CN206597742U - A hydrocarbon cleaning device - Google Patents

Abstract

The utility model provides a hydrocarbon cleaning equipment, including cleaning system, a cooling system, distillation system and drying system, cleaning system includes the washing tank, a cooling system includes first condenser and encircles the first condenser coil pipe on condenser surface, distillation system includes the retort, the retort is equipped with export and entry, drying system includes the drying chamber, establish the spray thrower at the drying chamber top and establish the collection mouth in the drying chamber bottom, one end and the washing tank of first condenser are connected, the other end and the entry of first condenser are connected, the export is connected with the spray thrower, make the dirty liquid of hydrocarbon cleaner heat the steam of distillation output and spray to the drying chamber in through the spray thrower and be used for dry work piece, the collection mouth is arranged in collecting the liquid that steam formed through the condensation in the drying process and carrying to first condenser coil pipe, the dirty liquid of hydrocarbon cleaner in the first condenser is arranged in cooling the liquid in the first condenser coil pipe, obtaining the new liquid of the hydrocarbon cleaning agent. The device makes full use of the recovered heat.

Description

A hydrocarbon cleaning device

technical field

The utility model relates to the field of industrial cleaning, in particular to a hydrocarbon cleaning device.

Background technique

In the industrial cleaning industry, many processes will be applied to hydrocarbon cleaning technology, and hydrocarbon cleaning equipment and cleaning processes are also widely known. Disclosed a kind of hydrocarbon cleaning machine with explosion-proof function as Chinese patent CN104056810A, comprising a cleaning tank, in the cleaning tank, an ultrasonic shock plate is arranged, and the hydrocarbon gas volatilized in the ultrasonic cleaning tank is taken out with an air extraction pipeline, and the Eliminates the hydrocarbon vapors generated during the cleaning process, reducing the risk of explosion. Chinese patent CN205351959U discloses a drying equipment for hydrocarbon cleaning agents, including a drying box and an explosion-proof fan for blasting into the drying box. A check valve is provided between the drying box and the explosion-proof machine, which improves the safety of the drying process . Chinese patent CN202356344U discloses a steam bath washing system for hydrocarbon cleaning equipment, including a cleaning chamber and a steam generator, which adopts the method of heating high-temperature liquid under high vacuum to generate high-temperature steam, with large steam volume and high steam pressure, and easy cleaning The effect is better, which can reduce energy consumption and reduce safety hazards. Chinese patent CN202460162U discloses a distillation recovery system for hydrocarbon cleaning equipment, including a heating device, a distillation tank and a condensation recovery device. The distillation recovery system uses a vacuum pump to maintain a high vacuum in the distillation tank, which can improve distillation efficiency.

The general practice of traditional industrial cleaning is to fill the hydrocarbon solution in the cleaning tank, so that the workpiece and material belt can be cleaned when they pass through the cleaning tank, and a hot air drying tank is installed at the back of the cleaning tank to make the workpiece or material When the belt passes through the hot air drying tank, it is washed and dried by the hot air to prevent the cleaning liquid from being taken out, and it is also convenient to immediately put it into the next stage of processing and use. However, in the current hydrocarbon cleaning technology, the energy consumption is relatively high, and most of the heat is not easy to be recycled. Therefore, it is necessary to provide a novel hydrocarbon cleaning equipment to improve the heat utilization rate of the hydrocarbon cleaning agent cleaning process.

Utility model content

In order to solve the above problems, the utility model provides a hydrocarbon cleaning device, which can perform energy-saving recovery of the hydrocarbon cleaning agent and improve the utilization efficiency of heat.

The utility model provides a hydrocarbon cleaning device, comprising a cleaning system, a first cooling system, a distillation system and a drying system, the cleaning system includes a cleaning tank, the first cooling system includes a first condenser and The first condensing coil on the surface of the first condenser, the distillation system includes a distillation tank, the distillation tank is provided with an outlet and an inlet, and the drying system includes a drying tank, a sprayer arranged on the top of the drying tank and a device At the collection port at the bottom of the drying tank, one end of the first condenser is connected to the cleaning tank for continuously transporting the hydrocarbon cleaning agent dirty liquid in the cleaning tank to the first condenser, the The other end of the first condenser is connected to the inlet for transporting the hydrocarbon cleaning agent dirty liquid in the first condenser to the distillation tank for heating and distillation, and the outlet is connected to the sprayer , the steam produced by heating and distilling the dirty liquid of hydrocarbon cleaning agent is sprayed into the drying tank through the sprayer to dry the workpiece, and the collecting port is used to collect the steam to be formed by condensation during the drying process and transported to the first condensing coil, the hydrocarbon cleaning agent dirty liquid in the first condenser is used to cool the liquid in the first condensing coil to obtain a new hydrocarbon cleaning agent liquid.

Preferably, the hydrocarbon cleaning equipment further includes a second cooling system, and the second cooling system is used for further cooling the new hydrocarbon cleaning agent liquid output from the first condensing coil.

Preferably, the second cooling system includes a second condenser and a second condensing coil surrounding the surface of the second condenser, and the new hydrocarbon cleaning agent liquid output from the first condensing coil enters the second condenser. In the second condenser, cooling water is passed through the second condensing coil for further cooling the new hydrocarbon cleaning agent liquid in the second condenser.

Preferably, the hydrocarbon cleaning equipment is further provided with a new liquid tank for storing the new liquid of the hydrocarbon cleaning agent, and the new liquid tank is connected with the cleaning tank through an automatic valve.

Preferably, a liquid level control system is provided in the cleaning tank, and when the liquid level in the cleaning tank is lower than the target liquid level, the new liquid of the hydrocarbon cleaning agent in the new liquid tank enters into the The cleaning tank is used for cleaning workpieces.

Preferably, the distillation system further includes a heating device for heating and distilling the hydrocarbon cleaning agent dirty liquid in the distillation tank.

Preferably, the heating device includes a heating coil and a heat-conducting oil pipe, the heating coil is arranged inside the distillation pot, the heat-conducting oil pipe is arranged below the distillation pot, the heating coil and the heat-conducting oil pipe There is heat transfer oil in the center.

Preferably, both the heating coil and the heat-conducting oil pipe are connected to a heat-conducting oil tank, and the heat-conducting oil tank sends heat-conducting oil to the heating coil and the heat-conducting oil pipe respectively through a heat-conducting oil pump.

Preferably, the hydrocarbon cleaning equipment further includes a waste liquid tank, and the waste liquid generated in the distillation tank is discharged into the waste liquid tank.

The energy-saving and recyclable hydrocarbon cleaning equipment provided by the utility model can not only enable the effective recovery of the hydrocarbon cleaning agent, but also make full use of the recovered heat to maintain the cleaning and recovery temperature; it not only saves the heat required for heating in the distillation tank, It also saves the consumption of cooling water.

In summary, the beneficial effects of the utility model include the following aspects:

1. The energy-saving and recyclable hydrocarbon cleaning equipment provided by the utility model can not only enable the effective recovery of hydrocarbon cleaning agents, but also make full use of the recovered heat to maintain the cleaning and recovery temperature; it saves the energy required for heating in the distillation tank heat, and save the amount of cooling water.

Description of drawings

Fig. 1 is a schematic structural diagram of a hydrocarbon cleaning device provided by an embodiment of the present invention.

detailed description

The following description is a preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principle of the present utility model. These improvements and modifications It is also regarded as the protection scope of the present utility model.

Fig. 1 is a schematic structural view of a hydrocarbon cleaning device provided by an embodiment of the present invention. As shown in Fig. 1, the utility model provides a hydrocarbon cleaning device, including a cleaning system 1, a first cooling system 2, Distillation system 3 and drying system 4, cleaning system 1 includes cleaning tank 11, first cooling system 2 includes first condenser 21 and first condensation coil 22 surrounding the surface of the first condenser, distillation system 3 includes distillation tank 31 , the distillation pot is provided with an inlet 311 and an outlet 312, and the drying system 4 includes a drying tank 41, a shower 42 arranged at the top of the drying tank and a collection port 43 located at the bottom of the drying tank, one end of the first condenser 21 is connected to the cleaning tank 11 is connected to continuously transport the hydrocarbon cleaning agent dirty liquid in the cleaning tank 11 to the first condenser 21, and the other end of the first condenser 21 is connected to the inlet 311 to transfer the hydrocarbon in the first condenser 21 The cleaning agent dirty liquid is transported to the distillation tank 31 for heating and distillation, and the outlet 312 is connected to the shower 42, so that the steam produced by the heating and distillation of the hydrocarbon cleaning agent dirty liquid is sprayed into the drying tank 41 through the shower 42 for To dry the workpiece, the collection port 43 is used to collect the liquid formed by condensation during the steam drying process and transport it to the first condensing coil 22, and the hydrocarbon cleaning agent dirty liquid in the first condenser 21 is used to cool the first condensing coil The liquid in 22, obtains the new liquid of hydrocarbon cleaning agent.

At present, the use of hydrocarbon cleaning technology, especially in the process of distillation recovery and hot air drying, produces high energy consumption, and most of the heat is not easy to be recycled.

In the hydrocarbon cleaning equipment provided by the utility model, the liquid in the first condensing coil is cooled by the dirty liquid of the hydrocarbon cleaning agent in the condenser to lower the temperature, and at the same time, the temperature of the dirty liquid of the hydrocarbon cleaning agent in the condenser is also increased. On the one hand, the use of hydrocarbon cleaning agent dirty liquid as the cooling medium saves the amount of cooling water. On the other hand, the heat of the liquid formed by condensation of the steam during the drying process is fully utilized to preheat the dirty liquid of the hydrocarbon cleaning agent, so that the temperature of the dirty liquid of the hydrocarbon cleaning agent is increased, saving the heating required in the subsequent distillation tank of heat. Therefore, the hydrocarbon cleaning equipment provided by the utility model improves the utilization rate of the heat in the distillation recovery and drying process of the hydrocarbon cleaning agent.

In the present invention, the inlet 311 of the distillation tank is arranged at the bottom of the distillation tank.

In the utility model, the outlet 312 of the distillation tank is arranged on the top of the distillation tank.

In the utility model, the bottom of the cleaning tank is provided with a hydrocarbon cleaning agent dirty liquid outlet, and the hydrocarbon cleaning agent dirty liquid outlet is connected to the first condenser 21 .

In the present utility model, the cleaning system may include at least one cleaning tank. The hydrocarbon cleaning agent dirty liquid in each cleaning tank can be continuously sent to the first condenser 21 .

In the utility model, the hydrocarbon cleaning equipment further includes a second cooling system, and the second cooling system is used for further cooling the new hydrocarbon cleaning agent liquid output by the first condensation coil.

In the utility model, the second cooling system includes a second condenser and a second condensing coil surrounding the surface of the second condenser. The new hydrocarbon cleaning agent output from the first condensing coil enters the second condenser. Cooling water is passed through the second condensing coil to further cool the new liquid of the hydrocarbon cleaning agent in the second condenser.

In order to further cool the new liquid of the hydrocarbon cleaning agent, the utility model also provides a second cooling system, and cooling water or other cooling media can be fed into the second condensing coil.

In the utility model, the hydrocarbon cleaning equipment is also provided with a new liquid tank 5, the new liquid tank 5 is used to store the new liquid of the hydrocarbon cleaning agent, and the new liquid tank 5 is connected with the cleaning tank 11 through an automatic valve.

In the utility model, a liquid level control system is provided in the cleaning tank. When the liquid level of the cleaning tank is lower than the target liquid level, the new liquid of the hydrocarbon cleaning agent in the new liquid tank enters the cleaning tank through an automatic valve for cleaning. artifact.

In the utility model, the distillation system further includes a heating device, which is used for heating the dirty liquid of the hydrocarbon cleaning agent in the distillation tank.

In the utility model, the heating device includes a heating coil and a heat-conducting oil pipe. The heating coil is arranged inside the retort, and the heat-conducting oil pipe is arranged below the retort. Both the heating coil and the heat-conducting oil pipe are connected with heat-conducting oil.

In the utility model, both the heating coil and the heat-conducting oil pipe are connected with the heat-conducting oil tank, and the heat-conducting oil tank transports the heat-conducting oil to the heating coil and the heat-conducting oil pipe respectively through the heat-conducting oil pump.

The heating device heats the bottom and inside of the distillation tank, and the heat-conducting oil pump transports the heat-conducting oil in the heat-conducting oil tank to the heat-conducting oil pipe and the heating coil to heat the dirty liquid of the hydrocarbon cleaning agent. Combining the two heating methods, the heating is more direct and the contact area is larger.

In the utility model, the hydrocarbon cleaning equipment also includes a waste liquid tank, and the waste liquid generated in the distillation tank is discharged into the waste liquid tank.

The steam produced by heating and distilling the dirty liquid of the hydrocarbon cleaning agent of the utility model is sprayed into the drying tank through the sprayer, and is used to steam clean the workpiece. Compared with workpieces not cleaned by steam, the drying time of the utility model is greatly shortened. In this way, the workpiece is deeply cleaned, and the drying time is shortened, and at the same time, the heat of the high-temperature steam generated by distillation is fully utilized.

In the utility model, the temperature of the steam is 160°C-190°C.

In the present invention, after drying, the temperature of the liquid formed by condensation of the steam during the drying process is 140°C-150°C.

In the utility model, the hydrocarbon cleaning agent dirty liquid in the first condenser is used to cool the liquid in the first condensation coil, after heat exchange, the hydrocarbon cleaning agent in the first condenser is dirty The temperature of the liquid can reach 85°C-125°C. The temperature of the hydrocarbon cleaning agent dirty liquid coming out of the cleaning tank is 40°C-45°C, and after exchanging heat with the hotter liquid, the temperature can rise to 85°C-125°C.

In the utility model, compared with the existing hydrocarbon cleaning equipment, the heat utilization rate of the hydrocarbon cleaning equipment provided by the utility model can reach more than 40%.

In the utility model, the sprayer is arranged on the top of the drying tank in a conventional manner.

In the present utility model, the number of the sprayer is at least one.

In the utility model, the number of drying tanks is at least one. A plurality of showers can be arranged on the top of one drying tank, or a plurality of drying tanks can be arranged so that at least one shower is arranged on the top of each drying tank.

In the present invention, when there are multiple drying tanks, the liquid collected by the collecting port at the bottom of each drying tank is mixed and transported to the first condensation coil together.

The application process of the hydrocarbon cleaning equipment provided by the utility model is specifically: continuously transport the dirty liquid of the hydrocarbon cleaning agent in the cleaning tank to the first condenser, and then enter the distillation tank from the first condenser for heating and distillation, heating The steam generated by distillation enters the sprayer through the outlet, and is sprayed into the drying tank through the sprayer to dry the workpiece. After drying, the liquid formed by condensation during the steam drying process is collected and entered into the first condensation coil. At this time, the condensed The hydrocarbon cleaning agent dirty liquid in the tank is used to cool the liquid in the first condensing coil to obtain a new hydrocarbon cleaning agent liquid. At the same time, the hydrocarbon cleaning agent dirty liquid in the first condenser is also preheated, the temperature rises, and then enters the distillation tank for distillation. The whole process is cyclical. When the liquid level of the cleaning tank is lower than the target liquid level, the new liquid in the new liquid tank enters the cleaning tank for cleaning the workpiece.

The energy-saving and recyclable hydrocarbon cleaning equipment provided by the utility model can not only enable the effective recovery of the hydrocarbon cleaning agent, but also make full use of the recovered heat to maintain the cleaning and recovery temperature; it not only saves the heat required for heating in the distillation tank, It also saves the consumption of cooling water.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (9)

1. a kind of hydrocarbon cleaning equipment, it is characterised in that including purging system, the first cooling system, Distallation systm and dry system System, the purging system includes rinse bath, and first cooling system includes the first condenser and is looped around first condensation First condenser coil on device surface, the Distallation systm includes alembic, and the alembic is provided with outlet and entrance, the drying System includes dry slot, the spray thrower being located at the top of dry slot and the collection port for being located at dry trench bottom, first condenser One end and the rinse bath be connected to the agent for carbon hydrogen detergent dirty liquid in the rinse bath being persistently delivered to described first it is cold In condenser, the other end and the entrance of first condenser are connected to the agent for carbon hydrogen detergent in first condenser Dirty liquid is delivered to progress heating distillation in the alembic, and the outlet is connected with the spray thrower, makes agent for carbon hydrogen detergent dirty liquid The steam of heating distillation output is sprayed in the dry slot by the spray thrower to be used to dry workpiece, and the collection port is used for Collect the steam and the liquid of condensed formation and be delivered in the drying process in first condenser coil, described first is cold Agent for carbon hydrogen detergent dirty liquid in condenser is used to cool down the liquid in first condenser coil, obtains agent for carbon hydrogen detergent new Liquid.

2. hydrocarbon cleaning equipment as claimed in claim 1, it is characterised in that the hydrocarbon cleaning equipment also includes the second cooling System, the second cooling system is used for the new liquid of agent for carbon hydrogen detergent for further cooling down the first condenser coil output.

3. hydrocarbon cleaning equipment as claimed in claim 2, it is characterised in that the second cooling system includes the second condenser With the second condenser coil for being looped around second condenser surface, the new liquid of agent for carbon hydrogen detergent of the first condenser coil output Into in second condenser, cooling water is connected with second condenser coil to be used to further cool down second condenser In the new liquid of agent for carbon hydrogen detergent.

4. hydrocarbon cleaning equipment as claimed in claim 1, it is characterised in that the hydrocarbon cleaning equipment is additionally provided with new liquid bath, The new liquid bath is used to store the new liquid of the agent for carbon hydrogen detergent, and the new liquid bath is connected with the rinse bath by automatic valve.

5. hydrocarbon cleaning equipment as claimed in claim 4, it is characterised in that tank level control system is provided with the rinse bath, When the liquid level of the rinse bath is less than target level, the new liquid of the agent for carbon hydrogen detergent in the new liquid bath passes through automatic valve Entering is used for cleaning workpiece in the rinse bath.

6. hydrocarbon cleaning equipment as claimed in claim 1, it is characterised in that the Distallation systm also includes heater, institute State heater be used for heat distill agent for carbon hydrogen detergent dirty liquid in the alembic.

7. hydrocarbon cleaning equipment as claimed in claim 6, it is characterised in that the heater includes heating coil and heat conduction Oil pipe, the heating coil is arranged on the inside of the alembic, and the heat-conducting oil pipes are arranged on the lower section of the alembic, institute State in heating coil and heat-conducting oil pipes and be connected with conduction oil.

8. hydrocarbon cleaning equipment as claimed in claim 7, it is characterised in that the heating coil and the heat-conducting oil pipes with Heat conduction oil groove is connected, and conduction oil is delivered to the heating coil and the heat conduction by the heat conduction oil groove respectively by Heat-transfer Oil Pump In oil pipe.

9. hydrocarbon cleaning equipment as claimed in claim 1, it is characterised in that the hydrocarbon cleaning equipment also includes waste liquid tank, The waste liquid produced in the alembic is drained into the waste liquid tank.