CN207680578U - A kind of fixed bed reactors suitable for gas phase exothermic reaction - Google Patents
A kind of fixed bed reactors suitable for gas phase exothermic reaction Download PDFInfo
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- CN207680578U CN207680578U CN201721629454.0U CN201721629454U CN207680578U CN 207680578 U CN207680578 U CN 207680578U CN 201721629454 U CN201721629454 U CN 201721629454U CN 207680578 U CN207680578 U CN 207680578U
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Abstract
The utility model provides a kind of fixed bed reactors suitable for gas phase exothermic reaction, shunting is carried out to reaction mass by the second feed-inputing branched pipe to converge, adjust reacting material inlet flow and inlet temperature, prevent too fast thermal response excessively, the production water for reducing by-product, guarantees safe production；In addition, the outlet material for being used as the first shell and tube reactor of chilling material pair into reaction mass by the second feed-inputing branched pipe is suitably cooled down, and moves heat soon, to prevent reaction from too acutely causing overtemperature, it is also beneficial to reduce refrigerant dosage simultaneously, achievees the effect that energy-saving consumption-reducing；In addition, the utility model is shunted using two shell and tube reactors, cascade reaction, is conducive to gas phase and is uniformly mixed, material reaction is abundant, and conversion ratio is improved；The utility model provides a kind of fixed bed reactors suitable for gas phase exothermic reaction, reasonable design, move that heat is rapid, gas phase is uniformly mixed, reaction effect is good and can continuous production, suitable for industrial applications.
Description
Technical field
The utility model belongs to chemical engineering equipment technical field, more particularly, to a kind of suitable for gas phase exothermic reaction
Fixed bed reactors.
Background technology
Gas phase exothermic reaction is widely used in produce reality, and the control of reaction temperature often becomes the pass of reaction controlling
Key.Such as gas phase hydrogenation reaction, a large amount of reaction heat is will produce in reaction process, the peak value of reaction temperature is " hot spot " temperature
Degree.Closely control hot(test)-spot temperature can obtain higher product production rate, while the production rate of byproduct being made to be preferably minimized.Cause
This, the control of hot(test)-spot temperature usually becomes the major control point of gas phase exothermic reaction.Currently, how to the temperature of gas phase exothermic reaction
Degree control effectively, be always puzzlement both at home and abroad many scientific researches, design, production unit scientific worker a problem.
Utility model content
The purpose of this utility model is that for insufficient present in background technology, provide a kind of suitable for gas phase heat release
The fixed bed reactors of reaction.
For this purpose, the above-mentioned purpose of the utility model is achieved through the following technical solutions：
A kind of fixed bed reactors suitable for gas phase exothermic reaction, including：First shell and tube reactor, the second shell and tube
Reactor and redistributor for connecting the first shell and tube reactor and the second shell and tube reactor；First shell and tube is anti-
Answer device far from redistributor one end be equipped with the first reacting material inlet, the redistributor be equipped with the second reaction mass into
Mouthful, second shell and tube reactor is equipped with reacting product outlet in one end far from redistributor；First shell and tube is anti-
Device side wall is answered to be equipped with the first refrigerant inlet and the first refrigerant exit for flowing to adverse current with reaction mass；Second shell and tube is anti-
Device side wall is answered to be equipped with the second refrigerant inlet and the second refrigerant exit for flowing to adverse current with reaction mass；First reaction mass
Import is connected with the first feed-inputing branched pipe, and second reacting material inlet is connected with the second feed-inputing branched pipe, described first into
Material branch pipe and the second feed-inputing branched pipe are connected with charging manifold, and second feed-inputing branched pipe is equipped with the first regulating valve.First row
Row casing pack catalyst in tubular reactor and the second shell and tube reactor, circulate refrigerant in shell, may be used also outside reactor
The gas phase mixer for reinforcing mixed effect is arranged.Between first refrigerant inlet and the first refrigerant exit or the second refrigerant
Refrigerant flow direction between import and the second refrigerant exit and the first shell and tube reactor or the tubulation of the second shell and tube reactor
The flow direction of interior gas phase reaction material is reverse, is enable to fill the gas phase reaction material of exothermic heat of reaction with refrigerant
Divide and moves heat.
While using above-mentioned technical proposal, the utility model can also be used or be combined using further below
Technical solution：
Preferably, reacting material inlet one end of first shell and tube reactor is equipped with distributor, and the distributor is used
In the uniformly distributed reaction mass for entering the first reacting material inlet.
Preferably, first shell and tube reactor is equipped with the first refrigerant on the side wall of the downstream direction of reaction mass and arranges
Net mouth.
Preferably, second shell and tube reactor is equipped with the second refrigerant on the side wall of the downstream direction of reaction mass and arranges
Net mouth.
Preferably, first refrigerant inlet is connected with the first refrigerant feed pipe, is set on the first refrigerant feed pipe
There is the second regulating valve.
Preferably, second refrigerant inlet is connected with the second refrigerant feed pipe, is set on the second refrigerant feed pipe
There is third regulating valve.
Preferably, the first reacting material inlet is nearby equipped with temp probe on first shell and tube reactor；It is described again
Distributor is equipped with temperature and accident alarming is popped one's head in, and is additionally provided with pressure probe.Temp probe and temperature and accident alarming probe point
The second regulating valve and third regulating valve phase that the first refrigerant feed pipe and the second refrigerant feed pipe not corresponding thereto is equipped with
Association, by adjusting the aperture of the second regulating valve and third regulating valve with controlling reaction temperature；Temperature and accident alarming probe with
The first regulating valve on second feed-inputing branched pipe is associated, and adjusting first by the temperature measured in temperature and accident alarming probe adjusts
The aperture of valve is saved to control the temperature of the reacting material inlet of the second shell and tube reactor.
Compared with prior art, a kind of fixed bed reactors suitable for gas phase exothermic reaction provided by the utility model
It has the following advantages that：
The utility model provides a kind of fixed bed reactors suitable for gas phase exothermic reaction, passes through the second feed-inputing branched pipe pair
Reaction mass carries out shunting and converges, and adjusts reacting material inlet flow and inlet temperature, prevents too fast thermal response excessively, reduces by-product
The production water of object, guarantees safe production；In addition, being used as the first shell and tube of chilling material pair into reaction mass by the second feed-inputing branched pipe
The outlet material of reactor is suitably cooled down, and is moved heat soon, to prevent reaction from too acutely causing overtemperature, while being also beneficial to subtract
Few refrigerant dosage, achievees the effect that energy-saving consumption-reducing；In addition, the fixation provided by the utility model suitable for gas phase exothermic reaction
Bed reactor is conducive to gas phase and is uniformly mixed using two shell and tube reactors shuntings, cascade reactions, and material reaction is abundant, turns
Rate is improved；The utility model provides a kind of fixed bed reactors suitable for gas phase exothermic reaction, reasonable design, shifting
Hot rapid, gas phase is uniformly mixed, reaction effect is good and can continuous production, suitable for industrial applications.
Description of the drawings
Fig. 1 is a kind of schematic diagram of fixed bed reactors suitable for gas phase exothermic reaction provided by the utility model；
In figure：The first shell and tube reactors of 1-；The second shell and tube reactors of 2-；3- redistributors；4- distributors；5- is fed
Manifold；The first reacting material inlets of 101-；The first refrigerant inlets of 102-；The first refrigerant exits of 103-；The first refrigerants of 104- empty
Mouthful；201- reacting product outlets；The second refrigerant inlets of 202-；The second refrigerant exits of 203-；204- the second refrigerant discharging holes；301-
Second reacting material inlet；The first feed-inputing branched pipes of 501-；The second feed-inputing branched pipes of 502-；601- the first refrigerant feed pipes；602-
Two refrigerant feed pipes；The first regulating valves of 701-；The second regulating valves of 702-；703- third regulating valves；801- temp probes；802- temperature
Degree and accident alarming probe；803- pressure probes.
Specific implementation mode
The utility model is described in further detail with reference to the drawings and specific embodiments.
A kind of fixed bed reactors suitable for gas phase exothermic reaction, including：First shell and tube reactor 1, the second tubulation
Formula reactor 2 and redistributor 3 for connecting the first shell and tube reactor 1 and the second shell and tube reactor 2；First shell and tube
Reactor 1 is equipped with the first reacting material inlet 101 in one end far from redistributor 3, and redistributor 3 is equipped with the second reactant
Expect that import 301, the second shell and tube reactor 2 are equipped with reacting product outlet 201 in one end far from redistributor 3；First tubulation
1 side wall of formula reactor is equipped with the first refrigerant inlet 102 and the first refrigerant exit 103 that adverse current is flowed to reaction mass；Second
2 side wall of shell and tube reactor is equipped with the second refrigerant inlet 202 and the second refrigerant exit 203 that adverse current is flowed to reaction mass；
First reacting material inlet 101 is connected with the first feed-inputing branched pipe 501, the second reacting material inlet 301 and the second feed-inputing branched pipe
502 are connected, and the first feed-inputing branched pipe 501 and the second feed-inputing branched pipe 502 are connected with charging manifold 5, on the second feed-inputing branched pipe 502
Equipped with the first regulating valve 701.Row casing pack catalyst in first shell and tube reactor and the second shell and tube reactor, in shell
Circulate refrigerant, and the gas phase mixer for reinforcing mixed effect is may be provided for outside reactor.First refrigerant inlet and first
Between refrigerant exit or between the second refrigerant inlet and the second refrigerant exit refrigerant flow direction with the first shell and tube reactor or
The flow direction of gas phase reaction material in the tubulation of the second shell and tube reactor of person is reverse, is enable to refrigerant to reaction
Exothermic gas phase reaction material carries out fully moving heat.
Reacting material inlet one end of first shell and tube reactor 1 is equipped with distributor 4, and distributor 4 is for uniformly entering the
The reaction mass of one reacting material inlet.Certainly, the first reacting material inlet 101 can be arranged on distributor 4.
First shell and tube reactor 1 is equipped with the first refrigerant discharging hole 104 on the side wall of the downstream direction of reaction mass；The
Two shell and tube reactors 2 are equipped with the second refrigerant discharging hole 204 on the side wall of the downstream direction of reaction mass.
First refrigerant inlet 102 is connected with the first refrigerant feed pipe 601, and the first refrigerant feed pipe 601 is equipped with second
Regulating valve 702.
Second refrigerant inlet 202 is connected with the second refrigerant feed pipe 602, and the second refrigerant feed pipe 602 is equipped with third
Regulating valve 703.
First reacting material inlet 101 is nearby equipped with temp probe 801 on first shell and tube reactor 1；On redistributor 3
Equipped with temperature and accident alarming probe 802, it is additionally provided with pressure probe 803.Temp probe and temperature and accident alarming probe difference
The second regulating valve that the first refrigerant feed pipe and the second refrigerant feed pipe corresponding thereto is equipped with is related to third regulating valve
Connection, by adjusting the aperture of the second regulating valve and third regulating valve with controlling reaction temperature；Temperature and accident alarming probe and the
The first regulating valve on two feed-inputing branched pipes is associated, and adjusting first by the temperature measured in temperature and accident alarming probe is adjusted
The aperture of valve is to control the temperature of the reacting material inlet of the second shell and tube reactor.
Above-mentioned specific implementation mode is used for illustrating the utility model, the only preferred embodiment of the utility model, and
It is not to limit the utility model, it is new to this practicality in the spirit and scope of the claims of the utility model
Any modification, equivalent substitution, improvement and etc. that type is made, both fall within the scope of protection of the utility model.
Claims (7)
1. a kind of fixed bed reactors suitable for gas phase exothermic reaction, which is characterized in that described to be suitable for gas phase exothermic reaction
Fixed bed reactors include：First shell and tube reactor, the second shell and tube reactor and for connect the first tubular reaction
The redistributor of device and the second shell and tube reactor；First shell and tube reactor is equipped with the in one end far from redistributor
One reacting material inlet, the redistributor are equipped with the second reacting material inlet, and second shell and tube reactor is separate
One end of redistributor is equipped with reacting product outlet；The first shell and tube reactor side wall is inverse equipped with being flowed to reaction mass
The first refrigerant inlet and the first refrigerant exit of stream；The second shell and tube reactor side wall is inverse equipped with being flowed to reaction mass
The second refrigerant inlet and the second refrigerant exit of stream；First reacting material inlet is connected with the first feed-inputing branched pipe, described
Second reacting material inlet is connected with the second feed-inputing branched pipe, first feed-inputing branched pipe and the second feed-inputing branched pipe and charging manifold
It is connected, second feed-inputing branched pipe is equipped with the first regulating valve.
2. the fixed bed reactors according to claim 1 suitable for gas phase exothermic reaction, which is characterized in that described first
Reacting material inlet one end of shell and tube reactor be equipped with distributor, the distributor for uniformly enter the first reaction mass into
The reaction mass of mouth.
3. the fixed bed reactors according to claim 1 suitable for gas phase exothermic reaction, which is characterized in that described first
Shell and tube reactor is equipped with the first refrigerant discharging hole on the side wall of the downstream direction of reaction mass.
4. the fixed bed reactors according to claim 1 suitable for gas phase exothermic reaction, which is characterized in that described second
Shell and tube reactor is equipped with the second refrigerant discharging hole on the side wall of the downstream direction of reaction mass.
5. the fixed bed reactors according to claim 1 suitable for gas phase exothermic reaction, which is characterized in that described first
Refrigerant inlet is connected with the first refrigerant feed pipe, and the first refrigerant feed pipe is equipped with the second regulating valve.
6. the fixed bed reactors according to claim 1 suitable for gas phase exothermic reaction, which is characterized in that described second
Refrigerant inlet is connected with the second refrigerant feed pipe, and the second refrigerant feed pipe is equipped with third regulating valve.
7. the fixed bed reactors according to claim 1 suitable for gas phase exothermic reaction, which is characterized in that described first
The first reacting material inlet is nearby equipped with temp probe on shell and tube reactor；The redistributor is equipped with temperature and accident report
Police-spy's head, is additionally provided with pressure probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629454.0U CN207680578U (en) | 2017-11-29 | 2017-11-29 | A kind of fixed bed reactors suitable for gas phase exothermic reaction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721629454.0U CN207680578U (en) | 2017-11-29 | 2017-11-29 | A kind of fixed bed reactors suitable for gas phase exothermic reaction |
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| CN207680578U true CN207680578U (en) | 2018-08-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277069A (en) * | 2018-10-08 | 2019-01-29 | 国家能源投资集团有限责任公司 | Reaction system |
| CN113145024A (en) * | 2021-03-10 | 2021-07-23 | 江苏琦衡农化科技有限公司 | Gas phase reaction preparation facilities of trichloro-acetyl chloride |
-
2017
- 2017-11-29 CN CN201721629454.0U patent/CN207680578U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109277069A (en) * | 2018-10-08 | 2019-01-29 | 国家能源投资集团有限责任公司 | Reaction system |
| CN113145024A (en) * | 2021-03-10 | 2021-07-23 | 江苏琦衡农化科技有限公司 | Gas phase reaction preparation facilities of trichloro-acetyl chloride |
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