CN201531864U - Preheating type small steam generator - Google Patents

Abstract

The utility model discloses a preheating type small steam generator, which comprises a small steam generator. The generator water inlet pipe of the small steam generator is connected with the water outlet of the hot water pump, and the water inlet of the hot water pump is connected with the water outlet of the preheating tank. connected, the preheating tank is a hollow tank body, the tank body is provided with a water inlet pipe, a temperature control probe, a water level electrode and a safety valve, the inside of the tank body is provided with a heating pipe, and the water inlet pipe is provided with a The electromagnetic valve, the hot water pump, the electromagnetic valve, the temperature control probe, the water level electrode and the heating pipe are all connected with the controller through the control line. The utility model relates to a small steam generating device capable of continuously and stably supplying steam.

Description

Preheating type small steam generator

technical field

The utility model relates to the technical field of steam generators, in particular to the technical field of small steam generators.

Background technique

Small steam generators are now widely used in small food and beverage processing industries, medical disinfection and sterilization industries, washing and ironing industries, etc. Its advantages are: easy to move, easy to operate, fully automatic control, and fast steam production. The small-sized steam generator is a hollow tank, and the top of the tank is provided with a pressure controller, a pressure gauge, a generator water level electrode and a steam outlet pipe, and the steam outlet pipe is provided with a generator safety valve and Steam valve, generator water inlet pipe and generator heating pipe are respectively arranged on both sides of the tank, vertical check valve and horizontal check valve are arranged on the generator water inlet pipe, and generator Generator blowdown pipe, the generator blowdown pipe is provided with a generator blowdown pipe valve, the outside of the tank is provided with a generator insulation layer, and the pressure controller, generator water level electrode and generator heating pipe are respectively controlled The wire is connected to the controller. The disadvantage of the small steam generator with the above structure is: due to its small water volume, when the ambient temperature is low and the feed water temperature is low, after the small steam generator automatically replenishes water, the temperature difference inside the small steam generator will change greatly , so that the steam pressure produced by the small steam generator varies greatly, which brings a lot of inconvenience to the work that requires a long-lasting and stable steam supply, and affects work efficiency and work quality.

Utility model content

The technical problem to be solved by the utility model is: to provide a preheating type small-sized steam generator capable of lasting and stable steam supply.

In order to solve the above problems, the technical solution adopted by the utility model is: a preheating small steam generator, including a small steam generator, the generator water inlet pipe of the small steam generator is connected with the water outlet of the hot water pump, and the water inlet of the hot water pump The water port is connected to the water outlet of the preheating tank, the preheating tank is a hollow tank body, the tank body is provided with a water inlet pipe, a temperature control probe, a water level electrode and a safety valve, and a heating pipe is arranged inside the tank body , the water inlet pipe is provided with a solenoid valve, and the hot water pump, solenoid valve, temperature control probe, water level electrode and heating pipe are respectively connected to the controller through control lines.

The outside of the tank body of the preheating tank is provided with an insulation layer.

The bottom of the tank body of the preheating tank is provided with a blowdown pipe, and the blowdown pipe is provided with a blowdown valve.

The small-sized steam generator is a hollow tank, and the top of the tank is provided with a pressure controller, a pressure gauge, a generator water level electrode and a steam outlet pipe, and the steam outlet pipe is provided with a generator safety valve and Steam valve, generator water inlet pipe and generator heating pipe are respectively arranged on both sides of the tank, vertical check valve and horizontal check valve are arranged on the generator water inlet pipe, and generator Generator blowdown pipe, the generator blowdown pipe is provided with a generator blowdown pipe valve, the outside of the tank is provided with a generator insulation layer, and the pressure controller, generator water level electrode and generator heating pipe are respectively controlled The wire is connected to the controller.

The utility model is equipped with a preheating tank on the generator water inlet pipe of the small steam generator, and the water preheated through the preheating tank enters the small steam generator, so that the temperature difference in the small steam generator will not change very much after water replenishment. Large, so that the small steam generator can produce steam with stable pressure.

Description of drawings

Fig. 1 is the structural representation of the utility model preheating type small steam generator;

In Figure 1: 1. Small steam generator, 2. Hot water pump, 3. Preheating tank, 4. Water inlet pipe, 5. Temperature control probe, 6. Water level electrode, 7. Safety valve, 8. Heating pipe, 9. Solenoid valve, 10, sewage pipe, 11, sewage valve, 12, insulation layer, 13, controller, 14, pressure controller, 15, pressure gauge, 16, generator water level electrode, 17, steam outlet pipe, 18, generator Generator safety valve, 19. Steam valve, 20. Generator water inlet pipe, 21. Vertical check valve, 22. Horizontal check valve, 23. Generator heating pipe, 24. Generator blowdown pipe, 25. Generator Sewage pipe valve, 26, generator insulation layer.

Detailed ways

Below in conjunction with accompanying drawing, the preheating type small-sized steam generator of the utility model is described in further detail.

As shown in Figure 1, the preheating type small-sized steam generator comprises a small-sized steam generator 1, and the described small-sized steam generator is a hollow tank, and the top of the tank is provided with a pressure controller 14, a pressure gauge 15, The generator water level electrode 16 and the steam outlet pipe 17, the generator safety valve 18 and the steam valve 19 are arranged on the steam outlet pipe 17, and the generator water inlet pipe 20 and the generator heating pipe 23 are respectively arranged on both sides of the tank body , the generator water inlet pipe 20 is provided with a vertical check valve 21 and a horizontal check valve 22, the bottom of the tank is provided with a generator drain pipe 24, and the generator drain pipe 24 is provided with a generating Generator blowdown pipe valve 25, generator insulation layer 26 is arranged outside the tank body, the pressure controller 14, generator water level electrode 16 and generator heating pipe 2 are respectively connected with the controller 13 through the control line, the small steam The generator water inlet pipe 20 of the generator 1 is connected with the water outlet of the hot water pump 2, and the water inlet of the hot water pump 2 is connected with the water outlet of the preheating tank 3, and the described preheating tank 3 is a hollow tank body, The tank body is provided with a water inlet pipe 4, a temperature control probe 5, a water level electrode 6 and a safety valve 7, a heating pipe 8 is arranged inside the tank body, a solenoid valve 9 is arranged on the water inlet pipe 4, and a solenoid valve 9 is arranged at the bottom of the tank body. There is a blowdown pipe 10 connected thereto. The blowdown pipe 10 is provided with a blowdown valve 11. The hot water pump 2, the solenoid valve 9, the temperature control probe 5, the water level electrode 6 and the heating pipe 8 pass through the control line respectively. It is connected with the controller 13, and the outside of the tank body is provided with an insulating layer 12.

The working principle of the utility model is: before use, the start-up temperature and the outlet water temperature of the preheating tank 3 are set by the controller 13, and the water level electrode 6 detects the water level height. When the water level in the preheating tank 3 is lower than the preset When the height is high, the controller 13 opens the solenoid valve 9, and water enters the tank body of the preheating tank 3 from the water inlet pipe 4. When the water level reaches a preset height, the controller 13 closes the solenoid valve 9, and the water inlet pipe 4 stops water intake; When the temperature control probe 5 detects that the water temperature in the preheating tank 3 is lower than the starting temperature, the controller 13 starts the heating tube 8 to heat the water in the preheating tank 3 . When the water temperature reaches the set water outlet temperature, the controller 13 closes the heating pipe 8 and stops heating; when the controller 13 determines the water level signal detected by the generator water level electrode 16 of the small steam generator 1, the 1 When replenishing water, the controller 13 turns on the hot water pump 2 to deliver the hot water reaching the outlet temperature in the preheating tank 3 to the small steam generator 1. When the water in the small steam generator 1 reaches the set water level, according to the small The water level signal detected by the generator water level electrode 16 of the steam generator 1, the controller 13 closes the hot water pump 2, the small steam generator 1 stops replenishing water, and opens the generator heating pipe 23 of the small steam generator 1, starts heating and Steam is generated, and when the steam in the small steam generator 1 reaches a certain pressure, the controller 13 receives a signal from the pressure controller 14 to close the generator heating pipe 23 .

The beneficial effects of the utility model are: a preheating tank 3 is arranged on the generator water inlet pipe 20 of the small steam generator 1, and the water preheated by the preheating tank 3 enters the small steam generator 1 again, so that the small steam can The temperature difference in the generator 1 will not vary greatly, so that the small steam generator 1 can generate steam with stable pressure.

Claims (4)

1. Preheating small steam generators, including small steam generators, are characterized in that: the generator water inlet pipe of the small steam generator is connected to the water outlet of the hot water pump, and the water inlet of the hot water pump is connected to the water outlet of the preheating tank connected, the preheating tank is a hollow tank body, the tank body is provided with a water inlet pipe, a temperature control probe, a water level electrode and a safety valve, the inside of the tank body is provided with a heating pipe, and the water inlet pipe is provided with There is a solenoid valve, and the hot water pump, solenoid valve, temperature control probe, water level electrode and heating pipe are respectively connected with the controller through control lines. 2. The preheating type small steam generator according to claim 1, characterized in that: the exterior of the preheating tank is provided with an insulating layer. 3. The preheating type small steam generator according to claim 1 or 2, characterized in that: the bottom of the preheating tank is provided with a sewage pipe, and the sewage pipe is provided with a sewage valve. 4. The preheating type small steam generator according to claim 1 or 2, characterized in that: the small steam generator is a hollow tank, and the top of the tank is provided with a pressure controller, a pressure gauge, The generator water level electrode and the steam outlet pipe, the generator safety valve and the steam valve are arranged on the steam outlet pipe, the generator water inlet pipe and the generator heating pipe are respectively arranged on both sides of the tank body, and the generator inlet pipe The water pipe is provided with a vertical check valve and a horizontal check valve, the bottom of the tank is provided with a generator sewage pipe, the generator sewage pipe is provided with a generator sewage pipe valve, and the outside of the tank is provided with a generator The insulation layer of the generator, the pressure controller, the water level electrode of the generator and the heating tube of the generator are respectively connected with the controller through the control line.

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