CN214715546U

CN214715546U - Recovery unit of dimethylacetamide production

Info

Publication number: CN214715546U
Application number: CN202121428411.2U
Authority: CN
Inventors: 尹东峰
Original assignee: Ji'an Julian Environmental Protection Technology Co ltd
Current assignee: Ji'an Julian Environmental Protection Technology Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-11-16
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a recovery device for dimethylacetamide production, which relates to the technical field of chemical recovery, and comprises a recovery device, wherein the recovery device comprises a feeding area, a filtering area and a collecting area, the feeding area comprises a feeding port and a water spray nozzle, a box cover is arranged on the feeding port, the feeding area is provided with a mixing device, the bottom of the feeding area is provided with a baffle plate, the baffle plate is provided with a blanking pipe, the blanking pipe is provided with a valve, a spraying device is arranged between the filtering area and the feeding area, the output end of the blanking pipe is connected with the spraying device, the filtering area is provided with a plurality of filter plates, the mesh apertures of the filter plates are sequentially reduced, a plurality of guide plates are arranged between the filtering area and the collecting area, the guide plates are arranged at two sides of the inner wall of the recovery device at intervals, the spraying water and waste gas are mixed and stirred by the mixing device, the solubility of dimethylacetamide is fully improved, and the baffle plate is arranged between the feeding area and the filtering area, the contact time of the spray water and the dimethylacetamide is prolonged, and the recovery rate of the dimethylacetamide is effectively improved.

Description

Recovery unit of dimethylacetamide production

Technical Field

The utility model relates to a technical field is retrieved to the chemicals, specifically is a recovery unit of dimethylacetamide production.

Background

Dimethylacetamide is the alias of N, N-dimethylacetamide, DMAC for short, the molecular formula of DMAC is C4H9NO, the molecular weight is 87.12, the boiling point under normal pressure is 166.1 ℃, DMAC is often used as a solvent for other chemical production, and DMAC is largely volatilized to form tail gas in the application process, and if the tail gas is directly discharged into the atmosphere, the environment is polluted, and resource waste is also caused, so that DMAC recycling is a conventional method for reducing the cost and emission pollution of the industry. At present, the recovery of tail gas in production adopts dimethyl acetamide to dissolve in spray water to retrieve dimethyl acetamide, but the contact time of spray water and waste gas is shorter, can't effectual improvement dimethyl acetamide's rate of recovery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a recovery unit of dimethylacetamide production to solve the problem in the above-mentioned technical background.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a recovery unit of dimethylacetamide production, includes recovery unit, recovery unit includes feeding zone, filtering area and collecting region, the feeding zone includes feed inlet and water jet, be equipped with the case lid on the feed inlet, the feeding zone is equipped with mixing arrangement, the bottom in feeding zone is equipped with the baffle, the unloading pipe is installed to the baffle, be equipped with the valve on the unloading pipe, be equipped with spray set between filtering area and the feeding zone, just the output and the spray set of unloading pipe are connected, a plurality of filters are installed to the filtering area, and a plurality of the mesh aperture of filter reduces from top to bottom in proper order, be equipped with a plurality of guide plates between filtering area and the collecting region, the guide plate interval sets up recovery unit inner wall both sides.

As a further aspect of the present invention: an air pipe is arranged below the recovery device along the guide plate and communicated with an external absorption device.

As a further aspect of the present invention: the spraying device is a water spraying pipe, a plurality of nozzles are arranged on the water spraying pipe, and the output ends of the nozzles face the filtering area.

As a further aspect of the present invention: the case lid passes through hinge assembly and recovery unit swing joint, be equipped with case lid bracing piece buckle between case lid and the feed inlet.

As a further aspect of the present invention: mixing arrangement is including rotatory roller and driving motor, driving motor installs in recovery unit's the outside, just driving motor's output is connected with rotatory roller, be equipped with the stirring leaf on the rotatory roller.

As a further aspect of the present invention: the filter plate is characterized in that clamping grooves are arranged on two sides of the filter area, and the filter plate is inserted into the clamping grooves.

As a further aspect of the present invention: the filter area is provided with a sealing box door, and the sealing box door is installed on the recovery device through a bolt.

As a further aspect of the present invention: the collecting area is provided with a cavity, and a collecting box is arranged along the cavity in the collecting area.

To sum up the utility model discloses following beneficial effect has:

1. the utility model discloses a be equipped with mixing arrangement in the feeding district, make the shower water mix the stirring with waste gas, the solubility of abundant improvement dimethylacetamide, and be equipped with the baffle between feeding district and the filtering area, make rivers can not downflow to the filtering area through the baffle, make shower water and dimethylacetamide contact time increase, the effectual rate of recovery that improves dimethylacetamide.

2. The utility model discloses a be equipped with the multi-region filter at the filtering area, make the raw materials can carry out multiple filtration when equipment filters, the mesh aperture of a plurality of filters reduces from top to bottom in proper order for middle part impurity can be held back between two district filter screens in the waste gas, the effectual filter effect of having strengthened, and the filter passes through the draw-in groove and pegs graft in the filtering area, through dismantling sealed chamber door, can regularly take out the filter, can change the filter, effectual filter equipment's that has improved work efficiency.

3. The utility model discloses an install a plurality of guide plates between filtering area and collecting region, the raw materials that make the filtering area drop can drop to the collecting box on the collecting region in through the guide plate in, and the below intercommunication of guide plate has the trachea, and the gas after filtering through the filtering area can be along with in the trachea discharges to outside absorbing device.

4. The utility model discloses an install and collect the box, make equipment work back that finishes, the box is collected in the extraction of staff's accessible will have filtered liquid and retrieve.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic front view of the present invention;

fig. 3 is a schematic view of the filter plate of the present invention.

In the figure: 1. a feed zone; 2. a water jet; 3. a box cover; 4. a hinge assembly; 5. buckling; 6. a feed inlet; 7. a rotating roller; 8. a drive motor; 9. stirring blades; 10. a partition plate; 11. a filtration zone; 12. a discharging pipe; 13. a water spray pipe; 14. a nozzle; 15. a card slot; 16. a filter plate; 17. a baffle; 18. an air tube; 19. a collection region; 20. a collection box; 21. and sealing the box door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a following technical scheme:

as shown in fig. 1-3, a recycling device for producing dimethylacetamide comprises a recycling device, in this embodiment, the recycling device is arranged in a tower shape, the recycling device comprises a feeding area 1, a filtering area 11 and a collecting area 19, the feeding area 1 comprises a feeding port 6 and a water spraying port 2, in this embodiment, the feeding port 6 is obliquely arranged on one side of the top of the recycling device, a box cover 3 is arranged on the feeding port 6, the box cover 3 is movably connected with the recycling device through a hinge assembly 4, a box cover support rod buckle 5 is arranged between the box cover 3 and the feeding port 6, the feeding area 1 is provided with a mixing device, the mixing device comprises a rotating roller 7 and a driving motor 8, the driving motor 8 is arranged on the outer side of the recycling device, the output end of the driving motor 8 is connected with the rotating roller 7, a stirring blade 9 is arranged on the rotating roller 7, a partition plate 10 is arranged at the bottom of the feeding area 1, and a discharging pipe 12 is arranged on the partition plate 10, the blanking pipe 12 is provided with a valve, the spraying water and the waste gas are mixed and stirred by arranging a mixing device in the feeding area 1, the solubility of the dimethylacetamide is fully improved, the partition plate 10 is arranged between the feeding area 1 and the filtering area 11, the water flow cannot flow down to the filtering area 11 through the partition plate 10, the contact time of the spraying water and the dimethylacetamide is prolonged, the recovery rate of the dimethylacetamide is effectively improved, the spraying device is arranged between the filtering area 11 and the feeding area 1, the output end of the blanking pipe 12 is connected with the spraying device, the spraying device is a water spraying pipe 13, the water spraying pipe 13 is provided with a plurality of nozzles 14, the output end of each nozzle 14 faces the filtering area 11, the filtering area 11 is provided with a plurality of filter plates 16, the mesh apertures of the plurality of filter plates 16 are sequentially reduced from top to bottom, the clamping grooves 15 are arranged on both sides of the filtering area 11, and the filter plates 16 are inserted in the clamping grooves 15, the filter area 11 is provided with a sealed box door 21, the sealed box door 21 is arranged on the recovery device through bolts, the filter area 11 is provided with a plurality of filter plates 16, so that raw materials can be subjected to multiple filtration when the equipment is subjected to filtration, the mesh apertures of the filter plates 16 are sequentially reduced from top to bottom, so that partial impurities in the waste gas can be trapped between the filter screens of the two areas, the filtration effect is effectively enhanced, the filter plates 16 are inserted into the filter area 11 through clamping grooves 15, the filter plates 16 can be periodically taken out by disassembling the sealed box door 21, the filter plates 16 can be replaced, the working efficiency of the filter device is effectively improved, a plurality of guide plates 17 are arranged between the filter area 11 and a collecting area 19, two sides of the inner wall of the recovery device are arranged at intervals on the guide plates 17, air pipes 18 are arranged below the guide plates 17, the air pipes 18 are communicated with an external absorption device, and a plurality of guide plates 17 are arranged between the filter area 11 and the collecting area 19, the raw materials that make filtering area 11 drop can drop to the collecting box 20 on the collecting region 19 through guide plate 17 in, and the below intercommunication of guide plate 17 has trachea 18, and the gas after filtering through filtering area 11 can be along with trachea 18 discharges to outside absorbing device, and the cavity has been seted up in collecting region 19, and collecting box 20 is installed along the cavity in collecting region 19, through installing collecting box 20, makes equipment work back that finishes, and staff's accessible extraction is collected box 20 and is retrieved the raw materials that have filtered.

The utility model discloses a theory of operation: the gas raw material is guided into the feeding area 1 of the recovery device through the external transmission gas pipe which is communicated with the feeding hole 6, meanwhile, the water spray opening 2 guides spray water into the feeding area 1, the driving motor 8 is started to drive the mixing device to move, the stirring blades 9 are driven to rotate by the rotating roller 7 to mix the spraying water and the gas raw materials, the mixed raw materials are guided into the spraying device by the discharging pipe 12, carry out even emission through a plurality of nozzles 14 on the spray set, make the raw materials even drop to filtering area 11, be equipped with a plurality of filters 16 in the filtering area 11, the raw materials drops down after passing through filtering area 11's multiple filtration, rivers pass through guide plate 17 and drop to collecting region 19 in, gaseous through setting up in the trachea 18 discharge to outside absorbing device under guide plate 17, equipment work back that finishes, the staff accessible will collect box 20 and extract from collecting region 19 and retrieve.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a recovery unit of dimethylacetamide production, includes recovery unit, its characterized in that: the recovery device comprises a feeding area (1), a filtering area (11) and a collecting area (19), the feeding area (1) comprises a feeding hole (6) and a water spraying hole (2), a box cover (3) is arranged on the feeding hole (6), the feeding area (1) is provided with a mixing device, the bottom of the feeding area (1) is provided with a clapboard (10), the baffle plate (10) is provided with a discharging pipe (12), the discharging pipe (12) is provided with a valve, a spraying device is arranged between the filtering area (11) and the feeding area (1), the output end of the blanking pipe (12) is connected with a spraying device, the filtering area (11) is provided with a plurality of filtering plates (16), and a plurality of the apertures of the filter plates (16) are sequentially reduced from top to bottom, a plurality of guide plates (17) are arranged between the filter area (11) and the collecting area (19), and the two sides of the inner wall of the recovery device are arranged at intervals of the guide plates (17).

2. The recycling device for the production of dimethylacetamide according to claim 1, characterized in that: an air pipe (18) is arranged below the recovery device along the guide plate (17), and the air pipe (18) is communicated with an external absorption device.

3. The recycling device for the production of dimethylacetamide according to claim 1, characterized in that: the spraying device is a water spraying pipe (13), a plurality of nozzles (14) are arranged on the water spraying pipe (13), and the output ends of the nozzles (14) face the filtering area (11).

4. The recycling device for the production of dimethylacetamide according to claim 1, characterized in that: case lid (3) are through hinge subassembly (4) and recovery unit swing joint, be equipped with case lid bracing piece buckle (5) between case lid (3) and feed inlet (6).

5. The recycling device for the production of dimethylacetamide according to claim 1, characterized in that: mixing arrangement is including rotatory roller (7) and driving motor (8), driving motor (8) are installed in recovery unit's the outside, just the output and the rotatory roller (7) of driving motor (8) are connected, be equipped with stirring leaf (9) on rotatory roller (7).

6. The recycling device for the production of dimethylacetamide according to claim 1, characterized in that: clamping grooves (15) are arranged on two sides of the filtering area (11), and the filtering plate (16) is inserted into the clamping grooves (15).

7. The recycling device for the production of dimethylacetamide according to claim 6, characterized in that: the filter area (11) is provided with a sealing box door (21), and the sealing box door (21) is installed on the recovery device through bolts.

8. The recycling device for the production of dimethylacetamide according to claim 1, characterized in that: the collecting area (19) is provided with a cavity, and a collecting box (20) is arranged along the cavity in the collecting area (19).