Byproduct collecting and storing mechanism for preparation of p-fluoro-m-phenoxy benzaldehyde

Abstract

The utility model relates to the technical field of collecting and storing mechanisms, in particular to a collecting and storing mechanism for by-products used for preparing p-fluoro-m-phenoxy benzaldehyde, which comprises a bottom plate, the top of the bottom plate is connected with a reaction kettle through supporting legs, and an extrusion pipe is mounted at the bottom of the reaction kettle through a support. One end of the top of the extrusion pipe is connected with the bottom of the reaction kettle through a conveying pipe, a spiral extrusion shaft is rotationally connected into the extrusion pipe, one end of the spiral extrusion shaft is connected with a driving motor, the driving motor is fixed to one end of the extrusion pipe, and the bottom of the end, close to the driving motor, of the extrusion pipe is connected with a discharging pipe; a filter screen is connected to the end, close to the extrusion pipe, in the discharging pipe. According to the device, by-products and p-fluoro-m-phenoxy benzaldehyde materials can be separated through the spiral extrusion rod, so that the by-products can be conveyed into the slag discharging pipe along with the spiral extrusion shaft and conveyed into the collecting barrel along the slag discharging pipe and the connecting pipe to be collected, and collection is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to collecting and storing mechanism technical field especially relates to a by -product collecting and storing mechanism for preparation of p -fluoro m -phenoxy benzaldehyde. BACKGROUND

[0002] P -fluoro m -phenoxy benzaldehyde is a chemical substance, and is mainly used for synthesizing intermediate of pyrethroid, such as pesticide, such as fluoro chlorocyanophenoxy benzaldehyde, fluoro chlorobenzene phenoxy benzaldehyde and hydrocarbon phenoxy benzaldehyde, and the synthesis method of p -fluoro m -phenoxy benzaldehyde includes 4 fluorine-3 phenoxy methyl toluene as starting material, and the hydroxy chlorination reaction and oxidation reaction are obtained

[0003] The existing p -fluoro m -phenoxy benzaldehyde will produce by -product when preparing, and the by -product needs to be separated and collected and stored with p -fluoro m -phenoxy benzaldehyde when collecting, but the existing collecting and storing mechanism generally needs to separate p -fluoro m -phenoxy benzaldehyde from by -product through separating equipment, and then the by -product is collected through collecting equipment, and the collection is troublesome, and in the collecting process, the waste gas produced by by -product is easy to leak to the surrounding environment, which causes harm to the health of workers, and the use effect is poor.Therefore, we propose a by -product collecting and storing mechanism for preparation of p -fluoro m -phenoxy benzaldehyde. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above -mentioned shortcomings in the prior art and proposes a by -product collecting and storing mechanism for preparation of p -fluoro m -phenoxy benzaldehyde.

[0005] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme: a by -product collecting and storing mechanism for preparation of p -fluoro m -phenoxy benzaldehyde is designed, which comprises a bottom plate, a reaction kettle is connected to the top of the bottom plate through a support leg, an extrusion pipe is installed at the bottom of the reaction kettle through a support, and one end of the top of the extrusion pipe is connected to the bottom of the reaction kettle through a material conveying pipe;

[0006] A spiral extrusion shaft is rotatably connected in the extrusion pipe, one end of the spiral extrusion shaft is connected to a driving motor, the driving motor is fixed to one end of the extrusion pipe, a discharge pipe is connected to the bottom of one end of the extrusion pipe close to the driving motor, a filter screen is connected to the inside of one end of the discharge pipe close to the extrusion pipe;

[0007] A slag discharge pipe is connected to the bottom of one end of the extrusion pipe away from the driving motor, a collecting barrel is connected to the top of the bottom plate, a barrel cover is arranged at the top of the collecting barrel, and the bottom of the slag discharge pipe is connected to the top of the barrel cover through a connecting pipe;

[0008] A connecting sleeve is arranged on the bottom edge of the barrel cover, and when the barrel cover covers the top opening of the collecting barrel, the connecting sleeve is sleeved on the side of the top of the collecting barrel and is screwed with the collecting barrel, and a supporting ring is arranged on the side of the top of the collecting barrel, and when the connecting sleeve is screwed, the bottom of the connecting sleeve abuts against the top of the supporting ring.

[0009] A sealing ring is arranged on the top edge of the supporting ring, and the inner surface of the sealing ring is sealingly matched with the bottom edge of the connecting sleeve.

[0010] Preferably, a valve is arranged on the extrusion pipe.

[0011] Preferably, the extrusion pipe is arranged in an inclined upward manner.

[0012] Preferably, the edge of the spiral extrusion shaft is gap-fitted with the side of the filter screen.

[0013] Preferably, a sealing gasket is arranged on the inner surface of the top of the collecting barrel, and when the barrel cover covers the top opening of the collecting barrel, the top of the sealing gasket abuts against the bottom of the barrel cover.

[0014] Preferably, an exhaust pipe is further connected to the top of the barrel cover, and the other end of the exhaust pipe is communicated with the gas outlet pipe connected to the top of the reaction kettle.

[0015] Preferably, the pitch of the spiral extrusion shaft is variable, and the pitch of the end of the spiral extrusion shaft close to the material conveying pipe is greater than the pitch of the end of the spiral extrusion shaft away from the material conveying pipe.

[0016] The design scheme of the utility model has the beneficial effects in the application process:

[0017] 1. The by-product and the p-fluoro-o-phenoxybenzaldehyde material can be separated by the spiral extrusion rod, so that the by-product can be conveyed to the slag discharge pipe along with the spiral extrusion shaft, and then conveyed to the collecting barrel along the slag discharge pipe and the connecting pipe for collection, which is convenient.

[0018] 2. The gap between the barrel cover and the collecting barrel can be sealed by the sealing ring and the sealing gasket, so that the waste gas emitted by the by-product can be prevented from leaking to the surrounding environment, so as to avoid harming the health of the workers and improve the use effect. DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a structural side view of the utility model and a reaction kettle;

[0021] Figure 3 It is a structural side view of the utility model;

[0022] Figure 4 It is a structural side view of the collecting barrel of the utility model.

[0023] In the figure: 1, the bottom plate; 2, drive motor; 3, valve; 4, feed pipe; 5, extrusion pipe; 6, discharge pipe; 7, barrel cover; 8, collection barrel; 9, support; 10, slag discharge pipe; 11, connecting pipe; 12, exhaust pipe; 13, screw extrusion shaft; 14, connecting sleeve; 15, sealing ring; 16, support ring; 17, gasket; 18, filter screen; 19, reaction kettle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Referring to Figures 1-4 A by-product collecting and storing mechanism for preparing p-hydroxyphenylbenzaldehyde, comprising a bottom plate 1, a reaction kettle 19 connected to the top of the bottom plate 1 through support legs, an extrusion pipe 5 installed at the bottom of the reaction kettle 19 through a support 9, and the top end of the extrusion pipe 5 connected to the bottom of the reaction kettle 19 through a feed pipe 4. In actual use, workers can put various raw materials and catalysts in the reaction kettle 19 for reaction processing, and then transport them to the extrusion pipe 5 through the feed pipe 4 for separation and collection after processing.

[0026] It should be noted that, as Figure 1 and Figure 2 shown, a valve 3 is installed on the extrusion pipe 5, so that the valve 3 can close the feed pipe 4 during the reaction processing of the raw materials to prevent the raw materials from falling into the extrusion pipe 5, and workers can open the valve 3 to transport the reacted materials to the extrusion pipe 5 after the raw materials are processed.

[0027] As Figure 3 shown, a screw extrusion shaft 13 is rotatably connected inside the extrusion pipe 5, one end of the screw extrusion shaft 13 is connected to a drive motor 2, and the drive motor 2 is fixed to one end of the extrusion pipe 5. A discharge pipe 6 is connected to the bottom of the end of the extrusion pipe 5 close to the drive motor 2, and a filter screen 18 is connected to the inside of one end of the discharge pipe 6 close to the extrusion pipe 5. In actual use, the materials and by-products will fall into the extrusion pipe 5, and at the same time, workers control the drive motor 2 to work, which can drive the screw extrusion shaft 13 to rotate, transport the by-products in the materials to the other end of the extrusion pipe 5, and the materials will pass through the filter screen 18 and be discharged along the discharge pipe 6 under the filtration of the filter screen 18.

[0028] It should be noted that, as Figure 3As shown, the pitch of the helical extrusion shaft 13 is variable, and the pitch of the end of the helical extrusion shaft 13 close to the feed pipe 4 is greater than the pitch of the end of the helical extrusion shaft 13 away from the feed pipe 4, so that the by-product is extruded by the helical extrusion shaft 13 during transportation, and the residual material is extruded out to avoid the material following the by-product out.

[0029] As shown in Figure 2 and Figure 3 , the bottom of the end of the extrusion pipe 5 away from the driving motor 2 is connected with a slag discharge pipe 10, the top of the bottom plate 1 is connected with a collection bucket 8, the top of the collection bucket 8 is provided with a bucket cover 7, and the top of the bucket cover 7 is connected with the bottom of the slag discharge pipe 10 through a connecting pipe 11. The by-product can be extruded by the helical extrusion shaft 13 and discharged through the slag discharge pipe 10 and fall into the collection bucket 8 along the connecting pipe 11 for collection and storage.

[0030] As shown in Figure 3 and Figure 4 , the bottom edge of the bucket cover 7 extends to be provided with a connecting sleeve 14, when the bucket cover 7 covers the top opening of the collection bucket 8, the connecting sleeve 14 is sleeved on the top side of the collection bucket 8 and is threadedly connected with the collection bucket 8, and a supporting ring 16 is installed on the top side of the collection bucket 8, when the connecting sleeve 14 is tightened, the bottom of the connecting sleeve 14 abuts against the top of the supporting ring 16, and in actual use, the bucket cover 7 and the collection bucket 8 can be installed together through the cooperation of the connecting sleeve 14 and the collection bucket 8.

[0031] As shown in Figure 4 , the top edge of the supporting ring 16 extends to be provided with a sealing ring 15, the inner surface of the sealing ring 15 is sealingly matched with the bottom edge of the connecting sleeve 14, and the gap between the connecting sleeve 14 and the collection bucket 8 can be sealed by the sealing ring 15 to avoid the waste gas generated by the by-product from leaking to the surrounding environment, thereby improving the use effect.

[0032] As shown in Figure 4 , the inner surface of the collection bucket 8 is provided with a sealing gasket 17 at the top, when the bucket cover 7 covers the top opening of the collection bucket 8, the top of the sealing gasket 17 abuts against the bottom of the bucket cover 7, and the sealing gasket 17 can seal between the bucket cover 7 and the collection bucket 8, thereby further improving the sealing effect.

[0033] Specifically, in use, the staff puts raw materials and catalyst into the reaction kettle 19 for reaction processing, after the reaction is completed, the staff opens the valve 3, the materials and by-products in the reaction kettle 19 are transported to the extrusion pipe 5 along the material conveying pipe 4, at the same time, the staff controls the driving motor 2 to work, the driving motor 2 drives the spiral extrusion shaft 13 to rotate, the by-products in the materials are transported to the deslagging pipe 10, at the same time, the materials pass through the filter screen 18 and are discharged along the discharge pipe 6, when the spiral extrusion shaft 13 transports the by-products, the spiral extrusion shaft 13 extrudes the by-products to extrude the residual materials in the by-products, then the dried by-products are transported to the collecting barrel 8 along the deslagging pipe 10 and the connecting pipe 11, are collected and stored, and the gap between the barrel cover 7 and the collecting barrel 8 can be sealed under the action of the sealing ring 15 and the sealing gasket 17, the leakage of waste gas emitted by the by-products to the surrounding environment is avoided, and the use effect is improved.

[0034] Further, as shown in Figure 2 The extrusion pipe 5 is arranged upwardly and obliquely, so that the materials flow to the bottom of the extrusion pipe 5 under the action of gravity and are discharged from the discharge pipe 6.

[0035] Further, as shown in Figure 3 The edge of the spiral extrusion shaft 13 is in gap cooperation with the side surface of the filter screen 18, so that the spiral extrusion shaft 13 does not cause serious abrasion to the filter screen 18, and the spiral extrusion shaft 13 also scrapes off the filtered by-products on the filter screen 18 when rotating, so that the filter screen 18 is prevented from being blocked.

[0036] Further, the barrel cover 7 is further connected with the exhaust pipe 12, the other end of the exhaust pipe 12 is connected with the gas outlet pipe connected with the top of the reaction kettle 19, and the exhaust pipe 12 can discharge the excess air in the collecting barrel 8 when the by-products are transported to the collecting barrel 8, so that the air pressure inside and outside the collecting barrel 8 is kept balanced.

[0037] The above merely describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A by-product collecting and storing mechanism for the preparation of p-fluoro- phenoxybenzaldehyde, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is connected with a reaction kettle (19) through a support leg, an extrusion pipe (5) is installed at the bottom of the reaction kettle (19) through a support (9), and the top end of the extrusion pipe (5) is connected with the bottom of the reaction kettle (19) through a feeding pipe (4); The inside of the extrusion pipe (5) is rotatably connected with a spiral extrusion shaft (13), one end of the spiral extrusion shaft (13) is connected with a driving motor (2), and the driving motor (2) is fixed at one end of the extrusion pipe (5); the end of the extrusion pipe (5) close to the driving motor (2) is connected with a discharge pipe (6) at the bottom, and the inside of the discharge pipe (6) is connected with a filter screen (18) close to one end of the extrusion pipe (5); A slag discharge pipe (10) is connected at the bottom of the end of the extrusion pipe (5) away from the driving motor (2), and the top of the bottom plate (1) is connected with a collecting barrel (8); the top of the collecting barrel (8) is provided with a barrel cover (7), and the top of the barrel cover (7) is connected with the bottom of the slag discharge pipe (10) through a connecting pipe (11); A connecting sleeve (14) is arranged at the bottom edge of the barrel cover (7) and is sleeved on the side of the collecting barrel (8) and is threadedly connected with the collecting barrel (8) when the barrel cover (7) covers the opening at the top of the collecting barrel (8); a supporting ring (16) is arranged at the top side of the collecting barrel (8), and the bottom of the connecting sleeve (14) abuts against the top of the supporting ring (16) when the connecting sleeve (14) is tightened; A sealing ring (15) is arranged at the top edge of the supporting ring (16) and is sealingly matched with the bottom edge of the connecting sleeve (14).

2. A by-product collecting and storing mechanism for the preparation of p-fluoro- m-phenoxybenzaldehyde according to claim 1, characterized in that: A valve (3) is arranged on the extrusion pipe (5).

3. A by-product collecting and storing mechanism for the preparation of p-fluoro- m-phenoxybenzaldehyde according to claim 1, characterized in that: The extrusion pipe (5) is arranged in an inclined upward manner.

4. The by-product collecting and storing mechanism for preparing p-fluoro-m-phenoxybenzaldehyde according to claim 1, characterized in that: The edge of the spiral extrusion shaft (13) is gap-fitted with the side of the filter screen (18).

5. A by-product collecting and storing mechanism for the preparation of p-fluoro- m-phenoxybenzaldehyde according to claim 1, characterized in that: A sealing gasket (17) is arranged at the top of the inner surface of the collecting barrel (8) and abuts against the bottom of the barrel cover (7) when the barrel cover (7) covers the opening at the top of the collecting barrel (8).

6. The by-product collecting and storing mechanism for the preparation of p-fluoro- m-phenoxybenzaldehyde according to claim 1, characterized in that: The top of the barrel cover (7) is further connected with an exhaust pipe (12), and the other end of the exhaust pipe (12) is connected with a gas outlet pipe arranged at the top of the reaction kettle (19).

7. A by-product collecting and storing mechanism for the preparation of p-fluoro- m-phenoxybenzaldehyde according to claim 1, characterized in that: The pitch of the spiral extrusion shaft (13) is variable, and the pitch of the end of the spiral extrusion shaft (13) close to the feeding pipe (4) is greater than the pitch of the end of the spiral extrusion shaft (13) away from the feeding pipe (4).

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