Liquid injection and drainage device of cleaning machine

Abstract

The utility model provides a cleaning machine liquid injection and drainage device which comprises a solvent barrel and a long steel pipe contained in an industrial cleaning machine, one end of the long steel pipe can stretch into the solvent barrel, the other end of the long steel pipe is divided into a first pipeline and a second pipeline for output, and an outlet of the solvent barrel is further provided with a barrel adapter with a safety valve. An observation window, a liquid injection and drainage hand valve, a liquid injection and drainage ball valve, a distillation retort liquid injection and drainage valve and a distillation retort are sequentially arranged on the first pipeline; the second pipeline is connected out through the air exhaust hand valve and the vacuum pump in sequence. According to the utility model, the vacuum pump can pump the system pressure to negative pressure through the second pipeline; a barrel adapter with a safety valve, a third pipeline and a vacuum breaking valve are adopted, so that the system can be recovered to normal pressure; vacuum type liquid injection and drainage are achieved, a solvent is injected into the system or discharged from the system through the air pressure difference, efficiency is high, stability is good, other external equipment is not needed, and pollutants are hardly brought in.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial cleaning equipment, in particular to a liquid injection and discharge device for a cleaning machine. Background Art

[0002] The existing injection and drainage forms mainly include pump injection and drainage, gravity injection and drainage, pneumatic injection and drainage, etc., which have the following technical defects: the existing injection and drainage forms have problems such as low efficiency, poor stability, inability to completely discharge the liquid, and equipment being limited by the solvent type, which have caused varying degrees of impact on the cleaning process and effect.

[0003] Therefore, how to design a cleaning machine injection and discharge device that uses vacuum injection and discharge and utilizes air pressure difference to inject solvent into the system or discharge it has become an urgent problem to be solved. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a liquid injection and discharge device for a cleaning machine to solve at least one of the above technical problems.

[0005] The technical solution of the utility model is: a cleaning machine injection and discharge device, including a solvent barrel, a long steel pipe stored in the industrial cleaning machine, one end of the long steel pipe can be extended into the solvent barrel, and the other end of the long steel pipe is divided into a first pipeline and a second pipeline for two outputs, and the outlet of the solvent barrel is also provided with a barrel adapter with a safety valve, and the first pipeline is provided with an observation window, an injection and discharge manual valve, an injection and discharge ball valve, a distillation tank injection and discharge valve, and a distillation tank in sequence; the second pipeline is connected through an exhaust manual valve and a vacuum pump in sequence. The pipeline between the exhaust manual valve and the vacuum pump is divided into a third pipeline and a fourth pipeline for two outputs, the third pipeline is connected through a piercing valve, and the fourth pipeline is connected to the pipeline between the injection and discharge ball valve and the distillation tank injection and discharge valve.

[0006] The utility model adopts a vacuum pump to pump the system pressure to negative pressure through the second pipeline; adopts a barrel adapter with a safety valve and the third pipeline and a breaker valve to restore the system to normal pressure; realizes vacuum injection and discharge of liquid, and utilizes the air pressure difference to inject the solvent into the system or discharge it therefrom, with high efficiency and good stability, without the need for other external equipment, and almost no pollutants are introduced; the long steel pipe stored in the industrial cleaning machine is movably connected to the solvent barrel, and can continue to be used after the solvent barrel is replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the structure of the liquid discharge system of the utility model.

[0008] In the figure: 1. Solvent barrel; 2. Long steel pipe; 3. Barrel adapter; 4. Observation window; 5. Manual valve for filling and draining liquid; 6. Ball valve for filling and draining liquid; 7. Filling and draining valve of No. 2 liquid storage tank; 8. Filling and draining valve of No. 1 liquid storage tank; 9. Filling and draining valve of distillation tank; 10. No. 2 liquid storage tank; 11. No. 1 liquid storage tank; 12. Distillation tank; 13. Maximum liquid level sensor of No. 2 liquid storage tank; 14. Maximum liquid level sensor of No. 1 liquid storage tank; 15. Maximum liquid level sensor of distillation tank; 16. Barrel liquid level sensor; 17. Breaking valve; 18. Vacuum manual valve; 19. Temperature sensor; 20. Vacuum pump. DETAILED DESCRIPTION

[0009] The utility model is further described below in conjunction with the accompanying drawings.

[0010] See also Figure 1 The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0011] Embodiment 1: A cleaning machine injection and discharge device, referring to Figure 1 , including a solvent barrel 1, a long steel pipe 2 stored in the industrial cleaning machine, one end of the long steel pipe 2 can be extended into the solvent barrel 1, and the other end of the long steel pipe 2 is divided into a first pipeline and a second pipeline for two outputs, and the outlet of the solvent barrel 1 is also provided with a barrel adapter 3 with a safety valve, and the first pipeline is provided with an observation window 4, a manual valve for injection and discharge of liquid 5, a ball valve for injection and discharge of liquid 6, a distillation tank injection and discharge valve 9, and a distillation tank 12 in sequence; the second pipeline is connected in sequence through an air extraction manual valve 18 and a vacuum pump 20. The utility model adopts a vacuum pump to pump the system pressure to negative pressure through the second pipeline, realizes vacuum injection and discharge of liquid, and uses the air pressure difference to inject the solvent into the system or discharge it from it, with high efficiency and good stability, without the need for other external equipment, and almost no pollutants are introduced; the long steel pipe stored in the industrial cleaning machine is movably connected to the solvent barrel, and can continue to be used after the solvent barrel is replaced.

[0012] Embodiment 2: Based on Embodiment 1, the pipeline between the vacuum hand valve 18 and the vacuum pump 20 is divided into two outputs, the third pipeline and the fourth pipeline. The third pipeline is connected through the air-breaking valve 17, and the fourth pipeline is connected to the pipeline between the injection and discharge ball valve 6 and the distillation tank injection and discharge valve 9. The utility model adopts a barrel adapter with a safety valve, a third pipeline, and an air-breaking valve, which can restore the system to normal pressure.

[0013] Embodiment 3: Based on embodiment 2, a fifth pipeline is further provided between the fourth pipeline and the distillation tank injection and discharge valve 9, and the fifth pipeline is connected to two liquid storage tanks respectively. The utility model adopts the fifth pipeline connected to two liquid storage tanks respectively.

[0014] Embodiment 4: Based on Embodiment 3, the two liquid storage tanks correspond to the No. 2 liquid storage tank 10 and the No. 1 liquid storage tank 11 respectively, and the No. 1 liquid storage tank maximum level sensor 14 is arranged above the interior of the No. 1 liquid storage tank 11, and the No. 2 liquid storage tank maximum level sensor 13 is arranged above the interior of the No. 2 liquid storage tank 10. The utility model adopts the No. 1 liquid storage tank maximum level sensor to prompt the No. 1 liquid storage tank to complete the filling, and adopts the No. 2 liquid storage tank maximum level sensor to prompt the No. 2 liquid storage tank to complete the filling.

[0015] Embodiment 5: Based on embodiment 4, the fifth pipeline is divided into two outputs, namely, the sixth pipeline and the seventh pipeline, and the sixth pipeline is connected to the first liquid storage tank 11 through the first liquid storage tank filling and discharging valve 8. The utility model adopts the first liquid storage tank filling and discharging valve to control the opening and closing of the first liquid storage tank.

[0016] Embodiment 6: Based on Embodiment 5, the seventh pipeline is connected to the No. 2 liquid storage tank 10 through the No. 2 liquid storage tank filling and discharging valve 7. The utility model adopts the No. 2 liquid storage tank filling and discharging valve to control the opening and closing of the No. 2 liquid storage tank.

[0017] Embodiment 7: Based on Embodiment 1, a temperature sensor 19 is provided between the observation window 4 and the liquid injection and discharge hand valve 5. The utility model uses a temperature sensor to detect the temperature of the discharged liquid. When the temperature of the discharged liquid is greater than the set temperature, the system will forcefully close the liquid injection and discharge ball valve to stop the discharge.

[0018] Embodiment 8: Based on Embodiment 1, the industrial cleaning machine further contains a barrel liquid level sensor 16, which can be installed at the top surface outlet of the solvent barrel 1. The utility model uses a barrel liquid level sensor and a top surface outlet of the solvent barrel to be movably connected. The barrel liquid level sensor is installed at the top surface outlet of the solvent barrel and can be used to detect the liquid level in the solvent barrel. When the barrel liquid level sensor detects liquid, the system will close the filling and discharging ball valve and prompt that the solvent barrel is full.

[0019] Embodiment 9: Based on the embodiment 1, a distillation tank maximum liquid level sensor 15 is provided above the interior of the distillation tank 12. The utility model uses the distillation tank maximum liquid level sensor to detect the liquid level in the distillation tank, and the system will prompt that the distillation tank filling is completed.

[0020] During specific implementation, the liquid injection process of the utility model is as follows:

[0021] S1, ensure that the filling and discharging valve 7 of the No. 2 liquid storage tank, the filling and discharging valve 8 of the No. 1 liquid storage tank, the filling and discharging valve 9 of the distillation tank, the discharge ball valve 6 and the filling and discharging hand valve 5 are closed;

[0022] S2, start the vacuum pump 20, and pump the system pressure to negative pressure through the second pipeline;

[0023] S3, extending the long steel pipe 2 stored in the industrial cleaning machine into the liquid in the solvent barrel 1;

[0024] S4, open the liquid injection and discharge ball valve 6 and the liquid injection and discharge hand valve 5, observe the liquid flow in real time through the observation window 4, and at the same time use the liquid injection and discharge hand valve 5 to timely control the flow rate. At this time, the solvent can be selected to be injected into the second liquid storage tank 10, the first liquid storage tank 11 or the distillation tank 12 by controlling the switches of the liquid injection and discharge valve 7 of the second liquid storage tank, the liquid injection and discharge valve 8 of the first liquid storage tank and the liquid injection and discharge valve 9 of the distillation tank;

[0025] S5. When the solvent of each tank reaches the maximum liquid level sensor 13 of the second liquid storage tank, the maximum liquid level sensor 14 of the first liquid storage tank and the maximum liquid level sensor 15 of the distillation tank respectively, the system will prompt that the injection is completed.

[0026] The drainage process of the utility model:

[0027] T1. Ensure that the filling and discharging valve 7 of the No. 2 liquid storage tank, the filling and discharging valve 8 of the No. 1 liquid storage tank, the filling and discharging valve 9 of the distillation tank, the discharge ball valve 6 and the filling and discharging hand valve 5 are closed, and the system is under negative pressure;

[0028] T2. Install the barrel adapter 3 with a safety valve at the outlet of the solvent barrel 1, and install the liquid level sensor 16 stored in the industrial cleaning machine at the outlet of the solvent barrel 1, open the system's air-breaking valve 17, and restore the system to normal pressure;

[0029] T3, open the vacuum hand valve 18, and use the system's vacuum pump 20 to pump the pressure in the barrel to negative pressure. Since the barrel adapter 3 with a safety valve is installed, the solvent barrel 1 will not be affected by the external normal pressure;

[0030] T4, open the filling and draining valve 7 of the No. 2 liquid storage tank, the filling and draining valve 8 of the No. 1 liquid storage tank and the filling and draining valve 9 of the distillation tank respectively;

[0031] T5, open the ball valve 6 and the hand valve 5. At this time, since the system pressure is greater than the pressure in the solvent barrel 1, the liquid will be pressed into the solvent barrel 1. When the temperature sensor 19 detects that the temperature of the discharged liquid is greater than the set temperature, the system will forcefully close the injection and discharge ball valve 6 to stop the discharge;

[0032] T6, when the liquid level in the solvent barrel 1 reaches the liquid level sensor 16, the system will close the filling and discharging ball valve 6 and prompt that the solvent barrel 1 is full;

[0033] T7. Replace solvent barrel 1 and drain the liquid several times until the drainage is complete.

[0034] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A cleaning machine injection and discharge device, comprising a solvent barrel (1) and a long steel pipe (2) stored in an industrial cleaning machine, characterized in that: One end of the long steel pipe (2) can extend into the solvent barrel (1), and the other end of the long steel pipe (2) is divided into two outputs, namely a first pipeline and a second pipeline. The outlet of the solvent barrel (1) is also provided with a barrel adapter (3) with a safety valve. The first pipeline is provided with an observation window (4), a manual injection and discharge valve (5), a ball valve (6), a distillation tank injection and discharge valve (9), and a distillation tank (12) in sequence; the second pipeline is connected to the outlet through a vacuum manual valve (18) and a vacuum pump (20) in sequence.

2. A cleaning machine liquid injection and discharge device according to claim 1, characterized in that: The pipeline between the vacuum hand valve (18) and the vacuum pump (20) is divided into two outputs, a third pipeline and a fourth pipeline. The third pipeline is connected through the air-breaking valve (17), and the fourth pipeline is connected to the pipeline between the injection and discharge ball valve (6) and the distillation tank injection and discharge valve (9).

3. A cleaning machine liquid injection and discharge device according to claim 2, characterized in that: A fifth pipeline is also provided between the fourth pipeline and the distillation tank injection and discharge valve (9), and the fifth pipeline is connected to the two liquid storage tanks respectively.

4. A cleaning machine liquid injection and discharge device according to claim 3, characterized in that: The two liquid storage tanks correspond to the No. 2 liquid storage tank (10) and the No. 1 liquid storage tank (11) respectively. A No. 1 liquid storage tank maximum liquid level sensor (14) is arranged above the interior of the No. 1 liquid storage tank (11), and a No. 2 liquid storage tank maximum liquid level sensor (13) is arranged above the interior of the No. 2 liquid storage tank (10).

5. A cleaning machine liquid injection and discharge device according to claim 4, characterized in that: The fifth pipeline is divided into two outputs, namely a sixth pipeline and a seventh pipeline. The sixth pipeline is connected to the first liquid storage tank (11) via the first liquid storage tank filling and discharge valve (8).

6. A cleaning machine liquid injection and discharge device according to claim 5, characterized in that: The seventh pipeline is connected to the No. 2 liquid storage tank (10) via the No. 2 liquid storage tank filling and discharge valve (7).

7. A cleaning machine liquid injection and discharge device according to claim 1, characterized in that: A temperature sensor (19) is provided between the observation window (4) and the liquid injection and discharge manual valve (5).

8. A cleaning machine liquid injection and discharge device according to claim 1, characterized in that: The industrial cleaning machine also contains a barrel liquid level sensor (16), which can be installed at the top surface outlet of the solvent barrel (1).

9. A cleaning machine liquid injection and discharge device according to claim 1, characterized in that: A distillation tank maximum liquid level sensor (15) is arranged above the interior of the distillation tank (12).

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