Mixing device for continuous catalytic synthesis of oxygen heterocyclic heptadecane-10-ene-2-ketone

Abstract

The utility model discloses a mixing device for continuous catalytic synthesis of oxygen heterocyclic 17-10-ene-2-ketone, which comprises a first storage tank, a second storage tank, a third storage tank, a first pipeline, a second pipeline, a third pipeline, a first mixing pipeline, a second mixing pipeline, a mixing chamber and a cooling chamber, a first spiral pipeline and a second spiral pipeline are arranged in the mixing chamber and the cooling chamber respectively, and one ends of the first pipeline, the second pipeline and the third pipeline stretch into the first storage tank, the second storage tank and the third storage tank in a one-to-one correspondence mode. The other end of the second pipeline and the other end of the third pipeline are connected with the first mixing pipeline and then connected with the other end of the first pipeline and one end of the second mixing pipeline, the first mixing pipeline is wrapped with a heating device, and the other end of the second mixing pipeline, the first spiral pipeline and the second spiral pipeline are sequentially connected. According to the mixing device, the mixing effect in the spiral pipeline can be improved by changing the phase state and pressure of the raw materials and the catalyst, and the continuous reaction yield is increased.

Description

Technical Field

[0001] The utility model relates to a kettle type reaction device, in particular to a mixing device for continuously catalytically synthesizing oxygen heterocyclic heptadeca-10-ene-2-one. Background Art

[0002] Heterocyclic heptadeca-10-ene-2-one is mainly used in the fields of chemical reagents, pharmaceutical intermediates and fragrances. It can be prepared by catalytic reaction in a high-pressure reactor using trimethyl orthoformate and (±)-9,10,16-trihydroxypalmitic acid as raw materials in the presence of a solid salt complex catalyst. At present, the reaction is mainly an intermittent reaction, and the back mixing is serious during the reaction, resulting in a low yield of the target product. If a continuous tubular reactor is used, the mixing problem of the raw material and the catalyst must be solved first. Since the catalyst is a solid salt and the raw material is an organic compound, if the raw material and the catalyst are not mixed well, the yield of the continuous reaction will be affected.

[0003] Therefore, how to improve the reaction yield has become an urgent problem to be solved. Utility Model Content

[0004] In view of this, the purpose of the utility model is to provide a mixing device for continuous catalytic synthesis of oxygen heterocyclic heptadeca-10-ene-2-one to improve the continuous reaction yield.

[0005] The technical scheme provided by the utility model is: a mixing device for continuously catalytically synthesizing oxacyclohepta-10-ene-2-one, comprising: a first storage tank, a second storage tank, a third storage tank, a first pipeline, a second pipeline, a third pipeline, a first mixing pipeline, a second mixing pipeline, a mixing chamber and a cooling chamber, wherein a first spiral pipeline is arranged in the mixing chamber, and a second spiral pipeline is arranged in the cooling chamber, one end of the first pipeline, the second pipeline and the third pipeline are extended into the first storage tank, the second storage tank and the third storage tank one by one, the other ends of the second pipeline and the third pipeline are connected with one end of the first mixing pipeline through a tee A, a heating device is wrapped around the outer side of the first mixing pipeline, the other end of the first mixing pipeline is connected with the other end of the first pipeline and one end of the second mixing pipeline through a tee B, the other end of the second mixing pipeline is extended into the mixing chamber and connected with one end of the first spiral pipeline, the other end of the first spiral pipeline is connected with one end of the second spiral pipeline, and the other end of the second spiral pipeline extends out of the cooling chamber for sample discharging.

[0006] Preferably, a first metering pump and a first check valve are sequentially arranged on the first pipeline along the feeding direction, a second metering pump and a second check valve are sequentially arranged on the second pipeline along the feeding direction, and a third metering pump and a third check valve are sequentially arranged on the third pipeline along the feeding direction.

[0007] Further preferably, the heating device is a heating belt.

[0008] Further preferably, the mixing chamber and the cooling chamber are an integrated structure, and are separated by an insulating partition.

[0009] Further preferably, a pipeline through hole is provided on the thermal insulation partition, and the first spiral pipeline and the second spiral pipeline are connected through the pipeline through hole and sealed by a sealing gasket.

[0010] Further preferably, the lower part of the cooling chamber is connected to a refrigerant medium feed pipe, and the upper part of the cooling chamber is connected to a refrigerant medium discharge pipe, and the refrigerant medium feed pipe and the refrigerant medium discharge pipe are provided with a feed valve and a discharge valve respectively.

[0011] Further preferably, the caliber of the first spiral pipe is larger than the caliber of the second spiral pipe.

[0012] The utility model provides a mixing device for continuously catalytically synthesizing oxygen heterocyclic heptadeca-10-ene-2-one, which can improve the mixing effect in the spiral pipeline and the continuous reaction yield by changing the phase state and pressure of the raw material and the catalyst. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described in detail below with reference to the accompanying drawings and implementation modes:

[0014] Figure 1 A schematic diagram of the structure of a mixing device for continuous catalytic synthesis of oxygen heterocyclic heptadeca-10-ene-2-one provided by the utility model;

[0015] Figure 2 Schematic diagram of the structure of the mixing chamber and the cooling chamber. DETAILED DESCRIPTION

[0016] The present invention will be further explained below in conjunction with specific implementation schemes, but the present invention is not limited thereto.

[0017] like Figure 1 , Figure 2As shown, the utility model provides a mixing device for continuous catalytic synthesis of oxacyclohepta-10-ene-2-one, comprising: a first storage tank 1, a second storage tank 2, a third storage tank 3, a first pipeline 25, a second pipeline 26, a third pipeline 27, a first mixing pipeline 28, a second mixing pipeline 29, a mixing chamber 13 and a cooling chamber 14, wherein a first spiral pipeline 21 is arranged in the mixing chamber 13, and a second spiral pipeline 24 is arranged in the cooling chamber 14, and one end of the first pipeline 25, the second pipeline 26 and the third pipeline 27 extend into the first storage tank 1, the second storage tank 2 and the third storage tank 3 in a one-to-one correspondence, and the second pipeline 21 is arranged in the mixing chamber 13, and the second spiral pipeline 24 is arranged in the cooling chamber 14, and one end of the first pipeline 25, the second pipeline 26 and the third pipeline 27 extend into the first storage tank 1, the second storage tank 2 and the third storage tank 3 in a one-to-one correspondence. 6 and the other end of the third pipe 27 are connected to one end of the first mixing pipe 28 through a tee A10, the outer side of the first mixing pipe 28 wraps the heating device 11, the other end of the first mixing pipe 28 is connected to the other end of the first pipe 25 and one end of the second mixing pipe 29 through a tee B12, the other end of the second mixing pipe 29 extends into the mixing chamber 13 and is connected to one end of the first spiral pipe 21, the other end of the first spiral pipe 21 is connected to one end of the second spiral pipe 24, and the other end of the second spiral pipe 24 extends out of the cooling chamber 14 for sample discharge.

[0018] The mixing device for continuous catalytic synthesis of oxygen heterocyclic heptadeca-10-ene-2-one comprises a first storage tank for placing a catalyst and dissolving it with a small amount of water, a second storage tank and a third storage tank for placing trimethyl orthoformate and (±)-9,10,16-trihydroxypalmitic acid raw materials respectively. The working process of the mixing device is as follows: first, the trimethyl orthoformate and (±)-9,10,16-trihydroxypalmitic acid are mixed through a tee A and sent to a first mixing pipe, after being heated and vaporized by a heating device, they are mixed with the catalyst through a tee B to form a gas-liquid mixed state and sent to a mixing chamber through a second mixing pipe for preliminary mixing, and then enter a cooling chamber for condensation to fully mix the raw materials and the catalyst, and the mixed sample flows out through a second spiral pipe.

[0019] As an improvement of the technical solution, Figure 1 As shown, a first metering pump 4 and a first check valve 7 are sequentially arranged on the first pipeline 25 along the feeding direction, a second metering pump 5 and a second check valve 8 are sequentially arranged on the second pipeline 26 along the feeding direction, and a third metering pump 6 and a third check valve 9 are sequentially arranged on the third pipeline 27 along the feeding direction.

[0020] As an improvement of the technical solution, Figure 1 As shown, the heating device 11 is a heating belt.

[0021] As an improvement of the technical solution, Figure 1 As shown, the mixing chamber 13 and the cooling chamber 14 are an integrated structure, and are separated by an insulating partition 23 .

[0022] As an improvement of the technical solution, Figure 1 As shown, the heat-insulating baffle 23 is provided with a pipeline through hole, and the first spiral pipeline 21 and the second spiral pipeline 24 are connected through the pipeline through hole and sealed by the sealing gasket 22.

[0023] As an improvement of the technical solution, Figure 1 As shown, the lower part of the cooling chamber 14 is connected to a refrigerant medium feed pipe 17, and the upper part of the cooling chamber 14 is connected to a refrigerant medium discharge pipe 16. The refrigerant medium feed pipe 17 and the refrigerant medium discharge pipe 16 are provided with a feed valve 18 and a discharge valve 15 respectively.

[0024] As an improvement of the technical solution, the caliber of the first spiral pipe 21 is larger than the caliber of the second spiral pipe 24, which is used to increase the pressure in the second spiral pipe and improve the mixing effect and the cooling effect.

[0025] The specific implementation methods of the present utility model are written in a progressive manner, emphasizing the differences between the various implementation methods, and the similar parts thereof can be referenced to each other.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

Claims

1. A mixing device for continuous catalytic synthesis of oxacyclohepta-10-en-2-one, characterized in that: include: A first storage tank (1), a second storage tank (2), a third storage tank (3), a first pipeline (25), a second pipeline (26), a third pipeline (27), a first mixing pipeline (28), a second mixing pipeline (29), a mixing chamber (13) and a cooling chamber (14); a first spiral pipeline (21) is arranged in the mixing chamber (13); a second spiral pipeline (24) is arranged in the cooling chamber (14); one ends of the first pipeline (25), the second pipeline (26) and the third pipeline (27) extend into the first storage tank (1), the second storage tank (2) and the third storage tank (3) in a one-to-one correspondence; the other ends of the second pipeline (26) and the third pipeline (27) extend through A tee (10) is connected to one end of the first mixing pipe (28); the outer side of the first mixing pipe (28) is wrapped with a heating device (11); the other end of the first mixing pipe (28) is connected to the other end of the first pipe (25) and one end of the second mixing pipe (29) via a tee (12); the other end of the second mixing pipe (29) extends into the mixing chamber (13) and is connected to one end of the first spiral pipe (21); the other end of the first spiral pipe (21) is connected to one end of the second spiral pipe (24); the other end of the second spiral pipe (24) extends out of the cooling chamber (14) for sample discharge.

2. The mixing device for continuous catalytic synthesis of oxacyclohepta-10-ene-2-one according to claim 1, characterized in that: A first metering pump (4) and a first check valve (7) are sequentially arranged on the first pipeline (25) along the feeding direction, a second metering pump (5) and a second check valve (8) are sequentially arranged on the second pipeline (26) along the feeding direction, and a third metering pump (6) and a third check valve (9) are sequentially arranged on the third pipeline (27) along the feeding direction.

3. The mixing device for continuous catalytic synthesis of oxacyclohepta-10-ene-2-one according to claim 1, characterized in that: The heating device (11) is a heating belt.

4. The mixing device for continuous catalytic synthesis of oxacyclohepta-10-ene-2-one according to claim 1, characterized in that: The mixing chamber (13) and the cooling chamber (14) are an integrated structure and are separated by a heat insulating partition (23).

5. The mixing device for continuous catalytic synthesis of oxacyclohepta-10-ene-2-one according to claim 4, characterized in that: The heat-insulating baffle (23) is provided with a pipeline through hole, and the first spiral pipeline (21) and the second spiral pipeline (24) are connected through the pipeline through hole and sealed by a sealing gasket (22).

6. The mixing device for continuous catalytic synthesis of oxacyclohepta-10-ene-2-one according to claim 1, characterized in that: The lower part of the cooling chamber (14) is connected to a refrigerant feed pipe (17), and the upper part of the cooling chamber (14) is connected to a refrigerant discharge pipe (16). The refrigerant feed pipe (17) and the refrigerant discharge pipe (16) are provided with a feed valve (18) and a discharge valve (15) respectively.

7. The mixing device for continuous catalytic synthesis of oxacyclohepta-10-ene-2-one according to claim 1, characterized in that: The caliber of the first spiral pipe (21) is greater than the caliber of the second spiral pipe (24).

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