High-pressure reactor for synthesizing methanol

Abstract

The utility model relates to the technical field of methanol synthesis, and discloses a high-pressure reactor for synthesizing methanol, which comprises a reactor shell, a heat exchange mechanism, a temperature display, a gas outlet pipe and a gas guide pipe, the reactor shell comprises a top cover, a shell wall and a shell bottom, a heat exchange pipe of the heat exchange mechanism penetrates through the inside of a round hole, and the temperature display is arranged on the top cover. The side face of the shell wall is fixedly connected with the side face of an annularly-arranged temperature displayer, annularly-distributed air outlet pipes are arranged below the temperature displayer, an annular frame is fixedly connected to the bottom end of the side face of the shell wall, annularly-arranged supporting legs are fixedly connected to the bottom end of the annular frame, and the bottom end of the shell bottom is fixedly connected with the bottom end of an air guide pipe. Wherein the gas guide pipe comprises a gas guide main pipe and a gas guide branch pipe, a heat exchange ring is annularly arranged on the peripheral side face of the gas guide branch pipe, the heat exchange mechanism is arranged, the peripheral space of the gas guide pipe is cooled, the temperature in the reactor is continuously adjusted, local overheating is avoided, and the production rate is maintained.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of methanol synthesis, more particularly to a high pressure reactor for synthesizing methanol. BACKGROUND

[0002] Methanol is also known as methyl alcohol, wood alcohol or wood spirit, is an organic compound, is the simplest structure of saturated monohydric alcohol, modern methanol is directly from carbon monoxide, carbon dioxide and hydrogen one catalytic action industrial process, the process is mainly based on carbon monoxide and hydrogen gas catalytic reaction under high temperature and high pressure.

[0003] Prior art deficiencies: low temperature and high pressure are conducive to methanol synthesis, but the reaction rate may be slow at low temperature, so catalyst is needed to accelerate, methanol synthesis is an exothermic reaction, once the temperature is too high, partial overheating of equipment may cause catalyst deactivation, and then affect production efficiency. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a high pressure reactor for synthesizing methanol to solve the problems existing in the above background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high pressure reactor for synthesizing methanol, comprising a reactor shell, further comprising: heat exchange mechanism, temperature display, gas outlet pipe, gas guide pipe, the reactor shell comprises top cover, shell wall and shell bottom, wherein the top end of the top cover is provided with annular array of round holes, the inside of the round hole is penetrated with the heat exchange pipe of heat exchange mechanism, the side surface of the shell wall is fixedly connected with the side surface of the annularly arranged temperature display, the lower portion of temperature display is provided with annularly distributed gas outlet pipe, the side surface bottom end of the shell wall is fixedly connected with ring frame, the bottom end of the ring frame is fixedly connected with annularly arranged support leg, the bottom end of the shell bottom is fixedly connected with the bottom end of the gas guide pipe, wherein the gas guide pipe comprises gas guide main pipe and gas guide branch pipe, the circumferential surface of the gas guide branch pipe is provided with heat exchange ring.

[0006] Further, the bottom end of the top cover is fixedly connected with the top end of the shell wall, the bottom end of the shell wall is fixedly connected with the top end of the shell bottom, the inside top end of the shell bottom is fixedly connected with the support plate, wherein the inside top cover of the reactor shell to the support plate region fills catalyst particles, as catalyst bed.

[0007] Further, the support leg comprises short rod fixedly connected at the bottom end of the ring frame and pad foot fixedly connected at the bottom end of the short rod.

[0008] Further, the bottom end of the air guide main pipe is fixedly connected with an elbow pipe, the elbow pipe penetrates the support plate and the shell bottom in sequence, an air inlet is fixedly connected at the bottom region of the reactor shell, the air guide main pipe is located at the middle region of the top cover to the support plate, that is, the catalyst bed layer, the side bottom of the air guide main pipe is fixedly connected with the bottom end of the air guide branch pipe, the air guide branch pipe is uniformly distributed in an annular array around the air guide main pipe, and the air guide branch pipe is located at the catalyst bed layer, and air holes are uniformly arranged on the side of the air guide main pipe and the air guide branch pipe.

[0009] Further, the side of the air guide branch pipe is annularly provided with a heat exchange ring, the heat exchange ring is uniformly distributed on the side of each air guide branch pipe, the side of the heat exchange ring is fixedly connected with the side of a heat exchange pipe, the top end of the heat exchange pipe is fixedly connected with a flow distribution ring through a circular hole, the flow distribution ring is arranged at the top end of the reactor shell, the inner side of the flow distribution ring is fixedly connected with a water tank through a connecting pipe, and the connecting pipe is communicated with the inside of the water tank.

[0010] Further, the side of the air guide branch pipe is annularly provided with a heat exchange ring, the heat exchange ring is uniformly distributed on the side of each air guide branch pipe, the side of the heat exchange ring is fixedly connected with the side of a heat exchange pipe, the top end of the heat exchange pipe is fixedly connected with a flow distribution ring through a circular hole, the flow distribution ring is arranged at the top end of the reactor shell, the inner side of the flow distribution ring is fixedly connected with a water tank through a connecting pipe, and the connecting pipe is communicated with the inside of the water tank.

[0011] Further, the side of the air guide branch pipe is annularly provided with a heat exchange ring, the heat exchange ring is uniformly distributed on the side of each air guide branch pipe, the side of the heat exchange ring is fixedly connected with the side of a heat exchange pipe, the top end of the heat exchange pipe is fixedly connected with a flow distribution ring through a circular hole, the flow distribution ring is arranged at the top end of the reactor shell, the inner side of the flow distribution ring is fixedly connected with a water tank through a connecting pipe, and the connecting pipe is communicated with the inside of the water tank.

[0012] The technical effects and advantages of the utility model are as follows:

[0013] 1. The utility model discloses a heat exchange mechanism, including the heat exchange ring that uniformly set up on the side of air guide branch pipe, the heat exchange pipe that fixedly connected in the side of heat exchange ring, the flow distribution ring and water tank that set up at the top of reactor shell, and cooling water is in heat exchange ring, heat exchange pipe, flow distribution ring, connecting pipe and water tank and constantly circulates, carries out cooling to the air guide pipe side space, carries out continuous regulation to the temperature in reactor, is favorable for avoiding appearing local overheating, maintains production rate.

[0014] 2. The utility model discloses a temperature display, which is uniformly arranged on the outside of the shell wall, including a temperature sensor and a digital display meter, wherein the temperature sensor is arranged on the inside of the shell wall, and the digital display meter is arranged on the outside of the shell wall, each temperature display detects one fourth of the reaction space, when the number of one digital display meter is obviously higher than that of other digital display meters, it indicates that the local reaction space corresponding to the digital display meter appears local overheating, which is favorable for observing the temperature condition in the reactor in time.

[0015] 3. The utility model discloses a switch valve, observes the temperature display, when appearing local overheating, can open the switch valve of corresponding side and adjacent side on flow distribution ring, closes the switch valve of opposite side, makes cooling water concentrate in this region circulation in short time, carries out targeted cooling, is favorable for better adjustment reactor internal temperature, further reduces the probability that local overheating leads to catalyst deactivation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a whole structure schematic view of the present application;

[0017] Figure 2 is a whole cross-section structure schematic view of the present application;

[0018] Figure 3 is a structure schematic view of the air guide pipe of the present application;

[0019] Figure 4 is a structure schematic view of the heat exchange mechanism of the present application;

[0020] Figure 5 is a structure schematic view of the temperature display of the present application.

[0021] The figure signs are: 1, reactor shell; 101, top cover; 1011, round hole; 102, shell wall; 103, shell bottom; 104, ring stand; 105, supporting leg; 1051, short pole; 1052, cushion leg; 106, supporting plate; 2, heat exchange mechanism; 201, heat exchange pipe; 202, heat exchange ring; 203, shunt ring; 204, connecting pipe; 205, water tank; 206, on-off valve; 3, temperature display; 4, air outlet pipe; 5, air guide pipe; 501, air guide main pipe; 502, air guide branch pipe; 503, elbow pipe; 504, air inlet; 505, air hole. DETAILED DESCRIPTION

[0022] The technical scheme in the present application will be described clearly and completely in combination with the drawings in the present application, and additionally, the forms of each structure recorded in the following embodiments are only examples, and the high-pressure reactor for synthesizing methanol involved in the present application is not limited to each structure recorded in the following embodiments, and all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the present application.

[0023] REFERENCE Figures 1 to 5The utility model provides a kind of high-pressure reactor for synthesizing methanol, including reactor shell 1, still include: heat exchange mechanism 2, temperature display 3, gas outlet pipe 4, gas guide pipe 5, reactor shell 1 includes top cap 101, shell wall 102 and shell bottom 103, wherein the top end of top cap 101 is opened with annular array's round hole 1011, heat exchange tube 201 of heat exchange mechanism 2 is penetrated in the inside of round hole 1011, the side surface of shell wall 102 is fixedly connected with the side surface of annularly arranged temperature display 3, the lower portion of temperature display 3 is provided with annular distribution's gas outlet pipe 4, the side surface bottom end of shell wall 102 is fixedly connected with ring stand 104, the bottom end of ring stand 104 is fixedly connected with annularly arranged support leg 105, the bottom end of shell bottom 103 is fixedly connected with the bottom end of gas guide pipe 5, wherein gas guide pipe 5 includes gas guide main pipe 501 and gas guide branch pipe 502, heat exchange ring 202 is annularly arranged on the circumferential surface of gas guide branch pipe 502.

[0024] Wherein, the bottom end of top cap 101 is fixedly connected with the top end of shell wall 102, the bottom end of shell wall 102 is fixedly connected with the top end of shell bottom 103, the inside top end of shell bottom 103 is fixedly connected with support plate 106, wherein the inside top cap 101 of reactor shell 1 to support plate 106 area fills catalyst particle, as catalyst bed.

[0025] Gas guide main pipe 501 and gas guide branch pipe 502 are inserted into catalyst bed evenly, so that synthesis gas can enter catalyst bed evenly, so that the overall reaction rate in reactor is more balanced, avoid gas accumulation in local, lead to reaction imbalance, appear local overheating condition.

[0026] Wherein, support leg 105 includes short rod 1051 fixedly connected in the bottom end of ring stand 104 and pad foot 1052 fixedly connected in the bottom end of short rod 1051, ring stand 104 and support leg 105 provide stable support for reactor.

[0027] Wherein, the bottom end of gas guide main pipe 501 is fixedly connected with elbow pipe 503, wherein elbow pipe 503 is penetrated support plate 106 and shell bottom 103 in sequence, gas inlet 504 is fixedly connected in the bottom area of reactor shell 1, gas guide main pipe 501 is located in the middle area of top cap 101 to support plate 106, i.e. catalyst bed, and the bottom of its side surface is fixedly connected with the bottom end of gas guide branch pipe 502, gas guide branch pipe 502 is evenly distributed around gas guide main pipe 501 in annular array, and gas guide branch pipe 502 is located in catalyst bed, and gas hole 505 is uniformly arranged on the side surface of gas guide main pipe 501 and gas guide branch pipe 502.

[0028] The synthesis gas is connected to the elbow 503 from the gas inlet 504, and then enters the gas guide main pipe 501, and is distributed by the gas guide branch pipe 502, and is uniformly introduced into the catalyst bed, that is, the reaction cavity, through the gas holes 505 uniformly arranged on the side of the gas guide main pipe 501 and the gas guide branch pipe 502, and methanol is generated under the catalysis of the catalyst.

[0029] The heat exchange ring 202 is arranged on the circumferential side of the gas guide branch pipe 502, the heat exchange pipe 201 is arranged on the circumferential side of the heat exchange ring 202, the shunt ring 203 is arranged on the top end of the heat exchange pipe 201, the water tank 205 is arranged on the inner side of the shunt ring 203, and the connecting pipe 204 is arranged between the shunt ring 203 and the water tank 205.

[0030] The heat exchange ring 202 is arranged on the circumferential side of the gas guide branch pipe 502, the heat exchange pipe 201 is arranged on the circumferential side of the heat exchange ring 202, the shunt ring 203 is arranged on the top end of the heat exchange pipe 201, the water tank 205 is arranged on the inner side of the shunt ring 203, and the connecting pipe 204 is arranged between the shunt ring 203 and the water tank 205.

[0031] The heat exchange ring 202 is arranged on the circumferential side of the gas guide branch pipe 502, the heat exchange pipe 201 is arranged on the circumferential side of the heat exchange ring 202, the shunt ring 203 is arranged on the top end of the heat exchange pipe 201, the water tank 205 is arranged on the inner side of the shunt ring 203, and the connecting pipe 204 is arranged between the shunt ring 203 and the water tank 205.

[0032] The heat exchange ring 202 is arranged on the circumferential side of the gas guide branch pipe 502, the heat exchange pipe 201 is arranged on the circumferential side of the heat exchange ring 202, the shunt ring 203 is arranged on the top end of the heat exchange pipe 201, the water tank 205 is arranged on the inner side of the shunt ring 203, and the connecting pipe 204 is arranged between the shunt ring 203 and the water tank 205.

[0033] The heat exchange ring 202 is arranged on the circumferential side of the gas guide branch pipe 502, the heat exchange pipe 201 is arranged on the circumferential side of the heat exchange ring 202, the shunt ring 203 is arranged on the top end of the heat exchange pipe 201, the water tank 205 is arranged on the inner side of the shunt ring 203, and the connecting pipe 204 is arranged between the shunt ring 203 and the water tank 205.

[0034] The heat exchange ring 202 is arranged on the circumferential side of the gas guide branch pipe 502, the heat exchange pipe 201 is arranged on the circumferential side of the heat exchange ring 202, the shunt ring 203 is arranged on the top end of the heat exchange pipe 201, the water tank 205 is arranged on the inner side of the shunt ring 203, and the connecting pipe 204 is arranged between the shunt ring 203 and the water tank 205.

[0035] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high pressure reactor for the synthesis of methanol comprising a reactor shell (1), characterized in that, Also include: Heat exchange mechanism (2), temperature display (3), air outlet pipe (4), air guide pipe (5), the reactor shell (1) includes top cover (101), shell wall (102) and shell bottom (103), wherein the top end of the top cover (101) is provided with a circular array of round holes (1011), the inside of the round hole (1011) is penetrated by the heat exchange pipe (201) of the heat exchange mechanism (2), the side of the shell wall (102) is fixedly connected with the side of the temperature display (3) arranged in a ring, the temperature display (3) is provided below with annularly distributed air outlet pipe (4), the side bottom of the shell wall (102) is fixedly connected with ring frame (104), the bottom of the ring frame (104) is fixedly connected with the annularly arranged supporting leg (105), the bottom of the shell bottom (103) is fixedly connected with the bottom of the air guide pipe (5), wherein the air guide pipe (5) includes air guide main pipe (501) and air guide branch pipe (502), the circumferential surface of the air guide branch pipe (502) is annularly provided with heat exchange ring (202).

2. A high pressure reactor for synthesis of methanol as claimed in claim 1 wherein: The bottom of the top cover (101) is fixedly connected with the top end of the shell wall (102), the bottom of the shell wall (102) is fixedly connected with the top end of the shell bottom (103), the inside top end of the shell bottom (103) is fixedly connected with the supporting plate (106), wherein the inside top cover (101) to the supporting plate (106) area of the reactor shell (1) is filled with catalyst particles as catalyst bed.

3. A high pressure reactor for synthesis of methanol as claimed in claim 1 wherein: The supporting leg (105) includes a short rod (1051) fixedly connected at the bottom of the ring frame (104) and a foot pad (1052) fixedly connected at the bottom of the short rod (1051).

4. A high pressure reactor for synthesis of methanol as claimed in claim 2 wherein: The bottom of the air guide main pipe (501) is fixedly connected with the elbow (503), wherein the elbow (503) penetrates the supporting plate (106) and the shell bottom (103) in sequence, the air inlet (504) is fixedly connected at the bottom area of the reactor shell (1), the air guide main pipe (501) is located in the middle area of the top cover (101) to the supporting plate (106), that is, the catalyst bed, the side bottom thereof is fixedly connected with the bottom of the air guide branch pipe (502), the air guide branch pipe (502) is evenly distributed in a ring array around the air guide main pipe (501), and the air guide branch pipe (502) is located in the catalyst bed, and the side of the air guide main pipe (501) and the air guide branch pipe (502) is uniformly provided with air holes (505).

5. A high pressure reactor for synthesis of methanol as claimed in claim 4 wherein: The circumferential surface of the air guide branch pipe (502) is annularly provided with heat exchange ring (202), wherein the heat exchange ring (202) has two, which are evenly distributed on the circumferential surface of each air guide branch pipe (502), the side of the heat exchange ring (202) is fixedly connected with the side of the heat exchange pipe (201), the top end of the heat exchange pipe (201) is fixedly connected with the shunt ring (203) penetrating the round hole (1011), the shunt ring (203) is arranged at the top end of the reactor shell (1), the inner side thereof is fixedly connected with the water tank (205) through the connecting pipe (204), and the connecting pipe (204) and the water tank (205) are communicated.

6. A high pressure reactor for synthesis of methanol as claimed in claim 5 wherein: The switch valve (206) is uniformly arranged on the periphery of the flow distribution ring (203) and is used for independently controlling each heat exchange pipe (201).

7. A high pressure reactor for synthesis of methanol as claimed in claim 1 wherein: The temperature display (3) comprises a temperature sensor and a digital display meter, wherein the temperature sensor is arranged inside the shell wall (102), and the digital display meter is arranged outside the shell wall (102).

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