Hydrocarbon cleaning fluid recovery device

Abstract

The utility model discloses a hydrocarbon cleaning fluid recovery device, and belongs to the field of heat treatment equipment. Wherein the primary filter is respectively connected with the cleaning machine and the secondary filter through pipelines, the secondary filter is connected with the regenerator and the cleaning liquid storage tank, the intermediate liquid storage tank is connected with the regenerator and the cleaning liquid storage tank, and the cleaning liquid storage tank is connected with the cleaning machine through a pipeline. Polluted cleaning liquid is filtered twice through the primary filter and the secondary filter, the filtering efficiency is improved, filtered oil dirt is treated through the regenerator, the cleaning liquid enters the middle liquid storage tank after being evaporated and condensed, the cleaning liquid enters the cleaning machine through the cleaning liquid storage tank through a pipeline, and when cleaning is conducted again, the cleaning efficiency is improved. Polluted cleaning liquid can directly enter the cleaning machine through the cleaning liquid storage tank through a pipeline after being filtered twice, a closed-loop system is completed, safety and reliability are achieved, pollution to the environment is small, and meanwhile cost is saved.

Description

Technical Field

[0001] The present application relates to the field of heat treatment equipment, and in particular to a hydrocarbon cleaning fluid recovery device. Background Art

[0002] Hydrocarbon cleaning fluid has gradually become an important type of industrial cleaning agent due to its good environmental protection characteristics and cleaning ability. Contaminated hydrocarbon cleaning fluid is usually scrapped and replaced with new cleaning fluid. Since the cleaning fluid is expensive, directly scrapping it will cause a waste of resources and greatly increase the production cost of the enterprise. At the same time, hydrocarbon cleaning fluid is a product or chemical synthesis product that has undergone advanced refining treatment from the petrochemical industry and is volatile. Contaminated hydrocarbon cleaning fluid will also pollute the environment after being discarded.

[0003] The invention with application number CN202021940268.0 discloses a cleaning liquid recovery device for a hydrocarbon cleaning and drying system, wherein the inlet of the condensation recovery device is connected to the steam outlet of the distillation device, the inlet of the distillation device is connected to the fluorinated liquid outlet of the hydrocarbon ultrasonic cleaning device, the outlet of the condensation recovery device is connected to the fluorinated liquid inlet of the cleaning and drying tank, the outlet of the residual liquid of the distillation device is connected to the hydrocarbon cleaning liquid cooling box, the outlet of the hydrocarbon cleaning liquid cooling box is connected to the hydrocarbon cleaning liquid storage tank and / or the liquid inlet of the hydrocarbon ultrasonic cleaning device, the fluorinated liquid containing hydrocarbon solvent is processed and recovered, the oil stains on the product in the cleaning machine are basically cleaned after one cleaning, and the cleaning liquid contains almost no oil stains, but the hydrocarbon cleaning liquid in the device must be processed through the condensation recovery device each time it is recovered, which reduces efficiency and increases cost. Utility Model Content

[0004] In view of the problems existing in the above hydrocarbon cleaning liquid recovery device, the present application provides a hydrocarbon cleaning liquid recovery device, and its specific scheme is as follows:

[0005] The hydrocarbon cleaning fluid recovery device includes a primary filter, a secondary filter, a regenerator, an intermediate liquid storage tank and a cleaning fluid storage tank, wherein:

[0006] The primary filter is connected to the cleaning machine and the secondary filter through pipelines, the secondary filter is connected to the regenerator and the cleaning liquid storage tank, the intermediate storage tank is connected to the regenerator and the cleaning liquid storage tank, and the cleaning liquid storage tank is connected to the cleaning machine through pipelines.

[0007] The present application filters the contaminated cleaning liquid twice through the primary filter and the secondary filter to improve the filtering efficiency, and processes the filtered oil through the regenerator, so that the cleaning liquid enters the intermediate liquid storage tank after evaporation and condensation, and then enters the cleaning machine through the cleaning liquid storage tank through the pipeline. When cleaning again, the contaminated cleaning liquid can directly enter the cleaning machine through the cleaning liquid storage tank through the pipeline after being filtered twice, thus completing the closed-loop system, which is safe and reliable, has little pollution to the environment, and saves costs.

[0008] In some embodiments, a cleaning liquid storage tank is provided with a movable cover, a liquid level sensor connector, a first inlet, a second inlet, a first outlet and a drain outlet; a cleaning liquid inlet is provided on the top of the cleaning liquid storage tank, and the movable cover is installed above the cleaning liquid storage tank and is adapted to the cleaning liquid inlet; the first inlet is connected to the intermediate liquid storage tank through a pipe, the second inlet is connected to the secondary filter through a pipe, the first outlet is connected to the cleaning machine through a pipe, and the drain outlet is arranged at the bottom of the cleaning liquid storage tank.

[0009] By opening a cleaning liquid inlet on the top of the cleaning liquid storage tank and installing a movable cover plate adapted thereto, and at the same time providing a liquid level sensor connector, it is convenient to detect the capacity of the cleaning liquid in the cleaning liquid storage tank for timely replenishment. At the same time, the first inlet and the second inlet provided can ensure that the cleaning liquid can enter the cleaning liquid storage tank through the secondary filter or through the intermediate storage tank. The drain outlet is provided to discharge the cleaning liquid in the tank.

[0010] In some embodiments, the regenerator includes a regenerator body and a condenser, wherein: the regenerator body is connected to the secondary filter through a pipeline, and the condenser is arranged above the regenerator body; and a heat transfer oil pipe is arranged in the regenerator body.

[0011] The cleaning liquid in the regenerator body is heated through the heat-conducting oil pipe, and the heated and evaporated cleaning liquid is liquefied through the condenser, thereby treating the contaminated cleaning liquid.

[0012] In some embodiments, a vacuum pump is further included, and the vacuum pump is connected to the regenerator body.

[0013] The regenerator is kept in a low-altitude state through a vacuum pump to improve the evaporation efficiency of the cleaning liquid.

[0014] In some embodiments, the intermediate liquid storage tank is provided with a second outlet, a third inlet and a cleaning port, wherein: the second outlet is connected to the first inlet through a pipe, the third inlet is connected to the condenser through a pipe, and the cleaning port is used for connecting an external cleaning source.

[0015] The liquefied cleaning liquid in the regenerator can be recovered and processed through the intermediate liquid storage tank.

[0016] In some embodiments, a waste liquid tank is further included, and a third outlet and a fourth inlet are provided on the waste liquid tank. The fourth inlet is connected to the bottom of the regenerator body through a pipeline, and the third outlet is used for an external sewage pipe.

[0017] The waste liquid tank set up can recycle the waste liquid such as oil remaining after the cleaning liquid in the regenerator evaporates, without polluting the environment.

[0018] In some embodiments, a spray water pump is also included. The spray water pump is installed in the cleaning liquid storage tank and is connected to the cleaning machine through a pipeline via the first outlet.

[0019] Through the spray water pump, the recycled cleaning liquid can be sprayed back into the cleaning machine to clean the product, thus completing the closed-loop system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of this application.

[0021] Figure 2 It is a schematic diagram of the structure of the cleaning liquid storage tank in this application.

[0022] Figure 3 This is a perspective view of the regenerator in this application.

[0023] Figure 4 This is a schematic diagram of the structure of the intermediate liquid storage tank in this application.

[0024] Figure 5 It is a schematic diagram of the structure of the waste liquid tank in this application.

[0025] Reference numerals;

[0026] 1. Primary filter;

[0027] 2. Secondary filter;

[0028] 3. Regenerator; 31. Regenerator body; 32. Condenser; 33. Heat transfer oil pipe;

[0029] 4. Vacuum pump;

[0030] 5. Intermediate liquid storage tank; 51. Third inlet; 52. Second outlet; 53. Cleaning port;

[0031] 6. Waste liquid tank; 61. Fourth inlet; 62. Third outlet;

[0032] 7. Cleaning liquid storage tank; 71. Removable cover; 72. First outlet; 73. First inlet; 74. Drain outlet; 75. Liquid level sensor connector. DETAILED DESCRIPTION

[0033] In the following description, a large number of specific details are provided to provide a more thorough understanding of the present application. However, it is apparent to those skilled in the art that the present application can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present application, some technical features well known in the art are not described.

[0034] like Figure 1 As shown, the hydrocarbon cleaning liquid recovery device includes a primary filter 1, a secondary filter 2, a regenerator 3, a vacuum pump 4, an intermediate liquid storage tank 5, a waste liquid tank 6, a cleaning liquid storage tank 7 and a spray water pump.

[0035] The primary filter 1 is connected to the cleaning machine and the secondary filter 2 through pipelines, the secondary filter 2 is connected to the regenerator 3 and the cleaning liquid storage tank 7 through pipelines, the vacuum pump 4 is connected to the regenerator 3, the regenerator 3 is connected to the intermediate liquid storage tank 5 and the waste liquid tank 6 through pipelines, the cleaning liquid storage tank 7 is connected to the intermediate liquid storage tank 5 through a pipeline, and the spray water pump is installed in the cleaning liquid storage tank 7 and connected to the cleaning machine through a pipeline.

[0036] like Figure 2 As shown, the cleaning liquid storage tank 7 is provided with a movable cover 71, a cleaning liquid inlet, a liquid level sensor connector 75, a first inlet 73, a second inlet, a first outlet 72 and a drain outlet 74; a cleaning liquid inlet is provided on the top of the cleaning liquid storage tank 7, the movable cover 71 is installed above the cleaning liquid storage tank 7 and is adapted to the cleaning liquid inlet, the liquid level sensor connector 75 is used to plug in the liquid level sensor to detect the cleaning liquid capacity in the cleaning liquid storage tank 7, so as to facilitate the replenishment of the cleaning liquid through the cleaning liquid inlet; the drain outlet 74 is arranged at the bottom of the cleaning liquid storage tank 7, so as to facilitate the discharge of the cleaning liquid in the tank when not in use; the first inlet 73 is connected to the intermediate liquid storage tank 5 through a pipeline, the second inlet is connected to the secondary filter 2 through a pipeline, and the first outlet 72 is connected to the cleaning machine through a pipeline, so that the recovered hydrocarbon cleaning liquid can enter the cleaning machine again through the cleaning liquid storage tank 7, so as to realize the reuse of the hydrocarbon cleaning liquid.

[0037] like Figure 3 As shown, the regenerator 3 includes a regenerator body 31 and a condenser 32. The regenerator body 31 is connected to the secondary filter 2 and to the vacuum pump 4 through a pipeline. The condenser 32 is arranged above the regenerator body 31. A heat transfer oil pipe 33 is arranged in the regenerator body 31. The cleaning liquid in the regenerator body 31 is heated by the heat transfer oil pipe 33. The heated and evaporated cleaning liquid is liquefied through the condenser 32, thereby treating the contaminated cleaning liquid.

[0038] like Figure 4As shown, the intermediate liquid storage tank 5 is provided with a second outlet 52, a third inlet 51 and a cleaning port 53. The second outlet 52 is connected to the first inlet 73 through a pipeline, so that the treated contaminated cleaning liquid enters the cleaning liquid storage tank 7; the third inlet 51 is connected to the condenser 32 through a pipeline to recover the condensed cleaning liquid; the cleaning port 53 is used for an external cleaning source.

[0039] like Figure 5 As shown, the waste liquid tank 6 is provided with a third outlet 62 and a fourth inlet 61. The fourth inlet 61 is connected to the bottom of the regenerator body 31 through a pipeline, so that the waste liquid such as oil remaining after the evaporation of the cleaning liquid in the regenerator 3 is recovered and processed without polluting the environment; the third outlet 62 is used for an external sewage pipe to facilitate the cleaning of the waste liquid tank 6.

[0040] The spray water pump is connected to the cleaning machine through a pipeline via the first outlet 72, and the recycled cleaning liquid is sprayed back into the cleaning machine to clean the product, thereby completing a closed-loop system.

[0041] A hydrocarbon cleaning liquid recovery device is added to the hydrocarbon cleaning machine. The specific working process in this application is divided into two stages.

[0042] The first stage: when the hydrocarbon cleaning liquid sprayed into the cleaning machine reaches the designated liquid level of the liquid level gauge next to the cleaning machine, the contaminated hydrocarbon cleaning liquid enters the primary filter 1 through the pipeline to filter the oil in the cleaning liquid; after waiting for a while, it passes through the secondary filter 2 to filter the oil missed by the primary filtration, and then enters the regenerator body 31, is heated by the heat transfer oil pipe 33, evaporates into gas, and is liquefied by the condenser 32, and then enters the intermediate liquid storage tank through the pipeline, and then enters the cleaning liquid storage tank 7 through the pipeline, and then is sprayed into the cleaning machine through the spray water pump to complete the closed-loop system; at the same time, the waste liquid such as oil remaining after the cleaning liquid in the regenerator 3 evaporates flows into the waste liquid tank 6.

[0043] When the first stage is completed, the cleaning machine continues to spray. At this time, the product oil stains in the cleaning machine have been basically cleaned in the first stage, and the hydrocarbon cleaning liquid contains almost no oil stains. When the hydrocarbon cleaning liquid reaches the specified liquid level of the liquid level gauge next to the cleaning machine, the contaminated cleaning liquid enters the cleaning liquid storage tank 7 through the pipeline after being filtered twice.

[0044] Compared with the prior art, this application has the following advantages:

[0045] (1) By connecting the secondary filter 2 and the intermediate liquid storage tank 5 with the cleaning liquid storage tank 7, the hydrocarbon cleaning liquid is recycled and reused, thereby saving costs.

[0046] (2) The entire cleaning process is a closed-loop system, which is safe, reliable and does not pollute the environment.

[0047] (3) The structure is simple and it is an integrated device, which saves space and is easy to hoist.

[0048] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be interpreted as limiting the present invention itself. Various changes can be made to it in form and detail without departing from the spirit and scope of the present invention defined in the appended claims.

Claims

1. A hydrocarbon cleaning fluid recovery device, characterized in that: It includes a primary filter, a secondary filter, a regenerator, an intermediate liquid storage tank and a cleaning liquid storage tank, including: The primary filter is connected to the cleaning machine and the secondary filter through pipelines respectively, the secondary filter is connected to the regenerator and the cleaning liquid storage tank, the intermediate storage tank is connected to the regenerator and the cleaning liquid storage tank, and the cleaning liquid storage tank is connected to the cleaning machine through pipelines.

2. The hydrocarbon cleaning fluid recovery device according to claim 1, characterized in that: The cleaning liquid storage tank is provided with a movable cover, a liquid level sensor joint, a first inlet, a second inlet, a first outlet and a sewage outlet; The cleaning liquid storage tank is provided with a cleaning liquid inlet at the top, and the movable cover is installed above the cleaning liquid storage tank and is adapted to the cleaning liquid inlet; The first inlet is connected to the intermediate liquid storage tank through a pipeline, the second inlet is connected to the secondary filter through a pipeline, the first outlet is connected to the cleaning machine through a pipeline, and the sewage outlet is arranged at the bottom of the cleaning liquid storage tank.

3. The hydrocarbon cleaning fluid recovery device according to claim 2, characterized in that: The regenerator comprises a regenerator body and a condenser, wherein: The regenerator body is connected to the secondary filter through a pipeline, and the condenser is arranged above the regenerator body; A heat-conducting oil pipe is arranged in the regenerator body.

4. The hydrocarbon cleaning fluid recovery device according to claim 3, characterized in that: A vacuum pump is also included, and the vacuum pump is connected to the regenerator body.

5. The hydrocarbon cleaning fluid recovery device according to claim 3, characterized in that: The intermediate liquid storage tank is provided with a second outlet, a third inlet and a cleaning port, wherein: The second outlet is communicated with the first inlet through a pipeline, the third inlet is communicated with the condenser through a pipeline, and the cleaning port is used for connecting to an external cleaning source.

6. The hydrocarbon cleaning fluid recovery device according to claim 1, characterized in that: It also includes a waste liquid tank, which is provided with a third outlet and a fourth inlet. The fourth inlet is connected to the bottom of the regenerator body through a pipeline, and the third outlet is used for connecting to an external sewage pipe.

7. The hydrocarbon cleaning fluid recovery device according to claim 2, characterized in that: It also includes a spray water pump, which is installed in the cleaning liquid storage tank and connected to the cleaning machine through a pipeline via the first outlet.

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