Novel dehydrating tower for methylamine production

Abstract

The utility model belongs to the technical field of dehydrating towers, and particularly discloses a novel dehydrating tower for methylamine production, which comprises a tower body and a shell, the shell is welded on the left side in the tower body, an air inlet pipe is fixed between the bottom end of the shell and the tower body, an air inlet pump is assembled on the air inlet pipe, and an air outlet pump is assembled on the air inlet pipe. Three sets of leak plates are welded between the two sides of the interior of the shell, a basin body is welded to the tops of the leak plates, the basin body is filled with moisture absorption particles, and a cover plate is clamped and fixed to the top of the basin body. According to the novel dehydrating tower for methylamine production, the basin body is filled with moisture absorption particles, raw gas is guided into the shell from the gas inlet pipe at the bottom under the extraction action of the gas inlet pump, passes through the leak plate to be pumped into the basin body under the guidance of the three groups of gas pumps to be in contact with the moisture absorption particles accumulated at the position, and then passes through the breathable film to continuously move upwards, so that the raw gas is fully dehydrated. Three times of drying contact are carried out in total, and then the dried methylamine gas is led out, so that the problem of incomplete filler contact is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to dehydration tower technical field, concretely is a novel dehydration tower for methylamine production. BACKGROUND

[0002] Methylamine is a gas state at room temperature, colorless but has irritating ammonia smell compound, density is heavier than air, in the process of chemical industry production, methylamine as generation gas discharge is often mixed with a large amount of water vapor, if want to purify and collect dry methylamine gas, need to pass through dehydration tower.

[0003] Dehydration tower is a kind of device using the increase of gas-liquid contact area to force water molecules from gas phase to liquid phase, internally filled with packing to speed up the reaction, then dry methylamine gas and residual liquid are exported respectively, but the packing of such device is often exposed in the tower body, when gas enters dehydration tower, it is difficult to completely contact with packing, and the dehydration effect is not ideal.

[0004] Now, a novel dehydration tower for methylamine production is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a novel dehydration tower for methylamine production to solve the problem of incomplete packing contact in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: a novel dehydration tower for methylamine production, including tower body and shell, the left side welding of tower body interior has shell, and the bottom of shell and tower body between fixed with inlet pipe, the inlet pipe is equipped with inlet pump, the both sides welding of shell interior has three groups of leak hole plate, and the top of leak hole plate is welded with basin body, the basin body is filled with hygroscopic particle, the top of basin body is fixedly connected with cover plate, and the center of cover plate is fixed with breathable membrane, the both sides of cover plate are respectively provided with screw hole, the top of the both sides of basin body is respectively provided with positioning hole, the bottom of leak hole plate is welded with cover body, and the lower of cover body is fixed with suction pump, the back of shell and tower body are fixedly connected with sealing plate, the screw hole and positioning hole are equipped with bolt.

[0007] Preferably, the screw hole and positioning hole are in the same horizontal plane, and the bolt, screw hole and positioning hole are arranged in concentric circles.

[0008] Preferably, the leak hole plate is longitudinally provided with air hole, and the hygroscopic particle is made of color-changing silica gel.

[0009] Preferably, the top of the tower body is fixed with a pipe body one in the center, and a left valve is installed on the pipe body one, the right side of the top of the tower body is fixed with a pipe body two, and a right valve is installed on the pipe body two, a three-way pipe is fixed between the pipe body one and the pipe body two, a fixed plate is installed on the upper right corner of the outside of the tower body, and an air outlet pump is installed on the top of the fixed plate, a hose is fixed below the fixed plate, a screw rod is assembled on the right side between the fixed plate and the tower body, and a threaded plate is sleeved outside the screw rod, an injection gun is fixed on the right side of the threaded plate, a hose is installed between the top of the injection gun and the fixed plate, and a groove is longitudinally arranged on the surface of the right side of the tower body.

[0010] Preferably, the left side of the air outlet pump is fixedly connected with the three-way pipe, and the right side of the air outlet pump is fixedly connected with the hose.

[0011] Preferably, the left side of the threaded plate is embedded in the groove, and the screw rod is embedded in the threaded hole of the threaded plate.

[0012] Preferably, a bottom plate is welded below the right side of the tower body, a horizontal groove is horizontally arranged in the inside of the bottom plate, a lead screw is assembled between the two sides in the inside of the horizontal groove, a threaded block is sleeved on the two sides outside the lead screw, a clamping plate is welded on the top of the threaded block, and a gas cylinder is placed in the center of the top of the bottom plate.

[0013] Preferably, the clamping plate is symmetrically attached to the two sides of the surface of the gas cylinder, and the lead screw can guide the threaded block to slide horizontally.

[0014] Compared with the prior art, the novel dehydration tower for producing methylamine has the advantages that the novel dehydration tower for producing methylamine not only avoids incomplete dehydration of gas, realizes complete suction of internal methylamine gas, but also avoids shaking of the filled gas cylinder.

[0015] (1) The original gas is introduced into the casing from the bottom air inlet pipe under the extraction of the air inlet pump, is guided by the three air outlet pumps, is drawn into the basin through the leakage hole plate, contacts the silica gel moisture absorbing particles accumulated here, continuously moves upward through the air permeable membrane, is dried for a total of three times, and then the dried methylamine gas is discharged.

[0016] (2) The injection gun is fixed on the right side of the threaded plate, whether the methylamine gas remaining at the top of the tower body or the methylamine gas remaining at the bottom of the tower body, can be controlled by the left valve pipe body one and the right valve pipe body two, so that the air outlet pump can inject the methylamine gas into the hose through the three-way pipe, the screw rod is rotated to vertically lift the threaded plate along the groove and press the injection gun, the gas cylinder placed at the top of the bottom plate is filled with methylamine gas, and methylamine gas leakage is avoided.

[0017] (3) by the center of the bottom plate top has gas cylinder, gas cylinder is placed on the bottom plate, from the right side of the handle of the screw rod, then in the bottom plate inside transverse rotation screw rod both sides of the sleeve thread block, guide symmetrical clamping plate, from the left side and right side adhere to the surface of the gas cylinder, avoid the gas cylinder on the surface of the bottom plate shaking, maintain the stability when filling gas, also can adjust the clamping distance according to the width of the bottle body. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view section structure schematic diagram of the utility model;

[0019] Figure 2 It is the front view section structure schematic diagram of the utility model's basin body;

[0020] Figure 3 It is the Figure 1 It is the local section enlarged structure schematic diagram of the utility model's A place;

[0021] Figure 4 It is the front view section structure schematic diagram of the utility model's bottom plate.

[0022] In the drawing: 1, tower body; 2, shell; 3, sealing plate; 4, leakage hole plate; 5, basin body; 6, pipe body one; 7, left valve; 8, tee; 9, pipe body two; 10, right valve; 11, air outlet pump; 12, fixed plate; 13, hose; 14, injection gun; 15, threaded plate; 16, gas cylinder; 17, clamping plate; 18, bottom plate; 19, screw rod; 20, cross groove; 21, threaded block; 22, screw rod; 23, groove; 24, air inlet pipe; 25, air inlet pump; 26, cover plate; 27, gas permeable membrane; 28, cover body; 29, air extraction pump; 30, moisture absorbing particle; 31, bolt; 32, screw hole; 33, positioning hole. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-4The utility model provides a kind of embodiment of the utility model: a kind of novel dehydration tower for methylamine production, including tower body 1 and shell 2, shell 2 is welded in the left side of tower body 1 inside, and the bottom end between shell 2 and tower body 1 is fixed with air inlet pipe 24, air inlet pump 25 is assembled on air inlet pipe 24, three groups of leak hole plate 4 are welded between the two sides of shell 2 inside, and leak hole plate 4 top is welded with basin 5, basin 5 is filled with moisture-absorbing particles 30, the top of basin 5 is fixed with cover plate 26, and breathable membrane 27 is fixed in the center of cover plate 26, the inside of the two sides of cover plate 26 is provided with screw hole 32 respectively, the top of the two sides of basin 5 is provided with positioning hole 33 respectively, leak hole plate 4 bottom is welded with cover 28, and cover 28 is fixed with suction pump 29 below, the back between shell 2 and tower body 1 is fixed with sealing plate 3, screw bolt 31 is assembled between screw hole 32 and positioning hole 33;

[0025] Screw hole 32 and positioning hole 33 are in the same horizontal plane, screw bolt 31, screw hole 32 and positioning hole 33 are arranged in concentric circles, longitudinal gas hole is provided in leak hole plate 4, moisture-absorbing particles 30 are made of color-changing silica gel;

[0026] Specifically, as shown in Figure 1 、 Figure 2 And Figure 3 , original gas is introduced into shell 2 from bottom air inlet pipe 24 under the extraction of air inlet pump 25, under the guidance of three suction pumps 29, respectively passes through leak hole plate 4 and is extracted into basin 5, contacts silica gel moisture-absorbing particles 30 accumulated here, and continuously moves upward through breathable membrane 27, a total of three times of drying contact, and then the dried methylamine gas is discharged, and tower body 1 can be opened at the back of sealing plate 3 to replace and clean the moisture-absorbing particles 30 in the inside of basin 5.

[0027] The center of the top of tower body 1 is fixed with pipe body one 6, and left valve 7 is installed on pipe body one 6, the right side of the top of tower body 1 is fixed with pipe body two 9, and right valve 10 is installed on pipe body two 9, three-way pipe 8 is fixed between pipe body one 6 and pipe body two 9, fixed plate 12 is installed on the right upper corner outside tower body 1, and air outlet pump 11 is installed on the top of fixed plate 12, soft tube 13 is fixed below fixed plate 12, screw rod 22 is assembled on the right side between fixed plate 12 and tower body 1, and thread plate 15 is sleeved outside screw rod 22, injection gun 14 is fixed on the right side of thread plate 15, soft tube 13 is installed between the top of injection gun 14 and fixed plate 12, and longitudinal groove 23 is arranged on the surface of the right side of tower body 1;

[0028] The left side of air outlet pump 11 is fixedly connected with three-way pipe 8, the right side of air outlet pump 11 is fixedly connected with soft tube 13, thread plate 15 is embedded in groove 23 on the left side, and screw rod 22 is embedded in the thread hole of thread plate 15;

[0029] Specifically, as shown in Figure 1As shown, no matter is the methylamine gas remaining in the top end of the tower body 1, or the methylamine gas remaining in the bottom of the tower body 1, can be controlled by the left valve 7 control pipe body one 6, through the right valve 10 control pipe body two 9, so as to use the gas pump 11 through the tee pipe 8 into the hose 13, rotate the screw rod 22 along the groove 23 vertical lifting screw plate 15 and press the injection gun 14, align the gas cylinder 16 placed on the top end of the bottom plate 18 to fill the methylamine gas.

[0030] The bottom plate 18 is welded below the right side of the tower body 1, and the horizontal groove 20 is arranged inside the bottom plate 18, the screw rod 19 is arranged between the two sides of the horizontal groove 20, and the threaded block 21 is sleeved on the two sides of the screw rod 19, and the clamping plate 17 is welded on the top of the threaded block 21, and the gas cylinder 16 is placed on the top of the center of the bottom plate 18, and the clamping plate 17 is symmetrically attached to the two sides of the surface of the gas cylinder 16, and the screw rod 19 can guide the threaded block 21 to slide horizontally;

[0031] Specifically, as shown in Figure 1 and Figure 4 The gas cylinder 16 is placed on the bottom plate 18, the handle of the screw rod 19 is rotated from the right side, and then the threaded block 21 sleeved on the two sides of the screw rod 19 is rotated horizontally inside the bottom plate 18, the symmetric clamping plate 17 is guided to be attached to the surface of the gas cylinder 16 from the left side and the right side, so that the gas cylinder 16 is prevented from shaking on the surface of the bottom plate 18, and the stability during gas injection is maintained.

[0032] Working principle: in use, the original gas is introduced into the shell 2 from the bottom gas inlet pipe 24 under the extraction of the gas inlet pump 25, is guided by the three groups of air pumps 29, is introduced into the basin body 5 through the perforated plate 4, contacts the accumulated silica gel moisture absorbing particles 30, and continuously moves upward through the air permeable membrane 27, a total of three times of drying contact, and then the dried methylamine gas is discharged, no matter is the methylamine gas remaining in the top end of the tower body 1, or the methylamine gas remaining in the bottom of the tower body 1, can be controlled by the left valve 7 control pipe body one 6, through the right valve 10 control pipe body two 9, so as to use the gas pump 11 through the tee pipe 8 into the hose 13, rotate the screw rod 22 along the groove 23 vertical lifting screw plate 15 and press the injection gun 14, align the gas cylinder 16 placed on the top end of the bottom plate 18 to fill the methylamine gas, the gas cylinder 16 is placed on the bottom plate 18 in advance, the handle of the screw rod 19 is rotated from the right side, and then the threaded block 21 sleeved on the two sides of the screw rod 19 is rotated horizontally inside the bottom plate 18, the symmetric clamping plate 17 is guided to be attached to the surface of the gas cylinder 16 from the left side and the right side, so that the gas cylinder 16 is prevented from shaking on the surface of the bottom plate 18.

[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A novel dehydrating column for methylamine production comprising a column body (1) and a shell (2), characterized in that: The left side of the tower body (1) is welded with a shell (2), and the bottom end of the shell (2) is fixed with an air inlet pipe (24) between the tower body (1), the air inlet pipe (24) is equipped with an air inlet pump (25), the inside of the shell (2) is welded with three groups of leak hole plates (4) between the two sides, and the top of the leak hole plate (4) is welded with a basin (5), the basin (5) is filled with moisture absorbing particles (30), the top of the basin (5) is clamped and fixed with a cover plate (26), and the center of the cover plate (26) is fixed with a breathable film (27), the inside of the two sides of the cover plate (26) is respectively provided with a screw hole (32), the top of the two sides of the basin (5) is respectively provided with a positioning hole (33), the bottom of the leak hole plate (4) is welded with a cover (28), and the lower side of the cover (28) is fixed with an air pump (29), the back of the shell (2) is clamped and fixed with a sealing plate (3) between the tower body (1), and the screw hole (32) and the positioning hole (33) are equipped with a bolt (31).

2. A novel dehydrating column for methylamine production according to claim 1, characterized in that: The screw hole (32) and the positioning hole (33) are in the same horizontal plane, and the bolt (31), the screw hole (32) and the positioning hole (33) are arranged in concentric circles.

3. A novel dehydrating column for methylamine production according to claim 1, characterized in that: The leak hole plate (4) is longitudinally provided with air holes, and the moisture absorbing particles (30) are made of color-changing silica gel.

4. A novel dehydrating column for methylamine production according to claim 1, characterized in that: The center of the top end of the tower body (1) is fixed with a pipe body one (6), and the left valve (7) is installed on the pipe body one (6), the right side of the top end of the tower body (1) is fixed with a pipe body two (9), and the right valve (10) is installed on the pipe body two (9), the pipe body one (6) and the pipe body two (9) are fixed with a three-way pipe (8), the right upper corner of the outside of the tower body (1) is installed with a fixed plate (12), and the top of the fixed plate (12) is installed with an air outlet pump (11), the lower side of the fixed plate (12) is fixed with a hose (13), the right side between the fixed plate (12) and the tower body (1) is equipped with a screw rod (22), and the outside of the screw rod (22) is sleeved with a threaded plate (15), the right side of the threaded plate (15) is fixed with an injection gun (14), the top of the injection gun (14) and the fixed plate (12) are installed with a hose (13), and the surface of the right side of the tower body (1) is longitudinally provided with a groove (23).

5. A novel dehydrating column for methylamine production according to claim 4, characterized in that: The left side of the air outlet pump (11) is fixedly connected with the three-way pipe (8), and the right side of the air outlet pump (11) is fixedly connected with the hose (13).

6. A novel dehydrating column for methylamine production according to claim 4, characterized in that: The left side of the threaded plate (15) is embedded in the groove (23), and the screw rod (22) is embedded in the threaded hole of the threaded plate (15).

7. A novel dehydrating column for methylamine production according to claim 1, characterized in that: The bottom plate (18) is welded below the right side of the tower body (1), and the inside of the bottom plate (18) is transversely provided with a horizontal groove (20), the inside of the horizontal groove (20) is equipped with a lead screw (19) between the two sides, and the outside of the lead screw (19) is respectively sleeved with a threaded block (21) on the two sides, the top of the threaded block (21) is welded with a clamping plate (17), and the center of the top of the bottom plate (18) is placed with a gas cylinder (16).

8. A novel dehydrating column for methylamine production according to claim 7, characterized in that: The clamping plate (17) is symmetrically attached to the surface of the gas cylinder (16) on both sides, and the lead screw (19) can guide the threaded block (21) to slide horizontally.

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