CN210138656U

CN210138656U - Device for cleaning inactivated catalyst in synthesis of flunixin meglumine intermediate MTA

Info

Publication number: CN210138656U
Application number: CN201922232342.7U
Authority: CN
Inventors: 贺军; 杨松涛; 刘雪林; 王辉; 徐守平; 朱振锋
Original assignee: Dongying Zhikang Pharmaceutical Technology Co Ltd
Current assignee: Dongying Zhikang Pharmaceutical Technology Co Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-03-13
Anticipated expiration: 2029-12-13

Abstract

The utility model relates to a device to catalyst clearance that does not inactivate in flunixin meglumine midbody MTA is synthetic belongs to chemical industry equipment technical field, and the device includes deoxidation water pitcher A, the sewer pipe, titanium stick filter, the toper basin, self priming pump and recovery water pitcher, sewer pipe one end is connected to deoxidation water pitcher A, and the sewer pipe other end is connected to the water inlet of titanium stick filter upper end closing cap, and titanium stick filter lower extreme sets up the toper basin, and the toper basin passes through the pipe connection to self priming pump import, and self priming pump exit linkage to retrieves water pitcher upper end, and recovery water pitcher lower extreme is connected to the sewer pipe, the utility model discloses whole journey water, avoid titanium stick filter to take place the spontaneous combustion when clearing up the catalyst that does not inactivate, and the catalyst water that does not inactivate can clarify the retrieval and utilization, three wastes output is few.

Description

Device for cleaning inactivated catalyst in synthesis of flunixin meglumine intermediate MTA

Technical Field

The utility model relates to a device to catalyst clearance not inactivated in flunixin meglumine midbody MTA is synthetic belongs to chemical industry equipment technical field.

Background

2-methyl-5-trifluoromethyl aniline, MTA for short, is an important intermediate for producing flunixin meglumine. The heavy metal catalyst is used frequently in MTA synthesis, the heavy metal catalyst activity is very high, easy spontaneous combustion under the dry state, especially when using titanium rod filter to carry out the clearance of catalyst that does not inactivate, a small amount of catalysts that are infected with titanium rod filter inward flange can meet the air and produce the mars, the emergence of naked light causes the potential safety hazard increase in workshop, and the catalyst after the use has the stickness, be difficult to clear up, adopt the conventional clearance of mechanical type can damage the titanium rod filter core in a large number, cause cost increase, the amount of labour increases.

Chinese patent document (publication number: CN207324761U) discloses a catalyst cleaning device, which mainly solves the problems of time consumption, labor consumption and low safety of the existing catalyst cleaning method to be cleaned in the prior art, and adopts a catalyst cleaning device which comprises a catalyst separation container to be cleaned, wherein the separation container comprises a lower cylinder with a cross section reduced from top to bottom, a dust discharge channel is arranged on the upper top surface of the separation container, a fan is arranged on the dust discharge channel, a cleaned catalyst outlet is arranged at the lower part of the lower cylinder, and a cleaned catalyst outlet valve is arranged at the catalyst outlet; the inner space of the separation container is divided into an upper space and a lower space by the separation surface comprising the particle size screening component, and the device separates and cleans the catalyst through the separation container, but cannot solve the problem that the heavy metal catalyst is easy to generate sparks when meeting air.

Disclosure of Invention

To the not enough of prior art, the utility model provides a to the device of catalyst clearance that does not inactivate in flunixin meglumine midbody MTA is synthetic, the dry spontaneous combustion of catalyst has been avoided to the whole water of the device, and the clearance catalyst water can clarify the retrieval and utilization, and the three wastes output is few, and the device is simple effective, safe environmental protection.

The technical scheme of the utility model as follows:

the utility model provides a device to non-inactivation catalyst clearance in flunixin meglumine midbody MTA is synthetic, including deoxidation water pitcher A, inlet water pipeline, titanium rod filter, toper basin, self priming pump and recovery water pitcher, inlet water pipeline one end is connected to deoxidation water pitcher A, and the inlet water pipeline other end is connected to the water inlet of titanium rod filter upper end closing cap, and titanium rod filter lower extreme sets up the toper basin, and the toper basin passes through pipe connection to self priming pump import, and self priming pump exit linkage to recovery water pitcher upper end, recovery water pitcher lower extreme are connected to the inlet water pipeline.

According to the utility model discloses, preferably, the water inlet is provided with pressure shower nozzle.

According to the utility model discloses, preferred, the closing cap is provided with into nitrogen mouth, and the titanium stick filter is through going into nitrogen mouth pipe connection to nitrogen gas jar.

According to the utility model discloses, preferably, the closing cap is equipped with drain, drain outer connecting tube.

According to the utility model discloses, it is preferred, be provided with the check valve on the pipeline of self priming pump to recovery water pitcher, prevent the liquid backward flow.

According to the utility model discloses, it is preferred, be provided with flow sight glass A on the admission line.

According to the utility model discloses, preferred, recovery water pitcher upper end pipe connection is to deoxidation water pitcher B, and recovery water pitcher liquid flows into deoxidation water pitcher B when too much.

According to the utility model discloses, preferably, be provided with flow sight glass B on the pipeline of recovery water pitcher to deoxidation water pitcher B.

According to the utility model discloses, preferred, titanium stick filter top is provided with the davit, installs the closing cap ear clamp under the davit, through davit and closing cap ear clamp hoist and mount titanium stick filter.

The utility model discloses whole journey water, avoid titanium rod filter to take place the spontaneous combustion when the inactive catalyst of clearance, and the inactive catalyst water of clearance can clarify the retrieval and utilization, the three wastes output is few, pending inactive catalyst gets into titanium rod filter through the entry, the deoxygenated water is spouted into titanium rod filter through pressure shower nozzle, add the inactive catalyst of deoxygenated water clearance, avoid inactive catalyst and air contact to take place the spontaneous combustion, and do not contain oxygen in the deoxygenated water, can not react with the inactive catalyst production, the inactive catalyst clearance finishes the back through export outflow titanium rod filter, get into next workshop section, the deoxygenated water after the clearance catalyst flows into the toper basin, then by the suction recovery water pitcher of self priming pump, recycle.

The utility model discloses pack nitrogen gas in titanium stick filter, the effectual catalyst and the air contact of not having avoided inactivation, titanium stick filter passes through drain release internal pressure, avoids producing danger, and the pipeline of sewer pipe and recovery water pitcher to deoxidation water pitcher B all is provided with the flow sight glass, conveniently observes the mobile state of deoxidation water.

The beneficial effects of the utility model reside in that:

1. the utility model discloses whole journey water avoids the titanium rod filter to take place the spontaneous combustion when the not deactivated catalyst of clearance, and the not deactivated catalyst water of clearance can clarify the retrieval and utilization, and the three wastes output is few, and the catalyst of not deactivating can measure the splendid attire retrieval and utilization once more.

2. The utility model discloses pack nitrogen gas in the titanium stick filter, the effectual catalyst that has avoided not deactivating contacts with the air, has further reduced the risk of the spontaneous combustion of catalyst that does not deactivate.

3. The utility model discloses be provided with the flow sight glass, conveniently survey the mobile state of deoxygenated water.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention

Fig. 2 is a schematic view of the suspension arm and the cover clip structure of the present invention

Wherein: 1. a titanium rod filter; 2. an inlet; 3. an outlet; 4. a pressure nozzle; 5. sealing the cover; 6. a conical water tank; 7. a self-priming pump; 8. a check valve; 9. a recovery water tank; 10. a vent port; 11. a nitrogen inlet; 12. a flow rate view mirror A; 13. a flow rate view mirror B; 14. covering the ear clip; 15. a suspension arm; 16. a water inlet; 17. a deoxygenation water tank A; 18. a nitrogen tank; 19. and a deoxygenation water tank B.

Detailed Description

The present invention will be further described, but not limited to, by the following examples in conjunction with the accompanying drawings.

Example 1:

as shown in fig. 1-2, this embodiment provides a device for cleaning inactivated catalyst in the synthesis of flunixin meglumine intermediate MTA, including deoxygenation water pitcher a17, the inlet water pipeline, titanium rod filter 1, toper basin 6, self priming pump 7 and recovery water pitcher 9, inlet water pipeline one end is connected to deoxygenation water pitcher a17, the inlet water pipeline other end is connected to the water inlet 16 of titanium rod filter 1 upper end closing cap 5, water inlet 16 is provided with pressure nozzle 4, titanium rod filter 1 lower extreme sets up toper basin 6, toper basin 6 is connected to self priming pump 7 inlet through the pipeline, self priming pump 7 outlet is connected to recovery water pitcher 9 upper end, recovery water pitcher 9 lower extreme is connected to the inlet water pipeline.

The method comprises the following steps that an un-deactivated catalyst to be treated enters a titanium rod filter 1 through an inlet 2, deoxygenated water is sprayed into the titanium rod filter 1 through a pressure spray head 4, the un-deactivated catalyst is cleaned by adding the deoxygenated water, the situation that the un-deactivated catalyst is contacted with air to generate spontaneous combustion is avoided, oxygen is not contained in the deoxygenated water, the oxygen cannot react with the un-deactivated catalyst, the un-deactivated catalyst flows out of the titanium rod filter 1 through an outlet 3 after being cleaned, the un-deactivated catalyst enters a next step, the deoxygenated water after the catalyst is cleaned flows into a conical water tank 6, and then the deoxygenated water is sucked into a recovery water tank 9 by a self-.

Example 2:

the structure of the device for cleaning the inactivated catalyst in the synthesis of the flunixin meglumine intermediate MTA is as described in example 1, except that a sealing cover 5 is provided with a nitrogen inlet 11, a titanium rod filter 1 is connected to a nitrogen tank 18 through a nitrogen inlet 11 pipeline, the sealing cover 5 is also provided with a vent 10, and the vent 10 is externally connected with a pipeline.

The titanium rod filter 1 is filled with nitrogen, so that the contact of the catalyst which is not inactivated with air is effectively avoided, and the titanium rod filter 1 releases the internal pressure through the vent to avoid generating danger.

Example 3:

the structure of a device for cleaning the inactivated catalyst in the synthesis of a flunixin meglumine intermediate MTA is as described in embodiment 1, except that a check valve 8 is arranged on a pipeline from a self-sucking pump 7 to a recovery water tank 9 to prevent liquid from flowing back.

Example 4:

the structure of the device for cleaning the inactivated catalyst in the synthesis of the flunixin meglumine intermediate MTA is as described in the embodiment 1, and the difference is that a flow view mirror A12 is arranged on a water inlet pipeline, the upper end pipeline of a recovery water tank 9 is connected to a deoxygenation water tank B19, the recovery water tank 9 flows into a deoxygenation water tank B19 when the liquid is excessive, and flow view mirrors B13 are arranged on the pipelines from the recovery water tank 9 to the deoxygenation water tank B19.

Example 5:

the structure of the device for cleaning the catalyst which is not inactivated in the synthesis of the intermediate MTA of flunixin meglumine is as described in the embodiment 1, and the difference is that a suspension arm 15 is arranged above a titanium rod filter 1, a sealing cover ear clip 14 is arranged below the suspension arm 15, and the titanium rod filter 1 is hoisted through the suspension arm 15 and the sealing cover ear clip 14.

Claims

1. The utility model provides a device to non-inactivation catalyst clearance in flunixin meglumine midbody MTA is synthetic, a serial communication port, including deoxidation water pitcher A, the pipeline of intaking, titanium rod filter, the toper basin, self priming pump and recovery water pitcher, pipeline of intaking one end is connected to deoxidation water pitcher A, and the pipeline of intaking other end is connected to the water inlet of titanium rod filter upper end closing cap, and titanium rod filter lower extreme sets up the toper basin, and the toper basin passes through pipe connection to self priming pump import, and self priming pump exit linkage to recovery water pitcher upper end, and recovery water pitcher lower extreme is connected to the pipeline of intaking.

2. The apparatus for cleaning the catalyst which is not deactivated in the synthesis of flunixin meglumine intermediate MTA according to claim 1, wherein the water inlet is provided with a pressure nozzle.

3. The apparatus for cleaning a catalyst which has not been deactivated in the synthesis of meglumine flunixin intermediate MTA according to claim 1, wherein the cover is provided with a nitrogen inlet, and the titanium rod filter is connected to a nitrogen tank through a nitrogen inlet pipe.

4. The apparatus for cleaning catalyst not deactivated in the synthesis of flunixin meglumine intermediate MTA according to claim 3, wherein the cap is provided with a vent, and the vent is externally connected with a pipeline.

5. The apparatus for cleaning the catalyst which is not deactivated in the synthesis of flunixin meglumine intermediate MTA as claimed in claim 1, wherein the pipeline from the self-priming pump to the recovery water tank is provided with a check valve.

6. The apparatus for cleaning the catalyst which is not deactivated in the synthesis of flunixin meglumine intermediate MTA according to claim 1, wherein the water inlet pipe is provided with a flow rate mirror A.

7. The apparatus for cleaning the catalyst which is not deactivated in the synthesis of flunixin meglumine intermediate MTA according to claim 1, wherein the upper end pipeline of the recovery water tank is connected to the deoxygenating water tank B.

8. The apparatus for cleaning catalyst which is not deactivated in the synthesis of flunixin meglumine intermediate MTA according to claim 7, wherein a flow rate view mirror B is provided on the pipeline from the recovery water tank to the deoxygenated water tank B.

9. The apparatus for cleaning the catalyst which is not deactivated in the synthesis of the intermediate MTA of flunixin meglumine according to claim 1, wherein a suspension arm is arranged above the titanium rod filter, a cover ear clip is arranged under the suspension arm, and the titanium rod filter is hoisted through the suspension arm and the cover ear clip.