Pipeline for methanol cooling tower

Abstract

The utility model relates to the technical field of methanol production equipment, and discloses a pipeline for a methanol cooling tower, which comprises an L-shaped connecting pipe, flanges I are fixedly connected to the two ends of the outer wall of the L-shaped connecting pipe, a corrugated pipe is arranged at the top of the flanges I, flanges II are fixedly connected to the upper side and the lower side of the corrugated pipe, and flanges II are fixedly connected to the flanges II. A communicating pipe is arranged at the top of the second flange at the top, third flanges are fixedly connected to the upper side and the lower side of the communicating pipe, and a plurality of second connecting screws are fixedly connected to the inner wall of the first flange at the top and the inner wall of the second flange at the bottom. According to the utility model, through the first flange, the second flange on the bottom side and the second connecting screw, the corrugated pipe is communicated with the L-shaped connecting pipe, the second flange on the top is connected with the third flange on the bottom through the first connecting screw, the communicating pipe is communicated with the corrugated pipe, the telescopic function of the corrugated pipe can reduce the influence of thermal expansion and cold contraction on the cooling tower, and the service life is prolonged; and the corrugated pipe is stable in structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to methanol production equipment technical field especially relates to a pipeline for methanol cooling tower. BACKGROUND

[0002] In the complex system of modern chemical industry, the methanol cooling tower as the key heat dissipation equipment plays an important role, it is a kind of device specially used for cooling methanol, is widely used in chemical industry, pharmacy, energy and many fields, and its core principle is to transfer the heat carried by high-temperature methanol to cooling medium, usually air or water, to realize the temperature reduction of methanol, ensure that the subsequent process can be operated efficiently under suitable temperature conditions, and the methanol cooling tower provides strong guarantee for the stability and safety of the whole production process, and effectively avoids a series of potential problems caused by the excessively high temperature of methanol.

[0003] However, the existing pipeline for methanol cooling tower has many problems to be solved, the existing methanol cooling tower pipeline is mostly maintained by traditional rigid connection mode, in the daily operation process, although the basic conveying demand of methanol from heat source to cooling tower is ensured, and the risk of methanol leakage caused by unstable connection is avoided, due to the significant temperature difference between the cooling tower and the pipeline, the temperature of methanol in the pipeline is relatively high, and the temperature of the cooling tower body is relatively low, when heat exchange, the cooling tower and the connected pipeline are prone to thermal expansion and cold shrinkage, especially at the position of the pipe clamp, when the pipeline is heated and expanded or shrinks when encountering cold, the pipe clamp is difficult to adapt to the size change flexibly, on the one hand, the pipe clamp is extruded and deformed due to the excessive expansion of the pipeline, weakening the fastening ability of the pipe clamp to the pipeline, on the other hand, the sealing performance between the pipe clamp and the pipeline is damaged, and leakage is prone to occur, which not only reduces the cooling efficiency, but also may cause methanol leakage and other safety hazards, seriously restricting the stable operation of the methanol cooling tower. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides a pipeline for methanol cooling tower, which aims at improving the problem that the pipe clamp position is prone to deformation and leakage due to thermal expansion and cold shrinkage in the prior art.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a kind of pipeline for methanol cooling tower, the outer wall both ends of the L-shaped connecting pipe are fixedly connected with flange one, the top of the flange one is provided with bellow, the upper and lower sides of the bellow are fixedly connected with flange two, the top of the flange two is provided with communicating pipe, the upper and lower sides of the communicating pipe are fixedly connected with flange three, the inner wall of the flange one of top and the flange two of bottom are fixedly connected with multiple connecting screws two, the inner wall of the flange two of top and the flange three of bottom are fixedly connected with multiple connecting screws one, the outer wall of the L-shaped connecting pipe and the communicating pipe are fixedly connected with multiple fixed blocks, the inner wall of the fixed block of upper and lower sides is provided with limiting post, the outer wall of the limiting post is threadedly connected with multiple limiting nuts, the outer wall of the L-shaped connecting pipe is provided with cooling mechanism.

[0006] Through the above technical scheme: first, L-shaped connecting pipe is communicated with cooling tower through flange one, then through the other side flange one and bottom flange two, under the connection of connecting screw two, make that bellow is communicated with L-shaped connecting pipe, and make that top flange two and bottom flange three are connected together through connecting screw one, make that communicating pipe is communicated with bellow, then utilize the flange three of top to make that connecting pipe is communicated with another cooling tower, to make that two cooling towers are communicated, when the deformation of pipeline occurs due to thermal expansion and cold shrink, under the expansion and contraction of bellow, make that it can reduce the influence of thermal expansion and cold shrink on cooling tower, improve service life, and the structure of expansion joint is good in stability.

[0007] As further description of the above technical scheme:

[0008] The cooling mechanism includes heat exchange cylinder, the heat exchange cylinder is fixedly connected to the right side of the outer wall of the L-shaped connecting pipe, a plurality of heat conducting rings are fixedly connected to the right side of the outer wall of the L-shaped connecting pipe, the bottom of the outer wall of the heat exchange cylinder is communicated with a water inlet pipe, the outer wall of the water inlet pipe is fixedly connected with a water pressure valve, the top of the outer wall of the heat exchange cylinder is communicated with a water outlet pipe, and the inner wall of the L-shaped connecting pipe and the communicating pipe is fixedly connected with a spiral flow guide plate.

[0009] Through the above technical scheme: cold water is filled into heat exchange cylinder through water inlet pipe, when high-temperature methanol is guided under the spiral flow guide plate in pipeline, the residence time of methanol in pipeline is increased, and the heat of methanol is transferred to pipeline and then to heat conducting ring, at this time, a large amount of cold water is soaked in heat conducting ring, which can absorb heat and be discharged through water outlet pipe, the flow rate of cold water flowing in can be adjusted through water pressure valve, so that high-temperature methanol in pipeline can be better cooled.

[0010] As further description of the above technical scheme:

[0011] The outer wall of the L-shaped connecting pipe is fixedly connected with a limiting block at the middle of the front side, and the outer wall of the limiting block is fixedly connected with a nameplate.

[0012] Through the above technical scheme: the limiting block can provide installation space for the nameplate, and the nameplate can record the basic situation of the pipe.

[0013] As a further description of the above technical scheme:

[0014] The outer wall of the L-shaped connecting pipe is fixedly connected with a pressure gauge at the left side, and the outer wall of the pressure gauge is rotatably connected with an adjusting knob.

[0015] Through the above technical scheme: the pressure gauge can monitor the pressure in the pipe, and the adjusting knob can set the warning value, reminding the staff when the pressure in the pipe reaches the warning value.

[0016] As a further description of the above technical scheme:

[0017] The outer wall of the L-shaped connecting pipe is fixedly connected with a temperature detector at the right top side, and the front side of the temperature detector is fixedly connected with a display lamp.

[0018] Through the above technical scheme: the temperature detector can monitor the temperature in the pipe, and the display lamp can display different lights according to the temperature, so as to remind the staff to quickly understand the temperature inside.

[0019] As a further description of the above technical scheme:

[0020] The outer wall of the heat exchange cylinder is fixedly connected with a warning mark block at the front side, and the outer wall of the L-shaped connecting pipe is fixedly connected with a fluorescent strip at the front top side.

[0021] Through the above technical scheme: the warning mark block can remind the operator of the matters needing attention during use, and the fluorescent strip can help people quickly understand the use of the pipe during maintenance.

[0022] As a further description of the above technical scheme:

[0023] The outer wall of the flange one, the flange two and the flange three is fixedly connected with a limiting ring, and the outer wall of the limiting ring is fixedly connected with a sealing ring.

[0024] Through the above technical scheme: the limiting ring can limit the flange one, the flange two and the flange three in the best position during installation, and the sealing ring can improve the sealing ability of the flange one, the flange two and the flange three.

[0025] As a further description of the above technical scheme:

[0026] The outer wall size of the spiral flow guide plate is consistent with the inner wall size of the L-shaped connecting pipe and the communicating pipe, and the inner wall size of the heat conduction ring is consistent with the outer wall size of the L-shaped connecting pipe.

[0027] By the above technical scheme, the moving time of the methanol in the pipeline is increased, the heat is guided to the outer wall of the pipeline for heat dissipation, and the heat is quickly dissipated due to the consistent size of the heat conduction ring and the L-shaped connecting pipe.

[0028] The utility model has the advantages of the following beneficial effects:

[0029] 1、 the utility model discloses, L-shaped connecting pipe is connected with cooling tower through flange one, then through flange one and the flange two of bottom side, and connecting screw two, make the corrugated pipe with L-shaped connecting pipe intercommunication, and the flange two of top is connected with the flange three of bottom through connecting screw one, and the communicating pipe is connected with the corrugated pipe, and the flange three of top makes the connecting pipe with another cooling tower intercommunication, realizes the connection of two cooling towers, and the expansion and contraction of corrugated pipe's telescopic function can reduce the influence to cooling tower, improves the service life, and corrugated pipe structure is stable.

[0030] 2、 the utility model discloses, and cold water is injected into the heat exchange cylinder through the water inlet pipe, and high temperature methanol prolongs the residence time under the guidance of spiral flow guide plate, and heat is transferred to the pipeline and heat conduction ring, and after cold water absorbs heat, is discharged through the water outlet pipe, and the water pressure valve adjusts the flow rate, to optimize the methanol cooling effect. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A three-dimensional view of the pipeline for the methanol cooling tower is provided for the utility model;

[0032] Figure 2 A front view of the pipeline for the methanol cooling tower is provided for the utility model;

[0033] Figure 3 A side view of the pipeline for the methanol cooling tower is provided for the utility model;

[0034] Figure 4 A cross-sectional view of the heat exchange cylinder of the pipeline for the methanol cooling tower is provided for the utility model;

[0035] Figure 5 A cross-sectional view of the communicating pipe of the pipeline for the methanol cooling tower is provided for the utility model.

[0036] LEGEND:

[0037] 1, L-shaped connecting pipe; 2, cooling mechanism; 201, heat exchange cylinder; 202, heat conducting ring; 203, water inlet pipe; 204, water pressure valve; 205, water outlet pipe; 206, spiral guide plate; 3, flange one; 4, corrugated pipe; 5, flange two; 6, connecting screw one; 7, communication pipe; 8, fixed block; 9, limiting column; 10, limiting nut; 11, flange three; 12, nameplate; 13, warning sign block; 14, temperature monitor; 15, pressure gauge; 16, limiting ring; 17, sealing ring; 18, fluorescent bar; 19, limiting block; 20, adjusting knob; 21, display lamp; 22, connecting screw two. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0039] With reference to Figure 1 , Figure 2 and Figure 4 , an embodiment provided by the present application: a kind of pipe for methanol cooling tower, including L-shaped connecting pipe 1, the outer wall both ends of L-shaped connecting pipe 1 are fixedly connected with flange one 3, the top of top flange one 3 is provided with corrugated pipe 4, the upper and lower sides of corrugated pipe 4 are fixedly connected with flange two 5, the top of top flange two 5 is provided with communication pipe 7, the upper and lower sides of communication pipe 7 are fixedly connected with flange three 11, the inner wall of top flange one 3 and bottom flange two 5 is fixedly connected with multiple connecting screw two 22, the inner wall of top flange two 5 and bottom flange three 11 is fixedly connected with multiple connecting screw one 6, the outer wall of L-shaped connecting pipe 1 and communication pipe 7 is fixedly connected with multiple fixed blocks 8, L-shaped connecting pipe 1 is communicated with cooling tower by flange one 3, then by another side flange one 3 and bottom flange two 5, under the connection of connecting screw two 22, make that corrugated pipe 4 is communicated with L-shaped connecting pipe 1, and make that top flange two 5 and bottom flange three 11 are connected together by connecting screw one 6, make that communication pipe 7 is communicated with corrugated pipe 4, then utilize top flange three 11 to make that communication pipe 7 is communicated with another cooling tower, to make that two cooling towers are communicated, the inner wall of upper and lower fixed blocks 8 is provided with limiting column 9, the outer wall of limiting column 9 is threadedly connected with multiple limiting nuts 10, when the pipeline is deformed due to thermal expansion and contraction, is limited by limiting column 9 and limiting nut 10, by the expansion and contraction of corrugated pipe 4, the outer wall of L-shaped connecting pipe 1 is provided with cooling mechanism 2;

[0040] Specifically, first, the L-shaped connecting pipe 1 is communicated with the cooling tower through the flange 3, then the corrugated pipe 4 is communicated with the L-shaped connecting pipe 1 through the flange 3 on the other side and the flange 5 on the bottom side under the connection of the connecting screw 22, and the top flange 5 is connected with the bottom flange 11 through the connecting screw 6, so that the communicating pipe 7 is communicated with the corrugated pipe 4, then the communicating pipe 7 is communicated with another cooling tower through the flange 11 on the top, so that the two cooling towers are communicated, when the pipeline is deformed due to thermal expansion and contraction, the corrugated pipe 4 can reduce the influence of thermal expansion and contraction on the cooling tower and improve the service life under the limitation of the limiting column 9 and the limiting nut 10, and the structure of the corrugated pipe 4 is stable.

[0041] With reference to Figure 3 , Figure 4 and Figure 5 , the cooling mechanism 2 comprises a heat exchange cylinder 201 fixedly connected to the outer wall right side of the L-shaped connecting pipe 1, a plurality of heat conducting rings 202 fixedly connected to the outer wall right side of the L-shaped connecting pipe 1, a water inlet pipe 203 communicated with the bottom of the outer wall of the heat exchange cylinder 201, cold water injected into the heat exchange cylinder 201 through the water inlet pipe 203, a water pressure valve 204 fixedly connected to the outer wall of the water inlet pipe 203, the water pressure valve 204 can adjust the flow rate of the cold water flowing in, a water outlet pipe 205 communicated with the top of the outer wall of the heat exchange cylinder 201, then transferred into the heat conducting ring 202, at this time a large amount of cold water is soaked in the heat conducting ring 202, which can absorb heat and be discharged through the water outlet pipe 205, and a spiral flow guide plate 206 fixedly connected to the inner wall of the L-shaped connecting pipe 1 and the communicating pipe 7, high-temperature methanol is guided by the spiral flow guide plate 206 in the pipeline, so that the methanol stays in the pipeline for a longer time, and at the same time its own heat is transferred to the pipeline, then transferred to the heat conducting ring 202;

[0042] Specifically, cold water is injected into the heat exchange cylinder 201 through the water inlet pipe 203, high-temperature methanol is guided by the spiral flow guide plate 206 in the pipeline, so that the methanol stays in the pipeline for a longer time, and at the same time its own heat is transferred to the pipeline, then transferred to the heat conducting ring 202, at this time a large amount of cold water is soaked in the heat conducting ring 202, which can absorb heat and be discharged through the water outlet pipe 205, the flow rate of the cold water flowing in can be adjusted through the water pressure valve 204, so that the high-temperature methanol in the pipeline can be better cooled.

[0043] With reference to Figure 1 , Figure 2 and Figure 4The outer wall of the L-shaped connecting pipe 1 is fixedly connected with a limiting block 19 at the middle of the front side, a nameplate 12 is fixedly connected to the outer wall of the front side of the limiting block 19, the limiting block 19 can provide a mounting space for the nameplate 12, and the basic situation of the pipeline can be recorded through the nameplate 12; the outer wall of the L-shaped connecting pipe 1 is fixedly connected with a pressure gauge 15, the outer wall of the pressure gauge 15 is rotatably connected with an adjusting knob 20, the pressure gauge 15 can monitor the pressure in the pipeline, and the warning value can be set through the adjusting knob 20, so as to remind the worker when the pressure in the pipeline reaches the warning value; the outer wall of the right top side of the L-shaped connecting pipe 1 is fixedly connected with a temperature monitor 14, the front side of the temperature monitor 14 is fixedly connected with a display lamp 21, the temperature monitor 14 can monitor the temperature in the pipeline, and different lights can be displayed according to the temperature through the display lamp 21, so as to remind the worker to quickly understand the temperature inside.

[0044] Specifically, the limiting block 19 can provide a mounting space for the nameplate 12, and the basic situation of the pipeline can be recorded through the nameplate 12, the pressure in the pipeline can be monitored through the pressure gauge 15, and the warning value can be set through the adjusting knob 20, so as to remind the worker when the pressure in the pipeline reaches the warning value, the temperature in the pipeline can be monitored through the temperature monitor 14, and different lights can be displayed according to the temperature through the display lamp 21, so as to remind the worker to quickly understand the temperature inside.

[0045] Referring to Figure 1 , Figure 2 and Figure 3 , the outer wall of the front side of the heat exchange cylinder 201 is fixedly connected with a warning sign block 13, the outer wall of the top side of the front part of the L-shaped connecting pipe 1 is fixedly connected with a fluorescent strip 18, the warning sign block 13 can remind the operator of the matters needing attention during use, and the fluorescent strip 18 can help people quickly understand the use of the pipeline during maintenance; the outer wall of the flange one 3, the flange two 5 and the flange three 11 is fixedly connected with a limiting ring 16, the outer wall of the limiting ring 16 is fixedly connected with a sealing ring 17, the limiting ring 16 can limit the flange one 3, the flange two 5 and the flange three 11 in the best position during installation, and the sealing ability of the flange one 3, the flange two 5 and the flange three 11 can be improved through the sealing ring 17; the size of the outer wall of the spiral flow guide plate 206 is consistent with the size of the inner wall of the L-shaped connecting pipe 1 and the communication pipe 7, the size of the inner wall of the heat conduction ring 202 is consistent with the size of the outer wall of the L-shaped connecting pipe 1, and the size of the spiral flow guide plate 206 is consistent with the inner wall of the L-shaped connecting pipe 1 and the communication pipe 7, so that the moving time of the methanol flowing in the pipeline is increased, and the heat can be guided to the outer wall of the pipeline for heat dissipation, and the size of the heat conduction ring 202 is consistent with the L-shaped connecting pipe 1, so that the heat can be quickly dissipated.

[0046] Specific, through the warning sign block 13 can facilitate in the use process, remind the operator of the matters needing attention, through the fluorescent bar 18 can facilitate people when the pipeline is overhauled, quickly understand the use of the pipeline, through the limiting ring 16 can let the flange one 3, flange two 5 and flange three 11 can limit its in the best position when installing, and through the sealing ring 17 can facilitate the sealing capacity of flange one 3, flange two 5 and flange three 11, the size of the spiral flow guide plate 206 is consistent with the inner wall of the L-shaped connecting pipe 1 and the communication pipe 7, which can increase the moving time of methanol in the pipeline, and facilitate the heat to be guided to the outer wall of the pipeline for heat dissipation, and the size of the heat conducting ring 202 is consistent with the L-shaped connecting pipe 1, so that the heat can be quickly dissipated.

[0047] Working principle: first, the L-shaped connecting pipe 1 is connected with the cooling tower through the flange one 3, then the corrugated pipe 4 is connected with the L-shaped connecting pipe 1 through the flange one 3 on the other side and the flange two 5 on the bottom under the action of the connecting screw two 22, the top flange two 5 and the bottom flange three 11 are connected through the connecting screw one 6, so that the communication pipe 7 is connected with the corrugated pipe 4, then the top flange three 11 is used to connect the communication pipe 7 with another cooling tower, realizing the connection of two cooling towers, when the pipeline is deformed due to thermal expansion and contraction, the corrugated pipe 4 can reduce the influence of thermal expansion and contraction on the cooling tower through the limiting column 9 and the limiting nut 10, thereby improving the service life of the cooling tower, in addition, the corrugated pipe 4 has good structural stability, and through the cooling mechanism 2, cold water is injected into the heat exchange cylinder 201 through the water inlet pipe 203, the high temperature methanol is guided by the spiral flow guide plate 206, the residence time in the pipeline is prolonged, and the heat is transferred to the pipeline wall, then the heat is transferred to the heat conducting ring 202, a large amount of cold water is soaked therein, absorbs heat, and is discharged through the water outlet pipe 205, the flow rate of cold water flowing in can be controlled by adjusting the water pressure valve 204, so as to optimize the cooling effect of high temperature methanol in the pipeline.

[0048] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A pipe for a methanol cooling tower, comprising an L-shaped connecting pipe (1), characterized in that: Both ends of the outer wall of the L-shaped connecting pipe (1) are fixedly connected to flange 1 (3). A bellows (4) is provided on the top of the top flange 1 (3). Flange 2 (5) is fixedly connected to the upper and lower sides of the bellows (4). A connecting pipe (7) is provided on the top of the top flange 2 (5). Flange 3 (11) is fixedly connected to the upper and lower sides of the connecting pipe (7). Multiple connecting screws 2 (22) are fixedly connected to the inner wall of the top flange 1 (3) and the bottom flange 2 (5). Multiple connecting screws 1 (6) are fixedly connected to the inner wall of the top flange 2 (5) and the bottom flange 3 (11). Multiple fixing blocks (8) are fixedly connected to the outer wall of the L-shaped connecting pipe (1) and the connecting pipe (7). Limiting posts (9) are provided on the inner wall of the upper and lower fixing blocks (8). Multiple limiting nuts (10) are threaded on the outer wall of the limiting posts (9). A cooling mechanism (2) is provided on the outer wall of the L-shaped connecting pipe (1).

2. The pipe for a methanol cooling tower according to claim 1, characterized in that: The cooling mechanism (2) includes a heat exchange cylinder (201), which is fixedly connected to the right side of the outer wall of the L-shaped connecting pipe (1). Multiple heat-conducting rings (202) are fixedly connected to the right side of the outer wall of the L-shaped connecting pipe (1). A water inlet pipe (203) is connected to the bottom of the outer wall of the heat exchange cylinder (201). A water pressure valve (204) is fixedly connected to the outer wall of the water inlet pipe (203). A water outlet pipe (205) is connected to the top of the outer wall of the heat exchange cylinder (201). A spiral guide plate (206) is fixedly connected to the inner wall of the L-shaped connecting pipe (1) and the connecting pipe (7).

3. The pipeline for a methanol cooling tower according to claim 1, characterized in that: A limiting block (19) is fixedly connected to the middle of the front side of the outer wall of the L-shaped connecting pipe (1), and a nameplate (12) is fixedly connected to the front side of the outer wall of the limiting block (19).

4. A pipe for a methanol cooling tower according to claim 1, characterized in that: A pressure gauge (15) is fixedly connected to the left side of the outer wall of the L-shaped connecting pipe (1), and an adjustment knob (20) is rotatably connected to the outer wall of the pressure gauge (15).

5. A pipe for a methanol cooling tower according to claim 1, characterized in that: A temperature monitor (14) is fixedly connected to the top right side of the outer wall of the L-shaped connecting pipe (1), and an indicator light (21) is fixedly connected to the front side of the temperature monitor (14).

6. A pipe for a methanol cooling tower according to claim 2, characterized in that: A warning sign block (13) is fixedly connected to the front side of the outer wall of the heat exchange cylinder (201), and a fluorescent strip (18) is fixedly connected to the top side of the front part of the outer wall of the L-shaped connecting pipe (1).

7. A pipe for a methanol cooling tower according to claim 1, characterized in that: The outer walls of flange one (3), flange two (5) and flange three (11) are fixedly connected with limit rings (16), and the outer walls of the limit rings (16) are fixedly connected with sealing rings (17).

8. A pipe for a methanol cooling tower according to claim 2, characterized in that: The outer wall size of the spiral guide plate (206) is the same as the inner wall size of the L-shaped connecting pipe (1) and the connecting pipe (7), and the inner wall size of the heat-conducting ring (202) is the same as the outer wall size of the L-shaped connecting pipe (1).

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