CN215003058U - Pre-heater before tower for methanol production - Google Patents
Pre-heater before tower for methanol production Download PDFInfo
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- CN215003058U CN215003058U CN202121270741.3U CN202121270741U CN215003058U CN 215003058 U CN215003058 U CN 215003058U CN 202121270741 U CN202121270741 U CN 202121270741U CN 215003058 U CN215003058 U CN 215003058U
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- preheating tank
- heater
- gas
- methyl alcohol
- methanol
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Abstract
The utility model discloses a pre-heater before tower is used in methyl alcohol production, including gas heater, gas heater still includes the preheating tank, fixed welding has methyl alcohol gas mixture intake pipe and methyl alcohol gas mixture outlet duct respectively at preheating tank both ends, the inside fixed welding of preheating tank has the gas shield, the preheating tank is kept away from the fixed welding of one end outer wall of methyl alcohol gas mixture outlet duct has steam intake pipe and steam outlet duct, the fixed equipment in methyl alcohol gas mixture outlet duct top has pneumatic air-cooled subassembly, pneumatic air-cooled subassembly is still including the equipment casing, the inside one side of equipment casing is rotated and is installed the transmission shaft, the transmission shaft surface is located the inside fixed cover of equipment casing is equipped with the flabellum. The utility model discloses the time that makes steam stop in the preheating tank inside has increased one time, has improved the utilization ratio of steam, still utilizes the kinetic energy of gas flow to realize the cooling effect to power equipment.
Description
The technical field is as follows:
the utility model relates to a methanol production technical field specifically is a pre-heater before tower for methanol production.
Background art:
the pre-heater before the tower is a device for preheating mixed gas before a methanol mixer enters a methanol synthesis tower in a methanol preparation process, the catalyst enters the optimal activity temperature before the mixing reaction, and the gas before the catalyst enters the synthesis tower is generally preheated by utilizing smoke in a tail flue of other boilers, so that the heat exchange performance of the boilers is improved, and the energy consumption is reduced;
however, the prior pre-heater before the tower has the following defects:
(1) in the existing pre-heater before the tower, the retention time of hot gas in the device is too short, so that the amount of the injected hot gas is very large, and correspondingly, very large hot gas amount needs to be generated, so that huge energy consumption is brought, and the heating efficiency is general;
(2) the power equipment that pre-heater used before the cooperation tower, because be in under the operational environment of high temperature for a long time, the equipment is inside very easily because high temperature leads to damaging to seriously shorten power equipment's life, in addition, install extra power equipment and cool off, increased total plant's power consumption again.
The utility model has the following contents:
an object of the utility model is to provide a pre-heater before tower for methanol production to solve the problem that proposes among the above-mentioned background art.
The utility model discloses by following technical scheme implement: a pre-heater for a tower for producing methanol comprises a gas pre-heater;
the gas preheater also comprises a preheating tank, a methanol mixed gas inlet pipe and a methanol mixed gas outlet pipe are respectively fixedly welded at two ends of the preheating tank, a gas baffle is fixedly welded in the preheating tank, and a hot gas inlet pipe and a hot gas outlet pipe are fixedly welded on the outer wall of one end of the preheating tank, which is far away from the methanol mixed gas outlet pipe;
the pneumatic air cooling assembly is fixedly assembled at the top end of the methanol mixed gas outlet pipe, an electric valve is fixedly assembled at the top end of the pneumatic air cooling assembly, the pneumatic air cooling assembly further comprises an assembly shell, a transmission shaft is rotatably installed on one side inside the assembly shell, and the outer surface of the transmission shaft is located fan blades are fixedly sleeved inside the assembly shell.
Preferably, a spiral air pipe is fixedly installed inside the preheating tank, and two ends of the spiral air pipe are fixedly connected with the methanol mixed gas inlet pipe and the methanol mixed gas outlet pipe respectively.
Preferably, one end of the gas barrier close to the methanol mixed gas outlet pipe is fixedly provided with a vent hole, and the hot gas inlet pipe is communicated with the hot gas outlet pipe through the vent hole.
Preferably, the outer walls of the two ends of the preheating tank are fixedly provided with brackets, and the brackets are used for supporting the preheating tank.
Preferably, the fixed welding of equipment casing outer wall one side has the outer support body, the inside main gear that installs that rotates of equipment casing, transmission shaft one end and the fixed cover in main gear one side is equipped with the main belt.
Preferably, a secondary gear is rotatably mounted at the other end inside the assembling shell, and the primary gear is in meshed transmission connection with the secondary gear.
Preferably, the top end of one side of the assembly shell is rotatably provided with a fan blade, and a secondary belt is fixedly sleeved on one side of the fan blade and one side of the secondary gear.
The utility model has the advantages that:
1. the utility model discloses a spiral trachea increases the area of methyl alcohol mist and steam contact, through the gas barrier, has increased the time of methyl alcohol mist with the steam contact, and steam is in the circulation of preheating tank inside one time, makes the time that steam stops in preheating tank inside increase one time, has improved the utilization ratio of steam, effectively lowers the amount of production of steam to improve the preheating efficiency of methyl alcohol mist and preheat the effect by a wide margin.
2. The utility model discloses a mixture blows the high-speed rotation of fan blade, through a series of transmission backs, finally make the high-speed rotation of fan blade, thereby produce powerful air current and blow to electric valve, and then realize the pnematic refrigerated effect to electric valve, guarantee electric valve during operation under high temperature environment, heat dissipation that can be timely, avoid the internal plant to damage because of high temperature, in addition, this pnematic refrigerated process need not install extra electrical equipment, can not bring extra power consumption, can not increase the cost of device yet.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of a gas preheater according to the present invention;
fig. 3 is a schematic perspective view of the pneumatic air cooling assembly of the present invention;
fig. 4 is a schematic sectional structure view of the assembly housing according to the present invention.
In the figure: 1. a gas preheater; 101. a preheating tank; 102. a support; 103. a methanol mixed gas inlet pipe; 104. a methanol mixed gas outlet pipe; 105. a hot gas inlet pipe; 106. a hot gas outlet pipe; 107. a helical gas pipe; 108. a gas barrier; 109. a vent hole; 2. an electrically operated valve; 3. a pneumatic air-cooled assembly; 301. assembling the shell; 302. an outer frame body; 303. a drive shaft; 304. a fan blade; 305. a primary gear; 306. a primary belt; 307. a secondary gear; 308. a fan blade; 309. a secondary belt.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to FIGS. 1-4: the utility model provides a pre-heater before tower for methanol production, includes, gas pre-heater 1, and gas pre-heater 1 still includes preheating tank 101, and the equal fixed mounting in preheating tank 101 both ends outer wall has support 102, and support 102 is used for supporting preheating tank 101.
Preheating tank 101 both ends fixed welding respectively have methyl alcohol gas mixture intake pipe 103 and methyl alcohol gas mixture outlet duct 104, the inside fixed mounting of preheating tank 101 has spiral trachea 107, spiral trachea 107 both ends respectively with methyl alcohol gas mixture intake pipe 103 and methyl alcohol gas mixture outlet duct 104 fixed connection, the gas mixture pours into from methyl alcohol gas mixture intake pipe 103, in the in-process of the inside transportation of spiral trachea 107, with the inside steam contact of preheating tank 101, thereby accomplish gaseous preheating work, discharge from methyl alcohol gas mixture outlet duct 104 at last, the setting of spiral trachea 107 increases the area of methyl alcohol gas mixture and steam contact.
A gas baffle 108 is fixedly welded in the preheating tank 101, a hot gas inlet pipe 105 and a hot gas outlet pipe 106 are fixedly welded on the outer wall of one end of the preheating tank 101, which is far away from the methanol mixed gas outlet pipe 104, a vent hole 109 is fixedly arranged at one end of the gas baffle 108, which is close to the methanol mixed gas outlet pipe 104, the hot gas inlet pipe 105 is communicated with the hot gas outlet pipe 106 through the vent hole 109, hot gas flows above the gas baffle 108 after being injected from the hot gas inlet pipe 105, then enters the lower part of the air baffle 108 through the vent hole 109, finally is discharged from the reheat gas outlet pipe 106, the arrangement of the air baffle 108 increases the flowing distance of the hot gas, the hot gas circulates in the preheating tank 101 once by once, so that the residence time of the hot gas in the preheating tank 101 is doubled, thereby increasing the contact time of the methanol mixed gas and hot gas and greatly improving the preheating efficiency and the preheating effect of the methanol mixed gas.
The pneumatic air-cooled component 3 is fixedly assembled at the top end of the methanol mixed gas outlet pipe 104, the electric valve 2 is fixedly assembled at the top end of the pneumatic air-cooled component 3, the mixed gas firstly passes through the pneumatic air-cooled component 3 and then passes through the electric valve 2 after being discharged from the methanol mixed gas outlet pipe 104, and the electric valve 2 can be used for controlling the discharge capacity of the mixed gas.
The pneumatic air cooling assembly 3 further comprises an assembly housing 301, a transmission shaft 303 is rotatably mounted on one side inside the assembly housing 301, a fan blade 304 is fixedly sleeved on the outer surface of the transmission shaft 303 and located inside the assembly housing 301, the fan blade 304 is blown to rotate at a high speed in the process that the mixed gas passes through the assembly housing 301, so that the transmission shaft 303 rotates along with the transmission shaft, an outer frame body 302 is fixedly welded on one side of the outer wall of the assembly housing 301, a primary gear 305 is rotatably mounted inside the assembly housing 301, a primary belt 306 is fixedly sleeved on one end of the transmission shaft 303 and one side of the primary gear 305, the primary gear 305 is driven to rotate by the primary belt 306, a secondary gear 307 is rotatably mounted on the other end inside the assembly housing 301, the primary gear 305 is in meshing transmission connection with the secondary gear 307, a fan blade 308 is rotatably mounted on the top end of one side of the assembly housing 301, and a secondary belt 309 is fixedly sleeved on one side of the fan blade 308 and one side of the secondary gear 307, because primary gear 305 is connected with secondary gear 307 meshing transmission, combine the transmission of secondary belt 309, finally realize making the effect of fan blade 308 high-speed rotation, thereby produce powerful air current and blow to electrically operated valve 2, and then realize the pnematic refrigerated effect to electrically operated valve 2, guarantee electrically operated valve 2 during operation under high temperature environment, heat dissipation that can be timely, avoid the internal plant to damage because of high temperature, in addition, this pnematic refrigerated process, need not install extra electrical equipment, can not bring extra power consumption, can not increase the cost of device yet.
When the utility model is used, the mixed gas is injected from the methanol mixed gas inlet pipe 103 and contacts with the hot gas in the preheating tank 101 in the process of transporting the inside of the spiral gas pipe 107, so as to complete the preheating work of the gas, and finally the gas is discharged from the methanol mixed gas outlet pipe 104, and the arrangement of the spiral gas pipe 107 increases the contact area of the methanol mixed gas and the hot gas; in addition, after being injected from the hot gas inlet pipe 105, hot gas firstly flows above the gas barrier 108, then passes through the vent holes 109 to enter the lower part of the gas barrier 108, and finally is discharged from the hot gas outlet pipe 106, the arrangement of the gas barrier 108 increases the distance of the hot gas flowing, and the hot gas circulates in the preheating tank 101 one by one, so that the residence time of the hot gas in the preheating tank 101 is doubled, the contact time of the methanol mixed gas and the hot gas is prolonged, and the preheating efficiency and the preheating effect of the methanol mixed gas are greatly improved;
and finally: after the mixed gas is discharged from the methanol mixed gas outlet pipe 104, the mixed gas firstly passes through the pneumatic air cooling component 3 and then passes through the electric valve 2, the electric valve 2 can be used for controlling the discharge capacity of the mixed gas, the mixed gas blows the fan blades 304 to rotate at high speed in the process of passing through the assembly shell 301, so that the transmission shaft 303 rotates along with the rotation, and then the primary belt 306 drives the primary gear 305 to rotate, the primary gear 305 is in meshing transmission connection with the secondary gear 307 and is combined with the transmission of the secondary belt 309, so that the effect of rotating the fan blades 308 at high speed is finally realized, and strong airflow is generated to blow towards the electric valve 2, thereby realizing the pneumatic cooling effect of the electric valve 2, ensuring that the electric valve 2 can timely dissipate heat when working in a high-temperature environment, avoiding the internal equipment from being damaged due to high-temperature pneumatic operation, and in addition, the cooling process does not need to install additional electric equipment and can not bring additional power consumption, and the cost of the device is not increased.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A pre-heater before tower for methanol production, which is characterized by comprising: a gas preheater (1);
the gas preheater (1) further comprises a preheating tank (101), a methanol mixed gas inlet pipe (103) and a methanol mixed gas outlet pipe (104) are fixedly welded at two ends of the preheating tank (101) respectively, a gas baffle plate (108) is fixedly welded inside the preheating tank (101), and a hot gas inlet pipe (105) and a hot gas outlet pipe (106) are fixedly welded on the outer wall of one end, far away from the methanol mixed gas outlet pipe (104), of the preheating tank (101);
methyl alcohol mist outlet duct (104) top is fixed to be assembled with pneumatic air-cooled subassembly (3), pneumatic air-cooled subassembly (3) top is fixed to be assembled with electric valve (2), pneumatic air-cooled subassembly (3) still include equipment casing (301), the inside one side of equipment casing (301) is rotated and is installed transmission shaft (303), transmission shaft (303) surface is located the fixed cover in inside of equipment casing (301) is equipped with flabellum (304).
2. A pre-heater for a methanol production tower as defined in claim 1, wherein: the preheating tank (101) is internally and fixedly provided with a spiral air pipe (107), and two ends of the spiral air pipe (107) are respectively and fixedly connected with the methanol mixed gas inlet pipe (103) and the methanol mixed gas outlet pipe (104).
3. A pre-heater for a methanol production tower according to claim 2, wherein: the one end that gas shield (108) are close to methyl alcohol gas mixture outlet duct (104) is fixed to be seted up air vent (109), steam intake pipe (105) with steam outlet duct (106) pass through air vent (109) communicate with each other.
4. A pre-heater for a methanol production tower according to claim 3, wherein: the outer walls of two ends of the preheating tank (101) are fixedly provided with supports (102), and the supports (102) are used for supporting the preheating tank (101).
5. A pre-heater for a methanol production tower as defined in claim 1, wherein: the fixed welding in equipment casing (301) outer wall one side has outer support body (302), equipment casing (301) inside rotation installs primary gear (305), transmission shaft (303) one end and the fixed cover in primary gear (305) one side is equipped with primary belt (306).
6. A pre-heater for a methanol production tower according to claim 5, wherein: and a secondary gear (307) is rotatably installed at the other end in the assembling shell (301), and the primary gear (305) is in meshed transmission connection with the secondary gear (307).
7. A pre-heater for a methanol production tower according to claim 6, wherein: the fan blade (308) is rotatably installed at the top end of one side of the assembly shell (301), and a secondary belt (309) is fixedly sleeved on one side of the fan blade (308) and one side of the secondary gear (307).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270741.3U CN215003058U (en) | 2021-06-07 | 2021-06-07 | Pre-heater before tower for methanol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121270741.3U CN215003058U (en) | 2021-06-07 | 2021-06-07 | Pre-heater before tower for methanol production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215003058U true CN215003058U (en) | 2021-12-03 |
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ID=79130630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121270741.3U Active CN215003058U (en) | 2021-06-07 | 2021-06-07 | Pre-heater before tower for methanol production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215003058U (en) |
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2021
- 2021-06-07 CN CN202121270741.3U patent/CN215003058U/en active Active
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