CN223055213U - Device for DMF wastewater treatment by utilizing absorption heat pump - Google Patents

Abstract

The utility model discloses a device for treating DMF wastewater by utilizing an absorption heat pump, which comprises a filter pipe body, wherein the left end of the filter pipe body is fixedly connected with a clamping ring, the right side of the filter pipe body is fixedly connected with a flange, a filter screen is fixedly connected in the filter pipe body, the middle position of the filter screen is rotationally connected with a rotating shaft, the right side of the filter screen positioned at the right end is fixedly connected with a fixed rod, the fixed rod positioned at the upper side of the rotating shaft is fixedly connected with a supporting rod, the supporting rod is rotationally connected with a driving shaft, the lower end of the driving shaft is fixedly connected with a first bevel gear, the upper end of the driving shaft is rotationally connected with a second bevel gear, the rotating shafts positioned at the left side of the filter screen are fixedly connected with fixed rings, the fixed rings are fixedly connected with cleaning brushes, the filter pipe body positioned in a driving box is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a third bevel gear, and the rotating shaft positioned below the first bevel gear is fixedly connected with a fourth bevel gear. Through the structure, the problem that the later cleaning and maintenance are inconvenient is solved.

Description

Device for DMF wastewater treatment by utilizing absorption heat pump

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to a device for treating DMF wastewater by utilizing an absorption heat pump.

Background

Since DMF only acts as a carrier solvent without chemical reaction, there is little loss in quantity, but is entirely introduced into the process waste water. Only the synthetic leather industry discharges about 1 million tons of DMF-containing wastewater per year. DMF is biotoxic, and long-term contact or inhalation by the human body can obstruct hematopoiesis, cause liver obstruction, and also cause serious pollution to the atmosphere and water. DMF value is higher, in order to eliminate the influence of DMF waste water to the environment, also in order to reduce the manufacturing cost of enterprise, must retrieve and recycle DMF waste water.

The patent number CN202023082015.7 is found through retrieval when the patent is applied to the Chinese patent, and the device for treating DMF wastewater by utilizing the absorption heat pump comprises an absorption heat pump and a decompression rectifying tower, wherein a DMF filter is arranged at the feed end of the decompression rectifying tower, a reboiler is arranged in the decompression rectifying tower, a generator is arranged in the decompression rectifying tower, a heat steam pipe is arranged at the top of the decompression rectifying tower and is communicated with the condensation tank, a condensation drain pipe and a reflux heating pipe are arranged in the condensation tank, and the reflux heating pipe enters the absorption heat pump again and is connected with the heat source input end of the reboiler after being heated. The device utilizes the hot steam generated by the decompression rectifying tower as the driving energy of an absorption heat pump, and simultaneously, the part of steam is further heated and reflowed to a reboiler for secondary distillation, so that the heat energy is utilized, and the reflux effect is also played to improve the separation effect of rectification. However, in long-term use, cleaning and maintenance of the apparatus are required, and the apparatus needs to be disassembled when the dmf filter is cleaned, and the operation is complicated, so that improvement is required.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a device for treating DMF wastewater by utilizing an absorption heat pump, which solves the problem that the DMF wastewater is inconvenient to clean and maintain in the later period.

The utility model also provides a device for treating DMF wastewater by utilizing the absorption heat pump, which comprises a filter pipe body, wherein the left end of the filter pipe body is fixedly connected with a clamping ring, the right side of the filter pipe body is fixedly connected with a flange, the filter pipe body is fixedly connected with a filter screen, three filter screens are rotatably connected with a rotating shaft in the middle position, the right side of the filter screen is fixedly connected with a fixed rod positioned at the right end, the right end of the rotating shaft is rotatably connected with the fixed rod, the fixed rod positioned at the upper side of the rotating shaft is fixedly connected with a supporting rod, the supporting rod is rotatably connected with a driving shaft, the lower end of the driving shaft is fixedly connected with a first bevel gear, the upper end of the driving shaft is rotatably connected with a second bevel gear, the rotating shaft positioned at the left side of the filter screen is fixedly connected with a fixed ring, the fixed ring is fixedly connected with a cleaning brush, the upper side of the filter pipe body is fixedly connected with a driving box, the filter pipe body positioned in the driving box is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a third bevel gear, and the rotating shaft positioned below the first bevel gear is fixedly connected with a fourth bevel gear.

According to the device for treating DMF wastewater by utilizing the absorption heat pump, the types of the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are the same, the directions of the first bevel gear and the second bevel gear are opposite, and the second bevel gear is positioned in the driving box.

According to the device for treating DMF wastewater by utilizing the absorption heat pump, the third bevel gear is in meshed connection with the second bevel gear, and the first bevel gear is in meshed connection with the fourth bevel gear.

According to the device for treating DMF wastewater by utilizing the absorption heat pump, an annular clamping groove is formed in the outer side of the clamping ring, and limiting ports are formed in the upper side and the lower side of the annular clamping groove.

According to the device for treating DMF wastewater by utilizing the absorption heat pump, the flange is provided with the through hole.

According to the device for treating DMF wastewater by utilizing the absorption heat pump, a drain pipe is arranged on the filter pipe body at the lower side of the cleaning brush, valves are arranged on the drain pipes, and the three drain pipes are respectively arranged at the lower side of the filter screen.

According to the device for treating DMF wastewater by utilizing the absorption heat pump, one side of the cleaning brush with the brush is contacted with the filter screen.

According to the device for treating DMF wastewater by utilizing the absorption heat pump, the filter screen is round, and the periphery is fixedly connected with the inner side wall of the filter tube body.

The utility model has the following beneficial effects:

According to the utility model, the filter pipe body is provided with the driving motor, and the driving shaft drives the rotating shaft to rotate under the action of the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear, so that the cleaning brush rotates around the rotating shaft as the circle center, the filter screen is cleaned, and finally the filter screen is discharged from the blow-off pipe.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further illustrated by the following figures and examples;

FIG. 1 is a block diagram of an apparatus for DMF wastewater treatment using an absorption heat pump according to the present utility model;

FIG. 2 is a sectional view construction diagram of an apparatus for DMF wastewater treatment using an absorption heat pump according to the present utility model;

FIG. 3 is an enlarged view of the structure at A in FIG. 1;

Fig. 4 is an enlarged view of the structure at B in fig. 2.

Legend description:

1. The filter tube comprises a filter tube body, a clamping ring, a 21 annular clamping groove, a 22 limiting port, a3 flange, a4 driving box, a 41 driving motor, a5 filter screen, a 6 rotating shaft, a 7 fixing ring, a 71 cleaning brush, a 8 fixing rod, a 9 support rod, a 10 driving shaft, a 11 first bevel gear, a 12 second bevel gear, a 13 third bevel gear, a 14 fourth bevel gear, a 15 blow-off pipe, a 16 valve.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the device for DMF wastewater treatment by using an absorption heat pump according to the embodiment of the present utility model includes a filter tube body 1, a clamping ring 2 is fixedly connected to the left end of the filter tube body 1, a flange 3 is fixedly connected to the right side of the filter tube body, an annular clamping groove 21 is provided on the outer side of the clamping ring 2, limiting openings 22 are provided on the upper and lower sides in the annular clamping groove 21, through holes are provided on the flange 3, a waste water pipe can be directly installed in the annular clamping groove 21 through the annular clamping groove 21 and the limiting openings 22, and then the waste water pipe is rotated to be clamped in the limiting openings 22, so that the installation can be completed, the operation is convenient, and the filter tube body 1 can be installed on a vacuum rectifying tower through bolts and the through holes;

The filter tube body 1 is internally and fixedly connected with a filter screen 5, the filter screen 5 is circular, the periphery is fixedly connected with the inner side wall of the filter tube body 1, the filter screen 5 is three, the middle position is rotationally connected with a rotating shaft 6, the right side of the filter screen 5 at the right end is fixedly connected with a fixed rod 8, the right end of the rotating shaft 6 is rotationally connected with the fixed rod 8, the fixed rod 8 at the upper side of the rotating shaft 6 is fixedly connected with a support rod 9, the support rod 9 is rotationally connected with a driving shaft 10, the lower end of the driving shaft 10 is fixedly connected with a first bevel gear 11, the upper end is rotationally connected with a second bevel gear 12, the rotating shaft 6 at the left side of the filter screen 5 is fixedly connected with a fixed ring 7, the fixed ring 7 is fixedly connected with a cleaning brush 71, the filter tube body 1 at the lower side of the cleaning brush 71 is provided with a sewage drain pipe 15, the sewage pipe 15 is provided with a valve 16, the three sewage pipes 15 are respectively positioned at the lower side of the filter screen 5, and one side of the cleaning brush 71 is contacted with the filter screen 5;

The filter tube body 1 upside fixedly connected with drive case 4 is located the filter tube body 1 of drive case 4 on fixedly connected with driving motor 41, driving motor 41 output fixedly connected with third bevel gear 13, be located the pivot 6 of first bevel gear 11 below on fixedly connected with fourth bevel gear 14, first bevel gear 11, second bevel gear 12, third bevel gear 13 and fourth bevel gear 14 model are the same, first bevel gear 11 and second bevel gear 12 opposite direction, second bevel gear 12 is located drive case 4, third bevel gear 13 meshing connection second bevel gear 12, first bevel gear 11 meshing connection fourth bevel gear 14.

When the device is used, the filter pipe body 1 is arranged on a vacuum rectifying tower through the flange 3, then the waste water pipeline is connected to the filter pipe body 1 through the clamping ring 2, DMF waste water is filtered by the filter pipe body 1 and then is conveyed to the vacuum rectifying tower, and the DMF waste water is treated by the absorption heat pump and the vacuum rectifying tower;

When the filter pipe body 1 needs to be cleaned, the driving motor 41 is started, the driving motor 41 drives the driving shaft 10 to rotate through the second bevel gear 12 and the third bevel gear 13, and the driving shaft 10 drives the rotating shaft 6 to rotate through the third bevel gear 13 and the fourth bevel gear 14, so that the cleaning brush 71 rotates by taking the rotating shaft 6 as a circle center, the filter screen 5 is cleaned, meanwhile, the valve 16 on the blow-off pipe 15 is opened, residues and dirt on the filter screen 5 are cleaned, the operation is convenient, and the cleaning can be completed without disassembling the filter pipe body 1.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (8)

1. A device for treating DMF wastewater by utilizing an absorption heat pump is characterized by comprising a filter pipe body (1), wherein the left end of the filter pipe body (1) is fixedly connected with a clamping ring (2), the right side is fixedly connected with a flange (3), a filter screen (5) is fixedly connected in the filter pipe body (1), the filter screen (5) is three, a rotating shaft (6) is rotatably connected in the middle position, the right end of the filter screen (5) is fixedly connected with a fixing rod (8), the right end of the rotating shaft (6) is rotatably connected with the fixing rod (8), the fixing rod (8) is fixedly connected with a supporting rod (9) which is positioned on the upper side of the rotating shaft (6), a driving shaft (10) is rotatably connected on the supporting rod (9), the lower end of the driving shaft (10) is fixedly connected with a first bevel gear (11), the upper end of the filter pipe body is rotatably connected with a second bevel gear (12), the rotating shaft (6) which is positioned on the left side of the filter screen (5) is fixedly connected with a fixing ring (7), the fixing ring (7) is fixedly connected with a motor (71) which is fixedly connected with a driving motor (41) which is fixedly connected with a driving box (4), a fourth bevel gear (14) is fixedly connected to the rotating shaft (6) below the first bevel gear (11).

2. The device for treating DMF wastewater by utilizing the absorption heat pump according to claim 1 wherein the first bevel gear (11), the second bevel gear (12), the third bevel gear (13) and the fourth bevel gear (14) are the same in model, the first bevel gear (11) and the second bevel gear (12) are opposite in direction, and the second bevel gear (12) is located in the driving box (4).

3. An apparatus for DMF waste water treatment with an absorption heat pump according to claim 2, wherein the third bevel gear (13) is engaged with the second bevel gear (12), and the first bevel gear (11) is engaged with the fourth bevel gear (14).

4. A device for DMF wastewater treatment by utilizing an absorption heat pump according to claim 3, wherein the outside of the clamping ring (2) is provided with an annular clamping groove (21), and the upper side and the lower side in the annular clamping groove (21) are provided with limiting ports (22).

5. The apparatus for DMF waste water treatment with absorption heat pump of claim 4, wherein the flange (3) is provided with a through hole.

6. The device for treating DMF wastewater by utilizing the absorption heat pump according to claim 5 wherein a drain pipe (15) is arranged on the filter pipe body (1) positioned at the lower side of the cleaning brush (71), a valve (16) is arranged on the drain pipe (15), and three drain pipes (15) are respectively positioned at the lower side of the filter screen (5).

7. An apparatus for DMF waste water treatment with an absorption heat pump as claimed in claim 6, wherein the side of the cleaning brush (71) with the brush is in contact with the filter net (5).

8. The device for treating DMF wastewater by utilizing the absorption heat pump according to claim 7 wherein the filter screen (5) is round and is fixedly connected with the inner side wall of the filter tube body (1) at the periphery.