Water vapor sterilization device and medical waste treatment equipment

Abstract

The utility model provides a water vapor sterilization device and medical waste treatment equipment, and relates to the technical field of medical waste treatment. The pressure release connector is communicated with the sterilization tank; the water vapor conveying pipe is communicated with the pressure release connector; the preheating heat source device wraps the outer side of the pressure release connector; the preheating heat source device comprises a first barrel and a second barrel arranged in the first barrel in a sleeved mode, and a heat source is arranged between the first barrel and the second barrel. According to the utility model, plastic fiber substances can be effectively prevented from being condensed and accumulated, the reliability and the safety of the system are improved, and the normal operation and the production efficiency of equipment are ensured.

Description

Technical Field

[0001] This utility model relates to the field of medical waste treatment technology, and in particular to a steam sterilization device and medical waste treatment equipment. Background Technology

[0002] In existing sterilization equipment, when steam is injected into the sterilization tank through pipes, the release of pressure causes the heat around the release port to be absorbed, resulting in a decrease in the temperature of the release port. The auger stirring the material in the sterilization tank causes lightweight materials composed of plastic fibers to float, which can lead to the condensation and accumulation of these fibers, affecting the normal operation and production efficiency of the equipment. Utility Model Content

[0003] This invention provides a steam sterilization device and medical waste treatment equipment to solve the problem of plastic fiber substances condensing and accumulating inside the sterilization tank, which affects the normal operation and production efficiency of the equipment.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows:

[0005] A steam sterilization device, comprising:

[0006] Sterilization tank;

[0007] Pressure relief connector connected to the sterilization tank;

[0008] The steam delivery pipe is connected to the pressure relief connector;

[0009] A preheating heat source device wrapped around the outside of the pressure relief connector;

[0010] The preheating heat source device includes: a first cylinder and a second cylinder fitted inside the first cylinder, wherein a heat source is provided between the first cylinder and the second cylinder.

[0011] Optionally, the pressure relief connector includes: a pressure relief interface connected to the air outlet of the sterilization tank and a pressure relief channel connected to the pressure relief interface, wherein the pressure relief channel is connected to the steam delivery pipe.

[0012] Optionally, a check valve is installed between the pressure relief port and the pressure relief channel.

[0013] Optionally, the one-way valve is threadedly connected to the pressure relief port.

[0014] Optionally, the check valve is a spring-loaded check valve or an electromagnetically driven check valve.

[0015] Optionally, the steam sterilization device also includes a filter screen disposed between the pressure relief port and the one-way valve.

[0016] Optionally, the steam sterilization device further includes a controller, which is electrically connected to the one-way valve via a switching circuit, and the controller controls the opening or closing of the one-way valve via the switching circuit.

[0017] Optionally, the switching circuit includes:

[0018] A transistor connected between the one-way valve and electrical ground;

[0019] A first resistor connected between the transistor and electrical ground;

[0020] An operational amplifier, the output of which is connected to the gate of a transistor via a second resistor and a capacitor.

[0021] Optionally, a steam valve is provided on the steam delivery pipe.

[0022] This utility model also provides a medical waste treatment device, including the steam sterilization device described above.

[0023] The above-described solution of this utility model has at least the following beneficial effects:

[0024] The present invention includes a sterilization tank; a pressure relief connector connected to the sterilization tank; a steam delivery pipe connected to the pressure relief connector; and a preheating heat source device wrapped around the outside of the pressure relief connector. The preheating heat source device includes a first cylinder and a second cylinder fitted inside the first cylinder, with a heat source provided between the first cylinder and the second cylinder. The present invention effectively prevents the accumulation of plastic fiber substances, improves the reliability and safety of the system, and ensures the normal operation and production efficiency of the equipment. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the steam sterilization device provided in an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the circuit structure of the switching circuit provided in an embodiment of this utility model;

[0027] Figure 3 This is a schematic diagram of the control circuit of the controller provided in an embodiment of this utility model. Detailed Implementation

[0028] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0029] like Figure 1 As shown, an embodiment of this utility model provides a steam sterilization device, comprising:

[0030] Sterilization tank 1;

[0031] The pressure relief connector is connected to the sterilization tank 1;

[0032] The steam delivery pipe 5 is connected to the pressure relief connector;

[0033] The preheating heat source device 4 is wrapped around the outside of the pressure relief joint;

[0034] The preheating heat source device 4 includes: a first cylinder and a second cylinder fitted inside the first cylinder, with a heat source provided between the first cylinder and the second cylinder.

[0035] In this embodiment, the steam sterilization device includes a sterilization tank 1, a pressure relief connector, a steam delivery pipe 5, and a preheating heat source device 4. The sterilization tank 1 is fixedly connected to the pressure relief connector, and the sterilization tank 1 is connected to the pressure relief connector. The pressure relief connector is connected to the steam delivery pipe 5. The pressure relief connector is wrapped with the preheating heat source device 4, which is a combination structure of two concentric cylinders. A heat source is provided between the two cylinders. The heat source can be a heating tape, a heating plate, a metal heating material, a ceramic heating material, or other heating materials.

[0036] When water vapor is injected into sterilization tank 1 through water vapor delivery pipe 5 and pressure relief connector, the pressure relief connector is preheated by the preheating heat source device 4 before operation to keep the pressure relief connector at the same temperature as the water vapor. This prevents the temperature difference caused by the drop in water vapor temperature, which could lead to the condensation and accumulation of plastic fiber materials inside sterilization tank 1, affecting the normal operation of the equipment and production efficiency.

[0037] like Figure 3 The control circuit of the controller is shown. The control circuit includes: inductors L11, L12, L13, L21, L22, L23, capacitors C1, C2, C3, controllable switch K1, three-phase power converter 71, and electric control switch 72.

[0038] The three input terminals of inductors L11, L12, and L13 are electrically connected to the three-phase power supply terminals R, S, and T, respectively. Their three output terminals are electrically connected to the first terminals of inductors L21, L22, and L23, respectively. Capacitor C1 is electrically connected between the second terminals of inductors L21 and L22, capacitor C2 is electrically connected between the second terminals of inductors L22 and L23, and capacitor C3 is electrically connected between the second terminals of inductors L23 and L24. The controllable switch K1 is electrically connected between the output terminal of inductor L11 and the first terminal of inductor L21, or the controllable switch K1 is electrically connected between the second terminal of inductor L21 and the first terminal of capacitor C1, or the controllable switch K1 is electrically connected between the second terminal of inductor L21 and the first terminal of capacitor C3; the control switch 73 is electrically connected to the control terminal of the controllable switch K1, and can control the controllable switch K1 to disconnect when the three-phase power converter 71 is in standby mode.

[0039] The steam sterilization device in this embodiment uses a preheating heat source device 4 to preheat the steam and maintain a constant steam temperature. This effectively prevents the condensation and accumulation of plastic fiber materials, improves the reliability and safety of the system, and ensures the normal operation and production efficiency of the equipment.

[0040] In an optional embodiment of this utility model, the pressure release connector includes: a pressure release interface 21 connected to the air outlet of the sterilization tank 1 and a pressure release channel 22 connected to the pressure release interface 21, wherein the pressure release channel 22 is connected to the steam conveying pipe 5.

[0041] In an optional embodiment of this utility model, a one-way valve 3 is installed between the pressure release port 21 and the pressure release channel 22.

[0042] In the above embodiments, such as Figure 1 As shown, the pressure relief connector includes a pressure relief interface 21 connected to the air outlet of the sterilization tank 1 and a pressure relief channel 22 connected to the pressure relief interface 21. A one-way valve 3 is installed between the pressure relief interface 21 and the pressure relief channel 22. The one-way valve 3 is threadedly connected to the pressure relief interface 21. The pressure relief channel 22 is connected to the steam delivery pipe 5.

[0043] One-way valve 3 is either a spring-loaded or electromagnetically driven one-way valve, ensuring that gas flow is only permitted when needed inside sterilization tank 1, avoiding unnecessary contamination and blockage risks. One-way valve 3 is electrically connected to the controller, which controls its opening and closing, thereby controlling the opening and closing of the pressure relief connector. Upon receiving a command to open one-way valve 3, the controller quickly and accurately executes the corresponding operation, opening the valve. After completing the steam injection task, it immediately triggers the automatic closing mechanism of one-way valve 3 to avoid potential safety hazards.

[0044] In an optional embodiment of the present invention, the steam sterilization device further includes a filter screen, which is disposed between the pressure release port 21 and the one-way valve 3.

[0045] In this embodiment, a filter screen is also provided between the pressure relief port 21 and the one-way valve 3. For lightweight floating objects composed of plastic fiber materials, which have a very low melting point and are prone to melting and forming condensate in high-temperature environments, the filter screen intercepts the lightweight floating objects to prevent the condensate from blocking the pressure relief channel 22.

[0046] In an optional embodiment of this utility model, the steam sterilization device further includes a controller, which is electrically connected to the one-way valve 3 via a switching circuit, and the controller controls the opening or closing of the one-way valve 3 via the switching circuit.

[0047] In an optional embodiment of this utility model, the switching circuit includes:

[0048] Transistor Q is connected between the one-way valve 3 and the electrical ground.

[0049] A first resistor R1 is connected between the transistor Q and electrical ground;

[0050] Operational amplifier A, the output of which is connected to the gate of transistor Q via a second resistor R2 and a capacitor C.

[0051] In the above embodiment, the controller is electrically connected to the one-way valve 3 via a switching circuit, such as... Figure 2 The diagram shows the circuit structure of the switching circuit. One-way valve 3 is electrically connected to transistor Q. A first resistor R1 is electrically connected between transistor Q and ground. The output of operational amplifier A is connected to the gate of transistor Q via a second resistor R2 and capacitor C. Va is the supply voltage, and V... H This is the negative control voltage for operational amplifier A.

[0052] When the driving voltage of operational amplifier A increases to near the positive saturation voltage +Vcc, transistor Q is in a positive saturation state, and the switching circuit is in a closed state.

[0053] When the drive voltage of operational amplifier A is increased only to the turn-on voltage, the turn-on voltage corresponds to transistor Q turning on, transistor Q is in a linear state, and the switching circuit is based on the control voltage V. H Servo control is applied to check valve 3.

[0054] In an optional embodiment of this utility model, a steam valve 6 is provided on the steam conveying pipe 5.

[0055] In this embodiment, a steam valve 6 is provided on the steam delivery pipe 5. The steam valve 6 is a control switch between the steam generator and the steam delivery pipe 5. The opening or closing of the steam delivery pipe 5 is controlled by the steam valve 6, thereby controlling the start or stop of steam input.

[0056] In an optional embodiment of this utility model, the sterilization tank 1 has a double-layer structure.

[0057] In this embodiment, the sterilization tank 1 adopts a double-layer structure. The inner layer is in direct contact with high-temperature steam and materials and is made of corrosion-resistant and high-temperature-resistant stainless steel. The outer layer serves as an insulation layer, and the space between the two layers is filled with heat-insulating material (such as rock wool or polyurethane) to effectively reduce heat loss and lower energy consumption.

[0058] An optional embodiment of this utility model provides a medical waste treatment device, including the steam sterilization device described above.

[0059] In this embodiment, the steam sterilization device is a component of the medical waste treatment equipment. The main function of the steam sterilization device in the medical waste treatment equipment is to use high-temperature steam to kill pathogens in medical waste and ensure that the waste reaches a sterile state before subsequent treatment or discharge.

[0060] The double-layer structure allows for more precise temperature control in sterilization tank 1, ensuring that the packaged goods are not damaged or deformed during the heating, heat preservation, and cooling stages. It also reduces external temperature interference and maintains a stable sterilization environment. The double-layer structure enhances the tank's pressure resistance, making it suitable for high-pressure sterilization and extending the equipment's lifespan.

[0061] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A steam sterilization device, characterized in that, include: Sterilization tank (1); A pressure relief connector connected to the sterilization tank (1); A steam delivery pipe (5) connected to the pressure relief connector; The preheating heat source device (4) is wrapped around the outside of the pressure relief joint; The preheating heat source device (4) includes: a first cylinder and a second cylinder fitted inside the first cylinder, wherein a heat source is provided between the first cylinder and the second cylinder.

2. The steam sterilization device according to claim 1, characterized in that, The pressure relief connector includes: a pressure relief interface (21) connected to the air outlet of the sterilization tank (1) and a pressure relief channel (22) connected to the pressure relief interface (21), wherein the pressure relief channel (22) is connected to the steam delivery pipe (5).

3. The steam sterilization device according to claim 2, characterized in that, A one-way valve (3) is installed between the pressure relief port (21) and the pressure relief channel (22).

4. The steam sterilization device according to claim 3, characterized in that, The one-way valve (3) is threadedly connected to the pressure relief port (21).

5. The steam sterilization device according to claim 3, characterized in that, The one-way valve (3) is a spring-loaded one-way valve or an electromagnetically driven one-way valve.

6. The steam sterilization device according to claim 3, characterized in that, It also includes a filter screen, which is disposed between the pressure relief port (21) and the one-way valve (3).

7. The steam sterilization device according to any one of claims 3 to 6, characterized in that, Also includes: The controller is electrically connected to the one-way valve (3) via a switching circuit, and the controller controls the opening or closing of the one-way valve (3) via the switching circuit.

8. The steam sterilization device according to claim 7, characterized in that, The switching circuit includes: A transistor (Q) is connected between the one-way valve (3) and the electrical ground; A first resistor (R1) is connected between the transistor (Q) and electrical ground; An operational amplifier (A) is connected to the gate of a transistor (Q) via a second resistor (R2) and a capacitor (C).

9. The steam sterilization device according to claim 1, characterized in that, A steam valve (6) is installed on the steam delivery pipe (5).

10. A medical waste treatment device, characterized in that, Includes the steam sterilization device as described in any one of claims 1 to 9.

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