Air inlet mechanism of horizontal reaction kettle

Abstract

The utility model discloses an air inlet mechanism of a horizontal reaction kettle, which is mounted in an air inlet pipe orifice at the bottom of the reaction kettle and comprises an air inlet flow guide component positioned at the lower part of the air inlet pipe orifice and an air inlet opening and closing component positioned at the upper part of the air inlet pipe orifice, the air inlet flow guide component comprises a connecting pipe, and the upper part of the connecting pipe is arranged in the air inlet pipe orifice; the lower part of the connecting pipe is arranged outside the air inlet pipe opening; the air inlet opening and closing assembly comprises a supporting cylinder, and the lower portion of the supporting cylinder is in threaded connection with the air inlet flow guide assembly. A sealing plate is horizontally arranged in the middle of the supporting barrel, a mounting hole and a vent hole are formed in the sealing plate, a moving rod is movably arranged in the mounting hole, a baffle is arranged at the upper end of the moving rod and located at the top of the supporting barrel, and opening or closing of the air inlet opening and closing assembly is achieved in the vertical moving process of the baffle. The gas inlet mechanism ensures that the reaction gas smoothly enters the reaction kettle, and also ensures that impurities and reaction media in the reaction kettle do not block the gas inlet mechanism and the gas inlet pipe orifice.

Description

Technical Field

[0001] This utility model relates to the field of pressure vessel technology, specifically to an air inlet mechanism for a horizontal reactor. Background Technology

[0002] Horizontal reactors are typically equipped with an inlet gas inlet, which plays a crucial role in achieving reaction conditions, maintaining equipment safety, and improving production efficiency. Generally, the inlet gas inlet is located at the top or side of the reactor and is inserted into the bottom via an internal extension tube to control the gas reaction. For large horizontal reactors, especially those with wall scraping and stirring, the top-mounted internal extension tube structure is unsuitable. In such cases, the inlet gas inlet needs to be located at the bottom. However, if located at the bottom, solid particles or droplets inside the reactor can easily enter the inlet gas inlet and form deposits, potentially blocking it and leading to a decrease in the reaction rate or uneven reaction within the reactor. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a horizontal reactor gas inlet mechanism, which is set in the gas inlet at the bottom of the reactor. While ensuring that the reaction gas enters the reactor smoothly, it also ensures that impurities and reaction media in the reactor do not block the gas inlet mechanism and gas inlet.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0005] A horizontal reactor inlet mechanism, installed inside the inlet pipe at the bottom of the reactor, includes:

[0006] An air intake guide assembly located at the lower part of the air intake port includes a connecting pipe, the upper part of which is disposed inside the air intake port, and the lower part of which is disposed outside the air intake port and detachably connected to the air intake port.

[0007] An intake opening and closing assembly is located at the upper part of the intake pipe. The intake opening and closing assembly includes a support cylinder. The lower part of the support cylinder is threadedly connected to the intake guide assembly. A sealing plate is horizontally arranged in the middle of the support cylinder. The sealing plate is provided with a mounting hole and a vent hole. A movable rod is movably arranged in the mounting hole. A baffle is provided at the upper end of the movable rod and the baffle is located at the top of the support cylinder. The intake opening and closing assembly is realized by the up and down movement of the baffle.

[0008] Preferably, the air intake guide assembly further includes an annular cap, which is sleeved on the outer ring of the upper end of the connecting pipe and is fixedly connected to the connecting pipe.

[0009] Preferably, the lower part of the supporting cylinder is internally threaded, the upper part of the annular gland is externally threaded, and the lower part of the supporting cylinder is threadedly connected with the upper part of the annular gland.

[0010] Preferably, the annular gland is convexly stepped, the lower part of the supporting cylinder is threadedly connected with the upper step of the annular gland, and the outer diameter of the lower step of the annular gland is smaller than the inner diameter of the gas inlet pipe.

[0011] Preferably, the bottom end of the gas inlet pipe is fixedly provided with a first flange, the lower part of the connecting pipe is fixedly provided with a second flange, and the connecting pipe is detachably connected with the gas inlet pipe through the first flange, the second flange and bolts.

[0012] Preferably, the sealing plate divides the supporting cylinder into a first chamber located at the upper part and a second chamber located at the lower part, the first chamber is in communication with the inside of the reaction kettle, the second chamber is in communication with the connecting pipe, and the first chamber and the second chamber are in communication through the air vent.

[0013] Preferably, the baffle is arranged at the top of the first chamber of the supporting cylinder, the cross section of the baffle is trapezoidal with the upper part being wide and the lower part being narrow, and the top end of the first chamber is provided with a flared portion matching the shape of the baffle.

[0014] Preferably, the lower end of the moving rod extends out of the mounting hole, and the part of the moving rod located below the sealing plate is provided with a flux adjusting member capable of being adjusted up and down along the moving rod, a gap is arranged between the flux adjusting member and the sealing plate, and the size of the flux adjusting member is greater than the diameter of the mounting hole.

[0015] Preferably, the mounting hole on the sealing plate is arranged at the center of the sealing plate, the air vent on the sealing plate is arranged with a plurality of air vents, and the plurality of air vents are uniformly distributed around the mounting hole.

[0016] Preferably, the outer ring of the supporting cylinder is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.

[0017] The utility model discloses beneficial effects are:

[0018] (1) the utility model provides a horizontal reaction kettle gas inlet mechanism, installs in the gas inlet pipe of horizontal reaction kettle bottom, including gas inlet flow guide subassembly and gas inlet open -close subassembly, its gas inlet flow guide subassembly is used for with the gas inlet pipeline of outside connection and gas flow guide to the gas inlet open -close subassembly, gas inlet open -close subassembly is used for control gas inlet mechanism's opening and close and make the reaction gas enter horizontal reaction kettle, and when not pass into the reaction gas, can close gas inlet mechanism, prevent the impurity particle and reaction medium in horizontal reaction kettle and enter the inside of gas inlet mechanism and block it and influence the reaction gas to enter, and further lead to appear the phenomenon of the reaction rate in reaction kettle to drop or the reaction uneven,

[0019] (2) The air inlet opening and closing assembly in the utility model comprises a supporting cylinder, and the middle part of the supporting cylinder is provided with an enclosing plate, the supporting cylinder and the enclosing plate are integrally formed, the lower threaded part of the supporting cylinder is in threaded connection with the gland of the air inlet flow guide assembly, so that the two are connected into one; the middle part of the supporting cylinder is provided with a plurality of evenly distributed air holes, so as to ensure that the gas uniformly enters the upper part from the lower part of the supporting cylinder; the upper part of the supporting cylinder is provided with a baffle at the top, the baffle can be separated from the supporting cylinder under the action of the high-pressure gas, so as to form a gas inlet, so that the gas enters the reaction kettle through the opened gas inlet, and the baffle is closed under the action of gravity after the high-pressure gas is stopped, so as to prevent the impurity particles and the reaction medium in the horizontal reaction kettle from entering the inside of the air inlet mechanism and depositing, and affect the air inlet speed; in addition, the supporting cylinder is further provided with a sealing ring outside, which is used for sealing the gap between the supporting cylinder and the air inlet pipe, so as to prevent the impurities and the reaction medium in the reaction kettle from entering the air inlet pipe;

[0020] (3) The air inlet opening and closing assembly further comprises a flux adjusting piece for adjusting the air inlet flux of the air inlet mechanism, the flux adjusting piece adjusts the air inlet flux by adjusting the size of the gas inlet formed when the baffle is separated from the supporting cylinder, the flux adjusting piece is arranged at the lower part of the moving rod and below the enclosing plate, the distance of the upward movement of the moving rod can be controlled through the flux adjusting piece, that is, the distance of the upward movement of the baffle can be controlled, when the flux adjusting piece is adjusted upward, the upward distance of the baffle is shortened, so that the opening degree of the gas inlet formed when the baffle is separated from the supporting cylinder is reduced, that is, the air inlet flux is reduced, on the contrary, the air inlet flux can be increased; in addition, the flux adjusting piece can also be used for preventing the moving rod from completely separating from the supporting cylinder and entering the horizontal reaction kettle during the upward movement of the moving rod, so as to play a blocking role. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to clearly illustrate the technical solutions of the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 It is the overall structure schematic diagram of the air inlet mechanism of the utility model;

[0023] Figure 2 It is the structure schematic diagram of the air inlet flow guide assembly of the utility model;

[0024] Figure 3 It is the structure schematic diagram of the air inlet opening and closing assembly of the utility model;

[0025] Figure 4It is the structure schematic view of the support cylinder body of the utility model;

[0026] Figure 5 It is the structure schematic view of the baffle and the moving rod of the utility model;

[0027] Figure 6 It is the process diagram of the air inlet mechanism from the closed state to the open state under the action of high pressure gas.

[0028] In the drawing, 1, air inlet pipe mouth, 2, air inlet pipeline, 3, horizontal reaction kettle, 4, air inlet flow guide assembly, 401, connecting pipe, 402, annular gland, 5, air inlet opening and closing assembly, 501, support cylinder body, 502, sealing plate, 503, baffle, 504, moving rod, 505, mounting hole, 506, air hole, 507, first chamber, 508, second chamber, 509, flux adjusting piece, 510, sealing ring, 6, first flange, 7, second flange. DETAILED DESCRIPTION

[0029] The utility model provides a kind of horizontal reaction kettle air inlet mechanism, to make the purpose, technical scheme and effect of the utility model more clear, definite, the following is further detailed to the utility model of the utility model.It should be understood that the specific embodiments described herein are merely intended to explain the utility model, and are not intended to limit the utility model.

[0030] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "top", "bottom" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0031] The utility model will be described in detail below with reference to the drawings:

[0032] With reference to Figure 1 , the embodiment provides a kind of horizontal reaction kettle air inlet mechanism, is installed in the air inlet pipe mouth 1 of horizontal reaction kettle 3 bottom, for the reaction gas from the air inlet pipeline 2 of outside into horizontal reaction kettle 3.The air inlet mechanism includes: air inlet flow guide assembly 4 in the lower part of air inlet pipe mouth 1 and air inlet opening and closing assembly 5 in the upper part of air inlet pipe mouth 1.Wherein, air inlet flow guide assembly 4 is communicated with the air inlet pipeline 2 of outside, for the reaction gas of air inlet pipeline 2 delivery air inlet flow guide assembly 5, air inlet opening and closing assembly 5 is communicated with horizontal reaction kettle 3, for the opening and closing of air inlet mechanism to be controlled to make the reaction gas enter horizontal reaction kettle 3, and when not pass into reaction gas, air inlet mechanism can be closed.

[0033] With reference to Figure 2The air inlet guide assembly 4 comprises a connecting pipe 401 and a ring-shaped gland 402. The specific structure and connection relationship are as follows:

[0034] The upper part of the connecting pipe 401 is arranged in the air inlet pipe 1, the lower part of the connecting pipe 401 is arranged outside the air inlet pipe 1 and is detachably connected with the air inlet pipe 1, and the bottom end of the connecting pipe 401 is connected to the air inlet pipe 2.

[0035] The ring-shaped gland 402 is sleeved on the outer circle of the upper end of the connecting pipe 401, and is fixedly connected with the connecting pipe 401, which can be fixed by welding. The ring-shaped gland 402 is specifically in the form of a convex step, that is, it comprises an upper step with a smaller diameter and a lower step with a larger diameter, and the outer diameter of the lower step is smaller than the inner diameter of the air inlet pipe 1.

[0036] In addition, in order to facilitate the installation of the air inlet guide assembly 4, a first flange 6 and a second flange 7 are respectively arranged and fixed at the bottom end of the air inlet pipe 1 and the lower part of the connecting pipe 401. The connecting pipe 401 and the air inlet pipe 1 are detachably connected through the first flange 6, the second flange 7 and bolts, and a sealing gasket is arranged between the first flange 6 and the second flange 7.

[0037] Referring to Figures 3 to 5 The air inlet opening and closing assembly 5 comprises a support cylinder 501, a sealing plate 502, a baffle 503 and a moving rod 504 arranged in the support cylinder 501. The specific structure and connection relationship are as follows:

[0038] The support cylinder 501 is sleeved in the air inlet pipe 1, the upper part of the support cylinder 501 is communicated with the horizontal reaction kettle 3, and the lower part of the support cylinder 501 is communicated with the air inlet guide assembly 4 and is screw-connected. In addition, the inner wall of the lower part of the support cylinder 501 is provided with an internal thread, the outer wall of the upper step of the ring-shaped gland 402 is provided with a matched external thread, the lower part of the support cylinder 501 is screw-connected with the upper step of the ring-shaped gland 402, and after screw connection, the bottom end of the support cylinder 501 is in contact with the top surface of the lower step of the ring-shaped gland 402.

[0039] The sealing plate 502 is integrally formed with the supporting cylinder 501, horizontally arranged at the middle part of the supporting cylinder 501, and provided with mounting holes 505 and air holes 506. The mounting holes 505 are arranged at the center of the sealing plate 502, and the air holes 506 are arranged around the mounting holes 505 and evenly distributed. The sum of the areas of the air holes 506 is not less than the inlet area, i.e. the area of the pipe opening of the connecting pipe 401. In addition, the sealing plate 502 divides the supporting cylinder 501 into a first chamber 507 at the upper part and a second chamber 508 at the lower part. The first chamber 507 is communicated with the horizontal reaction kettle 3, and the second chamber 508 is communicated with the connecting pipe 401. The first chamber 507 and the second chamber 508 are communicated through the air holes 506.

[0040] The baffle 503 is arranged at the top of the supporting cylinder 501, specifically at the top of the first chamber 507. The cross section of the baffle 503 is in the shape of a trapezoid with the upper part wider than the lower part. The top end of the first chamber 507 is also provided with a flared part in the shape of a trapezoid with the upper part wider than the lower part. The moving rod 504 is arranged in the mounting hole 505, and the diameter of the moving rod 504 is slightly smaller than the diameter of the mounting hole 505. The upper end of the moving rod 504 is detachably connected or fixedly connected with the baffle 503. The baffle 503 can move up and down under the action of gas to open or close the first chamber 507 on the supporting cylinder 501, i.e. to open or close the gas inlet opening and closing assembly 5, i.e. to open or close the gas inlet mechanism, so as to open or close the gas inlet pipe opening 1.

[0041] In addition, in order to facilitate the adjustment of the air intake flux of the air intake mechanism, the lower end of the moving rod 504 extends out of the mounting hole 505, and the flux adjusting member 509 is arranged at the part of the moving rod 504 below the sealing plate 502, and the size of the flux adjusting member 509 is larger than the diameter of the mounting hole 505, and a gap is arranged between the flux adjusting member 509 and the sealing plate 502, and the flux adjusting member 509 can be a nut and be screwed on the moving rod 504. The above-mentioned nut can also be a double nut, which has a better locking effect. The above-mentioned flux adjusting member 509 is used for adjusting the air intake flux of the air intake mechanism, and in the use process, the installation position of the flux adjusting member 509 needs to be adjusted in advance according to the reaction demand, when the flux adjusting member 509 is adjusted upward, the upward distance of the moving rod 504 becomes shorter, that is, the upward distance of the baffle 503 becomes shorter, so that the opening degree of the gas inlet formed when the baffle 503 is separated from the supporting cylinder 501 becomes smaller, that is, the air intake flux is reduced, on the contrary, the air intake flux can be increased; if the flux adjusting member 509 is adjusted to the bottom end of the moving rod and still cannot meet the requirements, the flux adjusting member 509 can be changed into a thin nut to further increase the upward distance of the moving rod 504 and the baffle 503; in addition, the above-mentioned flux adjusting member 509 can also be used to prevent the moving rod 504 from completely separating from the supporting cylinder 501 during the upward movement of the moving rod 504 and entering the horizontal reaction kettle 3, and plays a blocking role.

[0042] In addition, in order to prevent impurities or reaction medium at the bottom of the horizontal reaction kettle 3 from entering the air intake pipe 1, the outer circle of the supporting cylinder 501 is provided with a sealing groove, and a sealing ring 510 is arranged in the sealing groove, and the sealing ring 510 can be a rubber ring. The sealing ring 510 can realize the sealing between the inner wall of the air intake pipe 1 and the outer wall of the supporting cylinder 501, so as to prevent the impurities and reaction medium in the horizontal reaction kettle from entering the air intake pipe 1 through the gap between the inner wall of the air intake pipe 1 and the outer wall of the supporting cylinder 501.

[0043] The installation and dismounting process of the above-mentioned air intake mechanism is as follows:

[0044] The above-mentioned air inlet mechanism is installed by first assembling the air inlet opening and closing assembly 5, adjusting the installation position of the flux adjusting piece 509 in the air inlet opening and closing assembly 5 according to the use requirement, i.e. adjusting the opening and closing stroke of the baffle 503, then putting the air inlet opening and closing assembly 5 together with the sealing ring 510 outside the supporting cylinder 501 into the upper part of the air inlet pipe 1 from inside the horizontal reaction kettle 3 by an operator, then putting the air inlet flow guide assembly 4 into the lower part of the air inlet pipe 1 by another operator outside the horizontal reaction kettle 3, rotating the air inlet flow guide assembly 4 under the cooperation of the two operators inside and outside the horizontal reaction kettle 3, screwing the air inlet flow guide assembly 4 with the air inlet opening and closing assembly 1, i.e. screwing the annular gland 402 of the air inlet flow guide assembly 4 with the supporting cylinder 501 of the air inlet opening and closing assembly 5, and aligning the bolt holes of the second flange 7 on the air inlet flow guide assembly 4 with the first flange 6 of the air inlet pipe 1 during the screwing process, fixing the air inlet flow guide assembly 4 with the air inlet pipe 1 by using bolts, and completing the installation;

[0045] When the above-mentioned air inlet mechanism is disassembled, the connecting bolts of the first flange 6 and the second flange 7 are disassembled, and then the whole air inlet mechanism is directly taken out from outside the horizontal reaction kettle 3, and the disassembly is completed.

[0046] Referring to Figure 6 The above-mentioned air inlet mechanism is installed at the bottom of the horizontal reaction kettle 3, and is used for introducing the reaction gas into the horizontal reaction kettle 3. During use, the air inlet mechanism is connected with the air inlet pipeline 2 outside for conveying the reaction gas, the reaction gas enters the air inlet mechanism from the air inlet pipeline 2 at a high pressure, first enters the connecting pipe 401, then gathers in the second chamber 508 of the supporting cylinder 501, and enters the first chamber 507 in the upper part through the air hole 506 on the middle sealing plate 502 of the supporting cylinder 501, under the action of the gas thrust and the gas flow rate, the high-pressure reaction gas impacts the baffle 503 to open it, and enters the horizontal reaction kettle 3; when the high-pressure reaction gas is paused, the baffle 503 and the moving rod 504 are lowered under the action of gravity, the baffle 503 closes the second chamber 508 in the upper part of the supporting cylinder 501, i.e. the air inlet mechanism is closed, and the impurities or reaction medium at the bottom of the horizontal reaction kettle 3 is prevented from entering the air inlet mechanism.

[0047] In addition, during actual use, the pressure of the above-mentioned reaction gas can be adjusted according to the weight of the reaction medium in the horizontal reaction kettle 3, so as to ensure that the gas pressure can push the baffle 503 open, so as to open the air inlet mechanism.

[0048] It should be noted that the parts not mentioned in the utility model can be realized by using or referring to the existing technology.

[0049] Of course, the above description is not a limitation of the utility model, the utility model is also not limited to the above examples, the changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the utility model should also belong to the protection scope of the utility model.

Claims

1. A horizontal reactor gas inlet mechanism characterized by, The gas inlet pipe (1) installed at the bottom of the horizontal reaction kettle comprises: A gas inlet guide assembly (4) located at the lower part of the gas inlet pipe (1), which comprises a connecting pipe (401), the upper part of the connecting pipe (401) is arranged in the gas inlet pipe (1), and the lower part of the connecting pipe (401) is arranged outside the gas inlet pipe (1) and detachably connected with the gas inlet pipe (1); A gas inlet opening and closing assembly (5) located at the upper part of the gas inlet pipe (1), which comprises a supporting cylinder (501), the lower part of the supporting cylinder (501) is threadedly connected with the gas inlet guide assembly (4); the middle part of the supporting cylinder (501) is horizontally provided with a sealing plate (502), the sealing plate (502) is provided with a mounting hole (505) and a vent hole (506), a movable rod (504) is movably arranged in the mounting hole (505), the upper end of the movable rod (504) is provided with a baffle (503) which is located at the top of the supporting cylinder (501), and the baffle (503) is moved up and down to realize the opening or closing of the gas inlet opening and closing assembly (5).

2. The gas inlet mechanism for a horizontal reaction vessel according to claim 1, wherein The gas inlet guide assembly (4) further comprises an annular gland (402), which is sleeved on the outer circle of the upper end of the connecting pipe (401), and the annular gland (402) is fixedly connected with the connecting pipe (401).

3. The gas inlet mechanism for a horizontal reactor according to claim 2, wherein The lower part of the supporting cylinder (501) is provided with an internal thread, the upper part of the annular gland (402) is provided with an external thread, and the lower part of the supporting cylinder (501) is threadedly connected with the upper part of the annular gland (402).

4. The gas inlet mechanism for a horizontal reaction vessel according to claim 3, wherein The annular gland (402) is in the shape of a convex step, the lower part of the supporting cylinder (501) is threadedly connected with the upper step of the annular gland (402), and the outer diameter of the lower step of the annular gland (402) is smaller than the inner diameter of the gas inlet pipe (1).

5. The gas inlet mechanism for a horizontal reaction vessel according to claim 1, wherein The bottom end of the gas inlet pipe (1) is fixedly provided with a first flange (6), the lower part of the connecting pipe (401) is fixedly provided with a second flange (7), and the connecting pipe (401) is detachably connected with the gas inlet pipe (1) through the first flange (6), the second flange (7) and bolts.

6. The gas inlet mechanism for a horizontal reaction vessel according to claim 1, wherein The sealing plate (502) divides the supporting cylinder (501) into a first chamber (507) located at the upper part and a second chamber (508) located at the lower part, the first chamber (507) is communicated with the horizontal reaction kettle, the second chamber (508) is communicated with the connecting pipe (401), and the first chamber (507) and the second chamber (508) are communicated through the vent hole (506).

7. A horizontal reactor inlet mechanism according to claim 6, wherein The baffle (503) is arranged at the top of the first chamber (507) of the supporting cylinder (501), the cross section of the baffle (503) is in the shape of a trapezoid with the upper part being wide and the lower part being narrow, and the top end of the first chamber (507) is provided with a flared part in the shape of a trapezoid with the upper part being wide and the lower part being narrow, which matches the shape of the baffle (503).

8. The gas inlet mechanism for a horizontal reaction vessel according to claim 1, wherein The lower end of the moving rod (504) extends out of the mounting hole (505), and the part of the moving rod (504) below the sealing plate (502) is provided with a flux adjusting piece (509) capable of being adjusted up and down along the moving rod (504), a gap is arranged between the flux adjusting piece (509) and the sealing plate (502), and the size of the flux adjusting piece (509) is greater than the diameter of the mounting hole (505).

9. The gas inlet mechanism for a horizontal reaction vessel according to claim 1, wherein The mounting hole (505) on the sealing plate (502) is arranged at the center of the sealing plate (502), a plurality of air holes (506) are arranged on the sealing plate (502), and the plurality of air holes (506) are uniformly distributed around the mounting hole (505).

10. The gas inlet mechanism for a horizontal reactor according to claim 1, wherein The outer ring of the supporting cylinder (501) is provided with a sealing groove, and a sealing ring (510) is arranged in the sealing groove.

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