CN212999528U - Diesel locomotive coolant liquid preparation system - Google Patents

Abstract

The utility model discloses a diesel locomotive coolant liquid preparation system, including ultrapure water preparation system, corrosion inhibitor configuration system and control system, ultrapure water preparation system includes the raw water pump, pretreatment device, safety filter, high pressure water pump, RO reverse osmosis facility, EDI water pump, EDI module and the pure water case that the order is connected, and corrosion inhibitor configuration system includes pure water pump, configuration case, goes out water pump, finished product water tank and water feeding water pump, and the configuration incasement is provided with heating device, agitating unit, automatic water level control device and temperature control device. The device can effectively get rid of aquatic harmful ion to automatic corrosion inhibitor prepares, and degree of automation is high, and production efficiency is high, and the harm that the coolant liquid of configuration produced locomotive cooling system is little, and the locomotive fault rate is low.

Description

Diesel locomotive coolant liquid preparation system

Technical Field

The utility model relates to a coolant liquid preparation system, in particular to diesel locomotive coolant liquid preparation system.

Background

High temperature generated by gas in a cylinder when the diesel locomotive works enables a combustion chamber of the cylinder and exhaust system components to be heated intensively, if the heated components are not cooled in time, overheating can occur, early abrasion of parts and carbonization and strain of a piston cylinder sleeve are caused, and a piston can be stuck in the cylinder sleeve to cause damage in severe cases, even a crankcase explosion and other serious accidents are caused. Therefore, the existing diesel locomotive needs to be cooled by using the cooling liquid.

The quality of the coolant has a direct impact on the performance and life of the diesel engine. The existing common water contains cations such as Ca2+, Mg2+ and the like, and scale is easily generated under the action of heat, so that the cooling capacity of a cooling system is influenced. The common water also contains anions such as Cl-, SO4-, HCO 3-and the like, and can corrode parts in contact with the common water. In order to remove harmful ions from water, the water needs to be purified. Also, to further prevent or slow down the chemicals or compounds that corrode the material, it is necessary to mix a certain amount of corrosion inhibitor in the cooling liquid.

At present, in the process of configuring the cooling liquid, two problems exist, on one hand, raw water treatment is not in place, more harmful ions still exist in the treated water, on the other hand, when the corrosion inhibitor is configured, manual configuration is needed, the automation degree is low, the configuration of the cooling liquid is troublesome, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a diesel locomotive coolant liquid system of preparing can effectively get rid of aquatic harmful ion to automatic corrosion inhibitor prepares, and degree of automation is high, and production efficiency is high, and the coolant liquid of configuration is little to the harm that locomotive cooling system produced, and the locomotive fault rate is low.

The above technical purpose of the present invention can be achieved by the following technical solutions: a diesel locomotive coolant liquid preparation system comprises an ultrapure water preparation system, a corrosion inhibitor preparation system and a control system, wherein the ultrapure water preparation system comprises a raw water pump, a pretreatment device, a security filter, a high-pressure water pump, an RO reverse osmosis facility, an EDI water pump, an EDI module and a pure water tank which are sequentially connected, the corrosion inhibitor preparation system comprises a pure water pump, a preparation tank, a water outlet pump, a finished product water tank and a water feeding pump, and a heating device, a stirring device, an automatic water level control device and a temperature control device are arranged in the preparation tank.

Through above-mentioned technical scheme, ultrapure water preparation system can link to each other with the running water pipeline, purifies water, sets up inside RO reverse osmosis membrane that is provided with through RO reverse osmosis, can get rid of dissolved solid, colloid, organic matter etc. of aquatic, and the EDI module can replace and get rid of the ion that aquatic is harmful to obtain ultrapure water. And sending the ultrapure water into a pure water tank for storage after the ultrapure water is prepared. When the cooling liquid needs to be prepared, the control system controls the pure water pump to input water into the configuration box, and then the corrosion inhibitor is injected into the configuration box. The configuration incasement is provided with heating device, agitating unit, can heat and stir the pure water, promotes corrosion inhibitor and pure water homogeneous mixing. Under the control of the control system, the cooling liquid is automatically prepared, the use is convenient, the labor intensity is low, and the concentration control of the corrosion inhibitor is accurate. When the water level in the preparation tank reaches the water level, the pure water pump does not supply water to the preparation tank any more, and the corrosion inhibitor with the required concentration can be obtained.

Preferably, the bottom of the configuration box is provided with a jet pump, a water inlet pipe of the configuration box is connected with a high-pressure water inlet of the jet pump, a suction inlet of the jet pump faces the middle part of the configuration box, and a jet orifice of the jet pump faces the side wall of the configuration box.

Through above-mentioned technical scheme, the coolant liquid is prepared and can be gone on simultaneously when filling water to the configuration case. When the cooling liquid is prepared, the corrosion inhibitor is firstly injected into the preparation box, and the ultrapure water enters the preparation box, so that the concentration of the solution in the preparation box is higher. The water which is sent into the preparation box by the pure water pump is connected with the high-pressure water inlet of the jet pump, and the original solution with higher concentration in the preparation box can be uniformly mixed with the pure water which is sent into the preparation box, so that the concentration of the solution in the preparation box can quickly reach a uniform state. In the stirring process, the water flow in the middle of the preparation box is slow, so that the concentration of the solution in the middle of the preparation box is higher than that of the solution at the edge of the preparation box, and the solution with higher concentration in the middle of the preparation box can be better sucked into the jet pump by the jet pump suction inlet towards the middle of the preparation box to be mixed with pure water, so that the solution in the preparation box can reach a uniform state as soon as possible. The jet pump is arranged at the bottom of the configuration box and can suck and spray the solution in the configuration box all the time. The jet pump not only plays a role of uniformly mixing the solution and the ultrapure water, but also plays a role of pushing the solution in the preparation box to flow around the inner wall of the preparation box.

Preferably, the stirring device is a stirring paddle, and the stirring paddle is positioned in the middle of the configuration box.

Through above-mentioned technical scheme, agitating unit sets up in configuration case middle part, can further promote the solution in the configuration case to mix, can not take place to interfere with between the jet pump simultaneously.

Preferably, the heating device is arranged at the bottom of the configuration box, the heating device is a heating rod, and the jet orifice of the jet pump inclines obliquely upwards.

Through the technical scheme, the heating device is arranged at the bottom of the configuration box, so that water in the configuration box can be conveniently heated. The jet pump jet orifice faces to the oblique upper side, and can jet water upwards, thereby promoting the flow of water flow, well keeping the water temperature in the configuration box in a uniform state and facilitating the temperature control.

Preferably, a buffer water tank is arranged between the cartridge filter and the high-pressure water pump, and an intermediate water tank is arranged between the RO reverse osmosis facility and the EDI water pump.

Through above-mentioned technical scheme, buffer tank can play the retaining effect, provides sufficient intake for high pressure water pump, avoids high pressure water pump to lead to RO reverse osmosis facility operating pressure unstability because it is not smooth to absorb water, and the work that influences RO reverse osmosis equipment is smoothly gone on, improves RO reverse osmosis and sets up the stability of work. The setting of middle water tank also can play the same effect with buffer tank, guarantees the effect of EDI water pump and the stable work of EDI module.

Preferably, a pressure relief loop is arranged between the EDI module and the intermediate water tank, and a pressure gauge and a pressure regulating valve are arranged on the pressure relief loop.

Through above-mentioned technical scheme, pressure regulating valve sets up can adjust and restrict EDI's operating pressure on pressure release circuit for the operating pressure of EDI module is less than or is stabilized at the settlement pressure, makes EDI module steady operation.

Preferably, the RO reverse osmosis facility is connected with a pressure gauge, a flushing electromagnetic valve and a pressure regulating valve through pipelines, and the flushing electromagnetic valve is connected with the pressure regulating valve in parallel.

Through above-mentioned technical scheme, pressure regulating valve's setting can restrict the operating pressure of RO reverse osmosis facility. The setting of washing solenoid valve can utilize rivers to wash inside reverse osmosis membrane before RO reverse osmosis facility work. When the washing electromagnetic valve is in an open state, the working pressure of the RO equipment can not be established, water sent by the high-pressure water pump washes the surface of the reverse osmosis membrane, and is discharged through the washing electromagnetic valve, so that the effect of cleaning the surface of the reverse osmosis membrane is achieved.

Preferably, the injection opening of the injection pump is provided with a stop lever.

Through the technical scheme, when water flow is sprayed out from the spray opening of the spray pump, the water flow collides with the stop rod to generate larger turbulent flow, so that the water flow sprayed out from the spray opening is mixed with the water flow outside the spray opening, the mixing of the solution in the configuration box is further promoted, and the concentration of the solution can reach a uniform state as soon as possible.

Preferably, the suction port of the jet pump is flared.

Through the technical scheme, the solution in the middle of the preparation box can be easily sucked into the jet pump and mixed with ultrapure water.

Compared with the prior art, the beneficial effects of the utility model are that: the ultrapure water preparation system can purify tap water and take out impurities and harmful ions in the tap water. The ultrapure water preparation system and the corrosion inhibitor configuration system are directly connected and work under the control of the control system, so that the cooling liquid can be automatically configured under the control of the control system, the production efficiency is high, the disturbance intensity is low, and the configuration of the cooling liquid is convenient.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view of the bottom structure of the configuration box in a top view;

fig. 3 is a schematic view of the entire configuration inside the distribution box.

Reference numerals: 1. an ultrapure water preparation system; 2. a corrosion inhibitor preparation system; 3. a raw water pump; 4. a pre-treatment device; 5. a cartridge filter; 6. a high pressure water pump; 7. an RO reverse osmosis facility; 8. an EDI water pump; 9. an EDI module; 10. a pure water tank; 11. a pure water pump; 12. a configuration box; 13. a water outlet pump; 14. a finished product water tank; 15. a water feeding pump; 16. a heating device; 17. a stirring device; 18. an automatic water level control device; 19. a temperature control device; 20. an injection pump; 21. a high pressure water inlet; 22. a suction inlet; 23. an ejection port; 24. a stirring paddle; 25. a water inlet pipe; 26. a heating rod; 27. a buffer water tank; 28. an intermediate water tank; 29. a pressure gauge; 30. a pressure regulating valve; 31. flushing the electromagnetic valve; 32. a gear lever; 33. a one-way valve; 34. a motor; 35. an electromagnetic valve; 36. and (4) a manual valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

As shown in fig. 1, a diesel locomotive coolant preparation system comprises an ultrapure water preparation system 1 and a corrosion inhibitor preparation system 2, wherein the corrosion inhibitor preparation system 2 is connected to the rear of the ultrapure water preparation system 1 through a pipeline. The system also comprises a control system which controls the ultrapure water preparation system 1 and the corrosion inhibitor configuration system 2, thereby realizing the automatic configuration of the cooling liquid.

The ultrapure water preparation system 1 comprises a raw water pump 3, a pretreatment device 4, a cartridge filter 5, a buffer water tank 27, a high-pressure water pump 6, an RO reverse osmosis facility 7, an EDI water pump 8, an EDI module 9 and a pure water tank 10. The raw water pump 3 is connected to a municipal tap water pipe to pressurize tap water and feed the tap water to the pretreatment apparatus 4. The pretreatment device 4 includes a multimedia filter, an activated carbon filter, and a softener. The multi-medium filter is internally provided with filter materials such as quartz sand, anthracite, magnet blocks, porous ceramics and the like to intercept suspended impurities in water and remove granular impurities, organic matters with high molecular weight, humus, colloid and iron ions in the water. The activated carbon filter can adsorb organic matters with small molecular weight and can also remove residual chlorine in tap water. The softener can replace calcium and magnesium ions in water, reduce the hardness of the water and replace the calcium and magnesium ions in the water with sodium ions. The multi-media filter, the activated carbon filter and the softener are common filtering devices, and the internal structures are not described in detail herein.

The tap water is treated by the pretreatment equipment 4 and then is led to the security filter 5, and the security filter 5 can further purify the water, reduce suspended matters in the water and improve the cleanliness of the water. The arrangement of the pretreatment equipment 4 and the security filter 5 can carry out classification treatment on water, large impurities in the water are taken out through the pretreatment equipment 4, and tap water enters the security filter 5 after being treated by the treatment equipment 4 to remove small impurities in the water, so that the service life of the security filter 5 can be prolonged. A manual valve 36 is provided between the canister filter 5 and the pre-treatment facility.

A buffer water tank 27 is arranged at the rear side of the cartridge filter 5, a high-pressure water pump 6 is arranged at the rear side of the buffer water tank 27, and an RO reverse osmosis facility 7 is connected at the rear side of the high-pressure water pump 6. A semi-permeable spiral wound membrane is arranged in the RO reverse osmosis facility 7 and is used for filtering water. The high-pressure water pump 6 provides working water pressure for the RO reverse osmosis facility 7, and the buffer water tank 27 can play a role in storing water, so that the most sufficient water supply is provided for the high-pressure water pump 6, and the high-pressure water pump 6 is prevented from idling or sucking air in during working. The RO reverse osmosis facility 7 is connected with a pressure gauge 29, a flushing solenoid valve 31 and a pressure regulating valve 30 through pipes. The flush solenoid valve 31 and the pressure regulating valve 30 are connected in parallel. The pressure regulating valve 30 can control the working pressure of the RO reverse osmosis device 7 to avoid damaging the RO reverse osmosis device 7 due to overhigh pressure. The reverse osmosis membrane of the RO reverse osmosis plant 7 can be flushed by means of the flushing solenoid valve 31. When the flushing solenoid valve 31 is opened, water is discharged from the flushing solenoid valve 31, the operating pressure of the RO reverse osmosis device 7 cannot be built up, and the water supplied by the high pressure water pump 6 flushes the surface of the reverse osmosis membrane to remove impurities accumulated on the surface of the reverse osmosis membrane.

An intermediate water tank 28 is arranged at the rear side of the RO reverse osmosis facility 7, the intermediate water tank 28 is connected with the EDI water pump 8, and the EDI water pump 8 inputs water in the intermediate water tank 28 into the EDI module 9. The intermediate tank 28 functions as the buffer tank 27, and ensures the EDI water pump 8 to supply water, thereby stably operating the EDI water pump and preventing air from being sucked in during operation. A pressure gauge 29 and a pressure regulating valve 30 are connected between the EDI module 9 and the intermediate water tank 28 through pipes. The pressure regulating valve 30 is configured to control the operating pressure of the EDI module 9, and when the operating pressure in the EDI module 9 is higher than the water pressure set by the pressure regulating valve 30, the water is released through the pressure regulating valve 30 and returns to the intermediate water tank 28. Water is input into the pure water tank 10 after being processed by the EDI module 9, and a one-way valve 33 is arranged between the EDI module 9 and the pure water tank 10 to avoid water backflow in the pure water tank 10.

The corrosion inhibitor configuration system 2 comprises a pure water pump 11, a configuration box 12, a water outlet pump 13, a finished product water tank 14 and a water feeding pump 15. The pure water pump 11 is connected to the pure water tank 10 through a pipe, and supplies water in the pure water tank 10 to the tank 12. The bottom of the configuration box 12 is also provided with a jet pump 20, and a high-pressure water inlet 21 of the jet pump 20 is connected with a water inlet pipe 25 of the configuration box 12. The suction port 22 of the jet pump 20 is directed toward the middle of the distribution box 12. The suction port of the jet pump 20 is formed in a flared shape to facilitate suction of the solution in the tank 12. The injection port 23 of the injection pump 20 faces the side wall of the arrangement tank 12 and obliquely upward from the arrangement tank 12. The jet port of the jet pump 20 is fixed to the bottom of the distribution box 12 by a bracket, and is elevated. The jet pump 20 is so arranged that the pure water and the corrosion inhibitor can be mixed immediately during the water injection. When the corrosion inhibitors are mixed, a certain amount of the corrosion inhibitors are put into the preparation box, the water level of the preparation box 12 is set through the control system, and then water is injected into the preparation box 12 through the pure water pump 11. Because the water inlet pipe 25 is connected with the high-pressure water inlet 21 of the jet pump 20, pure water can be sprayed out from the spray opening 23, meanwhile, the original solution in the middle of the preparation box 12 can be sucked into the jet pump 20 in the spraying process to be mixed with the pure water which is just sent into the preparation box 12, and the solution is mixed immediately in the water inlet process, so that the mixing speed of the solution is improved. Compared with the prior art that pure water is firstly put into the preparation box 12 and then the corrosion inhibitor is put into the preparation box for mixing after a certain amount of pure water is filled, the mixing efficiency is higher. The injection port 23 is inclined upward toward the side surface of the distribution box 12 to promote the flow of the solution in the distribution box 12 and to inject the solution at the bottom of the distribution box 12 upward, thereby further promoting the mixing of the solutions and making the solution uniform as soon as possible. The injection port 23 is further provided with a lever 32, and the lever 32 disturbs the water flow injected from the injection port 23. When the water flow is ejected from the ejection port 23 of the jet pump 20, the water flow collides with the stopper 32 to generate a large turbulent flow, and the laminar flow state of the ejected water flow is destroyed, so that the water flow ejected from the ejection port 23 and the water flow outside the ejection port 23 can be well mixed, and the concentration of the solution in the distribution box 12 can be brought to a uniform state as soon as possible.

The bottom of the configuration box 12 is also provided with a heating device 16, and the heating device 16 can use an electric heating rod 26. The stirring device 17 is a stirring paddle 24, and the stirring paddle 24 is arranged in the middle of the configuration box 12 to avoid interference with the jet pump 20. The paddles 24 are driven by a motor 34 disposed outside the distribution box 12. When the water level in the configuration box 12 reaches a set height, the stirring paddle 24 continues to stir for a certain time, thereby ensuring that the solution concentration in the configuration box 12 is uniform.

An automatic water level control device 18 is also arranged in the configuration box 12, and the automatic water level control device 18 can use an ultrasonic water level meter which is arranged at the upper end of the configuration box 12 and is connected with a control system for controlling the water level in the configuration box 12. When the water temperature in the configuration tank 12 reaches a set height, the control system controls the pure water pump 11 to stop working, and stops supplying water into the configuration tank 12. The temperature control device 19 may use a temperature sensing probe connected to the control system, and when the detected water temperature reaches the set heating temperature, the control system controls the heating device 16 to stop heating until the water temperature is lower than the set heating temperature again.

The rear side of the configuration box 12 is provided with a water outlet pump 13, and when the configuration in the configuration box 12 is easy to complete, the water outlet pump 13 works to input the cooling liquid configured in the configuration box 12 into a finished product water tank 14 for storage. The rear shield of the finished product water tank 14 is provided with a water feeding pump 15. The feed water pump 15 is used to feed the prepared coolant in the product water tank 14 into the cooling system of the locomotive.

An electromagnetic valve 35 is arranged between the finished product water tank 14 and the configuration tank 12, and the electromagnetic valve 35 can prevent the cooling liquid in the finished product water tank 14 from flowing back into the configuration tank 12. An electromagnetic valve or a check valve 33 may be provided between the tank 12 and the pure water tank 10, and the electromagnetic valve or the check valve 33 is opened when the pure water pump 11 is operated, and the check valve 33 or the electromagnetic valve is closed when the pure water pump 11 is closed.

When the RO reverse osmosis device works, the manual valve 36 is firstly opened, then the control system is started, the control system controls the flushing electromagnetic valve 31 to be opened, the raw water pump 3 and the high-pressure water pump 6 work, and the semipermeable membrane in the RO reverse osmosis device 7 is flushed. After the rinsing for a certain period of time, the rinsing solenoid valve 31 is closed, the RO reverse osmosis facility 7 is operated normally, and at the same time the EDI water pump 8 is operated to prepare ultrapure water, and the prepared ultrapure water is injected into the pure water tank 10. The pure water tank 10 is also provided with an ultrasonic water level gauge, and the ultrapure water preparation system 1 stops operating when the water level in the pure water tank 10 reaches a set water level. When the preparation of the cooling liquid is required, the amount of the cooling liquid to be disposed is set in the control system, and the water level in the disposition tank 12 is determined. Then, corrosion inhibitor is injected into the configuration box 12, and then the control system controls the pure water pump 11, the heating device 16 and the temperature control device 19 to work, so as to configure the cooling liquid. When the water level in the tank 12 is higher than the stirring paddle 24, the stirring device 17 is operated to stir the solution in the tank 12. When the water level in the distribution tank 12 reaches the set water level, the pure water pump 11 stops operating, and the paddle 24 also stops operating after continuing to operate for a certain period of time. Then the electromagnetic valve 35 is opened, the water outlet pump 13 works, and the prepared cooling liquid is sent to the finished product water tank 14 for storage. When in use, the control system controls the water feeding pump 15 to feed water in the finished product water tank 14 into the cooling system of the locomotive.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims (9)

1. A diesel locomotive coolant liquid preparation system is characterized in that: the system comprises an ultrapure water preparation system (1), a corrosion inhibitor configuration system (2) and a control system, wherein the ultrapure water preparation system (1) comprises a raw water pump (3), a pretreatment device (4), a security filter (5), a high-pressure water pump (6), an RO reverse osmosis facility (7), an EDI water pump (8), an EDI module (9) and a pure water tank (10) which are sequentially connected, the corrosion inhibitor configuration system (2) comprises a pure water pump (11), a configuration tank (12), an effluent water pump (13), a finished product water tank (14) and an upper water pump (15), and a heating device (16), a stirring device (17), an automatic water level control device (18) and a temperature control device (19) are arranged in the configuration tank (12).

2. The diesel locomotive coolant preparation system of claim 1, wherein: the bottom of the configuration box (12) is provided with a jet pump (20), a water inlet pipe (25) of the configuration box (12) is connected with a high-pressure water inlet (21) of the jet pump (20), a suction inlet (22) of the jet pump (20) faces to the middle of the configuration box (12), and a jet port (23) of the jet pump (20) faces to the side wall of the configuration box (12).

3. The diesel locomotive coolant preparation system of claim 2, wherein: the stirring device (17) is a stirring paddle (24), and the stirring paddle (24) is positioned in the middle of the configuration box (12).

4. The diesel locomotive coolant preparation system of claim 2, wherein: the heating device (16) is arranged at the bottom of the configuration box (12), the heating device (16) is a heating rod (26), and the jet orifice (23) of the jet pump (20) inclines to the upper direction.

5. The diesel locomotive coolant preparation system of claim 1, wherein: a buffer water tank (27) is arranged between the cartridge filter (5) and the high-pressure water pump (6), and an intermediate water tank (28) is arranged between the RO reverse osmosis facility (7) and the EDI water pump (8).

6. The diesel locomotive coolant preparation system of claim 1, wherein: a pressure gauge (29) and a pressure regulating valve (30) are connected between the EDI module (9) and the intermediate water tank (28) through pipelines.

7. The diesel locomotive coolant preparation system of claim 1, wherein: the RO reverse osmosis facility (7) is connected with a pressure gauge (29), a flushing electromagnetic valve (31) and a pressure regulating valve (30) through pipelines, and the flushing electromagnetic valve (31) is connected with the pressure regulating valve (30) in parallel.

8. The diesel locomotive coolant preparation system of claim 2, wherein: the injection port (23) of the injection pump (20) is provided with a gear lever (32).

9. The diesel locomotive coolant preparation system of claim 2, wherein: the suction port (22) of the jet pump (20) is formed in a flared shape.

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