Condenser for preparing 8-hydroxyquinoline

Abstract

The utility model relates to a condenser for preparing 8-hydroxyquinoline in the technical field of 8-hydroxyquinoline equipment, which comprises a condensing tank, a cooling interlayer is arranged outside the condensing tank, and a medium inlet and a medium outlet are arranged on the cooling interlayer; a cooling assembly is arranged in the condensation tank and comprises a cooling main pipe, the two ends of the cooling main pipe are the liquid inlet end and the liquid outlet end respectively, a plurality of U-shaped cooling branch pipes are fixed to the cooling main pipe, and the two ends of each cooling branch pipe communicate with the cooling main pipe. The condensation device is reasonable in structure, can condense the inside and the outside of the steam at the same time, increases the condensation area, improves the condensation efficiency, and further improves the condensation efficiency by being in contact with the steam at different positions in the condensation tank while improving the flowability of the steam and improving the heat dissipation effect through the rotation of the condensation assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to 8 - hydroxy quinoline equipment technical field, more particularly in preparation of 8 - hydroxy quinoline is used condenser. BACKGROUND

[0002] 8 - hydroxy quinoline needs to be distilled for many times when preparing, and the first distillation of unreacted o-nitrophenol also needs to be liquefied by condenser and then collected. The patent file with the patent number CN 222123637 U discloses a kind of 8 - hydroxy quinoline preparation condensing component, comprising: cooling component;Cooling component includes the circulating tank for containing cooling liquid fixed on the upper end of U-shaped base, heat exchange cylinder is installed on the upper end of circulating tank, circulating tank is connected with heat exchange cylinder by circulation mechanism, the middle part of heat exchange cylinder is equipped with placing cavity, heat exchange cavity is equipped in heat exchange cylinder, and a plurality of semiconductor refrigeration sheets are installed in the inside of circulating tank. The patent can reduce the space occupied by the whole device by integrating heat exchange tank and heat exchange cylinder, and can uniformly cool the cooling water, so as to better cool the reaction container. However, only the vapor in the heat exchange cylinder can be condensed from the outside, the condensing efficiency is low, and the demand of high-efficiency production cannot be met. Therefore, a kind of 8 - hydroxy quinoline preparation condenser is needed to solve the above technical problems. UTILITY MODEL CONTENTS

[0003] In view of the above defects in the prior art, the utility model provides a kind of 8 - hydroxy quinoline preparation condenser, including condensing tank, condensing tank is equipped with feed inlet and discharge pipe, the condensing tank is equipped with cooling sandwich outside, the cooling sandwich is equipped with medium inlet and medium outlet;Cooling component is equipped in the condensing tank, and the cooling component includes cooling main pipe, the two ends of cooling main pipe are liquid inlet end and liquid outlet end respectively, a plurality of U-shaped cooling branch pipes are fixed on cooling main pipe, and the two ends of cooling branch pipe are communicated with cooling main pipe. Cooling medium is continuously input into cooling sandwich and cooling component, the vapor to be condensed enters the condensing tank from feed inlet, cooling sandwich and cooling component simultaneously cool the inside and outside of vapor, carry out condensing operation, and the condensing efficiency is high, and the condensing effect is good.

[0004] Preferably, the two sides of the condensing tank are respectively fixedly connected with support column, liquid inlet channel and liquid outlet channel are respectively arranged on the two support columns, liquid inlet pipe and liquid outlet pipe are respectively connected with liquid inlet channel and liquid outlet channel, medium inlet and liquid inlet end are communicated with liquid inlet channel, and medium outlet and liquid outlet end are communicated with liquid outlet channel.

[0005] Preferably, the liquid inlet end penetrates through the cooling interlayer and is rotatably connected with the liquid inlet channel through bearing one, the liquid outlet end penetrates through the cooling interlayer and is rotatably connected with the liquid outlet channel through bearing two, a sprocket one is fixed on the corresponding support of the cooling main pipe outside the cooling interlayer, a stepping motor is fixed on the corresponding support of the sprocket one, the stepping motor is connected with a sprocket two, and the sprocket one and the sprocket two are connected through a transmission chain. The sprocket two is driven to rotate by the stepping motor, the sprocket one is driven to rotate by the sprocket two through the transmission chain, the cooling main pipe is rotated, the cooling branch pipes are rotated by the cooling main pipe, and the contact area with the steam is increased, so that the steam in the condenser is efficiently condensed.

[0006] Preferably, the bottom of the condenser is conical, and the discharge pipe of the condenser is located at the bottom of the condenser. The setting facilitates the condensed liquid to gather at the position and be discharged from the discharge pipe.

[0007] Preferably, the horizontal part of the cooling branch pipe is parallel to the cooling main pipe, and the distances between the horizontal parts of the cooling branch pipes and the cooling main pipe are different. The cooling branch pipes can condense the steam at different positions in the condenser, the condensing range is increased, and the condensing efficiency is improved.

[0008] The utility model also includes other components that can make the condenser for preparing 8-hydroxyquinoline normal use, such as control component (such as liquid pump etc.) that controls cooling medium to flow in cooling interlayer and cooling component unceasingly, the control component of stepping motor and the like are all conventional technical means in the field. In addition, the devices or components not defined in the utility model, such as sprocket, transmission chain, switch valve and the like, all adopt conventional technical means and conventional equipment in the field.

[0009] Working principle: cooling medium is continuously fed into the cooling interlayer and the cooling component, the steam to be condensed enters the condenser from the feeding port, the cooling interlayer and the cooling component simultaneously cool the inside and outside of the steam to perform condensing operation, the condensing area is increased, the condensing efficiency is high, and the condensing effect is good.

[0010] The utility model has the advantages of reasonable structure, simultaneous condensation of the inside and outside of the steam, increased condensing area, improved condensing efficiency, improved flowability of the steam through rotation of the condensing component, improved heat dissipation effect, contact with the steam at different positions in the condenser, and further improved condensing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model will be further described in connection with the drawings and examples.

[0012] Figure 1 It is a structure schematic view of the condenser for preparing 8-hydroxyquinoline in the utility model embodiment 1.

[0013] Figure 2 This is a schematic diagram of the structure of a condenser used for the preparation of 8-hydroxyquinoline in Example 2.

[0014] In the diagram: 1. Condenser; 2. Cooling jacket; 3. Inlet; 4. Outlet pipe; 5. Support column; 6. Liquid inlet channel; 7. Liquid inlet pipe; 8. Main cooling pipe; 9. Branch cooling pipe; 10. Stepper motor; 11. Outlet pipe; 12. Outlet channel; 13. Drive chain. Detailed Implementation

[0015] The present invention will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely for explaining the present invention and is not intended to limit it. Any modifications, equivalent substitutions, improvements, etc., made by those skilled in the art based on the embodiments of the present invention without inventive effort to obtain all other embodiments should be included within the protection scope of the present invention.

[0016] Example 1

[0017] like Figure 1 As shown, this utility model provides a condenser for the preparation of 8-hydroxyquinoline, including a condenser tank 1 with an inlet 3 and an outlet pipe 4. A cooling jacket 2 is provided outside the condenser tank 1, with a medium inlet and a medium outlet. A cooling assembly is provided inside the condenser tank 1, including a main cooling pipe 8 with a liquid inlet and a liquid outlet at its two ends. Multiple U-shaped cooling branch pipes 9 are fixed to the main cooling pipe 8, with both ends of each branch pipe connected to the main cooling pipe 8. Cooling medium is continuously introduced into the cooling jacket 2 and the cooling assembly. The gas to be condensed enters the condenser tank 1 through the inlet 3. The cooling jacket 2 and the cooling assembly simultaneously cool the gas from both inside and outside, performing a condensation operation with high condensation efficiency and good condensation effect.

[0018] The two sides of the condenser 1 are fixedly connected to support columns 5. The two support columns 5 are respectively provided with liquid inlet channel 6 and liquid outlet channel 12. The liquid inlet channel 6 and liquid outlet channel 12 are respectively connected to liquid inlet pipe 7 and liquid outlet pipe 11. The medium inlet and liquid inlet end are connected to the liquid inlet channel 6, and the medium outlet and liquid outlet end are connected to the liquid outlet channel 12.

[0019] The bottom of the condenser 1 is conical, and the discharge pipe 4 of the condenser 1 is located at the bottom of the condenser 1. This location facilitates the collection of condensed liquid and its discharge from the discharge pipe 4.

[0020] The horizontal portion of each cooling branch pipe 9 is parallel to the main cooling pipe 8, and the distance between the horizontal portion of each cooling branch pipe 9 and the main cooling pipe 8 is different. The arrangement of the cooling branch pipes 9 allows for the condensation of gas at different locations within the condenser tank 1, increasing the condensation range and improving condensation efficiency.

[0021] Example 2

[0022] like Figure 2 As shown, the difference between this embodiment and Embodiment 1 is that the liquid inlet end penetrates the cooling jacket 2 and is rotatably connected to the liquid inlet channel 6 via bearing one, and the liquid outlet end penetrates the cooling jacket 2 and is rotatably connected to the liquid outlet channel 12 via bearing two. A sprocket one is fixed on the cooling main pipe 8 located outside the cooling jacket 2, and a stepper motor 10 is fixed on the support column 5 corresponding to sprocket one. The stepper motor 10 is connected to sprocket two, and sprocket one and sprocket two are connected by a transmission chain 13. The stepper motor 10 drives sprocket two to rotate, and sprocket two drives sprocket one to rotate under the action of the transmission chain 13, causing the cooling main pipe 8 to rotate. The cooling main pipe 8 drives the cooling branch pipe 9 to rotate, increasing the contact area with the gas and performing efficient condensation of the gas in the condenser tank 1.

[0023] The embodiments of this utility model have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A condenser for the preparation of 8-hydroxyquinoline comprising a condensation tank, characterized in that: The cooling jacket is externally provided with a cooling layer, and a medium inlet and a medium outlet are arranged on the cooling layer; a cooling assembly is arranged in the condensing tank, and the cooling assembly comprises a cooling main pipe, two ends of the cooling main pipe are respectively an inlet end and an outlet end, a plurality of U-shaped cooling branch pipes are fixed on the cooling main pipe, and two ends of each cooling branch pipe are communicated with the cooling main pipe.

2. A condenser for the preparation of 8-hydroxyquinoline according to claim 1, characterized in that: Two side of the condensing tank are respectively fixedly connected with a support, and an inlet channel and an outlet channel are respectively arranged on the two supports, the medium inlet and the inlet end are communicated with the inlet channel, and the medium outlet and the outlet end are communicated with the outlet channel.

3. A condenser for the preparation of 8-hydroxyquinoline according to claim 2, characterized in that: The inlet end is rotatably connected with the inlet channel through bearing one after penetrating through the cooling layer, the outlet end is rotatably connected with the outlet channel through bearing two after penetrating through the cooling layer, a chain wheel one is fixed on the cooling main pipe outside the cooling layer, a stepping motor is fixed on the support corresponding to the chain wheel one, the stepping motor is connected with a chain wheel two, and the chain wheel one and the chain wheel two are connected through a transmission chain.

4. A condenser for the preparation of 8-hydroxyquinoline according to claim 1, characterized in that: The bottom of the condensing tank is conical, and a discharge pipe of the condensing tank is located at the bottom of the condensing tank.

5. A condenser for the preparation of 8-hydroxyquinoline according to claim 1, characterized in that: The horizontal part of the cooling branch pipe is parallel to the cooling main pipe, and the distance between the horizontal part of each cooling branch pipe and the cooling main pipe is different.

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