CN207713658U - A kind of device of tower continuous chlorination production dichlorotoleune - Google Patents
A kind of device of tower continuous chlorination production dichlorotoleune Download PDFInfo
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- CN207713658U CN207713658U CN201721575541.2U CN201721575541U CN207713658U CN 207713658 U CN207713658 U CN 207713658U CN 201721575541 U CN201721575541 U CN 201721575541U CN 207713658 U CN207713658 U CN 207713658U
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- tower
- chlorine
- liquid
- chlorated
- reactor
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Abstract
The utility model discloses the devices that a kind of tower continuous chlorination produces dichlorotoleune, it include the tower reactor reacted for continuous chlorination, for removing the absorption tower of chlorine in tail gas, for removing the spray column of chlorine in tail gas and being used to form the configured slot of configuration liquid, the tower reactor bottom is provided with configuration liquid feed pipe, the configuration liquid feed pipe is connected with configured slot, and metering pump is provided on the configuration liquid feed pipe；It is provided with exhaust gas outlet pipe at the top of the tower reactor, which is connected with the air inlet of absorb the bottom of the tower, and the gas outlet of absorb the bottom of the tower is connected with the air inlet of spray column, and the inlet on the absorption tower is connected with configured slot.Chlorated liquid is entered tower reactor after reactor external application heat exchanger carries out cooling and carries out system cooling by the utility model, and controlling reaction temperature is at 25~35 DEG C.Secondly, continuous feed and discharging are realized using this process conditions, production capacity is big, and product yield is high, rational technology, and chlorine utilization is high, and exhaust emissions is up to standard.By-product hydrochloric acid has reached the quality requirement of technical grade, has economized on resources after above system is handled, and realizes recycling economy development and environmental protection.
Description
Technical field
The utility model is related to the devices that a kind of tower continuous chlorination produces dichlorotoleune.
Background technology
Dichlorotoleune is important fine chemical material, can be widely used in manufacture fungicide, Insecticides (tech) ＆ Herbicides (tech), dye
Material and pigment, medicine and other chemical products, status and effect have been to be concerned by more and more people, the difficulty of synthetic technology
And extensive purposes so that the compound generates higher added value, and chlorination industry is mostly with intermittent reaction now
Based on, technique falls behind, and energy and material consumption is high.
Utility model content
The utility model provides a kind of device of tower continuous chlorination production dichlorotoleune, realizes continuous feed and goes out
Material, production capacity is big, and product yield is high, rational technology, and chlorine utilization is high, and exhaust emissions is up to standard.
To solve the above-mentioned problems, technical solution used by the utility model is such, and the utility model also provides
A kind of device of tower continuous chlorination production dichlorotoleune, includes the tower reactor reacted for continuous chlorination, for removing
The absorption tower of chlorine in tail gas, for removing the spray column of chlorine in tail gas and being used to form the configured slot of configuration liquid, it is described
Tower reactor bottom is provided with configuration liquid feed pipe, which is connected with configured slot, configuration liquid charging
Metering pump is provided on pipe；The tower reactor top is provided with chlorated liquid discharge port, the chlorated liquid discharge port with
Chlorated liquid efferent duct is connected, and the chlorated liquid efferent duct is connected with chlorated liquid outer circulating tube, the chlorated liquid outer circulating tube
It is connected with tower reactor bottom, the chlorated liquid efferent duct is connected with discharge nozzle, is set on the chlorated liquid outer circulating tube
It is equipped with heat exchanger and circulating pump, the chlorated liquid input pipe is connected with chlorine inlet pipe；It is provided at the top of the tower reactor
Exhaust gas outlet pipe, the exhaust gas outlet pipe are connected with the air inlet of absorb the bottom of the tower, the gas outlet of absorb the bottom of the tower and the air inlet of spray column
Mouth is connected, and the inlet on the absorption tower is connected with configured slot.
Preferably, it is provided with chlorine flowrate regulating valve on the chlorine inlet pipe.
Preferably, it is provided with liquid flow control valve on the discharge nozzle
Advantageous effect：1, chlorated liquid is entered tower reaction by the utility model after reactor external application heat exchanger carries out cooling
Device carries out system cooling, and controlling reaction temperature is at 25~35 DEG C.Secondly, continuous feed and discharging are realized using this process conditions,
Production capacity is big, and product yield is high, rational technology, and chlorine utilization is high, and exhaust emissions is up to standard.
Description of the drawings
Fig. 1 is the utility model structure diagram.
Specific implementation mode
In order to deepen the understanding to the utility model, the utility model is made below in conjunction with embodiment and attached drawing further
It is described in detail, which is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
Embodiment 1
A kind of device of tower continuous chlorination production dichlorotoleune, includes the tower reactor 1 reacted for continuous chlorination,
Absorption tower 2, the spray column 3 for removing chlorine in tail gas and the configuration for being used to form configuration liquid for removing chlorine in tail gas
Slot 4, the tower reactor bottom are provided with configuration liquid feed pipe 5, which is connected with configured slot 4, described
Configuration liquid feed pipe on be provided with metering pump；The tower reactor top is provided with chlorated liquid discharge port, the chlorine
Change liquid discharge port with chlorated liquid efferent duct to be connected, the chlorated liquid efferent duct is connected with chlorated liquid outer circulating tube, the chlorine
Change liquid outer circulating tube with tower reactor bottom to be connected, the chlorated liquid efferent duct is connected with discharge nozzle 6, the chlorated liquid
Heat exchanger 7 and circulating pump 8 are provided on outer circulating tube, the chlorated liquid input pipe is connected with chlorine inlet pipe 9；Described is tower anti-
2 top of device is answered to be provided with exhaust gas outlet pipe, which is connected with the air inlet of 2 bottom of absorption tower, the outlet of 2 bottom of absorption tower
Mouth is connected with the air inlet of spray column 3, and the inlet on the absorption tower 2 is connected with configured slot 4.
Wherein, it is provided with chlorine flowrate regulating valve on the chlorine inlet pipe；It is provided with liquid flow on the discharge nozzle
Control valve；
Stirring half an hour in the ortho-chlorotolu'ene of 55kg and 203g ferric trichlorides (catalyst) input make-up tank is formed and is matched
Liquid is set, will then configure that liquid is defeated to be sent by feed pipe in tower reaction tower with metering pump, circulating pump is then turned on and is recycled,
It opens chlorine flowrate regulating valve and leads to chlorine, chlorine flowrate 0.3m3It is cold to open heat exchanger progress when reaction temperature reaches 20 DEG C by/h
But water circulating cooling chlorated liquid, appropriate chlorine flowrate and the cooler cooling water aperture controlling reaction temperature of adjusting at 25~40 DEG C,
About 11 hours reaction time detected that the gross mass of reaction intermediate fluid was 62kg, and ingredient is as shown in table 1 below：
Table 1
The conversion ratio for being computed raw material ortho-chlorotolu'ene reaches 32.86%, and 2,6-DCT selectively reaches 41%, this
When, 25Kg ortho-chlorotolu'enes are added in configured slot and 90g ferric trichlorides (catalyst) stir evenly, with metering pump with the speed of 8L/h
Degree is discharged from reaction tower bottom charging with 8.1L/h, and the ingredient to discharge in tandem reaction sequence is as shown in table 2 below：
Table 2
Tail gas after chlorination reaction out enters absorption tower at the top of tower reactor by the air inlet of the bottom on absorption tower,
The inlet that top of the liquid through absorption tower is configured in configured slot is entered into absorption tower simultaneously, tail gas is configured the absorption of liquid secondary response
After removing chlorine, the air inlet for entering back into spray tower bottom enters spray column, by spray column after lye absorbs and removes de-chlorine hydride
The gas outlet at top is discharged, and after testing, meets discharge standard by the tail gas of the gas outlet discharge at the top of spray column.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (3)
1. a kind of device of tower continuous chlorination production dichlorotoleune, which is characterized in that include the tower reacted for continuous chlorination
Formula reactor, for removing the absorption tower of chlorine in tail gas, for removing the spray column of chlorine in tail gas and being used to form configuration
The configured slot of liquid, the tower reactor bottom are provided with configuration liquid feed pipe, the configuration liquid feed pipe and configured slot phase
Even, it is provided with metering pump on the configuration liquid feed pipe；The tower reactor top is provided with chlorated liquid discharge port, institute
The chlorated liquid discharge port stated is connected with chlorated liquid efferent duct, and the chlorated liquid efferent duct is connected with chlorated liquid outer circulating tube, institute
The chlorated liquid outer circulating tube stated is connected with tower reactor bottom, and the chlorated liquid efferent duct is connected with discharge nozzle, described
Heat exchanger and circulating pump are provided on chlorated liquid outer circulating tube, the chlorated liquid input pipe is connected with chlorine inlet pipe；The tower
Formula reactor head is provided with exhaust gas outlet pipe, which is connected with the air inlet of absorb the bottom of the tower, and absorb the bottom of the tower goes out
Gas port is connected with the air inlet of spray column, and the inlet on the absorption tower is connected with configured slot.
2. a kind of device of tower continuous chlorination production dichlorotoleune according to claim 1, which is characterized in that described
Chlorine flowrate regulating valve is provided on chlorine inlet pipe.
3. a kind of device of tower continuous chlorination production dichlorotoleune according to claim 1, which is characterized in that described
Liquid flow control valve is provided on discharge nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575541.2U CN207713658U (en) | 2017-11-21 | 2017-11-21 | A kind of device of tower continuous chlorination production dichlorotoleune |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575541.2U CN207713658U (en) | 2017-11-21 | 2017-11-21 | A kind of device of tower continuous chlorination production dichlorotoleune |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207713658U true CN207713658U (en) | 2018-08-10 |
Family
ID=63061946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721575541.2U Expired - Fee Related CN207713658U (en) | 2017-11-21 | 2017-11-21 | A kind of device of tower continuous chlorination production dichlorotoleune |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207713658U (en) |
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2017
- 2017-11-21 CN CN201721575541.2U patent/CN207713658U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20191121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |