Synthetic leather DMF (Dimethyl Formamide) recovery residue treatment system

Abstract

The utility model discloses a synthetic leather DMF (Dimethyl Formamide) recovery residue treatment system which comprises a sewage treatment box body, the upper surface of the sewage treatment box body is fixedly connected with a sealing box, the side surface of the sealing box is fixedly connected with a water inlet pipe, and the side inner wall of the sealing box is fixedly connected with a gas concentration detector. An exhaust fan is fixedly connected to the upper surface of the sealing box, an exhaust pipe is fixedly connected to the side surface of the exhaust fan, and an exhaust plate is fixedly connected to the end, away from the exhaust fan, of the exhaust pipe. According to the structure, through cooperation of the filter box, the filter screen, the sewage treatment box body, the exhaust fan, the waste gas treatment system, the baffle and the push plate, impurities in sewage can be filtered and collected in a centralized manner, and the situation that the impurities enter the next procedure to block the interior of a machine or a water outlet pipe is avoided; exhaust of waste gas can be effectively reduced, respiratory diseases or poisoning reactions caused by the fact that people inhale the waste gas into the respiratory tract are avoided, and the filter screen can be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of synthetic leather wastewater recovery, in particular to a synthetic leather DMF recovery residue processing system. Background Art

[0002] As the demand for leather doubles, the limited amount of natural leather can no longer meet people's needs. To solve this contradiction, scientists began to study and develop artificial leather and synthetic leather decades ago to make up for the shortage of natural leather.

[0003] Dimethylformamide is a toxic substance that can invade the body through the respiratory tract, skin and digestive tract, causing poisoning reactions. If it enters the environment without treatment, it will cause serious harm. At present, my country discharges about 100 million tons of wastewater containing DMF each year. There is a broad market prospect for extracting DMF from synthetic leather production process wastewater. When treating synthetic leather wastewater containing DMF residue, it is necessary to filter the internal residue to prevent the residue from entering the next process and causing mechanical blockage. Utility Model Content

[0004] According to the synthetic leather DMF recovery residue treatment system, the purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and to provide a synthetic leather DMF recovery residue treatment system. Through the cooperation of a filter box, a filter net, a sewage treatment box body, an exhaust fan, an exhaust gas treatment system, a baffle and a push plate, impurities in sewage can be filtered and collected centrally to prevent impurities from entering the next process and causing blockage inside the machinery or the outlet pipe. When cleaning the filtered impurities, the discharge of exhaust gas can be effectively reduced to prevent people from inhaling it into the respiratory tract and causing respiratory diseases or poisoning reactions, and the filter net can be replaced.

[0005] To achieve the above-mentioned purpose, the utility model also provides a sewage treatment box body as described above, which is convenient for treating sewage. The upper surface of the sewage treatment box body is fixedly connected with a sealed box, which can block the exhaust gas to prevent the exhaust gas from diffusing in the air and affecting the safety of the human body. The side surface of the sealed box is fixedly connected with a water inlet pipe, and the side inner wall of the sealed box is fixedly connected with a gas concentration detector, which can monitor the exhaust gas concentration inside the sealed box in real time. The upper surface of the sealed box is fixedly connected with an exhaust fan, and the side surface of the exhaust fan is fixedly connected with an exhaust pipe. The end of the exhaust pipe away from the exhaust fan is fixedly connected with an exhaust plate, and the exhaust fan can extract the exhaust gas;

[0006] A display is fixedly connected to the side surface of the sealed box, through which the concentration of exhaust gas and the amount of sewage can be viewed, an observation window is fixedly connected to the side surface of the sealed box, through which the amount of impurities in the filter box can be viewed, a filter box is movably connected to the side surface of the sealed box, and the filter box blocks and concentrates the impurities in the sewage under the action of the filter screen, a filter screen is fixedly connected to the side inner wall of the filter box, a support plate is fixedly connected to the side inner wall of the sewage treatment box body, a baffle is fixedly connected to the side inner wall of the sewage treatment box body, a telescopic rod is fixedly connected to the side inner wall of the sewage treatment box body, a push plate is fixedly connected to one end of the telescopic rod away from the sewage treatment box body, the push plate can move under the action of the telescopic rod, and cooperate with the baffle to close the sewage treatment box body to prevent waste from surging upward, so as to facilitate the removal of the filter box for cleaning, a water outlet pipe is fixedly connected to the side surface of the sewage treatment box body, and a liquid level meter is fixedly connected to the side inner wall of the sewage treatment box body.

[0007] According to the synthetic leather DMF recovery residue treatment system, a valve body is provided inside the water inlet pipe, and a solenoid valve is provided inside the water outlet pipe.

[0008] According to the synthetic leather DMF recovery residue treatment system, the gas concentration detector is electrically connected to an external power source, and the gas concentration detector is electrically connected to a display.

[0009] According to the synthetic leather DMF recovery residue treatment system, the exhaust fan is electrically connected to an external power source, and the upper surface of the exhaust plate is fixedly connected to the sealing box.

[0010] According to the synthetic leather DMF recovery residue treatment system, the display is electrically connected to an external power source, and the display is electrically connected to a liquid level meter.

[0011] According to the synthetic leather DMF recovery residue treatment system, the lower surface of the filter box is movably connected to the sewage treatment box body, and the lower surface of the filter box is movably connected to the support plate.

[0012] According to the synthetic leather DMF recovery residue treatment system, the lower surface of the push plate is movably connected to the baffle plate, and the upper surface of the push plate is movably connected to the support plate.

[0013] According to the synthetic leather DMF recovery residue treatment system, the liquid level meter is electrically connected to an external power supply, and the output end of the exhaust fan is fixedly connected to a waste gas treatment system to facilitate the treatment of the extracted waste gas and avoid direct discharge into the air to cause pollution.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of the synthetic leather DMF recovery residue processing system of the utility model;

[0017] Figure 2 It is a side view of the synthetic leather DMF recovery residue processing system of the utility model;

[0018] Figure 3 It is a partial structural exploded diagram of the synthetic leather DMF recovery residue treatment system of the utility model;

[0019] Figure 4 It is a partial structural schematic diagram of the synthetic leather DMF recovery residue treatment system of the utility model.

[0020] Legend:

[0021] 1. Sewage treatment tank body; 2. Sealed box; 3. Water inlet pipe; 4. Gas concentration detector; 5. Exhaust fan; 6. Exhaust pipe; 7. Exhaust plate; 8. Display; 9. Observation window; 10. Filter box; 11. Filter screen; 12. Support plate; 13. Baffle; 14. Telescopic rod; 15. Push plate; 16. Water outlet pipe. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment of the synthetic leather DMF recovery residue treatment system includes a sewage treatment box body 1, which is convenient for treating sewage. The upper surface of the sewage treatment box body 1 is fixedly connected with a sealed box 2, and the sealed box 2 can block the exhaust gas to prevent the exhaust gas from diffusing in the air and affecting the safety of the human body. The side surface of the sealed box 2 is fixedly connected with a water inlet pipe 3, and the side inner wall of the sealed box 2 is fixedly connected with a gas concentration detector 4. The gas concentration detector 4 can monitor the exhaust gas concentration inside the sealed box 2 in real time. The upper surface of the sealed box 2 is fixedly connected with an exhaust fan 5, and the side surface of the exhaust fan 5 is fixedly connected with an exhaust pipe 6. The end of the exhaust pipe 6 away from the exhaust fan 5 is fixedly connected with an exhaust plate 7. The exhaust fan 5 can extract the exhaust gas, and the exhaust fan 5 is electrically connected to an external power supply. The upper surface of the exhaust plate 7 is fixedly connected to the sealed box 2.

[0024] A display 8 is fixedly connected to the side surface of the sealed box 2, and the display 8 is electrically connected to the external power supply, and the display 8 is electrically connected to the liquid level meter. The gas concentration detector 4 is electrically connected to the external power supply, and the gas concentration detector 4 is electrically connected to the display 8. The concentration of the exhaust gas and the amount of sewage can be viewed through the display 8. An observation window 9 is fixedly connected to the side surface of the sealed box 2, and the amount of impurities in the filter box 10 can be viewed through the observation window 9. The side surface of the sealed box 2 is movably connected to the filter box 10, and the lower surface of the filter box 10 is movably connected to the sewage treatment box body 1, and the lower surface of the filter box 10 is movably connected to the support plate 12. Under the action of the filter net 11, the filter box 10 blocks and concentrates the impurities in the sewage. The filter net 11 is fixedly connected to the side inner wall of the filter box 10, and the support plate 12 is fixedly connected to the side inner wall of the sewage treatment box body 1. A baffle 13 is fixedly connected to the inner wall, a telescopic rod 14 is fixedly connected to the side inner wall of the sewage treatment box body 1, and a push plate 15 is fixedly connected to one end of the telescopic rod 14 away from the sewage treatment box body 1. The lower surface of the push plate 15 is movably connected to the baffle 13, and the upper surface of the push plate 15 is movably connected to the support plate 12. The push plate 15 can move under the action of the telescopic rod 14, and cooperates with the baffle 13 to close the sewage treatment box body 1 to prevent waste from surging upward, so as to facilitate the removal of the filter box 10 for cleaning. An outlet pipe 16 is fixedly connected to the side surface of the sewage treatment box body 1, a valve body is provided inside the water inlet pipe 3, and an electromagnetic valve is provided inside the water outlet pipe 16. A liquid level gauge is fixedly connected to the side inner wall of the sewage treatment box body 1, and the liquid level gauge is electrically connected to an external power supply. The output end of the exhaust fan 5 is fixedly connected to an exhaust gas treatment system, which is convenient for treating the extracted exhaust gas and avoiding direct discharge into the air to cause pollution.

[0025] Working principle: sewage is discharged into the sewage treatment tank body 1 through the water inlet pipe 3, the sewage first passes through the filter box 10, impurities in the sewage are blocked by the filter screen 11, the sewage flows into the sewage treatment tank body 1 to be treated, and the exhaust gas is retained inside the sealed box 2. When the power is turned on, the concentration of the internal exhaust gas and the amount of wastewater can be viewed through the display 8, and the exhaust gas is extracted by the exhaust fan 5 and discharged into the exhaust gas treatment system for treatment. When the impurities on the filter screen 11 increase through the observation window 9, the valve body in the water inlet pipe 3 is closed to stop the sewage from entering, the telescopic rod 14 is started to push the push plate 15 out to close the sewage treatment tank body 1 to prevent the exhaust gas from rising, and after the exhaust gas is extracted by the exhaust fan 5 to a concentration within a safe range, the filter box 10 is extracted to clean the impurities.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. Synthetic leather DMF recovery residue treatment system, characterized in that: include: A sewage treatment box body (1), wherein a sealing box (2) is fixedly connected to the upper surface of the sewage treatment box body (1), a water inlet pipe (3) is fixedly connected to the side surface of the sealing box (2), a gas concentration detector (4) is fixedly connected to the side inner wall of the sealing box (2), an exhaust fan (5) is fixedly connected to the upper surface of the sealing box (2), an exhaust pipe (6) is fixedly connected to the side surface of the exhaust fan (5), and an exhaust plate (7) is fixedly connected to the end of the exhaust pipe (6) away from the exhaust fan (5); The side surface of the sealed box (2) is fixedly connected with a display (8), the side surface of the sealed box (2) is fixedly connected with an observation window (9), the side surface of the sealed box (2) is movably connected with a filter box (10), the side inner wall of the filter box (10) is fixedly connected with a filter screen (11), the side inner wall of the sewage treatment box body (1) is fixedly connected with a support plate (12), the side inner wall of the sewage treatment box body (1) is fixedly connected with a baffle (13), the side inner wall of the sewage treatment box body (1) is fixedly connected with a telescopic rod (14), one end of the telescopic rod (14) away from the sewage treatment box body (1) is fixedly connected with a push plate (15), the side surface of the sewage treatment box body (1) is fixedly connected with a water outlet pipe (16), and the side inner wall of the sewage treatment box body (1) is fixedly connected with a liquid level meter.

2. The synthetic leather DMF recovery residue processing system according to claim 1, characterized in that: A valve body is arranged inside the water inlet pipe (3), and a solenoid valve is arranged inside the water outlet pipe (16).

3. The synthetic leather DMF recovery residue processing system according to claim 1, characterized in that: The gas concentration detector (4) is electrically connected to an external power source, and the gas concentration detector (4) is electrically connected to a display (8).

4. The synthetic leather DMF recovery residue processing system according to claim 1, characterized in that: The exhaust fan (5) is electrically connected to an external power source, and the upper surface of the exhaust plate (7) is fixedly connected to the sealing box (2).

5. The synthetic leather DMF recovery residue processing system according to claim 1, characterized in that: The display (8) is electrically connected to an external power source, and the display (8) is electrically connected to a liquid level meter.

6. The synthetic leather DMF recovery residue processing system according to claim 1, characterized in that: The lower surface of the filter box (10) is movably connected to the sewage treatment box body (1), and the lower surface of the filter box (10) is movably connected to the support plate (12).

7. The synthetic leather DMF recovery residue processing system according to claim 1, characterized in that: The lower surface of the push plate (15) is movably connected to the baffle plate (13), and the upper surface of the push plate (15) is movably connected to the support plate (12).

8. The synthetic leather DMF recovery residue processing system according to claim 1, characterized in that: The liquid level meter is electrically connected to an external power source, and the output end of the exhaust fan (5) is fixedly connected to an exhaust gas treatment system.

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