Vacuum-pumping system of rubber tube vulcanizing tank

Abstract

The invention provides a vacuumizing system of a rubber tube vulcanizing tank, which comprises a vulcanizing tank container, a water ring vacuum pump, a cooling tank, a circulating water pump and a cooling-water machine, and a ball valve A, a pneumatic control valve A, a pressure gauge and a check valve A are sequentially communicated and fixed between the vulcanizing tank container and an air inlet of the water ring vacuum pump. According to the vulcanizing tank disclosed by the invention, a vacuumizing function is added on the original basis, a rubber pipe can be in full contact with saturated steam, the steam utilization rate is improved, the vulcanizing cost is effectively reduced, the vulcanizing is more thorough, and the product quality is improved; the compressed air provided by the air supply equipment cools the rubber pipe, the compressed air is used for cooling the surface of the rubber pipe, the tank body is not prone to corrosion, the service life of the tank body can be prolonged, and meanwhile the production cost can be reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rubber pipe vulcanizing tank, in particular to a vacuum system of rubber pipe vulcanizing tank. BACKGROUND

[0002] The rubber pipe vulcanizing tank has the following defects in use: (1) When the rubber pipe is vulcanized, there is a large amount of air in the vulcanizing tank. When the saturated steam enters the tank, heat exchange will occur between the saturated steam and the air in the tank, and the saturated steam will be diluted, resulting in low utilization rate of steam and high production cost. (2) After the rubber pipe vulcanization process is completed, water is used for cooling, which causes the tank body to rust, affects the service life of the tank body, wastes water resources, and also causes the production cost to increase. Based on the above two technical problems, a vacuum system of rubber pipe vulcanizing tank is proposed. SUMMARY

[0003] In order to solve the problems existing in the prior art, the present application provides a vacuum system of rubber pipe vulcanizing tank.

[0004] In order to achieve the above purpose, the present application adopts the following technical scheme: A vacuum system of rubber pipe vulcanizing tank, comprising a vulcanizing tank container, a water ring vacuum pump, a cooling tank, a circulating water pump and a cold water machine, a ball valve A, an air inlet of the water ring vacuum pump and the cooling tank are sequentially connected and fixed, a pressure gauge and a check valve A are sequentially connected and fixed between the air inlet of the water ring vacuum pump and the cooling tank, the air outlet of the water ring vacuum pump is connected with the air inlet of the cooling tank, and the air outlet of the cooling tank is connected and fixed with an exhaust port. The cooling water inlet of the water ring vacuum pump and the cooling water outlet of the cooling tank are sequentially connected and fixed with a ball valve B, a Y-shaped filter, a temperature gauge and a ball valve C, the water inlet of the cooling tank is connected and fixed with a water supplement electromagnetic valve, and the water inlet of the cooling tank is connected and fixed with a liquid supplement port through the water supplement electromagnetic valve. The cooling tank further comprises a coil pipe, and a ball valve D, a circulating water pump, a ball valve E, a cold water machine and a ball valve F are sequentially connected and fixed between the two ends of the coil pipe.

[0005] Preferably, a check valve B is connected and fixed in parallel with the vacuum interface of the vulcanizing tank.

[0006] Preferably, the exhaust end of the water ring vacuum pump is connected and fixed with a vacuum pump exhaust valve, the exhaust end of the water ring vacuum pump is connected with an exhaust port through the vacuum pump exhaust valve, the exhaust end of the cooling tank is also connected with the exhaust port, the steam-water separation port of the cooling tank is connected and fixed with a steam-water separator exhaust valve, and the steam-water separation port of the cooling tank is also connected with the exhaust port through the steam-water separator exhaust valve.

[0007] Preferably, the two ends of the water supplement solenoid valve are fixedly connected with a manual water supplement valve which is in parallel communication with the water supplement solenoid valve.

[0008] Preferably, the water ring vacuum pump and the circulating water pump are connected with the motor M through the shaft coupling.

[0009] Preferably, the cooling tank is further provided with a temperature transmitter and a magnetic flap liquid level meter, the magnetic flap liquid level meter is connected with two inlets of the cooling tank, a ball valve G is fixedly connected between one of the inlets of the cooling tank and the magnetic flap liquid level meter, a ball valve H is fixedly connected between the other inlet of the cooling tank and the magnetic flap liquid level meter, and a liquid level transmitter which is electrically connected with the control end of the water supplement solenoid valve is arranged on the magnetic flap liquid level meter.

[0010] Preferably, one end of the water outlet of the water cooler is connected with the ball valve F, and the other end of the water outlet is the water outlet end.

[0011] Preferably, the steam inlet of the vulcanization tank is fixedly connected with a gas source for compressed gas through a steam pipeline, the compressed gas is injected into the tank body of the vulcanization tank through the steam inlet of the vulcanization tank to cool the rubber tube, the hot gas after cooling is discharged through the gas outlet above the tank body of the vulcanization tank, and a check valve C which is in communication with the steam pipeline is arranged on the steam inlet of the vulcanization tank.

[0012] Compared with the prior art, the vulcanization tank of the present application is additionally provided with a vacuumizing function, the rubber tube can be fully contacted with the saturated steam, the steam utilization rate is improved, the vulcanization cost is effectively reduced, the vulcanization is more thorough, the product quality is improved, and in addition, after the vulcanization treatment, the compressed gas provided by the gas supply equipment can be used to cool the rubber tube through the cooperation of the gas supply equipment, the steam pipeline and the steam inlet of the vulcanization tank, the compressed air is used to cool the surface of the rubber tube, the tank body is not easy to rust, the service life of the tank body can be improved, and the production cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The present application provides a kind of rubber tube vulcanization tank's vacuum system structure schematic view.

[0014] In the figure: 1, check valve B; 2, ball valve A; 3, pneumatic regulating valve A; 4, pressure gauge; 5, check valve A; 6, water ring vacuum pump; 7, ball valve C; 8, vacuum pump emptying valve; 9, temperature table; 10, Y type filter; 11, ball valve B; 12, ball valve F; 13, cooling tank; 1301, coil pipe; 14, water supplement solenoid valve; 15, manual water supplement valve; 16, ball valve G; 17, magnetic flap liquid level meter; 18, liquid level transmitter; 19, ball valve H; 20, temperature transmitter; 21, steam-water separator emptying valve; 22, ball valve D; 23, circulating water pump; 24, ball valve E; 25, water cooler. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments of the present application.

[0016] Referring to Figure 1 A vacuum system of a rubber tube vulcanization tank comprises a vulcanization tank container, a water ring vacuum pump 6, a cooling tank 13, a circulating water pump 23 and a cold water machine 25, further comprises a steam inlet of the vulcanization tank, the steam inlet of the vulcanization tank is communicated with a gas source for compressed gas through a steam pipeline, the compressed gas is injected into the vulcanization tank body through the steam inlet of the vulcanization tank, so as to cool the rubber tube, the cooled hot gas is discharged through the gas outlet above the vulcanization tank body, a check valve C communicated with the steam pipeline is further installed on the steam inlet of the vulcanization tank, a ball valve A2, an air-operated regulating valve A3, a pressure gauge 4 and a check valve A5 are sequentially and fixedly communicated between the vulcanization tank container and the air inlet of the water ring vacuum pump 6, the air outlet of the water ring vacuum pump 6 is communicated with the air inlet of the cooling tank 13, the air outlet of the cooling tank 13 is fixedly communicated with a gas outlet, a check valve B1 is fixedly communicated on the bypass of the vacuum interface of the vulcanization tank; A ball valve B11, a Y-type filter 10, a temperature gauge 9 and a ball valve C7 are sequentially and fixedly communicated between the cooling water inlet of the water ring vacuum pump 6 and the cooling water outlet of the cooling tank 13, a water inlet of the cooling tank 13 is fixedly communicated with a water supplement electromagnetic valve 14, the water inlet of the cooling tank 13 is fixedly communicated with a liquid supplement port through the water supplement electromagnetic valve 14, two ends of the water supplement electromagnetic valve 14 are fixedly communicated with a manual water supplement valve 15 communicated with the water supplement electromagnetic valve 14 in parallel; The cooling tank 13 further comprises a coil pipe 1301, a ball valve D22, a circulating water pump 23, a ball valve E24, a cold water machine 25 and a ball valve F12 are sequentially and fixedly communicated between two ends of the coil pipe 1301, one end of the cold water machine 25 communicated with the ball valve F12 is a water inlet end, and the other end is a water outlet end, the water ring vacuum pump 6 and the circulating water pump 23 are both connected with a motor M through a shaft coupling, the vulcanization tank of the embodiment adds the function of vacuumizing on the basis of the original, the rubber tube can be fully contacted with the saturated steam, the steam utilization rate is improved, the vulcanization cost is effectively reduced, the vulcanization is more thorough, the product quality is improved, in addition, after the vulcanization treatment, the compressed gas provided by the gas supply equipment can be used to cool the rubber tube through the cooperation of the gas supply equipment, the steam pipeline and the steam inlet of the vulcanization tank, the compressed air provided by the gas supply equipment is used to cool the surface of the rubber tube, the tank body is not easy to rust, the service life of the tank body can be improved, and the production cost is also reduced.

[0017] Further, the exhaust end of the water ring vacuum pump 6 is communicated with a vacuum pump exhaust valve 8, the exhaust end of the water ring vacuum pump 6 is communicated with an exhaust port through the vacuum pump exhaust valve 8, and the exhaust end of the cooling tank 13 is also communicated with the exhaust port, the steam-water separation port of the cooling tank 13 is communicated with a steam-water separator exhaust valve 21, and the steam-water separation port of the cooling tank 13 is also communicated with the exhaust port through the steam-water separator exhaust valve 21.

[0018] Further, the cooling tank 13 is also provided with a temperature transmitter 20 and a magnetic flap liquid level meter 17, the magnetic flap liquid level meter 17 is communicated with two corresponding inlets of the cooling tank 13, a ball valve G16 is fixedly connected between one of the inlets of the cooling tank 13 and the magnetic flap liquid level meter 17, a ball valve H19 is fixedly connected between the other inlet of the cooling tank 13 and the magnetic flap liquid level meter 17, and a liquid level transmitter 18 electrically connected with a control end of the water replenishing electromagnetic valve 14 is installed on the magnetic flap liquid level meter 17.

[0019] The use method of the embodiment is as follows: when the rubber tube is subjected to the vulcanization treatment, the coil pipe 1301 on the cooling tank 13 is matched with the ball valve D22, the circulating water pump 23, the ball valve E24, the water cooler 25 and the ball valve F12 between the two ends of the coil pipe 1301 to ensure the temperature of the cooling water in the cooling tank 13. Firstly, the tank door of the vulcanization tank is closed, the air inlet of the water ring vacuum pump 6 is communicated with the ball valve A2, the pneumatic regulating valve A3, the pressure gauge 4, the check valve A5 and the vacuum interface of the vulcanization tank to extract the hot air in the tank body of the vulcanization tank and deliver the extracted hot air to the cooling tank 13 for cooling treatment, finally, the cooled hot air is discharged through the air outlet of the cooling tank 13, at this time, the cooling water in the cooling tank 13 is matched with the ball valve B11, the Y-type filter 10, the temperature gauge 9, the ball valve C7 and the cooling water inlet of the water ring vacuum pump 6 to cool the water ring vacuum pump 6, so as to ensure the normal operation of the water ring vacuum pump 6, until the pressure in the tank body of the vulcanization tank is extracted to the set pressure-0.8bar (which can be set according to the technical requirements), then the pressure is stabilized for 5 seconds (which can be set according to the technical requirements), the water ring vacuum pump 6 stops working, at this time, the saturated steam is automatically injected, then the vulcanization tank starts the subsequent steps: temperature rising-pressure maintaining-pressure releasing-cooling, as known from the above, the vulcanization tank of the embodiment adds the function of vacuum extraction on the basis of the original tank, the rubber tube can be fully contacted with the saturated steam, the steam utilization rate is improved, the vulcanization cost is effectively reduced, the vulcanization is more thorough, and the product quality is improved. In addition, the steam inlet of the vulcanization tank is communicated with a gas source for compressing gas through a steam pipeline, the compressed gas is injected into the tank body of the vulcanization tank through the steam inlet of the vulcanization tank to cool the rubber tube, and the cooled hot gas is discharged through the gas outlet above the tank body of the vulcanization tank, so it can be known that the vulcanization tank uses the compressed air to cool the surface of the rubber tube, the tank body is not easy to rust, the service life of the tank body can be improved, and the production cost is also reduced.

[0020] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent substitutions or changes according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A vacuum extraction system of a rubber pipe vulcanizing pot comprising a vulcanizing pot container, a water ring vacuum pump (6), a cooling pot (13), a circulating water pump (23), and a cold water machine (25), characterized in that, Ball valve A (2), pneumatic regulating valve A (3), pressure gauge (4) and check valve A (5) are fixed in sequence between the sulfurizing tank container and the air inlet of water ring vacuum pump (6), the air outlet of water ring vacuum pump (6) is communicated with the air inlet of cooling tank (13), and the air outlet of cooling tank (13) is fixedly communicated with exhaust port; Ball valve B (11), Y-type filter (10), temperature gauge (9) and ball valve C (7) are fixed in sequence between the cooling water inlet of water ring vacuum pump (6) and the cooling water outlet of cooling tank (13), the tap water inlet of cooling tank (13) is fixedly communicated with water supplement electromagnetic valve (14), and the tap water inlet of cooling tank (13) is fixedly communicated with liquid supplement port through water supplement electromagnetic valve (14); Cooling tank (13) further comprises coil pipe (1301), and ball valve D (22), circulating water pump (23), ball valve E (24), water cooler (25) and ball valve F (12) are fixed in sequence between the two ends of coil pipe (1301).

2. A vacuum system for a rubber hose curing tank according to claim 1, wherein Check valve B (1) is fixed in sequence on the bypass of the vacuum interface of the sulfurizing tank.

3. The vacuum system for a rubber tube vulcanizer according to claim 1, wherein Vacuum pump exhaust valve (8) is fixedly communicated with the exhaust end of water ring vacuum pump (6), the exhaust end of water ring vacuum pump (6) is communicated with exhaust port through vacuum pump exhaust valve (8), the exhaust end of cooling tank (13) is also communicated with exhaust port, and steam-water separation valve (21) is fixedly communicated with the steam-water separation port of cooling tank (13), and the steam-water separation port of cooling tank (13) is also communicated with exhaust port through steam-water separation valve (21).

4. The vacuum system for a rubber tube vulcanizer according to claim 1, wherein A manual water supplement valve (15) is fixedly communicated with water supplement electromagnetic valve (14) in parallel.

5. The vacuum system for a rubber tube vulcanizer according to claim 1, wherein Motor M is connected with water ring vacuum pump (6) and circulating water pump (23) through shaft couplings.

6. The vacuum system for a rubber tube vulcanizer according to claim 1, wherein Temperature transmitter (20) and magnetic flap liquid level meter (17) are further installed on cooling tank (13), magnetic flap liquid level meter (17) is communicated with the two inlets of cooling tank (13) in correspondence, ball valve G (16) is fixedly connected between one of the inlets of cooling tank (13) and magnetic flap liquid level meter (17), ball valve H (19) is fixedly connected between the other inlet of cooling tank (13) and magnetic flap liquid level meter (17), and liquid level transmitter (18) is electrically connected with the control end of water supplement electromagnetic valve (14) and installed on magnetic flap liquid level meter (17).

7. The vacuum system for a rubber tube vulcanizer according to claim 1, wherein The end of water cooler (25) communicated with ball valve F (12) is water inlet end, and the other end is water outlet end.

8. The vacuum system for a rubber tube vulcanizer according to claim 1, wherein The steam inlet of the sulfurizing tank is fixedly communicated with a gas source for compressed gas through a steam pipeline, the compressed gas is injected into the sulfurizing tank body through the steam inlet of the sulfurizing tank to cool the rubber tube, the cooled hot gas is discharged from the exhaust port above the sulfurizing tank body, and a check valve C communicated with the steam pipeline is further installed on the steam inlet of the sulfurizing tank.

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