CN211934266U - High-low temperature combined type treatment equipment - Google Patents

Abstract

The application provides a high low temperature combined type treatment facility includes: an air compressor for absorbing air from the outside and pressurizing; a dryer for removing moisture from the pressurized gas; the storage tank group comprises a first storage tank and a second storage tank, wherein the first storage tank is used for receiving the pressurized normal-temperature dry gas from the dryer, the liquid cold working medium is stored in the first storage tank, and the second storage tank is used for heating the pressurized normal-temperature dry gas; a treatment member provided on a communication pipe between the tank group and the dryer, and communicating with the tank group via a valve assembly; and a controller for controlling the valve assembly to effect mixing of the working fluid from the first reservoir and the second reservoir. By utilizing the treatment equipment, the mixture of the low-temperature working medium from the first storage tank and the high-temperature working medium from the second storage tank in different proportions can be controlled through the opening and closing and the flow control of the valve assembly, and the working media with different flow, temperature and pressure can be obtained to flow through the treatment part.

Description

High-low temperature combined type treatment equipment

Technical Field

The utility model relates to an energy treatment technical field to more specifically, relate to a high low temperature combined type treatment facility.

Background

The existing high-temperature heating treatment equipment and low-temperature freezing treatment equipment are more in variety, but the high-temperature and low-temperature combined treatment equipment on the market is less. The high-low temperature combined type treatment equipment can realize the treatment in a wide temperature zone range, and different treatment temperatures are provided according to the requirements of a targeted tissue treatment scheme. When treating the tumour, the ultra-low temperature cryoablation is implemented to the tumour tissue in advance, then the huge difference in temperature is formed by fast switching high temperature thermotherapy, realize the thorough kill and kill to the tumour tissue of treatment area, the advantage of deep cryogenic cryoablation and high temperature thermotherapy has been integrated to this scheme, when showing the treatment effect that improves tumour ablation, expand the kill and kill scope of treatment, more solved in the past single cryoablation and the thermal ablation product treatment thoroughly easily relapse inadequately, the needle track easily bleeds, needle track has a series of problems such as tumour planting risk, not only can exert the advantage of cryoablation, the advantage of hyperthermia has been absorbed, still compensatied the not enough of pure hyperthermia and cryotherapy, the safety and effectiveness of operation has been promoted. The research shows that: the efficiency of killing tumor tissues can be greatly improved by heating during freezing. The combined use of hyperthermia and cold therapy has played a major clinical role as a treatment modality that has recently emerged in connection with cryosurgery.

At present, liquid nitrogen and absolute ethyl alcohol are respectively used as high-low temperature compound tumor minimally invasive treatment equipment of low-temperature working media and high-temperature working media, the two working media flow in the same circulation path in a treatment part in a time-sharing manner, and the targeted tissue part undergoes gas-liquid two-phase change to realize heat exchange so as to implement treatment. However, the two working media cannot be mixed to control the temperature, the temperature control means is limited, and the two states of the working media flow in the same flow channel, which brings great difficulty to the product design and makes the product process more complex.

SUMMERY OF THE UTILITY MODEL

To the problem among the above-mentioned prior art, this application has proposed a neotype high low temperature combined type treatment facility, and it has the working medium state that the kind is still less, can control the temperature of treatment part in a flexible way according to the demand in order to realize the purpose of disease treatment to reduce the working medium kind that needs outsourcing, the cost is reduced.

The utility model provides a high low temperature combined type treatment facility, include: an air compressor for absorbing air from the outside and pressurizing; a dryer for removing moisture from the pressurized gas; the storage tank group comprises a first storage tank and a second storage tank, wherein the first storage tank and the second storage tank are used for receiving the pressurized normal-temperature dry gas from the dryer, the first storage tank stores liquid cold working medium, and the second storage tank is used for heating the pressurized normal-temperature dry gas; a treatment member provided on a communication line between the tank group and the dryer, and communicating with the tank group via a valve assembly; and a controller for controlling the valve assembly to effect mixing of working fluid from the first and second reservoirs. By utilizing the treatment equipment, the mixture of the low-temperature working medium from the first storage tank and the high-temperature working medium from the second storage tank in different proportions can be controlled through the opening and closing and the flow control of the valve assembly, and the working media with different flow, temperature and pressure can be obtained to flow through the treatment part.

In one embodiment, the valve assembly comprises: the first valve is arranged on a pipeline between the first storage tank and the treatment part and is used for controlling the gas working medium from the first storage tank to enter the treatment part; the second valve is arranged on a pipeline between the first storage tank and the treatment part and is used for controlling the liquid cold working medium from the first storage tank to enter the treatment part; and a third valve for controlling the heated pressurized dry gas from the second reservoir into the treatment member; the controller can realize the mixing of working media by controlling the opening and closing of the first valve, the second valve and the third valve and controlling the flow. Through the implementation mode, the outflow of the gaseous low-temperature working medium can be controlled through the first valve and/or the outflow of the liquid cold working medium can be controlled through the second valve, and the outflow of the high-temperature gaseous working medium can be controlled through the third valve, so that the mixing of different proportions of the working media is realized, and the flow, the temperature and the pressure of the working media are controlled.

In one embodiment, the valve assembly further comprises a fourth valve arranged on a connection line between the first tank and the dryer, along which connection line working medium can enter the dryer via the fourth valve. Through the embodiment, the gaseous working medium in the first storage tank can partially and directly flow into the dryer, and the drying effect of the dryer is improved.

In one embodiment, the treatment apparatus further comprises an oil-gas separator disposed between the air compressor and the dryer, the oil-gas separator for removing oil from the pressurized gas.

In one embodiment, the treatment apparatus further comprises a filter disposed between the dryer and the tank set, the filter for removing solid particles from the pressurized gas.

In one embodiment, the second tank comprises a heating device, which is arranged inside the second tank or around an outer wall of the second tank. By this embodiment, the gas entering the second tank can be heated.

In one embodiment, the pipeline of the treatment component and the dryer are provided with an exhaust valve. By this embodiment, the gases exiting the treatment apparatus can be passed into the dryer or via the exhaust valve to the environment, as the case may be.

In one embodiment, the air compressor is one of a screw type, a piston type, a centrifugal type, and a combination thereof.

In one embodiment, the air compressor is single-stage compression or multi-stage compression.

In one embodiment, the liquid cold working fluid is one of liquid nitrogen, liquid oxygen, liquid methane, liquid argon, liquid neon, liquid helium, liquefied nitrous oxide, liquefied carbon dioxide, and freon.

In one embodiment, the air compressor is used to absorb air from the outside and pressurize it.

Compared with the prior art, the high-low temperature combined type treatment equipment provided by the utility model can mix low-temperature gas, low-temperature liquid and high-temperature gas in different proportions through respective valve control, obtains mixed working media with different flow rates and temperatures to flow through the treatment part, and achieves the purpose of treatment, thereby realizing the effect of flexibly controlling the temperature of the treatment part according to the treatment condition, and the treatment equipment uses fewer working media with simple structure; and air is used for pressurization, so that the types of working media needing outsourcing are reduced, and the cost is reduced.

The above-mentioned technical characteristics can be combined in various suitable ways or replaced by equivalent technical characteristics as long as the purpose of the invention can be achieved.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 shows a schematic structural diagram of a high-low temperature composite treatment device according to an embodiment of the present invention;

fig. 2 shows a schematic view of a working medium flowing through a dryer according to an embodiment of the present invention.

List of reference numerals:

100-high and low temperature composite treatment equipment; 110-an air compressor; 120-oil-gas separator; 130-a dryer; 140-a filter; 150-tank group; 151-a first reservoir; 152-a second reservoir; 153-a first valve; 154-a second valve; 155-a third valve; 156-a fourth valve; 157-a heating device; 160-a treatment member; 170-exhaust valve; 180-a first return line; 190-a second return line; 200-a water discharge valve.

In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a high-low temperature composite treatment apparatus 100 provided by the present invention. As shown in fig. 1, the treatment apparatus 100 comprises an air compressor 110, a dryer 130, a tank set 150, a treatment member 160, and a controller (not shown), wherein the tank set 150 comprises a first tank 151 and a second tank 152, and a portion of the gaseous working fluid flowing out of the dryer 130 enters the first tank 151 and another portion enters the second tank 152. The first storage tank 151 stores a cold working medium, which is used for cooling the gas working medium entering the storage tank on one hand and is used for flowing through the treatment component 160 as a liquid working medium on the other hand; the second reservoir 152 includes a heating device 157 for heating the gaseous working fluid entering the reservoir to flow through the treatment member 160 as a hot working fluid.

Specifically, during use, the air compressor 110 absorbs gas (e.g., air) from the outside and pressurizes the gas to obtain pressurized high-temperature gas, the pressurized high-temperature gas then enters the dryer 130 to exchange heat with a working medium of low-temperature gas (described in detail later) from the first storage tank 151, moisture in the pressurized high-temperature gas is removed by the principle of a freeze dryer, the pressurized high-temperature gas is cooled, the pressurized normal-temperature dry gas obtained is discharged from the dryer 130, and the pressurized normal-temperature dry gas is divided into two parts, namely, one part enters the first storage tank 151 and the other part 152 enters the second storage tank 152, and the two parts enter the storage tank set 150.

Preferably, an oil-gas separator 120 may be disposed between the air compressor 110 and the dryer 130, so as to remove oil from the air compressor 110 in the high-pressure gas, ensure cleaning of subsequent equipment, avoid pipeline blockage, and improve service life of the equipment.

Preferably, a filter 140 may be disposed between the dryer 130 and the tank group 150 for removing solid particles from the dried high-pressure normal-temperature gas to prevent subsequent equipment and pipelines from being clogged.

In the embodiment of the present application, the first storage tank 151 stores a liquid cooling medium, and a first pipeline and a second pipeline are respectively disposed between the first storage tank 151 and the treatment member 160, wherein a first valve 153 is disposed on the first pipeline, and a second valve 154 is disposed on the second pipeline. The high-pressure normal-temperature dry gas entering the first storage tank 151 can push the liquid cold working medium to flow through the treatment part 160 along the second pipeline by using high pressure on one hand, and can be mixed with the gaseous cold working medium generated by phase change of the liquid cold working medium to form a mixed gas working medium to flow through the treatment part 160 along the first pipeline on the other hand, and the working medium in two states flowing through the treatment part 160 is used as a low-temperature working medium. A controller (not shown) can control the opening and closing of the first valve 153 and the second valve 154 and the flow rate according to the temperature requirement of the target tissue site to realize the mixing of working media in two states in different proportions.

The second reservoir 152 may include a heating device 157, and a third line is provided between the second reservoir 152 and the treatment member 160, on which a third valve 155 is provided. The heating device 157 can heat the high-pressure normal-temperature dry gas entering the second storage tank 152 to obtain high-pressure high-temperature dry gas, and the high-pressure high-temperature dry gas can flow through the treatment member 160 along the third pipeline, and the high-pressure high-temperature dry gas flowing through the treatment member 160 can be used as a high-temperature working medium. The controller can control the opening and closing and the flow of the third valve 155 according to the temperature requirement of the target tissue part to realize the mixing of the working medium from the first storage tank 151 and the working medium in different proportions.

That is, the controller can control the switches and the flow of the flow control working medium in the first valve 153, the second valve 154 and the third valve 155 according to the requirement, so as to realize the mixing of working media in different states in different proportions. Here, the first valve 153, the second valve 154, and the third valve 155 are preferably proportional valves. The first valve 153 and the second valve 154 may be opened at the same time or one of them, wherein it should be understood by those skilled in the art that the temperature of the liquid cold working medium is constant and the heat capacity is large, and the liquid cold working medium is more suitable for being used as a low-temperature working medium.

Preferably, the liquid refrigerant may be one of liquid nitrogen (-196 ℃, the boiling point at normal pressure, the same applies hereinafter), liquid oxygen (-183 ℃), liquid methane (-161 ℃), liquid argon (-186 ℃), liquid neon (-246 ℃), liquid helium (-269 ℃), liquefied nitrous oxide (-88.5 ℃), liquefied carbon dioxide (-79 ℃) and freon (-50 ℃ to-128 ℃).

Preferably, the temperature of the high-pressure normal-temperature dry gas introduced into the second storage tank 152 after being heated by the heating device 157 may be 60 ℃ or higher (protein denaturation temperature).

It should be understood that the heating device 157 may take a variety of different forms. For example, the heating device 157 of the second storage tank 152 may be a heater disposed inside the second storage tank 152, or may be a heating pipe surrounding the outer wall of the tank body of the second storage tank 152.

The mixed working fluid flowing through the treatment member 160 can then be selectively discharged into the environment or into the dryer 130 via the first return line 180 depending on the state of the working fluid. Specifically, the working medium discharged from the therapeutic component 160 is vaporized along the tube pass of the first return line 180, and the discharged gas enters the dryer 130 or is directly discharged into the environment according to the temperature: if the exhaust temperature is relatively low, this portion of the gas enters the dryer 130 for cooling the high pressure gas; if the exhaust temperature is relatively high, this portion of the gas is vented directly to the environment through an exhaust valve 170 disposed in a first return line 180.

In another preferred embodiment, the first storage tank 151 and the dryer 130 may communicate through the second return line 190, and the fourth valve 156 is provided on the second return line 190, so that if the low temperature gas required by the dryer 130 is not enough, the required low temperature gas may be supplemented from the first storage tank 151 through the fourth valve 156. Preferably, the fourth valve 156 is a proportional valve.

Fig. 2 is a schematic diagram of a drying process of the dryer 130 according to an embodiment of the present application. In fig. 2, the dryer 130 is preferably in the form of a counter-flow heat exchanger, and the high-pressure and high-temperature gas from the air compressor 110 is cooled and dried by counter-flow heat exchange with the low-temperature mixed gas provided from the treatment unit 160 and/or the first storage tank 151. The generated high-pressure low-temperature drying gas enters the dryer 130 to perform countercurrent heat exchange with the high-pressure gas, so that the high-pressure low-temperature drying gas is changed into high-pressure normal-temperature drying gas, the cold quantity is recovered, the dryer 130 can reach lower temperature, and a better drying effect is realized. In this process, the low-temperature mixed gas is converted into a normal-temperature gas and discharged into the environment, and moisture is discharged through the drain valve 200.

Preferably, a heat exchanger may be further disposed between the air compressor 110 and the dryer 130, and the heat exchanger may further cool the high-pressure and high-temperature gas from the air compressor 110, so as to ensure better drying and cooling after passing through the dryer 130.

Preferably, the ambient gas utilized in the present application may be a variety of different gases, such as oxygen, nitrogen, argon, methane, carbon dioxide, or air. Preferably, the gas is air, and in this way, the treatment process can be implemented at any time and any place without purchasing a plurality of existing working mediums, so that the working efficiency is improved, and the cost is greatly reduced.

Compared with the prior art, the high-low temperature combined type treatment equipment provided by the utility model can mix low-temperature gas, low-temperature liquid and high-temperature gas in different proportions through respective valve control, obtains mixed working media with different temperatures to flow through the treatment part, and achieves the purpose of treatment, thereby realizing the effect of flexibly controlling the temperature of the treatment part according to the treatment condition, and the treatment equipment uses fewer working media types and working media states, and has simple structure; and air is used for pressurization, so that the types of working media needing outsourcing are reduced, and the cost is reduced.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.

Claims (11)

1. A high and low temperature composite therapeutic apparatus, comprising:

an air compressor for absorbing air from the outside and pressurizing;

a dryer for drying and cooling the pressurized gas;

the storage tank group comprises a first storage tank and a second storage tank, wherein the first storage tank and the second storage tank are used for receiving the pressurized normal-temperature dry gas from the dryer, the first storage tank stores liquid cold working medium, and the second storage tank is used for heating the pressurized normal-temperature dry gas;

a treatment member provided on a communication line between the tank group and the dryer, and communicating with the tank group via a valve assembly; and

and the controller is used for controlling the valve assembly to realize the mixing of the working media from the first storage tank and the second storage tank so as to realize the control of the flow, the temperature and the pressure of the working media.

2. The homocryosurgical composite treatment apparatus of claim 1, wherein the valve assembly comprises:

the first valve is arranged on a pipeline between the first storage tank and the treatment part and is used for controlling the gas working medium from the first storage tank to enter the treatment part;

the second valve is arranged on a pipeline between the first storage tank and the treatment part and is used for controlling the liquid cold working medium from the first storage tank to enter the treatment part; and

a third valve for controlling the heated pressurized dry gas from the second reservoir into the treatment member;

the controller can realize the mixing of working media by controlling the opening and closing of the first valve, the second valve and the third valve and the flow so as to realize the control of the flow, the temperature and the pressure of the working media.

3. The high and low temperature composite therapeutic apparatus according to claim 2, wherein the valve assembly further comprises a fourth valve disposed on a connection line of the first tank and the dryer, the gas working medium being capable of entering the dryer partially along the connection line via the fourth valve.

4. The high-low temperature combined type therapeutic apparatus according to claim 1 or 2, further comprising an oil-gas separator provided between the air compressor and the dryer, the oil-gas separator being for removing oil from the pressurized gas.

5. The homocryo-hybrid treatment apparatus of claim 1 or 2, further comprising a filter disposed between the dryer and the tank bank, the filter for removing solid particles from the pressurized gas.

6. High and low temperature combined treatment device according to claim 1 or 2, wherein the second tank comprises a heating means, which is arranged inside the second tank or around the outer wall of the second tank.

7. The high-low temperature composite treatment device as claimed in claim 1 or 2, wherein a vent valve is disposed on a pipeline of the treatment member communicating with the dryer.

8. The high and low temperature combined treatment apparatus as set forth in claim 1 or 2, wherein said air compressor is one of a screw type, a piston type, a centrifugal type and a combination thereof.

9. The high and low temperature combined type therapeutic apparatus as set forth in claim 1 or 2, wherein said air compressor is single-stage compression or multi-stage compression.

10. The cryosurgical composite of claim 1 or 2, wherein the liquid cold working medium is one of liquid nitrogen, liquid oxygen, liquid methane, liquid argon, liquid neon, liquid helium, liquefied nitrous oxide, liquefied carbon dioxide, and freon.

11. The high and low temperature composite type therapeutic apparatus as set forth in claim 1 or 2, wherein the air compressor is used to absorb air from the outside and pressurize the same.

Images