealing mode.

2. The apparatus for continuous sulfonation of block polyethers according to claim 1, wherein: the partition plate (5) is welded and fixed on the inner wall of the sulfonator (1).

3. The apparatus for continuous sulfonation of block polyethers according to claim 1, wherein: the output of drain pipe A (31) is connected with outside temperature regulating box (4), be equipped with inlet tube (411) and outlet pipe (412) on outside temperature regulating box (4), inlet tube (411) are connected on drain pipe A (31), outlet pipe (412) are connected on inlet tube A (21).

4. The apparatus for continuous sulfonation of block polyethers according to claim 1, wherein: the partition (5) has heat insulation properties.

5. The apparatus for continuous sulfonation of block polyethers according to claim 1, wherein: the first section of heat exchange tube group (107) and the second section of heat exchange tube group (108) are both straight tubes, and the first section of heat exchange tube group (107) and the second section of heat exchange tube group (108) are both fixedly connected with the sulfonator (1).