CN210122486U - Ammonification reaction raw material recovery system - Google Patents
Ammonification reaction raw material recovery system Download PDFInfo
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- CN210122486U CN210122486U CN201920680143.XU CN201920680143U CN210122486U CN 210122486 U CN210122486 U CN 210122486U CN 201920680143 U CN201920680143 U CN 201920680143U CN 210122486 U CN210122486 U CN 210122486U
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Abstract
The utility model relates to the technical field of chemical industry, a ammonification reaction raw materials recovery system is disclosed. Including ammoniation jar and raw materials recovery jar, be equipped with material import and ammonia import on the ammoniation jar, ammoniation jar upper portion is equipped with first condenser, first condenser lower extreme and ammoniation jar intercommunication, first condenser upper end and raw materials recovery jar intercommunication, first condenser lower part is equipped with first result output pipeline, be equipped with first valve on the first result output pipeline, the raw materials recovery tank top is equipped with the second condenser rather than the intercommunication, raw materials recovery jar upper portion is equipped with second result output pipeline, be equipped with the second valve on the second result output pipeline, second condenser upper portion is equipped with ammonia output pipeline, and second condenser lower part is equipped with the third product output pipeline with second result output pipeline intercommunication. The utility model discloses ammoniation reaction raw materials recovery system can realize the recycle of ammonia by the high efficiency, and the rate of recovery is high, easy operation.
Description
Technical Field
The utility model belongs to the technical field of the chemical industry technique and specifically relates to an ammonification reaction raw materials recovery system is related to.
Background
The amination reaction is a reaction of introducing an amino group into an organic molecule, and a reduction method and an ammonolysis method are used for introducing the amino group. The liquid organic substance is usually reacted with gaseous ammonia gas to attach amino groups to the resulting organic substance. Chinese patent publication CN207493699U discloses a system is applied mechanically in recovery of diamino anthraquinone ammoniation aqueous ammonia, and this system includes ammoniation pot, one-level aqueous ammonia recovery tank, second grade aqueous ammonia recovery tank, the ammoniation pot top is provided with the stirring rake, the stirring rake stretches into the ammoniation pot from the ammoniation pot top, the ammoniation pot top is provided with the conveyer pipe of being connected with one-level aqueous ammonia recovery tank bottom, ammoniation pot top is provided with the aqueous ammonia output tube in addition, the aqueous ammonia output tube stretches into from one-level aqueous ammonia recovery tank mouth, one-level aqueous ammonia recovery tank mouth and second grade aqueous ammonia recovery tank mouth pass through the pipe connection, one-level aqueous ammonia recovery tank and second grade aqueous ammonia recovery tank bottom are provided with the communicating pipe of taking the valve. The system is suitable for the reaction product which is liquid, and when the reaction product is in a gaseous state at high temperature, the reaction raw material ammonia can not be recovered.
Disclosure of Invention
The utility model relates to an overcome the problem of prior art ammonia recovery difficulty, provide an ammoniation reaction raw materials recovery system, this system can carry out high-efficient the recovery to the ammonia raw materials that does not participate in the reaction.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an ammoniation reaction raw material recovery system, includes ammoniation jar and raw materials recovery jar, be equipped with material import and ammonia import on the ammoniation jar, ammoniation jar upper portion is equipped with first condenser, first condenser lower extreme and ammoniation jar intercommunication, first condenser upper end and raw materials recovery jar intercommunication, first condenser lower part is equipped with first result output pipeline, be equipped with first valve on the first result output pipeline, the raw materials recovery tank top is equipped with the second condenser rather than the intercommunication, raw materials recovery jar upper portion is equipped with second result output pipeline, be equipped with the second valve on the second result output pipeline, second condenser upper portion is equipped with ammonia output pipeline, and second condenser lower part is equipped with the third product output pipeline with second result output pipeline intercommunication.
The utility model discloses a set up material import and ammonia import on the ammoniation jar, the reaction raw materials methylbenzoic acid solution that will treat the ammoniation lets in the ammoniation jar from the material mouth, let in the ammoniation jar with the ammonia from the ammonia import, methylbenzoic acid and ammonia take place the amination under the high temperature condition, the product that generates is the gaseous state under the high temperature condition, gaseous state product and ammonia get into first condenser, gaseous state product takes place the liquefaction, flow out from first product output pipeline, ammonia and a small part of gaseous state product flow to the raw materials recovery jar from the condenser top, the second product output pipeline on the raw materials recovery jar is the closed condition this moment, water is equipped with to the bottom of raw materials recovery jar, water absorption ammonia in the raw materials recovery jar becomes the aqueous ammonia, another part ammonia accesss to the second condenser, then flow out from the ammonia output pipeline at condenser top and retrieve; and after the ammonia gas in the raw material recovery tank is completely absorbed and released by water, the second product output pipeline is opened, and the residual gaseous product in the raw material recovery tank is collected through the second product output pipeline. The utility model discloses ammoniation reaction raw materials recovery system can realize the recycle of ammonia by the high efficiency, and the rate of recovery is high, easy operation.
Preferably, a waste gas discharge pipeline is arranged on the ammoniation tank, and a third valve is arranged on the waste gas discharge pipeline.
After the reaction of the methyl benzoic acid serving as a reaction raw material and ammonia gas is finished, waste gas is remained in the ammoniation tank and is collected through a waste gas discharge pipeline, so that the pollution of the waste gas to the surrounding air is prevented, and the health of people is influenced.
Preferably, the bottom of the ammoniation tank is provided with a feed liquid outlet. The material liquid outlet is used for discharging and recovering the methyl benzoic acid which does not participate in the reaction.
Preferably, an oil bath tank is sleeved outside the ammoniation tank, a cavity interlayer is formed between the ammoniation tank and the oil bath tank, and an oil inlet pipeline and an oil outlet pipeline which are communicated with the cavity interlayer are arranged on the oil bath tank.
A cavity interlayer capable of containing oil is formed between the oil bath tank and the ammoniation tank body, and the heated oil is introduced into the cavity interlayer, so that the tank body is heated to reach the temperature of the reaction raw material methyl benzoic acid and ammonia gas.
Preferably, a cold oil pipeline is arranged on the oil inlet pipeline.
The cold oil pipeline is used for introducing unheated oil into the oil inlet pipeline, so that the temperature of the oil in the interlayer of the cavity can be conveniently adjusted to reach the appropriate reaction temperature of the reaction raw materials.
Preferably, the cold oil pipeline is provided with a regulating valve.
Preferably, the upper bottom of the raw material recovery tank is provided with a water pipe.
The water absorbs ammonia in the raw material recovery tank and then becomes ammonia water, and the ammonia water is discharged through a water pipe at the bottom of the raw material recovery tank, so that the purpose of recovering ammonia gas is achieved.
Therefore, the utility model discloses following beneficial effect has: the utility model discloses ammoniation reaction raw materials recovery system can realize the recycle of ammonia by the high efficiency, and the rate of recovery is high, easy operation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Reference numerals
The ammonia tank 1, the raw material recovery tank 2, the material inlet 11, the ammonia inlet 12, the first condenser 3, the first product output pipeline 31, the first valve 32, the second condenser 4, the second product output pipeline 21, the second valve 22, the ammonia output pipeline 41, the third product output pipeline 42, the waste gas discharge pipeline 13, the third valve 14, the feed liquid outlet 15, the oil bath tank 16, the cavity interlayer 161, the oil inlet pipeline 162, the oil outlet pipeline 163, the cold oil pipeline 164, the regulating valve 165 and the water pipe 23.
Detailed Description
The technical solution of the present invention is further explained by the following specific embodiments.
Example 1
Fig. 1 is a schematic structural diagram of an ammonification reaction raw material recovery system of the present invention, which includes an ammonification tank 1 and a raw material recovery tank 2, wherein the ammonification tank is provided with a material inlet 11 and an ammonia gas inlet 12, the ammonification tank is provided with a waste gas discharge pipeline 13, the waste gas discharge pipeline is provided with a third valve 14, the bottom of the ammonification tank is provided with a material liquid outlet 15, the ammonification tank is externally sleeved with an oil bath tank 16, a cavity interlayer 161 is formed between the ammonification tank and the oil bath tank, the oil bath tank is provided with an oil inlet pipeline 162 and an oil outlet pipeline 163 communicated with the cavity interlayer, the oil inlet pipeline is provided with a cold oil pipeline 164, and the cold oil pipeline is provided with an adjusting; the upper part of the ammoniation tank is provided with a first condenser 3, the lower end of the first condenser is communicated with the ammoniation tank, the upper end of the first condenser is communicated with the raw material recovery tank, the lower part of the first condenser is provided with a first product output pipeline 31, and the first product output pipeline is provided with a first valve 32; the bottom of the raw material recovery tank is provided with a water pipe 23, the top of the raw material recovery tank is provided with a second condenser 4 communicated with the raw material recovery tank, the upper part of the raw material recovery tank is provided with a second product output pipeline 21, the second product output pipeline is provided with a second valve 22, the upper part of the second condenser is provided with an ammonia gas output pipeline 41, and the lower part of the second condenser is provided with a third product output pipeline 42 communicated with the second product output pipeline.
The working principle is as follows: a material inlet and an ammonia gas inlet are formed in an ammoniation tank, a reaction raw material methylbenzoic acid solution to be ammoniated is introduced into the ammoniation tank from a material port, ammonia gas is introduced into the ammoniation tank from the ammonia gas inlet, methylbenzoic acid and ammonia gas are subjected to an ammoniation reaction under a high-temperature condition, a generated product is in a gaseous state under the high-temperature condition, the gaseous product and the ammonia gas enter a first condenser, the gaseous product is liquefied and flows out from a first product output pipeline, the ammonia gas and a small part of the gaseous product flow to a raw material recovery tank from the top of the condenser, a second product output pipeline on the raw material recovery tank is in a closed state at the moment, water is filled at the bottom of the raw material recovery tank, the ammonia gas is absorbed by the water in the raw material recovery tank and changed into ammonia water, the other part of the ammonia gas is introduced into; and after the ammonia gas in the raw material recovery tank is completely absorbed and released by water, the second product output pipeline is opened, and the residual gaseous product in the raw material recovery tank is collected through the second product output pipeline.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.
Claims (7)
1. An ammonification reaction raw material recovery system is characterized by comprising an ammonification tank (1) and a raw material recovery tank (2), the ammoniation tank is provided with a material inlet (11) and an ammonia gas inlet (12), the upper part of the ammoniation tank is provided with a first condenser (3), the lower end of the first condenser is communicated with the ammoniation tank, the upper end of the first condenser is communicated with the raw material recovery tank, a first product output pipeline (31) is arranged at the lower part of the first condenser, a first valve (32) is arranged on the first product output pipeline, the top of the raw material recovery tank is provided with a second condenser (4) communicated with the raw material recovery tank, the upper part of the raw material recovery tank is provided with a second product output pipeline (21), and a second valve (22) is arranged on the second product output pipeline, an ammonia gas output pipeline (41) is arranged at the upper part of the second condenser, and a third product output pipeline (42) communicated with the second product output pipeline is arranged at the lower part of the second condenser.
2. An ammonification reaction raw material recovery system according to claim 1, wherein the ammonification tank is provided with an exhaust gas discharge pipe (13), and the exhaust gas discharge pipe is provided with a third valve (14).
3. Ammoniation reaction raw material recovery system as claimed in claim 1, wherein the ammoniation tank is provided with a feed liquid outlet (15) at its bottom.
4. The system for recycling raw materials for ammoniation reaction as claimed in claim 1, wherein an oil bath tank (16) is sleeved outside the ammoniation tank, a cavity interlayer (161) is formed between the ammoniation tank and the oil bath tank, and an oil inlet pipeline (162) and an oil outlet pipeline (163) communicated with the cavity interlayer are arranged on the oil bath tank.
5. An ammonification reaction raw material recovery system according to claim 4, wherein the oil inlet pipe is provided with a cold oil pipe (164).
6. An ammonification reaction raw material recovery system according to claim 5, wherein the cold oil pipe is provided with a regulating valve (165).
7. Ammoniation reaction feed recovery system according to claim 1, characterised in that the feed recovery tank is provided with a water pipe (23) at its bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680143.XU CN210122486U (en) | 2019-05-13 | 2019-05-13 | Ammonification reaction raw material recovery system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920680143.XU CN210122486U (en) | 2019-05-13 | 2019-05-13 | Ammonification reaction raw material recovery system |
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| CN210122486U true CN210122486U (en) | 2020-03-03 |
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| CN201920680143.XU Active CN210122486U (en) | 2019-05-13 | 2019-05-13 | Ammonification reaction raw material recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717455A (en) * | 2020-12-14 | 2021-04-30 | 安徽国星生物化学有限公司 | Rectification separation device and method for 2-cyanopyridine bottom material |
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2019
- 2019-05-13 CN CN201920680143.XU patent/CN210122486U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112717455A (en) * | 2020-12-14 | 2021-04-30 | 安徽国星生物化学有限公司 | Rectification separation device and method for 2-cyanopyridine bottom material |
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