Waste solvent recycling sedimentation equipment

Abstract

The utility model discloses waste solvent recycling and settling equipment which comprises a base bracket and a box body fixedly mounted at the upper end of the base bracket, a material guide pipe is fixedly mounted on the left side of the box body, a first filter is fixedly mounted on the right side of the box body, an air assembly is arranged on the outer side of the front end of the box body, a precipitation treatment pipe is arranged at the front end of the box body, and a first transfer pump and a second transfer pump are arranged at the upper end of the precipitation treatment pipe. The waste solvent is recycled by sedimentation equipment, and if the waste solvent is not treated and is directly discharged, the environment is seriously polluted. According to the waste solvent settling and recycling system, through the treatment processes of settling, filtering, purifying and the like, the consumption of the solvent can be reduced, the pollution to the environment is reduced, the waste solvent can be subjected to settling treatment in sequence by arranging the three settling boxes in the box body, rapid settling treatment of impurities in the waste solvent can be achieved, and the service life of the waste solvent is prolonged. And the effect of impurity precipitation in the box body is ensured, so that the recovery effect of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste solvent recycling technical field, concretely is waste solvent recycling sedimentation equipment. BACKGROUND

[0002] In industrial production, special equipment needs to be cleaned by organic solvents, and after cleaning, the organic solvents become waste solvents containing impurities, and direct discharge of the waste solvents will pollute the environment, so the waste solvents are recycled, but the existing recycling equipment still has some use defects in use, the existing recycling equipment can recycle waste solvents by secondary distillation, and the dissolved quality of the recycled solvents is seriously affected, so they cannot be used directly again, but can only be used by mixing with new solvents as auxiliary materials, and the residual value of the waste solvents cannot be fully utilized.

[0003] The patent with the patent authorization announcement number CN119118242A discloses a waste solvent secondary environmental protection recycling process and equipment, which reduces the demand for new materials and reduces the potential impact of waste solvents on the environment, realizes the recycling of resources, and the waste solvent secondary environmental protection recycling process not only improves the recycling rate of waste solvents, but also ensures the performance of the recycled solvents by accurately controlling the proportion of paint resin, which meets the dual needs of environmental protection and economic benefits.

[0004] In the above-mentioned patent, the equipment in the patent solves the problems mentioned above, but the equipment still has the following problems, in the process of using the equipment, the waste solvents need to be filtered through the coarse filter device and the fine filter device, and in the filtering process, impurities will adhere to the filter holes inside the filter device, which will affect the filtering efficiency of the filter device, and the filter device needs to be disassembled and cleaned regularly, which will delay the use of the equipment, and at the same time, it will affect the filtering speed of the equipment for waste solvents, which will lead to low recycling efficiency of the equipment for waste solvents.

[0005] In view of the above problems, it is urgent to make innovative design on the basis of the original equipment structure. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing waste solvent recycling sedimentation equipment to solve the problems mentioned in the background art that in the process of using the equipment, the waste solvents need to be filtered through the coarse filter device and the fine filter device, and in the filtering process, impurities will adhere to the filter holes inside the filter device, which will affect the filtering efficiency of the filter device, and the filter device needs to be disassembled and cleaned regularly, which will delay the use of the equipment, and at the same time, it will affect the filtering speed of the equipment for waste solvents, which will lead to low recycling efficiency of the equipment for waste solvents.

[0007] To achieve the above object, the utility model provides the following technical scheme: waste solvent recycling sedimentation equipment, including base support and the fixed installation of box body on base support upper end,

[0008] The left side of the box body is fixedly installed with a material guide pipe, the right side of the box body is fixedly installed with a filter one, an air assembly is arranged on the front end of the box body, a sedimentation treatment pipe is arranged on the front end of the box body, a transfer pump one and a transfer pump two are arranged on the upper end of the sedimentation treatment pipe, a new solvent inlet pipe and a waste solvent inlet pipe are arranged on the upper end of the box body, the lower end of the waste solvent inlet pipe is connected with the transfer pump one and the transfer pump two respectively, and a control box is arranged on the upper end of the box body.

[0009] Preferably, the air assembly is internally provided with a two-piece ball valve, an air filter pressure regulator, a single-piece ball valve and an air pipe, the air pipe is installed on the front end of the box body, and the air assembly is located on the upper end of the transfer pump one and the transfer pump two.

[0010] Preferably, the air filter pressure regulator is installed at the middle position of the air assembly, and the two-piece ball valve and the single-piece ball valve are installed at the front end and the terminal end of the air pipe respectively.

[0011] Preferably, three groups of liquid level meters are arranged on the lower end of the box body, three groups of stop valves are arranged in the sedimentation treatment pipe, and the three groups of stop valves are correspondingly arranged with the three groups of liquid level meters, and three groups of sedimentation tanks are arranged in the box body.

[0012] Preferably, a tuning fork switch is arranged on the upper end of the box body, a filter two is arranged on the outer side of the box body, the filter two is communicated with the lower end of the waste solvent inlet pipe, and the waste solvent inlet pipe and the new solvent inlet pipe are located on the right upper end of the box body.

[0013] Preferably, a cleaning solvent pump is arranged on the front end of the box body, and the cleaning solvent pump is communicated between the filter one and the sedimentation treatment pipe.

[0014] Preferably, three-piece quick-mount ball valves are arranged on the outer side of the filter one, and the three-piece quick-mount ball valves are located at the rear end of the filter one.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. By arranging three groups of sedimentation tanks in the box body, waste solvent can be sequentially subjected to sedimentation treatment, the rapid sedimentation treatment of impurities in the waste solvent can be realized, the effect of impurity sedimentation in the box body is guaranteed, and the recycling effect of the equipment is improved.

[0017] 2. If the waste solvent is directly discharged without treatment, the environment will be seriously polluted. The waste solvent sedimentation recycling system can reduce the consumption of the solvent and the pollution to the environment through the processes of sedimentation, filtration and purification.

[0018] 3. The settling tank needs to consider multiple factors, including processing capacity, medium characteristics, sedimentation effect, etc. In terms of material selection, stainless steel 304L material suitable for water-based paint is selected to prevent rusting of the material during long-term use and affect the cleanliness of the recovered solvent;

[0019] 4. Further, through the waste solvent settling and recycling system, enterprises can convert waste solvents that would otherwise be discarded into reusable resources, thereby reducing production costs and improving economic efficiency. At the same time, this also helps to improve the environmental image of the enterprise and attract more environmental investors and customers;

[0020] 5. Further, the development of the waste solvent settling and recycling system can have a positive demonstration effect in the industry. Through feasibility and economic benefits, it can encourage more enterprises to adopt similar environmental protection measures and promote the entire industry to develop in a more green and sustainable direction. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a front view structural schematic diagram of the utility model;

[0022] Figure 2 is a left view structural schematic diagram of the utility model;

[0023] Figure 3 is a rear view structural schematic diagram of the utility model;

[0024] Figure 4 is a front view structural schematic diagram of the air assembly of the utility model;

[0025] Figure 5 is a top view structural schematic diagram of the utility model;

[0026] Figure 6 is a schematic diagram of the working principle of the equipment of the utility model.

[0027] In the figure: 1, base support; 2, tank; 3, material guide pipe; 4, filter one; 5, air assembly; 6, transfer pump one; 7, transfer pump two; 8, liquid level meter; 9, stop valve; 10, control box; 11, tuning fork switch; 12, filter two; 13, new solvent inlet pipe; 14, waste solvent inlet pipe; 15, cleaning solvent pump; 16, two-piece ball valve; 17, air filter pressure regulator; 18, single-piece ball valve; 19, air pipe; 20, sedimentation treatment pipe; 21, three-piece quick-mounting ball valve. DETAILED DESCRIPTION

[0028] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0029] In specific embodiments, as shown in Figures 1-3 and Figure 6 , the basic precipitation process of the device on the solution is disclosed;

[0030] The base support 1 and the box body 2 fixedly installed at the upper end of the base support 1; the left side of the box body 2 is fixedly installed with a material guide pipe 3, the right side of the box body 2 is fixedly installed with a filter one 4, the front end outside of the box body 2 is provided with an air assembly 5, the front end of the box body 2 is provided with a precipitation treatment pipe 20, the upper end of the precipitation treatment pipe 20 is provided with a transfer pump one 6 and a transfer pump two 7, the upper end of the box body 2 is provided with a new solvent inlet pipe 13 and a waste solvent inlet pipe 14, the lower end of the waste solvent inlet pipe 14 is connected with the transfer pump one 6 and the transfer pump two 7 respectively, and the upper end of the box body 2 is provided with a control box 10.

[0031] The device is associated with two working areas, the manual wiping area is on the second floor, in this area, a fresh solvent outlet, a basic precipitation station and a pouring device need to be set, the used solvent is poured into the pouring device after preliminary precipitation, enters the settling tank placed on the first floor through the recovery pipeline, a filter one 4 is arranged before entering the settling tank to filter and remove relatively coarse impurities, the waste solvent is precipitated in the settling tank for a long time, the clean solvent in the upper layer is pumped back to the use station on the second floor for reuse, the residue at the bottom of the barrel is pumped out to the waste barrel for centralized treatment, in order to make the settling tank work in a reasonable working range, a liquid level meter is arranged on the tank, and the start and stop of the diaphragm pump can be automatically realized through control;

[0032] The three-stage sedimentation is used to meet the cleanliness requirement, and three groups of sedimentation tanks are arranged in the box 2, and the volumes of the three groups of sedimentation tanks from the first stage sedimentation tank to the third stage sedimentation tank are 100L, 80L and 100L respectively, and the solution is sequentially treated by the first stage sedimentation tank, the second stage sedimentation tank and the third stage sedimentation tank, the lower end of each stage sedimentation tank is provided with a sediment outlet, and the solution can flow between the two groups of sedimentation tanks, the solution enters the first stage sedimentation tank, the flow rate needs to be ensured to be slow, so that the smaller particles start to settle, in the second stage and the third stage sedimentation tank, the flow rate is further slowed down, so as to promote the sedimentation of the suspended matter in the solution, the top cover is designed with a large opening, which is convenient for daily maintenance, a filter hole plate is considered to be used between each stage, which can intercept some impurities during the overflow to the next stage, and the overflow solution flows into the next stage sedimentation tank through the designed narrow gap close to the partition, and the solution slowly flows into the next stage sedimentation tank, so as to avoid the influence of the overflow liquid disturbance on the sedimentation to the maximum extent.

[0033] In one embodiment, as shown in Figures 1-6 , the specific sedimentation process of the device for the solution is disclosed;

[0034] The air assembly 5 is internally provided with two-piece ball valve 16, air filter pressure regulator 17, single-piece ball valve 18 and air pipe 19, and the air pipe 19 is installed on the outer side of the front end of the box 2, and the air assembly 5 is located at the upper end of the transfer pump one 6 and the transfer pump two 7; the air filter pressure regulator 17 is installed at the middle position of the air assembly 5, and the two-piece ball valve 16 and the single-piece ball valve 18 are respectively installed at the front end and the end of the air pipe 19; three groups of liquid level meters 8 are arranged on the outer side of the lower end of the box 2, three groups of stop valves 9 are arranged in the internal of the sedimentation treatment pipe 20, and the three groups of stop valves 9 are correspondingly arranged with the three groups of liquid level meters 8, and three groups of sedimentation tanks are arranged in the internal of the box 2.

[0035] When the waste solvent recycling sedimentation device is used, the bottom of the sedimentation tank is designed to have a sinking structure in 1 / 3 of the sedimentation area, and a slope transition is arranged between the sedimentation area and the transition area, so as to ensure that the sediment in the transition area can slide into the sinking structure through the slope; the feed inlet of the sedimentation tank is arranged at the top position of the box 2, and a filter is arranged at the feed inlet; a liquid level meter is arranged at each of the first stage, the second stage and the third stage box 2; in order to prevent the liquid level meter 8 from failing, a tuning fork switch 11 is arranged at the top of the box 2 as a high liquid level protection; a discharge pipeline connected with a pumping pump is arranged at the bottom of the conical hopper, so as to transfer the mixture at the bottom of the box to a recovery tank for unified treatment; when designing, the particle size of the solid-liquid mixture needs to be fully considered to prevent the sedimentation treatment pipe 20 from being blocked due to the small diameter.

[0036] On the basis of the above embodiment, as Figures 1-6 Figures 1-6As shown, the cooperation process between the internal pump assembly of the device and the box 2 is disclosed;

[0037] The upper end of the box 2 is provided with a tuning fork switch 11, and the outer side of the box 2 is provided with a filter two 12, and the filter two 12 is communicated with the lower end of the waste solvent inlet pipe 14, and the waste solvent inlet pipe 14 and the new solvent inlet pipe 13 are located on the right upper end of the box 2; The front end of the box 2 is provided with a cleaning solvent pump 15, and the cleaning solvent pump 15 is communicated between the filter one 4 and the sediment treatment pipe 20; The outer side of the filter one 4 is provided with a three-piece quick-mounting ball valve 21, and the three-piece quick-mounting ball valve 21 is located at the rear end of the filter one 4.

[0038] When the waste solvent recycling sedimentation device is used, the pump valve group realizes the medium transfer of the sedimentation tank, so the valve group and the sedimentation tank are designed as a module based on the structure of the sedimentation tank, which has the characteristics of high integration, small occupation, and beautiful appearance. A fresh solvent feeding port is arranged on the three-stage sedimentation tank, a flowmeter and an automatic control valve are arranged on the feeding port, a sampling port is arranged at 80% of the liquid level of the three-stage sedimentation tank, and the waste solvent is pumped to the use position through a filter bag and a diaphragm pump, a diaphragm pump is arranged between the first-stage and second-stage sedimentation tanks, the waste solvent can be transferred from the first stage to the second-stage sedimentation tank, and the bottom of the bottom cone of the first-stage, second-stage and third-stage is provided with a discharge pipeline connected with a pump, so that the waste solvent after sedimentation can be discharged for treatment, and the practicability of the whole is increased.

[0039] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. Waste solvent recycling sedimentation equipment, comprising a base support (1) and a box (2) fixedly installed on the upper end of the base support (1); characterized in that The left side of the box (2) is fixedly installed with a material guide pipe (3), the right side of the box (2) is fixedly installed with a filter one (4), the front end of the box (2) is provided with an air assembly (5) on the outside, the front end of the box (2) is provided with a sedimentation treatment pipe (20), the upper end of the sedimentation treatment pipe (20) is provided with a transfer pump one (6) and a transfer pump two (7), the upper end of the box (2) is provided with a new solvent inlet pipe (13) and a waste solvent inlet pipe (14), the lower end of the waste solvent inlet pipe (14) is connected with the transfer pump one (6) and the transfer pump two (7) respectively, and the upper end of the box (2) is provided with a control box (10).

2. The spent solvent reutilization settling apparatus according to claim 1, characterized by: The inside of the air assembly (5) is provided with a two-piece ball valve (16), an air filter pressure regulator (17), a single-piece ball valve (18) and an air pipe (19), the air pipe (19) is installed on the front end of the box (2), and the air assembly (5) is located at the upper end of the transfer pump one (6) and the transfer pump two (7).

3. The spent solvent reutilization settling apparatus according to claim 2, characterized by: The air filter pressure regulator (17) is installed at the middle position of the air assembly (5), the two-piece ball valve (16) and the single-piece ball valve (18) are installed at the front end and the end of the air pipe (19) respectively.

4. The spent solvent reutilization settling apparatus according to claim 1, characterized by: The outside of the lower end of the box (2) is provided with three groups of liquid level meters (8), the inside of the sedimentation treatment pipe (20) is provided with three groups of stop valves (9), and the three groups of stop valves (9) are correspondingly provided with the three groups of liquid level meters (8), the inside of the box (2) is provided with three groups of sedimentation tanks.

5. The spent solvent reutilization settling apparatus according to claim 1, characterized by: The upper end of the box (2) is provided with a tuning fork switch (11), the outside of the box (2) is provided with a filter two (12), the filter two (12) is in communication with the lower end of the waste solvent inlet pipe (14), and the waste solvent inlet pipe (14) and the new solvent inlet pipe (13) are located at the right upper end of the box (2).

6. The spent solvent reclamation settling apparatus of claim 1, wherein: The front end of the box (2) is provided with a cleaning solvent pump (15), and the cleaning solvent pump (15) is in communication between the filter one (4) and the sedimentation treatment pipe (20).

7. The spent solvent reclamation settling apparatus of claim 1, wherein: The outside of the filter one (4) is provided with a three-piece quick-mounting ball valve (21), and the three-piece quick-mounting ball valve (21) is located at the rear end of the filter one (4).

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