CN219377153U - Static mixing reactor - Google Patents
Static mixing reactor Download PDFInfo
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- CN219377153U CN219377153U CN202320776941.9U CN202320776941U CN219377153U CN 219377153 U CN219377153 U CN 219377153U CN 202320776941 U CN202320776941 U CN 202320776941U CN 219377153 U CN219377153 U CN 219377153U
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Abstract
A static mixing reactor comprises a shell-side cylinder; a central cylinder; the partition plate is arranged in the central cylinder and divides the inner space of the central cylinder into a first part and a second part positioned below the first part; the first separation cylinder is arranged in the first part, a first annular cavity is formed between the first separation cylinder and the first part, and a first cavity is formed in the first separation cylinder and communicated with the first annular cavity; a first inlet nipple opposite and in communication with the headspace of the first annular chamber; a first outlet nipple opposite and in communication with the headspace of the first chamber; the second separation cylinder is arranged in the second part, a second annular cavity is formed between the second separation cylinder and the second part, and a second cavity is formed in the second separation cylinder and communicated with the second annular cavity; the second inlet connecting pipe is opposite to and communicated with the bottom space of the second annular cavity; a second outlet nipple opposite and in communication with the bottom space of the second chamber. Compared with the prior art, the utility model can improve the mixing effect.
Description
Technical Field
The utility model belongs to the technical field of chemical equipment, and particularly relates to a static mixing reactor.
Background
The static mixing reactor is an indispensable device in the polymerization reaction, mainly plays roles of reaction heating and heat removal, and simultaneously avoids transitional polymerization, insufficient reaction and other conditions caused by uneven heating and heat removal of materials. The static mixing reactor is generally set into 3 zones according to the reaction requirement, heating and heat removal are respectively carried out, and the material residence time and the reaction temperature of each zone are required.
The scheme disclosed in the utility model patent 202022606972.9 for the hydration reaction of raw acrolein (the authorized publication number is CN 213761840U) comprises a protecting shell and a mixing chamber, wherein the inside of the protecting shell is provided with the mixing chamber, the two ends of the mixing chamber are respectively provided with a water inlet end and a discharge end, the mixing chamber is provided with a medicine adding port, a guide vane is arranged in the mixing chamber, a temperature regulating cavity is sleeved outside the mixing chamber and comprises a first water cavity, a second water cavity and a third water cavity, the bottoms of the first water cavity, the second water cavity and the third water cavity are respectively provided with a water inlet pipe and a water return pipe, and the water inlet pipe and the water return pipe are respectively communicated with a water inlet tank and a water return tank below the protecting shell. Therefore, the method is applicable to the reaction of different materials, the reaction speed is increased, and the static mixing effect is still further improved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a static mixing reactor aiming at the current state of the art so as to improve the mixing effect.
The technical scheme adopted for solving the technical problems is as follows: a static mixing reactor comprising:
the shell side cylinder is vertically arranged, and a reaction cavity is formed in the shell side cylinder in a hollow mode;
a reaction material inlet connecting pipe is fixed relative to the shell side cylinder body, is opposite to and communicated with the top space of the reaction cavity;
the reaction material outlet connecting pipe is fixed relative to the shell side cylinder body, is opposite to and communicated with the bottom space of the reaction cavity;
the hollow center cylinder is arranged in the shell side cylinder body and extends up and down;
the heat exchange tubes are axially arranged in the shell side cylinder body and spirally wound on the periphery of the central cylinder from inside to outside;
it is characterized in that the method also comprises the following steps:
the partition plate is transversely arranged in the central cylinder and divides the inner space of the central cylinder into at least two parts, namely a first part and a second part positioned below the first part, along the up-down direction;
the first separating cylinder extends up and down and is arranged in the first part, the outer peripheral wall of the first separating cylinder is opposite to the inner peripheral wall of the first part at intervals to form a first annular cavity, a first cavity is formed in the first separating cylinder in a hollow mode, and the bottom of the first cavity is opened to communicate the first cavity with the first annular cavity;
a first inlet nipple fixed relative to the shell-side barrel and in opposition to and in communication with the headspace of the first annular chamber;
a first outlet nipple fixed relative to the shell side barrel and opposite to and in communication with the headspace of the first chamber;
the second separation barrel extends up and down and is arranged in the second part, the outer peripheral wall of the second separation barrel is opposite to the inner peripheral wall of the second part at intervals to form a second annular cavity, a second cavity is formed in the second separation barrel, and the top of the second cavity is opened to communicate the second cavity with the second annular cavity;
the second inlet connecting pipe is fixed relative to the shell side cylinder body, and is opposite to and communicated with the bottom space of the second annular cavity;
and the second outlet connecting pipe is fixed relative to the shell side cylinder body, is opposite to and communicated with the bottom space of the second chamber.
Therefore, the first medium and the second medium with proper temperatures can be respectively input into the corresponding first inlet connecting pipe and the second inlet connecting pipe according to the temperature of the reaction materials, and the first part filled with the first medium and the second part filled with the second medium enable the wall temperature of the central cylinder to be matched with the temperature of the corresponding reaction materials so as to promote exothermic and endothermic reactions in the reaction process, thereby promoting the mixing effect.
In order to further promote the reaction, it is preferable that a plurality of heat exchange tubes spirally wound around the outer periphery of the central tube are used as one group, at least three groups are provided up and down, at least one group of heat exchange tubes is provided around the outer periphery of the first portion of the central tube, and at least one group of heat exchange tubes is provided around the outer periphery of the second portion of the central tube.
Preferably, the heat exchange tubes have three groups, wherein a first group of heat exchange tubes and a second group of heat exchange tubes are arranged on the periphery of a first part of the central cylinder one by one, and a third group of heat exchange tubes are arranged on the periphery of a second part of the central cylinder; or, the first group of heat exchange tubes are positioned at the periphery of the first part of the central cylinder, and the second group of heat exchange tubes and the third group of heat exchange tubes are positioned at the periphery of the second part of the central cylinder one by one;
an upper tube plate and a lower tube plate are respectively arranged at the upper end and the lower end of the shell side cylinder body, an upper tube box is arranged on the upper side of the upper tube plate, and a lower tube box is arranged on the lower side of the lower tube plate; the upper pipe box is provided with a first pipe side connecting pipe, and the lower pipe box is provided with a second pipe side connecting pipe; the upper ends of the first group of heat exchange tubes are supported on an upper tube plate and are communicated with the first tube side connecting tubes, and the lower ends of the third group of heat exchange tubes are supported on a lower tube plate and are communicated with the second tube side connecting tubes;
meanwhile, a first side tube plate, a first side tube box and a first side connecting tube are arranged on the side wall of the shell side cylinder body at positions corresponding to the lower ends of the first group of heat exchange tubes, and the lower ends of the first group of heat exchange tubes are supported on the first side tube plate and are communicated with the first side connecting tube through the first side tube box;
the side wall of the shell side cylinder body is provided with a second side tube plate, a second side tube box and a second side connecting tube corresponding to the upper end of the second group of heat exchange tubes, and the upper end of the second group of heat exchange tubes is supported on the second side tube plate and communicated with the second side connecting tube through the second side tube box;
a third side tube plate, a third side tube box and a third side connecting tube are arranged on the side wall of the shell side cylinder body corresponding to the lower end of the second group of heat exchange tubes, and the lower end of the second group of heat exchange tubes is supported on the third side tube plate and communicated with the third side connecting tube through the third side tube box;
the side wall of the shell side cylinder body is provided with a fourth side tube plate, a fourth side tube box and a fourth side connecting tube corresponding to the upper end of the third group of heat exchange tubes, and the upper end of the third group of heat exchange tubes is supported on the fourth side tube plate and communicated with the fourth side connecting tube through the fourth side tube box.
Thus, the heat exchange mediums with different temperatures can be input into the corresponding groups of heat exchange pipes according to the heat release and heat absorption conditions in the reaction process, so that the reaction is promoted.
Preferably, the first portion of the central tube has an extension length in the up-down direction greater than that of the second portion, the first and second groups of heat exchange tubes are located one above the other on the outer periphery of the first portion of the central tube, and the third group of heat exchange tubes are located on the outer periphery of the second portion of the central tube.
Preferably, the first side tube plate and the second side tube plate are in a ring shape extending around the circumference of the shell side cylinder body and are connected into a whole one by one; the first side tube box and the second side tube box are annular extending along the circumferential direction of the shell side cylinder body and are respectively positioned at the peripheries of the corresponding first side tube plate and the corresponding second side tube plate;
the third side tube plate and the fourth side tube plate are annular extending around the circumference of the shell side cylinder body and are connected into a whole one by one; the third side tube box and the fourth side tube box are annular extending along the circumferential direction of the shell-side cylinder body and are respectively positioned at the periphery of the corresponding third side tube plate and the periphery of the corresponding fourth side tube plate;
the lower ends of the first group of heat exchange tubes are circumferentially spaced apart on the first side tube sheet, the upper ends of the second group of heat exchange tubes are circumferentially spaced apart on the second side tube sheet, the lower ends of the second group of heat exchange tubes are circumferentially spaced apart on the third side tube sheet, and the upper ends of the third group of heat exchange tubes are circumferentially spaced apart on the fourth side tube sheet.
Therefore, the heat exchange tubes are uniformly distributed in the whole shell-side cylinder body, the smooth progress of the reaction is ensured, and the structure of the utility model can ensure that the interval between two adjacent groups of heat exchange tubes is smaller, and the structure is more compact.
Further, the interval between two adjacent groups of heat exchange tubes in the up-down direction is 20-50 mm.
Preferably, the upper end of the central cylinder is supported on an upper tube plate, the upper end of the first inlet connecting tube is positioned above the upper tube box, and the lower end of the first inlet connecting tube passes through the upper tube box and the upper tube plate and is opposite to and communicated with the top space of the first annular cavity; the upper end of the first outlet connecting pipe is positioned above the upper pipe box, and the lower end of the first outlet connecting pipe passes through the upper pipe box and the upper pipe plate and is opposite to and communicated with the top space of the first chamber;
the lower end of the central cylinder is supported on a lower tube plate, the lower end of the second inlet connecting tube is positioned below the lower tube box, and the upper end of the second inlet connecting tube passes through the lower tube box and the lower tube plate and is opposite to and communicated with the bottom space of the second annular cavity; the lower end of the second outlet connecting pipe is positioned below the lower pipe box, and the upper end of the second outlet connecting pipe passes through the lower pipe box and the lower pipe plate and is opposite to and communicated with the bottom space of the second chamber.
Further, the first inlet connection pipe, the first outlet connection pipe, the second inlet connection pipe and/or the second outlet connection pipe are/is bent pipes. The temperature difference stress of the bent pipe can be reduced due to inconsistent temperatures of the pipe and the shell side.
In the above scheme, preferably, the upper end of the reactant inlet connecting pipe is located above the upper pipe box, and the lower end of the reactant inlet connecting pipe extends downwards and passes through the upper pipe box and the upper pipe plate to be opposite to and communicated with the top space of the reaction cavity;
the lower end of the reaction material outlet connecting pipe is positioned below the lower pipe box, and the upper end extends upwards and passes through the lower pipe box and the lower pipe plate and then is opposite to and communicated with the bottom space of the reaction cavity.
Preferably, the part of the reaction material inlet connection pipe is a first expansion joint structure, and the first expansion joint structure is positioned in the upper pipe box or above the upper pipe box;
the part of the reaction material outlet connecting pipe is a second expansion joint structure which is positioned in the lower pipe box or below the lower pipe box. Because the tube and shell pass temperatures are inconsistent, expansion is energy-saving and temperature difference stress is reduced.
Preferably, a stirring mechanism is arranged in the reaction material inlet connecting pipe and/or the reaction material outlet connecting pipe. The stirring mechanism can promote heat exchange uniformity.
In the above schemes, in order to further ensure the reaction effect, preferably, the heat-insulating sleeve is further included, and is sleeved on the outer peripheral wall of the shell side cylinder, and the number of the heat-insulating sleeves is consistent with the number of the groups of the heat exchange tubes, and the heat-insulating sleeves are respectively arranged corresponding to the respective heat exchange tubes.
Preferably, the heat preservation sleeve is in a cylinder shape extending up and down, the inner peripheral wall of the heat preservation sleeve is opposite to the outer peripheral wall of the shell side cylinder body to form an annular heat preservation cavity, and the upper end and the lower end of the annular heat preservation cavity are respectively provided with a heat preservation medium inlet connection pipe and a heat preservation medium outlet connection pipe.
Also preferably, the heat preservation sleeve is a coiled pipe structure spirally coiled from top to bottom, and the upper end and the lower end of the heat preservation sleeve are respectively connected with a heat preservation medium inlet connection pipe and a heat preservation medium outlet connection pipe.
Therefore, a medium with proper temperature can be selected according to the temperature of the reaction materials and input into the corresponding heat preservation sleeve, so that the wall temperature of the shell side cylinder body can be matched with the temperature of the corresponding reaction materials, and exothermic and endothermic reactions in the reaction process are promoted.
Compared with the prior art, the utility model has the advantages that: by arranging the partition plate in the central cylinder, the utility model can select the first medium and the second medium with proper temperatures to be respectively input into the corresponding first inlet connecting pipe and the corresponding second inlet connecting pipe according to the temperature of the reaction materials, and the first part filled with the first medium and the second part filled with the second medium can enable the cylinder wall temperature of the central cylinder to be matched with the temperature of the corresponding reaction materials so as to promote exothermic and endothermic reactions in the reaction process, thereby promoting the mixing effect.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic view of a distribution structure of each group of heat exchange tubes in FIG. 1;
FIG. 3 is a schematic structural diagram of a second embodiment of the present utility model;
FIG. 4 is a schematic structural diagram of a third embodiment of the present utility model;
FIG. 5 is a schematic diagram of a fourth embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a fifth embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
Embodiment one:
as shown in fig. 1 and 2, a static mixing reactor according to a preferred embodiment of the present utility model comprises a shell side cylinder 1, a central cylinder 3 and a heat exchange tube 4.
The shell side cylinder 1 is vertically arranged, and a reaction cavity 10 extending up and down is formed in the interior of the shell side cylinder. The upper end and the lower end of the shell-side cylinder body 1 are respectively provided with an upper tube plate 11 and a lower tube plate 12, the upper side of the upper tube plate 11 is provided with an upper tube box 13, and the upper tube box 13 is provided with a first tube-side connecting tube 131; the lower tube sheet 12 is provided with a lower tube box 14 on the lower side, and the lower tube box 14 is provided with a second tube side connection tube 141. The static mixing reactor further comprises a reaction material inlet connecting pipe 2a and a reaction material outlet connecting pipe 2b (the reaction material can be acrylonitrile, dimer, ethylbenzene, antioxidant, rubber, styrene, trimer, polymer of acrylonitrile-styrene and the like), the upper end of the reaction material inlet connecting pipe 2a is positioned above the upper pipe box 13, the lower end extends downwards and passes through the upper pipe box 13 and the upper pipe plate 11 and is opposite to and communicated with the top space of the reaction cavity 10, and the part of the reaction material inlet connecting pipe 2a is provided with a first expansion joint structure 21, and the first expansion joint structure 21 is positioned above the upper pipe box 13; the lower end of the reaction material outlet connection pipe 2b is positioned below the lower tube box 14, the upper end extends upwards and passes through the lower tube box 14 and the lower tube plate 12 to be opposite to and communicated with the bottom space of the reaction cavity 10, and the part of the reaction material outlet connection pipe 2b is a second expansion joint structure 22, and the second expansion joint structure 22 is positioned below the lower tube box 14.
The central cylinder 3 is vertically arranged in the shell-side cylinder body 1, the upper end of the central cylinder 3 is supported on the upper tube plate 11, and the lower end of the central cylinder 3 is supported on the lower tube plate 12. The central cylinder 3 is hollow, and is provided with a partition plate 30, the partition plate 30 divides the inner space of the central cylinder 3 into two parts along the up-down direction, namely a first part 3a and a second part 3b positioned below the first part 3a, and the extension length of the first part 3a along the up-down direction is larger than the extension length of the second part 3 b.
Meanwhile, a first division cylinder 31 extending up and down is arranged in the first part 3a, the outer peripheral wall of the first division cylinder 31 is opposite to the inner peripheral wall of the first part 3a at intervals to form a first annular cavity 310, a first chamber 311 is formed in the first division cylinder 31 in a hollow mode, and the bottom of the first chamber 311 is opened to communicate the first chamber 311 with the first annular cavity 310. The static mixing reactor further comprises a first inlet connecting pipe 31a and a first outlet connecting pipe 31b, wherein the upper end of the first inlet connecting pipe 31a is positioned above the upper pipe box 13, and the lower end of the first inlet connecting pipe 31a passes through the upper pipe box 13 and the upper pipe plate 11 and is opposite to and communicated with the top space of the first annular cavity 310; the upper end of the first outlet nipple 31b is located above the upper tube box 13, and the lower end of the first outlet nipple 31b is opposite to and communicates with the head space of the first chamber 311 after passing through the upper tube box 13 and the upper tube sheet 11. And the first inlet connection pipe 31a and the first outlet connection pipe 31b are bent pipes.
A second partition cylinder 32 extending up and down is arranged in the second part 3b, the outer peripheral wall of the second partition cylinder 32 is opposite to the inner peripheral wall of the second part 3b at intervals to form a second annular cavity 320, a second cavity 321 is formed in the second partition cylinder 32, and the top of the second cavity 321 is opened to communicate the second cavity 321 with the second annular cavity 320. The static mixing reactor further comprises a second inlet connecting pipe 32a and a second outlet connecting pipe 32b, wherein the lower end of the second inlet connecting pipe 32a is positioned below the lower pipe box 14, and the upper end of the second inlet connecting pipe 32a passes through the lower pipe box 14 and the lower pipe plate 12 and is opposite to and communicated with the bottom space of the second annular cavity 320; the lower end of the second outlet nipple 32b is located below the lower tube box 14, and the upper end of the second outlet nipple 32b is opposite to and communicates with the bottom space of the second chamber 321 after passing through the lower tube box 14 and the lower tube sheet 12. And the second inlet nipple 32a and/or the second outlet nipple 32b are bent tubes.
The heat exchange tubes 4 are axially arranged in the shell-side cylinder body 1 and spirally wound on the periphery of the central cylinder 3 from inside to outside, the spiral angle of each heat exchange tube 4 is 20-50 degrees, and the interval between every two adjacent heat exchange tubes is 20-25 mm. The heat exchange tubes spirally wound around the outer periphery of the central tube are three groups, wherein the first group of heat exchange tubes 41 and the second group of heat exchange tubes 42 are arranged on the outer periphery of the first part 3a of the central tube 3 one by one, the upper ends of the first group of heat exchange tubes 41 are supported on the upper tube plate 11 and are communicated with the first tube side connecting tube 131, the third group of heat exchange tubes 43 are arranged on the outer periphery of the second part 3b of the central tube 3, and the lower ends of the third group of heat exchange tubes 43 are supported on the lower tube plate 12 and are communicated with the second tube side connecting tube 141.
Meanwhile, a first side tube plate 51, a first side tube box 511 and a first side connection tube 512 are arranged on the side wall of the shell-side cylinder 1 corresponding to the lower end of the first group of heat exchange tubes 41, and the lower end of the first group of heat exchange tubes 41 is supported on the first side tube plate 51 and is communicated with the first side connection tube 512 through the first side tube box 511. The side wall of the shell-side cylinder 1 is provided with a second side tube plate 52, a second side tube box 521 and a second side connecting tube 522 corresponding to the upper end of the second group of heat exchange tubes 42, and the upper end of the second group of heat exchange tubes 42 is supported on the second side tube plate 52 and is communicated with the second side connecting tube 522 through the second side tube box 521. In this embodiment, in order to make the spacing between the lower ends of the first group of heat exchange tubes 41 and the upper ends of the second group of heat exchange tubes 42 in the up-down direction be 20-50 mm, the first side tube plate 51 and the second side tube plate 52 are all in a ring shape extending around the circumference of the shell side cylinder 1, and are integrally connected one above the other; the first side tube box 511 and the second side tube box 521 are respectively in a ring shape extending along the circumferential direction of the shell-side cylinder body 1, and are respectively positioned at the periphery of the corresponding first side tube plate and the second side tube plate, the lower ends of the first group of heat exchange tubes 41 are arranged on the first side tube plate 51 at intervals along the circumferential direction, and the upper ends of the second group of heat exchange tubes 42 are arranged on the second side tube plate 52 at intervals along the circumferential direction.
Similarly, a third side tube plate 53, a third side tube box 531 and a third side tube 532 are provided on the side wall of the shell-side tube 1 corresponding to the lower ends of the second group of heat exchange tubes 42, and the lower ends of the second group of heat exchange tubes 42 are supported by the third side tube plate 53 and communicate with the third side tube 532 through the third side tube box 531. The side wall of the shell-side cylinder 1 is provided with a fourth side tube plate 54, a fourth side tube box 541 and a fourth side connecting tube 542 corresponding to the upper end of the third group of heat exchange tubes 43, and the upper end of the third group of heat exchange tubes 43 is supported on the fourth side tube plate 54 and is communicated with the fourth side connecting tube 542 through the fourth side tube box 541. In order to make the interval between the lower ends of the second group of heat exchange tubes 42 and the upper ends of the third group of heat exchange tubes 43 in the up-down direction be 20-50 mm, the third side tube plate 53 and the fourth side tube plate 54 are all in the shape of rings extending around the circumference of the shell-side cylinder 1 and are integrally connected one by one, the third side tube box 531 and the fourth side tube box 541 are all in the shape of rings extending along the circumference of the shell-side cylinder 1 and are respectively positioned at the periphery of the corresponding third side tube plate and the fourth side tube plate, the lower ends of the second group of heat exchange tubes 42 are arranged on the third side tube plate 53 at intervals in the circumferential direction, and the upper ends of the third group of heat exchange tubes 43 are arranged on the fourth side tube plate 54 at intervals in the circumferential direction.
In this way, according to the temperature of the reaction materials, the first medium and the second medium with appropriate temperatures can be respectively input into the corresponding first inlet connection pipe 31a and second inlet connection pipe 32a, and the first part filled with the first medium and the second part filled with the second medium enable the wall temperature of the central cylinder to be matched with the temperature of the corresponding reaction materials, so as to promote exothermic and endothermic reactions in the reaction process. Meanwhile, the heat exchange tubes 4 are designed into 3 groups, and heat exchange mediums with different temperatures can be input into the heat exchange tubes 4 of the corresponding group according to heat release and heat absorption conditions in the reaction process, so that the reaction is promoted.
Embodiment two:
as shown in fig. 3, a third preferred embodiment of a static mixing reactor according to the present utility model is basically the same as the first embodiment except that stirring means are provided in each of the reactant inlet connection pipe 2a and the reactant outlet connection pipe 2 b.
Embodiment III:
as shown in fig. 4, a third preferred embodiment of a static mixing reactor according to the present utility model is basically the same as the first embodiment, except that in this embodiment, the first expansion joint structure 21 is located in the upper pipe box 13, and the second expansion joint structure 22 is located in the lower pipe box 14.
Embodiment four:
as shown in fig. 5, which is a preferred embodiment of a static mixing reactor according to the present utility model, the present embodiment is basically the same as the first embodiment, except that the static mixing reactor in this embodiment further includes a heat insulation sleeve 6, which is sleeved on the outer peripheral wall of the shell-side cylinder 1, and the number of the heat insulation sleeves 6 is identical to the number of the groups of the heat exchange tubes 4, and is respectively disposed corresponding to the respective heat exchange tubes 4. Meanwhile, each heat preservation sleeve 6 is in a cylinder shape extending up and down, the inner peripheral wall of the heat preservation sleeve 6 is opposite to the outer peripheral wall of the shell side cylinder 1 to form an annular heat preservation cavity 60, and the upper end and the lower end of the annular heat preservation cavity 60 are respectively provided with a heat preservation medium inlet connection pipe 6a and a heat preservation medium outlet connection pipe 6b.
Fifth embodiment:
as shown in fig. 6, a static mixing reactor according to a preferred embodiment of the present utility model is the same as the fourth embodiment, except that the heat insulation sleeve 6 has a different structure, specifically, the heat insulation sleeve 6 of the present embodiment has a coiled pipe structure spirally wound from top to bottom, and the upper and lower ends thereof are respectively connected with a heat insulation medium inlet connection pipe 6a and a heat insulation medium outlet connection pipe 6b.
Claims (13)
1. A static mixing reactor comprising:
the shell side cylinder body (1) is vertically arranged, and a reaction cavity (10) is formed in the shell side cylinder body in a hollow mode;
a reaction material inlet connecting pipe (2 a) is fixed relative to the shell side cylinder (1) and is opposite to and communicated with the top space of the reaction cavity (10);
a reaction material outlet connecting pipe (2 b) is fixed relative to the shell side cylinder (1) and is opposite to and communicated with the bottom space of the reaction cavity (10);
the hollow center cylinder (3) is arranged in the shell side cylinder body (1) and extends up and down;
a plurality of heat exchange tubes (4) are axially arranged in the shell-side cylinder body (1) and spirally wound on the periphery of the central cylinder (3) from inside to outside;
it is characterized in that the method also comprises the following steps:
the partition plate (30) is transversely arranged in the central cylinder (3) and divides the inner space of the central cylinder (3) into at least two parts along the up-down direction, namely a first part (3 a) and a second part (3 b) positioned below the first part (3 a);
a first separation cylinder (31) extending up and down and arranged in the first part (3 a), wherein the outer peripheral wall of the first separation cylinder (31) is opposite to the inner peripheral wall of the first part (3 a) at intervals to form a first annular cavity (310), a first chamber (311) is formed in the first separation cylinder (31), and the bottom of the first chamber (311) is opened to communicate the first chamber (311) with the first annular cavity (310);
a first inlet nipple (31 a) fixed with respect to the shell-side cylinder (1) and opposite to and in communication with the head space of said first annular chamber (310);
a first outlet nipple (31 b) fixed with respect to the shell-side cylinder (1) and opposite to and in communication with the head space of said first chamber (311);
a second partition cylinder (32) extending up and down and arranged in the second part (3 b), wherein the outer peripheral wall of the second partition cylinder (32) is opposite to the inner peripheral wall of the second part (3 b) at intervals to form a second annular cavity (320), a second cavity (321) is formed in the second partition cylinder (32), and the top of the second cavity (321) is opened to communicate the second cavity (321) with the second annular cavity (320);
a second inlet nipple (32 a) fixed with respect to the shell-side cylinder (1) and opposite to and in communication with the bottom space of said second annular chamber (320);
a second outlet nipple (32 b) is fixed with respect to the shell-side cylinder (1) and is in opposition to and in communication with the bottom space of said second chamber (321).
2. The static mixing reactor according to claim 1, wherein: the heat exchange tubes spirally wound around the periphery of the central tube are used as one group, at least three groups are arranged up and down, at least one group of heat exchange tubes is arranged on the periphery of the first part (3 a) of the central tube (3), and at least one group of heat exchange tubes is arranged on the periphery of the second part (3 b) of the central tube (3).
3. The static mixing reactor according to claim 2, characterized in that: the heat exchange tubes are in three groups, wherein a first group of heat exchange tubes (41) and a second group of heat exchange tubes (42) are arranged on the periphery of a first part (3 a) of the central cylinder (3) one by one, and a third group of heat exchange tubes (43) are arranged on the periphery of a second part (3 b) of the central cylinder (3); or, the first group of heat exchange tubes (41) are positioned at the periphery of the first part (3 a) of the central cylinder (3), the second group of heat exchange tubes (42) and the third group of heat exchange tubes (43) are positioned at the periphery of the second part (3 b) of the central cylinder (3) one by one;
an upper tube plate (11) and a lower tube plate (12) are respectively arranged at the upper end and the lower end of the shell side cylinder body (1), an upper tube box (13) is arranged on the upper side of the upper tube plate (11), and a lower tube box (14) is arranged on the lower side of the lower tube plate (12); the upper tube box (13) is provided with a first tube side connecting tube (131), and the lower tube box (14) is provided with a second tube side connecting tube (141); the upper ends of the first group of heat exchange tubes (41) are supported on an upper tube plate (11) and are communicated with the first tube side connecting tubes (131), and the lower ends of the third group of heat exchange tubes (43) are supported on a lower tube plate (12) and are communicated with the second tube side connecting tubes (141);
meanwhile, a first side tube plate (51), a first side tube box (511) and a first side connecting tube (512) are arranged on the side wall of the shell side cylinder (1) corresponding to the lower end of the first group of heat exchange tubes (41), and the lower end of the first group of heat exchange tubes (41) is supported on the first side tube plate (51) and communicated with the first side connecting tube (512) through the first side tube box (511);
the side wall of the shell side cylinder (1) is provided with a second side tube plate (52), a second side tube box (521) and a second side connecting tube (522) corresponding to the upper end of the second group of heat exchange tubes (42), and the upper end of the second group of heat exchange tubes (42) is supported on the second side tube plate (52) and communicated with the second side connecting tube (522) through the second side tube box (521);
a third side tube plate (53), a third side tube box (531) and a third side connecting tube (532) are arranged on the side wall of the shell side cylinder (1) corresponding to the lower end of the second group of heat exchange tubes (42), and the lower end of the second group of heat exchange tubes (42) is supported on the third side tube plate (53) and communicated with the third side connecting tube (532) through the third side tube box (531);
the side wall of the shell side cylinder body (1) is provided with a fourth side tube plate (54), a fourth side tube box (541) and a fourth side connecting tube (542) corresponding to the upper end of the third group of heat exchange tubes (43), and the upper end of the third group of heat exchange tubes (43) is supported on the fourth side tube plate (54) and communicated with the fourth side connecting tube (542) through the fourth side tube box (541).
4. A static mixing reactor according to claim 3, characterized in that: the first part (3 a) of the central cylinder (3) has a longer extension in the up-down direction than the second part (3 b), the first group of heat exchange tubes (41) and the second group of heat exchange tubes (42) are arranged on the periphery of the first part (3 a) of the central cylinder (3) one by one, and the third group of heat exchange tubes (43) are arranged on the periphery of the second part (3 b) of the central cylinder (3).
5. A static mixing reactor according to claim 3, characterized in that: the first side tube plate (51) and the second side tube plate (52) are annular extending around the circumference of the shell side cylinder body (1) and are connected into a whole one by one; the first side tube box (511) and the second side tube box (521) are annular extending along the circumferential direction of the shell-side cylinder body (1) and are respectively positioned at the peripheries of the corresponding first side tube plate and the corresponding second side tube plate;
the third side tube plate (53) and the fourth side tube plate (54) are annular extending around the circumference of the shell side cylinder body (1) and are connected into a whole one by one; the third side tube box (531) and the fourth side tube box (541) are respectively in a ring shape extending along the circumferential direction of the shell-side cylinder body (1) and are respectively positioned at the periphery of the corresponding third side tube plate and the periphery of the corresponding fourth side tube plate;
the lower ends of the first group of heat exchange tubes (41) are circumferentially arranged on a first side tube plate (51) at intervals, the upper ends of the second group of heat exchange tubes (42) are circumferentially arranged on a second side tube plate (52) at intervals, the lower ends of the second group of heat exchange tubes (42) are circumferentially arranged on a third side tube plate (53) at intervals, and the upper ends of the third group of heat exchange tubes (43) are circumferentially arranged on a fourth side tube plate (54) at intervals.
6. A static mixing reactor according to claim 3, characterized in that: the upper end of the central cylinder (3) is supported on an upper tube plate (11), the upper end of the first inlet connecting tube (31 a) is positioned above the upper tube box (13), and the lower end of the first inlet connecting tube (31 a) passes through the upper tube box (13) and the upper tube plate (11) and is opposite to and communicated with the top space of the first annular cavity (310); the upper end of the first outlet connecting pipe (31 b) is positioned above the upper pipe box (13), and the lower end of the first outlet connecting pipe (31 b) passes through the upper pipe box (13) and the upper pipe plate (11) and is opposite to and communicated with the top space of the first chamber (311);
the lower end of the central cylinder (3) is supported on a lower tube plate (12), the lower end of the second inlet connecting tube (32 a) is positioned below the lower tube box (14), and the upper end of the second inlet connecting tube (32 a) passes through the lower tube box (14) and the lower tube plate (12) and is opposite to and communicated with the bottom space of the second annular cavity (320); the lower end of the second outlet connecting pipe (32 b) is positioned below the lower pipe box (14), and the upper end of the second outlet connecting pipe (32 b) passes through the lower pipe box (14) and the lower pipe plate (12) and is opposite to and communicated with the bottom space of the second cavity (321).
7. The static mixing reactor of claim 6, wherein: the first inlet connection (31 a), the first outlet connection (31 b), the second inlet connection (32 a) and/or the second outlet connection (32 b) are/is bent pipes.
8. A static mixing reactor according to claim 3, characterized in that: the upper end of the reaction material inlet connecting pipe (2 a) is positioned above the upper pipe box (13), and the lower end of the reaction material inlet connecting pipe extends downwards and passes through the upper pipe box (13) and the upper pipe plate (11) to be opposite to and communicated with the top space of the reaction cavity (10);
the lower end of the reaction material outlet connecting pipe (2 b) is positioned below the lower pipe box (14), and the upper end extends upwards and passes through the lower pipe box (14) and the lower pipe plate (12) to be opposite to and communicated with the bottom space of the reaction cavity (10).
9. The static mixing reactor of claim 8, wherein: the part of the reaction material inlet connecting pipe (2 a) is a first expansion joint structure (21), and the first expansion joint structure (21) is positioned in the upper pipe box (13) or above the upper pipe box (13);
the part of the reaction material outlet connecting pipe (2 b) is a second expansion joint structure (22), and the second expansion joint structure (22) is positioned in the lower pipe box (14) or positioned below the lower pipe box (14).
10. The static mixing reactor of claim 8, wherein: and stirring mechanisms are arranged in the reaction material inlet connecting pipe (2 a) and/or the reaction material outlet connecting pipe (2 b).
11. The static mixing reactor according to any one of claims 2 to 10, characterized in that: the heat-insulating sleeve (6) is sleeved on the outer peripheral wall of the shell-side cylinder body (1), the number of the heat-insulating sleeves (6) is consistent with the number of the groups of the heat exchange tubes (4), and the heat-insulating sleeves are respectively arranged corresponding to the respective heat exchange tubes (4).
12. The static mixing reactor according to claim 11, wherein: the heat preservation sleeve (6) is in a cylinder shape extending up and down, an annular heat preservation cavity (60) is formed by the inner peripheral wall of the heat preservation sleeve (6) and the outer peripheral wall of the shell side cylinder body (1), and the upper end and the lower end of the annular heat preservation cavity (60) are respectively provided with a heat preservation medium inlet connecting pipe (6 a) and a heat preservation medium outlet connecting pipe (6 b).
13. The static mixing reactor according to claim 11, wherein: the heat preservation sleeve (6) is of a coiled pipe structure spirally coiled from top to bottom, and the upper end and the lower end of the heat preservation sleeve are respectively connected with a heat preservation medium inlet connecting pipe (6 a) and a heat preservation medium outlet connecting pipe (6 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776941.9U CN219377153U (en) | 2023-03-30 | 2023-03-30 | Static mixing reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320776941.9U CN219377153U (en) | 2023-03-30 | 2023-03-30 | Static mixing reactor |
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| Publication Number | Publication Date |
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| CN219377153U true CN219377153U (en) | 2023-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320776941.9U Active CN219377153U (en) | 2023-03-30 | 2023-03-30 | Static mixing reactor |
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| Country | Link |
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| CN (1) | CN219377153U (en) |
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