Efficient saturated steam generator device

By using a spiral-wound heating tube and water inlet pipe design, combined with a temperature sensor and temperature control switch, the problems of slow speed and high cost of existing steam generators are solved, achieving efficient and safe steam generation.

CN224284566UActive Publication Date: 2026-05-26SHANDONG BROKE DISINFECTION EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG BROKE DISINFECTION EQUIP CO LTD
Filing Date
2025-03-07
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing steam generators have long steam generation time, slow steam production rate, high equipment cost, and large size.

Method used

The design employs a spirally wound heating element and water inlet pipe, using the shell as a heat transfer medium to increase the contact area between the water and the heating element. Combined with a temperature sensor and temperature control switch, it achieves rapid heating and control while ensuring safety.

Benefits of technology

It increases the steam generation rate, reduces equipment cost and size, while ensuring safe and efficient steam generation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224284566U_ABST
    Figure CN224284566U_ABST
Patent Text Reader

Abstract

The utility model relates to an efficient saturated steam generator device which comprises a heating unit, and the heating unit comprises a heat-conducting shell with a groove formed in the top face, a heating pipe located in the shell and spirally wound on the groove, and a water inlet pipe spirally wound on the outer circumferential face of an inner cavity of the shell. When the steam generator is used, the heating pipe is arranged to heat the shell, the shell transmits heat to the water inlet pipe, water in the water inlet pipe is vaporized to form steam, the water inlet pipe is spirally arranged, and the contact area of the water and the spiral pipe is increased, so that the water is vaporized quickly, the steam generation time is shortened, and the steam generation speed is increased; as the shell serves as a heat conduction medium between the heating pipe and the water inlet pipe, compared with the complex installation that the heating pipe and the water inlet pipe are directly connected for heat conduction, the arrangement of the shell facilitates installation of the heating pipe and the water inlet pipe, and meanwhile the heating temperature of the heating pipe to the water inlet pipe can be conveniently monitored by monitoring the temperature of the shell.
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Description

Technical Field

[0001] This utility model relates to the field of heating, and more particularly to the field of saturated steam generation technology, specifically referring to a high-efficiency saturated steam generator device. Background Technology

[0002] High-pressure steam sterilization is a commonly used sterilization method on the market. High-temperature and high-pressure sterilization can kill not only common bacteria and fungi, but also spores and endospores, making it the most reliable and widely used physical sterilization method. It is mainly used for heat-resistant items such as culture media, metal instruments, glass, enamelware, dressings, rubber, and some pharmaceuticals. During sterilization, an internal or external steam generator is required to continuously supply saturated steam to the sterilization chamber, ensuring the chamber is saturated and reaches the set sterilization temperature. Currently, the main steam-generating equipment is various types of steam boilers. However, since the water tanks of steam boilers are mostly pressure vessels, they are expensive, bulky, produce steam with high moisture content, and generate steam slowly. Utility Model Content

[0003] This invention addresses the shortcomings of existing technologies by providing a high-efficiency saturated steam generator device, solving the problems of long steam generation time, slow steam generation rate, and unsaturated steam in existing steam generators.

[0004] This utility model is achieved through the following technical solution: a high-efficiency saturated steam generator device, including a heating unit, the heating unit including a shell with a groove on the top surface and thermal conductivity, a heating tube located inside the shell and spirally wound on the groove, and a water inlet pipe spirally wound on the outer circumferential surface of the inner cavity of the shell.

[0005] In use, this invention heats the shell through the heating tube, which then transfers heat to the water inlet pipe. The water in the water inlet pipe vaporizes to form steam. Because the water inlet pipe is spirally designed, the contact area between the water and the spiral tube is increased, resulting in rapid vaporization, reducing steam generation time, and increasing the steam generation rate. At the same time, the heating tube is also spirally designed, increasing the contact area with the shell, thereby achieving rapid heating of the shell. The shell acts as a heat conduction medium between the heating tube and the water inlet pipe. Compared to the installation complexity of directly connecting the heating tube and the water inlet pipe, the shell design in this solution facilitates the installation of the heating tube and the water inlet pipe, and also facilitates monitoring the heating temperature of the water inlet pipe by the heating tube by monitoring the temperature of the shell.

[0006] Preferably, the inlet pipe has an inlet and an outlet at both ends, with the inlet located below the outlet.

[0007] This preferred solution involves transporting water from bottom to top, which facilitates increasing the heat conduction time and also allows the generated steam to flow upwards.

[0008] Preferably, the heating device includes a spiral outer tube and an electric heating wire inside the spiral outer tube.

[0009] This preferred solution achieves its heating function through the installation of a heating wire.

[0010] Preferably, the top surface of the housing is provided with several process positioning grooves arranged along the axial direction of the groove, and the bottom surface of the housing is provided with support feet to support the housing.

[0011] This preferred solution facilitates shell forming and gripping through the setting of the process positioning groove. At the same time, the setting of the process positioning groove can also serve as a positioning hole for the shell in the use state. The setting of the support feet facilitates the placement and positioning of the shell.

[0012] Preferably, the housing is threadedly connected to a temperature sensor and a temperature control switch for detecting the housing temperature, with the temperature control switch located on the conductive circuit of the heating wire.

[0013] This preferred solution uses a temperature sensor to monitor the shell temperature in real time. After the temperature is heated to the predetermined temperature, water is injected. At this time, the shell and water inlet pipe are at a high temperature, which can quickly generate saturated steam. The temperature control switch prevents the dangerous situation of continuous heating due to overheating when the temperature sensor fails.

[0014] Preferably, the housing has mounting notches located directly above the water inlet and directly below the water outlet, and the temperature control switch is threaded into the mounting notch.

[0015] This preferred solution facilitates the installation of temperature control switches by providing mounting notches. Furthermore, the provision of two mounting notches allows for the installation of two temperature control switches. Alternatively, depending on the installation location of the housing, a suitable mounting notch can be selected to install the temperature control switch while avoiding interference.

[0016] Preferably, the housing is coaxially arranged with the groove, and a threaded hole coaxially arranged with the groove is opened on the bottom surface of the housing, and the probe of the temperature sensor is threadedly connected in the threaded hole.

[0017] This preferred solution facilitates the fixing of the temperature sensor probe on the housing by providing a threaded hole.

[0018] The beneficial effects of this utility model are as follows: the heating tube heats the shell, which then transfers heat to the water inlet pipe. The water in the water inlet pipe vaporizes to form steam. Because the water inlet pipe is spirally designed, the contact area between the water and the spiral tube is increased, resulting in rapid vaporization, reducing steam generation time, and increasing the steam generation rate. At the same time, the heating tube is also spirally designed, increasing the contact area with the shell, thereby achieving rapid heating of the shell. The shell acts as a heat conduction medium between the heating tube and the water inlet pipe. Compared to the installation complexity of directly connecting the heating tube and the water inlet pipe, the shell design in this solution facilitates the installation of the heating tube and the water inlet pipe. It also facilitates monitoring the heating temperature of the water inlet pipe by the heating tube by monitoring the shell temperature. The shell temperature is monitored in real time by a temperature sensor. After the temperature reaches the predetermined temperature, water is injected. At this time, the shell and the water inlet pipe are at a high temperature, which can quickly generate saturated steam. The temperature control switch prevents dangerous overheating and continuous heating when the temperature sensor fails. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the heating unit of this utility model;

[0020] Figure 2 This is a three-dimensional structural diagram of the heating unit of this utility model from another angle;

[0021] Figure 3 This is a top view of the heating unit of this utility model;

[0022] Figure 4 This is a cross-sectional schematic diagram of the heating unit of this utility model;

[0023] As shown in the figure:

[0024] 1. Shell, 2. Groove, 3. Water inlet pipe, 4. Water inlet, 5. Water outlet, 6. Heating tube, 7. Mounting notch, 9. Process positioning groove, 10. Support foot, 11. Threaded hole. Detailed Implementation

[0025] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0026] See attached document Figure 1-4 This utility model discloses a high-efficiency saturated steam generator device, which includes one or two heating units. The heating unit includes a shell 1 with a groove 2 on the top surface and thermal conductivity, a heating pipe 6 located inside the shell 1 and spirally wound on the groove 2, and a water inlet pipe 3 spirally wound on the outer circumferential surface of the inner cavity of the shell 1.

[0027] The water inlet pipe 3 has an inlet 4 and an outlet 5 at its two ends, with the inlet 4 located below the outlet 5. The heating device includes a spiral outer tube and an electric heating wire inside the spiral outer tube.

[0028] The top surface of the housing 1 is also provided with several process positioning grooves 9 arranged along the axial direction of the groove 2, and the bottom surface of the housing 1 is provided with support feet 10 for supporting the housing 1.

[0029] A temperature sensor and a temperature control switch for detecting the temperature of the housing 1 are threadedly connected to the housing 1. The temperature control switch is set on the conductive circuit of the heating wire.

[0030] The housing 1 has an installation notch 7 located directly above the water inlet 4 and directly below the water outlet 5. The temperature control switch is threaded into the installation notch 7.

[0031] The housing 1 and the groove 2 are arranged coaxially. A threaded hole 11 coaxially arranged with the groove 2 is provided on the bottom surface of the housing 1. The probe of the temperature sensor is threadedly connected in the threaded hole 11.

[0032] In use, the heating wire is energized to generate heat, and the heat radiation is transferred to the housing 1. A temperature sensor and a temperature control switch are installed on the housing 1. The temperature sensor is used to monitor the heater temperature in real time. The temperature control switch acts as a barrier to prevent dangerous overheating and continuous heating if the temperature sensor fails.

[0033] When the temperature detected by the temperature sensor in the heater reaches the preset temperature, water is injected from the water inlet 4 of the evaporator through a high-pressure water pump or other water injection pump. The heating tube 6 is spiral-shaped with a large heating area. The water vaporizes rapidly as it passes through the pipe, thereby generating saturated steam.

[0034] Both the heating element 6 and the water inlet pipe 3 are spiral-shaped, and the shell 1 and the heating element 6 can fit together tightly. It generates steam quickly, has a compact structure, and the injected water simultaneously generates steam within the pipes, eliminating the need for water to remain within the pipes, resulting in extremely high efficiency and energy savings.

[0035] The shell 1 is made of aluminum, which has the greatest advantage of good thermal conductivity and fast heat conduction. The heat generated by the heating tube 6 can maximize the energy provided for the vaporization of water inside the heating tube 6.

[0036] This structure features a simple and compact heating element and piping, with a small overall size. The housing 1 is made of aluminum, which has excellent thermal conductivity. The structure allows for rapid steam generation within the piping, with water injection simultaneously generating steam within the piping. No water needs to remain within the piping, resulting in extremely high efficiency and energy savings. It can be widely used in industrial heat sources, medical applications, and household applications.

[0037] Of course, the above description is not limited to the examples above. Technical features of this utility model not described can be implemented by or using existing technology, and will not be repeated here. The above embodiments and drawings are only used to illustrate the technical solution of this utility model and are not intended to limit this utility model. This utility model has been described in detail with reference to preferred embodiments. Those skilled in the art should understand that any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model do not depart from the spirit of this utility model and should also fall within the protection scope of the claims of this utility model.

Claims

1. A high-efficiency saturated steam generator device, characterized in that: The heating unit includes a housing (1) with a groove (2) on the top surface and thermal conductivity, a heating tube (6) located inside the housing (1) and spirally wound on the groove (2), and a water inlet pipe (3) spirally wound on the outer circumferential surface of the inner cavity of the housing (1). The heating element includes a spiral outer tube and an electric heating wire inside the spiral outer tube; A temperature sensor and a temperature control switch for detecting the temperature of the housing (1) are threadedly connected to the housing (1). The temperature control switch is set on the conductive circuit of the heating wire.

2. The high-efficiency saturated steam generator device according to claim 1, characterized in that: The inlet pipe (3) has an inlet (4) and an outlet (5) at its two ends, with the inlet (4) located at the lower end of the outlet (5).

3. The high-efficiency saturated steam generator device according to claim 1, characterized in that: The top surface of the housing (1) is also provided with several process positioning grooves (9) arranged along the axial direction of the groove (2), and the bottom surface of the housing (1) is provided with support feet (10) to support the housing (1).

4. The high-efficiency saturated steam generator device according to claim 1, characterized in that: The housing (1) has an installation notch (7) located directly above the water inlet (4) and directly below the water outlet (5), and the temperature control switch is threaded into the installation notch (7).

5. The high-efficiency saturated steam generator device according to claim 1, characterized in that: The housing (1) is coaxially arranged with the groove (2), and a threaded hole (11) coaxially arranged with the groove (2) is provided on the bottom surface of the housing (1). The probe of the temperature sensor is threadedly connected in the threaded hole (11).