CN108786664A - A kind of multistage thermostatic type cold shocking type methanol synthesis reactor - Google Patents
A kind of multistage thermostatic type cold shocking type methanol synthesis reactor Download PDFInfo
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- CN108786664A CN108786664A CN201810490212.0A CN201810490212A CN108786664A CN 108786664 A CN108786664 A CN 108786664A CN 201810490212 A CN201810490212 A CN 201810490212A CN 108786664 A CN108786664 A CN 108786664A
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- several
- temperature
- heat
- tower body
- exchange tube
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 20
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 19
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 11
- 239000010432 diamond Substances 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- 238000004378 air conditioning Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/001—Controlling catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0242—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly vertical
- B01J8/025—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly vertical in a cylindrical shaped bed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
- B01J8/0285—Heating or cooling the reactor
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00026—Controlling or regulating the heat exchange system
- B01J2208/00035—Controlling or regulating the heat exchange system involving measured parameters
- B01J2208/00044—Temperature measurement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00008—Controlling the process
- B01J2208/00017—Controlling the temperature
- B01J2208/00106—Controlling the temperature by indirect heat exchange
- B01J2208/00115—Controlling the temperature by indirect heat exchange with heat exchange elements inside the bed of solid particles
- B01J2208/00132—Tubes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention belongs to methanol synthesis technology fields,More particularly to a kind of multistage thermostatic type cold shocking type methanol synthesis reactor,Including tower body,Tower body is internally provided with several diamond shape distributors,It is equipped with temperature balancing device below each diamond shape distributor,Temperature balancing device includes several temperature sensors of the horizontally disposed heat-exchange tube that several are mutually parallel and distribution heat-exchange tube upper and lower position,Several heat-exchange tube one end are connected with escape pipe by multiple-way valve,The other end is connected with air inlet pipe by another multiple-way valve,It is equipped with independent solenoid valve on each heat-exchange tube,Each air inlet pipe all extends to tower body and is externally connected with independent air pump,It is provided with several temperature control equipments outside tower body,Overcome the deficiencies in the prior art,The effective catalyst activity different problems for improving bed temperature and fluctuating larger caused different height,Greatly improve the synthetic ratio and raw material availability of methanol.
Description
Technical field
The invention belongs to methanol synthesis technology fields, and in particular to a kind of multistage thermostatic type cold shocking type methanol synthesis reaction
Device.
Background technology
Synthesizing methanol is a kind of chemical substance, is one of the primary raw material of Organic Chemical Industry, and synthetic tower is erect type pipe
Shell-type fills catalyst in pipe；Can also be that filling is tower, so can survey many places in tower is passed through cold raw material to control reaction temperature
Degree.The unreacting gas of compressed unstripped gas and cycle mixes, through with react generation gas progress heat exchange after, into synthesis
Tower is reacted by catalyst bed, and reaction generates gas after heat exchange cools down, and methanol condensed isolates first through separator
Alcohol, gas recycling are mixed with unstripped gas.
Wherein existing multistage cold shocking type methanol synthesis reactor needs synthesis gas to be preheating to 230-250 DEG C into reaction
Device, it is intersegmental that cold shock gas blowout is entered into bed intermediate temperature drop with diamond shape distributor.But the reactor layer bed tempertaure is with the change of its height
Change and different, bed temperature fluctuation is larger, causes the catalyst activity difference of different height, and the arrangement activity of catalyst cannot have
The performance of effect, space-time yield and economic benefit performance are relatively low.
Invention content
The purpose of the present invention is to provide a kind of multistage thermostatic type cold shocking type methanol synthesis reactors, overcome the prior art
Deficiency, independent temperature balancing device is set below each diamond shape distributor, temperature balancing device is by being connected thereto
Air pump and surge tank the gas of required temperature is conveyed to it, and selection is changed according to local temperature and opens and closes corresponding electricity
Magnet valve, to realize constant temperature effect in tower body, temperature control is accurately effective, effectively improve bed temperature fluctuation it is larger caused by not
Level catalyst activity different problems greatly improve the synthetic ratio and raw material availability of methanol, simultaneous buffering tank
Using air-conditioning temperature control, temperature control is simply accurate.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of multistage thermostatic type cold shocking type methanol synthesis reactor, including tower body, the tower body top is equipped with feed inlet, lower section is set
There are discharge port and catalyst feeds, be internally provided with several diamond shape distributors, is equipped with below each diamond shape distributor
Temperature balancing device, the temperature balancing device include that the horizontally disposed heat-exchange tube that several are mutually parallel and distributed heat are handed over
Change several temperature sensors of pipe upper and lower position, several described heat-exchange tube one end by multiple-way valve be connected with escape pipe,
The other end is connected with air inlet pipe by another multiple-way valve, and independent solenoid valve is equipped on each heat-exchange tube, described
Each air inlet pipe all extends to tower body and is externally connected with independent air pump, several temperature control equipments, institute are provided with outside the tower body
Several temperature control equipments are stated to correspond and be connected with each other with several independent air pumps and several temperature balancing devices, it is described
Temperature control equipment connects with independent air pump respectively at corresponding temperature sensor, solenoid valve and controls solenoid valve and independence
The startup and closing of air pump.
Further, the escape pipe extends to outside tower body and is connected with heat-energy recovering apparatus.
Further, the temperature control equipment includes controller, air-conditioning device and surge tank, the air-conditioning device and buffering
Gas temperature in tank connection control surge tank, the surge tank are connect with independent air pump air inlet for in temperature balancing device
Convey required temperature gas.
Further, setting supporting table and the support leg being arranged below supporting table below the tower body, in the supporting table
Equipped with vertical rack, several placed layers, several temperature control dress are divided by level board on the vertical rack
It sets and corresponds and be placed in placed layer with several placed layers.
Further, the heat-energy recovering apparatus includes water storage tank and the heat-exchange tube that is arranged in water storage tank, the outlet
Pipe is connected to heat-exchange tube.
The present invention compared with prior art, has advantageous effect.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of multistage thermostatic type cold shocking type methanol synthesis reactor.
Fig. 2 is a kind of partial enlargement structural representation of multistage thermostatic type cold shocking type methanol synthesis reactor.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown, a kind of multistage thermostatic type cold shocking type methanol synthesis reactor of the present invention, including tower body 1, it is described
1 top of tower body is equipped with feed inlet 11, lower section is equipped with discharge port 12 and catalyst feeds 13, is internally provided with the distribution of several diamond shapes
Device 14,14 lower section of each diamond shape distributor are equipped with temperature balancing device 2, and the temperature balancing device 2 is set including level
Several temperature sensors 22 of several heat-exchange tubes being mutually parallel 21 and distribution heat-exchange tube upper and lower position for setting, it is described
Several 21 one end of heat-exchange tube are connected with escape pipe 31 by multiple-way valve, the other end is connected with air inlet by another multiple-way valve
Pipe 3 is equipped with independent solenoid valve 211 on each heat-exchange tube 21, and each air inlet pipe 3, which all extends to outside tower body, to be connected
Be connected to independent air pump 4, several temperature control equipments be provided with outside the tower body 1, if several described temperature control equipments with
Dry independent air pump 4 and several temperature balancing devices 2 are corresponded and are connected with each other, the temperature control equipment respectively at its
Corresponding temperature sensor, solenoid valve connect with independent air pump and control the startup and closing of solenoid valve and independent air pump.
Further, the escape pipe extends to outside tower body and is connected with heat-energy recovering apparatus 7.
Further, the temperature control equipment includes controller, air-conditioning device 6 and surge tank 5, the air-conditioning device with it is slow
Gas temperature in tank connection control surge tank is rushed, the surge tank is connect with independent air pump air inlet for temperature balancing device
Interior conveying required temperature gas.
Further, setting supporting table 8 and the support leg 81 being arranged below supporting table, the supporting table below the tower body
8 are equipped with vertical rack 82, are divided into several placed layers, several described temperature by level board 83 on the vertical rack
Control device and several placed layers are corresponded and are placed in placed layer.
Further, the heat-energy recovering apparatus includes water storage tank and the heat-exchange tube that is arranged in water storage tank, the outlet
Pipe is connected to heat-exchange tube.
To sum up, a kind of multistage thermostatic type cold shocking type methanol synthesis reactor of the present invention, in each diamond shape distributor
Independent temperature balancing device is arranged in lower section, and temperature balancing device is by air pump connected to it and surge tank to needed for its conveying
The gas of temperature, and selection is changed according to local temperature and opens and closes corresponding solenoid valve, to realize, constant temperature is imitated in tower body
Fruit, temperature control is accurately effective, effectively improve bed temperature fluctuate it is larger caused by different height catalyst activity it is different
Problem greatly improves the synthetic ratio and raw material availability of methanol.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (5)
1. a kind of multistage thermostatic type cold shocking type methanol synthesis reactor, including tower body, the tower body top is equipped with feed inlet, lower section
Equipped with discharge port and catalyst feeds, it is internally provided with several diamond shape distributors, it is characterised in that：Each diamond shape distribution
It is equipped with temperature balancing device below device, the temperature balancing device includes the horizontally disposed heat exchange that several are mutually parallel
Several temperature sensors of pipe and distribution heat-exchange tube upper and lower position, several described heat-exchange tube one end are connected by multiple-way valve
Be connected to escape pipe, the other end is connected with air inlet pipe by another multiple-way valve, be equipped on each heat-exchange tube independent
Solenoid valve, each air inlet pipe all extend to tower body and are externally connected with independent air pump, several temperature are provided with outside the tower body
Control device, several described temperature control equipments and several independent air pumps and several temperature balancing devices one-to-one correspondence and phase
It connects, the temperature control equipment is connected and controlled with independent air pump respectively at corresponding temperature sensor, solenoid valve
The startup and closing of solenoid valve and independent air pump.
2. a kind of multistage thermostatic type cold shocking type methanol synthesis reactor according to claim 1, it is characterised in that：The outlet
Pipe extends to outside tower body and is connected with heat-energy recovering apparatus.
3. a kind of multistage thermostatic type cold shocking type methanol synthesis reactor according to claim 1, it is characterised in that：The temperature
Control device includes controller, air-conditioning device and surge tank, and the air-conditioning device connect gas in control surge tank with surge tank
Temperature, the surge tank are connect with independent air pump air inlet for conveying required temperature gas in temperature balancing device.
4. a kind of multistage thermostatic type cold shocking type methanol synthesis reactor according to claim 1, it is characterised in that：The tower body
The support leg that lower section is arranged supporting table and is arranged below supporting table, the supporting table are equipped with vertical rack, the vertical branch
It is divided into several placed layers, several described temperature control equipments and several placed layers to correspond by level board on frame
And it is placed in placed layer.
5. a kind of multistage thermostatic type cold shocking type methanol synthesis reactor according to claim 3, it is characterised in that：The thermal energy
Retracting device includes water storage tank and the heat-exchange tube that is arranged in water storage tank, and the escape pipe is connected to heat-exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490212.0A CN108786664A (en) | 2018-05-21 | 2018-05-21 | A kind of multistage thermostatic type cold shocking type methanol synthesis reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810490212.0A CN108786664A (en) | 2018-05-21 | 2018-05-21 | A kind of multistage thermostatic type cold shocking type methanol synthesis reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108786664A true CN108786664A (en) | 2018-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810490212.0A Pending CN108786664A (en) | 2018-05-21 | 2018-05-21 | A kind of multistage thermostatic type cold shocking type methanol synthesis reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108786664A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468043A (en) * | 2020-03-13 | 2020-07-31 | 宁波巨化化工科技有限公司 | Fixed bed reactor with bed temperature uniformly distributed |
| CN112206721A (en) * | 2019-07-12 | 2021-01-12 | 中国石油化工股份有限公司 | Fixed bed reactor and hydrogenation catalyst regeneration method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009052764A1 (en) * | 2007-10-19 | 2009-04-30 | Ren Lou | A composite reaction apparatus and the chemical production method using the same |
| KR20100087388A (en) * | 2007-12-18 | 2010-08-04 | 닛끼 가부시끼가이샤 | Method of regulating temperature in reaction vessel, reactor, and process for producing dimethyl ether |
| US20120305446A1 (en) * | 2011-06-06 | 2012-12-06 | Daily Jeffrey N | Controlling temperature within a catalyst bed in a reactor vessel |
| CN203750514U (en) * | 2014-03-06 | 2014-08-06 | 山西潞安矿业(集团)有限责任公司 | Reactor for producing gasoline by using synthesis gas |
| CN204583142U (en) * | 2015-03-10 | 2015-08-26 | 南京国昌化工科技有限公司 | A kind of reaction unit temperature control system |
| CN208757535U (en) * | 2018-05-21 | 2019-04-19 | 合肥嘉科工贸有限公司 | A kind of multistage thermostatic type cold shocking type methanol synthesis reactor |
-
2018
- 2018-05-21 CN CN201810490212.0A patent/CN108786664A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009052764A1 (en) * | 2007-10-19 | 2009-04-30 | Ren Lou | A composite reaction apparatus and the chemical production method using the same |
| KR20100087388A (en) * | 2007-12-18 | 2010-08-04 | 닛끼 가부시끼가이샤 | Method of regulating temperature in reaction vessel, reactor, and process for producing dimethyl ether |
| US20120305446A1 (en) * | 2011-06-06 | 2012-12-06 | Daily Jeffrey N | Controlling temperature within a catalyst bed in a reactor vessel |
| CN203750514U (en) * | 2014-03-06 | 2014-08-06 | 山西潞安矿业(集团)有限责任公司 | Reactor for producing gasoline by using synthesis gas |
| CN204583142U (en) * | 2015-03-10 | 2015-08-26 | 南京国昌化工科技有限公司 | A kind of reaction unit temperature control system |
| CN208757535U (en) * | 2018-05-21 | 2019-04-19 | 合肥嘉科工贸有限公司 | A kind of multistage thermostatic type cold shocking type methanol synthesis reactor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112206721A (en) * | 2019-07-12 | 2021-01-12 | 中国石油化工股份有限公司 | Fixed bed reactor and hydrogenation catalyst regeneration method |
| CN111468043A (en) * | 2020-03-13 | 2020-07-31 | 宁波巨化化工科技有限公司 | Fixed bed reactor with bed temperature uniformly distributed |
| CN111468043B (en) * | 2020-03-13 | 2022-04-08 | 宁波巨化化工科技有限公司 | Fixed bed reactor with bed temperature uniformly distributed |
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Application publication date: 20181113 |