CN208018582U - Formaldehyde catalyst contrast experiment's self-balancing consersion unit - Google Patents
Formaldehyde catalyst contrast experiment's self-balancing consersion unit Download PDFInfo
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- CN208018582U CN208018582U CN201820161340.6U CN201820161340U CN208018582U CN 208018582 U CN208018582 U CN 208018582U CN 201820161340 U CN201820161340 U CN 201820161340U CN 208018582 U CN208018582 U CN 208018582U
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Abstract
The utility model is related to COMPARATIVE CATALYST's experimental technique fields.The utility model provides a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit, including the reaction member and conduction oil unit being connected；Reaction member includes the reactor for having shell side.Conduction oil unit includes heat conduction oil tank, Heat-transfer Oil Pump, electric heater for heat conduction oil, heat conduction oil cooler；Heat conduction oil tank is connected via Heat-transfer Oil Pump, electric heater for heat conduction oil with the shell side lower part of reactor, and the shell side top of reactor is connected with heat conduction oil cooler, and heat conduction oil cooler is connected with heat conduction oil tank；Reactor bottom is equipped with heat-conducting oil heating coil pipe.This COMPARATIVE CATALYST tests self-balancing consersion unit and is primarily adapted for use in the contrast test of formaldehyde catalyst, while being also applied for the contrast test of various tubular reaction catalyst.Self-balancing can be realized for highly exothermic, middle heat release, weak-exothermic reaction.
Description
Technical field
The utility model is related to COMPARATIVE CATALYST's experimental technique fields, and in particular to a kind of formaldehyde catalyst contrast experiment from
Balanced reaction equipment.
Background technology
Formaldehyde catalyst type is various at present, but the really research to the proportioning of catalyst and filling scheme and few.Row
The big portion of heat transmission of tubular reactor is realized using thermosiphon principle, but the reaction of COMPARATIVE CATALYST's experimental provision is set
It is standby, it not only needs to carry out the comparison of two kinds of catalyst under the same conditions, while also to realize in different catalyst exotherm rings
Heat under border removes, and can be continuously improved and reduce the heat and temperature that reaction is removed according to the needs of reaction process.Catalysis
Agent not only depends on the active component with catalyst using activity and service life, while also having with the proportioning of catalyst and filling scheme
It closes.
Prepn. of formaldehyde by oxidation of methanol catalyst is tested under identical process conditions, could preferably go out good catalyst
And loading method, so it is extremely necessary to invent a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit.
Utility model content
In order to solve the above technical problems, a kind of formaldehyde catalyst contrast experiment self-balancing reaction of the utility model offer is set
It is standby, it is primarily adapted for use in the contrast test of formaldehyde catalyst, is set for prepn. of formaldehyde by oxidation of methanol successive reaction contrast experiment sizing
Meter, while being also applied for the contrast test of various tubular reaction catalyst.For highly exothermic, middle heat release, weak-exothermic reaction
It can realize Self-balancing.
To achieve the above object, the utility model provides following technical scheme：
A kind of formaldehyde catalyst contrast experiment self-balancing consersion unit, including reaction member and conduction oil unit；Reaction is single
Member includes the reactor for having shell side, and conduction oil unit includes heat conduction oil tank, Heat-transfer Oil Pump, electric heater for heat conduction oil, conduction oil
Cooler；Heat conduction oil tank is connected via Heat-transfer Oil Pump, electric heater for heat conduction oil with the shell side lower part of reactor, the shell of reactor
Journey top is connected with heat conduction oil cooler, and heat conduction oil cooler is connected with heat conduction oil tank.
Further, the reactor bottom is equipped with heat-conducting oil heating coil pipe.
Further, the heat conduction oil cooler is connected by nitrogen pipeline with source nitrogen, is set in the nitrogen pipeline
There is nitrogen Staged cotrol valve group.
Further, the conduction oil unit further includes water tank, and the water tank is connected with the heat conduction oil cooler
It is logical.
Further, deionized water is loaded in the water tank, heat conduction oil cooler top is equipped with tube sheet, described
The lower part liquid level of water tank is concordant with the heat conduction oil cooler upper tube sheet.
Further, the reactor is shell and tube reactor.
Further, two bundle of reaction tubes are evenly distributed in the shell side of the reactor, two bundle of reaction tubes is interior respectively
Catalyst added with different model is equipped with conduction oil between the shell side and the bundle of reaction tubes.
Further, temperature, pressure instrumentation are equipped in the reactor.
Further, the reactor is connected with the outlet of the process gas of prepn. of formaldehyde by oxidation of methanol process units.
Further, the operating pressure of this consersion unit ranging from 0~100Kpa, operating temperature range are 260~350
℃；Conduction oil operating temperature range is 260~300 DEG C.
From the foregoing, it will be observed that contrast experiment's self-balancing reactor of the utility model, for weak-exothermic reaction, reaction heat release itself
Amount is inadequate, it is difficult to realize the control to temperature ± 1 DEG C by heat conduction oil gasification, requires supplementation with heat, the setting of this reactor bottom
Heat-conducting oil heating coil pipe supplements insufficient heat, ensures heat conduction oil gasification, realizes the self-balancing control of reactor heat constant temperature system
System realizes repeats itself using heat-conduction oil heat siphon principle；For middle exothermic reaction, heat-conducting oil heating coil pipe is closed, by anti-
The heat release of itself is answered, realizes conduction oil gasification equilibrium, realizes the control to temperature ± 1 DEG C, additional heat is not necessarily to, utilizes conduction oil
Thermosiphon principle realizes repeats itself；For highly exothermic reaction, conduction oil largely gasifies, and by heat conduction oil cooler, carries out cold
But it detaches, repeats itself is realized using heat-conduction oil heat siphon principle.The technique of reactor and prepn. of formaldehyde by oxidation of methanol process units
Gas outlet is connected, and tubulation shares a shell side, is conduction oil of the same race in shell side, by above structure to realize same process item
Part carries out contrast test.
Description of the drawings
Fig. 1 is the flow letter of one embodiment of formaldehyde catalyst contrast experiment's self-balancing consersion unit of the utility model
Figure；
Fig. 2 is the conduction oil of the reactor bottom of formaldehyde catalyst contrast experiment's self-balancing consersion unit of the utility model
Heating coil schematic diagram.
Specific implementation mode
Below in conjunction with attached drawing, above-mentioned to the utility model and other technical characteristic and advantage are described in more detail.
As shown in Figure 1：A kind of formaldehyde catalyst contrast experiment self-balancing consersion unit, including reaction member and conduction oil list
Member；Reaction member includes the reactor R1001 for having shell side, conduction oil unit include heat conduction oil tank V-32, Heat-transfer Oil Pump P-31,
Electric heater for heat conduction oil H-33, heat conduction oil cooler HE-34；Heat conduction oil tank V-32 adds via Heat-transfer Oil Pump P-31, conduction oil electricity
Hot device H-33 is connected with the shell side lower part of reactor R1001, and the shell side top of reactor is connected with heat conduction oil cooler HE-34
Logical, heat conduction oil cooler HE-34 is connected with heat conduction oil tank V-32.
Preferably, reactor bottom is equipped with heat-conducting oil heating coil pipe.
Preferably, heat conduction oil cooler HE-34 is connected by nitrogen pipeline with source nitrogen (not shown), nitrogen tube
Road is equipped with nitrogen Staged cotrol valve group FV306A/FV306B.
Preferably, conduction oil unit further includes water tank V-30, and water tank V-30 is connected with heat conduction oil cooler HE-34
It is logical.
Preferably, deionized water is loaded in water tank V-30, the tops heat conduction oil cooler HE-34 are equipped with tube sheet, water storage
The lower part liquid level of tank is concordant with heat conduction oil cooler upper tube sheet.
Preferably, reactor is shell and tube reactor.
Preferably, it is evenly distributed with two bundle of reaction tubes in the shell side of reactor, difference is added with respectively in two bundle of reaction tubes
The catalyst of model is equipped with conduction oil between shell side and bundle of reaction tubes.
Preferably, temperature instrument TI112, TI212, TI111, TI210, pressure instrumentation are equipped in reactor
PI113、PI213、PI110、PI211。
Preferably, reactor is connected with the outlet of the process gas of prepn. of formaldehyde by oxidation of methanol process units.
Preferably, the operating pressure of this consersion unit ranging from 0~100Kpa, operating temperature range are 260~350 DEG C；
Conduction oil operating temperature range is 260~300 DEG C.
It is typical real below in conjunction with one of a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit of the utility model
Example is applied, the consersion unit of the utility model is described in detail, wherein：
1. reaction member：
Process gas enters the end socket of reactor R1001 shell sides, and end socket is uniformly divided into equalization in end socket inner route clapboard
Two parts, each section are equipped with the bundle of reaction tubes of different catalysts, exchange heat with conduction oil is connected in reactor R1001 shell sides,
After reaching reaction temperature, process gas is reacted under the effect of the catalyst, after reaction product is entered by shell-side outlet end socket
System.
Reactor R1001 shell sides, which are imported and exported, is equipped with temperature instrument TI112, TI212, TI111, TI210, pressure in end socket
Tension gauge table PI113, PI213, PI110, PI211, be equipped between upper and lower shell-side head pressure differential detection instrument PDI316,
PDI321 can realize the accurate metering of pressure and temp.Be equipped in bundle of reaction tubes 9 groups of temperature temperature measurement component TE101/TE201,
TE102/TE202、TE103/TE203、TE104/TE204、TE105/TE205、TE106/TE206、TE107/TE207、
TE108/TE208, TE109/TE209 can detect top-down 9 groups of temperature, and pass through at distribution type control system (DCS)
Reason, final displays temperature dot chart, and show hot(test)-spot temperature position.
Reactor feed gas exported product gas should be equipped with flow-meter (not in this reactor), combination temperature detector
Table TI111, TI210, pressure instrumentation PI110, PI211, pressure differential detection instrument PDI316, PDI321, pass through above-mentioned instrument
Data acquisition can be carried out to reaction process.
2. conduction oil unit:
Conduction oil transport system is by heat conduction oil tank V-32, Heat-transfer Oil Pump P-31, electric heater for heat conduction oil H-33, heat conduction oil cooling
But the compositions such as device HE-34, conduction oil are stored in heat conduction oil tank V-32, are driven initial stage, after Heat-transfer Oil Pump P31 pressurizations, by
Electric heater for heat conduction oil H-33 heating, is sent into the shell side of the lower parts reactor R1001, after heating up to catalyst in shell side,
Reactor R1001 shell sides, which are left, from shell side top enters heat conduction oil cooler HE-34, it is cooling in heat conduction oil cooler HE-34
After return to heat conduction oil tank V-32, so recycle.
In reactor after normal reaction, Heat-transfer Oil Pump P-31 and electric heater for heat conduction oil H-33 are closed, and open HV-327,
Conduction oil carries out normal circulation according to thermosiphon principle.
For weak-exothermic reaction, reaction thermal discharge itself is inadequate, it is difficult to be realized to temperature ± 1 DEG C by heat conduction oil gasification
Control requires supplementation with heat, this reactor R1001 is provided with reactor bottom heat-conducting oil heating coil pipe, by such form, mends
Insufficient heat is filled, ensures heat conduction gasification, realizes the self-balancing control of reactor heat constant temperature system.It is former using heat-conduction oil heat siphon
Reason realizes repeats itself.
For middle exothermic reaction, conduction oil coil pipe heater is closed, by reacting the heat release of itself, realizes heat conduction oil gasification
Balance realizes the control to temperature ± 1 DEG C, is not necessarily to additional heat, and repeats itself is realized using heat-conduction oil heat siphon principle.
For highly exothermic reaction, conduction oil largely gasifies, and by heat conduction oil cooler HE-34, is cooled down, utilizes heat conduction
Oily thermosiphon principle realizes repeats itself.
Reactor R1001 can realize the autobalance of conduction oil gasification temperature, pass through the tops heat conduction oil cooler HE-34
The nitrogen Staged cotrol valve group FV306A/FV306B of setting adjusts conduction oil top nitrogen pressure, realizes to heat conduction oil gasification pressure
The balance of power controls, and is automatically controlled with the process of reaction to reactor R1001 reaction temperatures to realize.
Reactor R1001 can realize the balance Control Scheme of heat conduction oil cooler cooling medium, in water tank V-30
Deionized water is saved, the lower part liquid level of water tank V-30 is concordant with heat conduction oil cooler HE-34 upper tube sheets, when conduction oil is by gas
After change, gas is cooling inside heat conduction oil cooler HE-34, and cooler shell side water is gasified, and the vapor of gasification is in efferent duct
It is cooled into water in road, returns in water tank V-30, to realize self-balancing control.
The preferred embodiment that these are only the utility model, is merely illustrative for the utility model, rather than limit
Property processed.The structure and connection type etc. of each component may be changed in the utility model, every new in this practicality
The equivalents carried out on the basis of type technical solution and improvement should not exclude except the scope of protection of the utility model.
Claims (10)
1. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit, which is characterized in that including reaction member and conduction oil list
Member；The reaction member includes the reactor for having shell side；The conduction oil unit includes heat conduction oil tank, Heat-transfer Oil Pump, heat conduction
Oily electric heater, heat conduction oil cooler；The heat conduction oil tank via the Heat-transfer Oil Pump, the electric heater for heat conduction oil with it is described
The shell side lower part of reactor is connected, and the shell side top of the reactor is connected with the heat conduction oil cooler, the heat conduction
Oil cooler is connected with the heat conduction oil tank.
2. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as described in claim 1, which is characterized in that described anti-
Device bottom is answered to be equipped with heat-conducting oil heating coil pipe.
3. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as described in claim 1, which is characterized in that described to lead
Hot oil cooler is connected by nitrogen pipeline with source nitrogen, and the nitrogen pipeline is equipped with nitrogen Staged cotrol valve group.
4. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as described in claim 1, which is characterized in that described to lead
Deep fat unit further includes water tank, and the water tank is connected with the heat conduction oil cooler.
5. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as claimed in claim 4, which is characterized in that the storage
Be loaded with deionized water in water pot, heat conduction oil cooler top is equipped with tube sheet, the lower part liquid level of the water tank with it is described
Heat conduction oil cooler upper tube sheet is concordant.
6. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as described in claim 1, which is characterized in that described anti-
It is shell and tube reactor to answer device.
7. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as claimed in claim 6, which is characterized in that described anti-
It answers and is evenly distributed with two bundle of reaction tubes in the shell side of device, be added with the catalyst of different model in two bundle of reaction tubes respectively,
Conduction oil is equipped between the shell side and the bundle of reaction tubes.
8. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as claimed in claim 6, which is characterized in that described anti-
It answers and is equipped with temperature instrument, pressure instrumentation in device.
9. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as described in claim 1, which is characterized in that described anti-
Device is answered to be connected with the outlet of the process gas of prepn. of formaldehyde by oxidation of methanol process units.
10. a kind of formaldehyde catalyst contrast experiment self-balancing consersion unit as described in claim 1 to 9 is any, feature exist
In the operating pressure ranging from 0~100Kpa of this consersion unit, operating temperature range is 260~350 DEG C；Conduction oil operation temperature
Ranging from 260~300 DEG C of degree.
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| CN201820161340.6U CN208018582U (en) | 2018-01-31 | 2018-01-31 | Formaldehyde catalyst contrast experiment's self-balancing consersion unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108097175A (en) * | 2018-01-31 | 2018-06-01 | 新疆美克化工股份有限公司 | Formaldehyde catalyst contrast experiment's self-balancing consersion unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108097175A (en) * | 2018-01-31 | 2018-06-01 | 新疆美克化工股份有限公司 | Formaldehyde catalyst contrast experiment's self-balancing consersion unit |
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