CN112718023A - Constant temperature water tank - Google Patents

Abstract

The invention relates to a constant-temperature water tank which comprises a shell, a cover plate arranged at the top of the shell, a temperature control assembly and a smoke conveying assembly, wherein a heat insulation layer and a heat conduction layer are arranged in the shell, the heat insulation layer and the heat conduction layer cover the periphery and the bottom of the shell, the heat conduction layer is positioned on the inner side of the heat insulation layer and encloses to form a heating space for containing liquid, the cover plate covers the heating space to seal the heating space, the temperature control assembly comprises a heating element for heating the liquid in the heating space and a temperature controller connected with the heating element, and the smoke conveying assembly comprises a smoke conveying pipe penetrating through the heating space. The invention adopts the heat insulation layer and the glass fiber reinforced plastic shell to heat and insulate the heating space inside, and the external temperature controller overcomes the defects of inconvenient carrying, easy water overflow in the moving process to cause scalding accidents and the like of the traditional small thermostatic water tank, and realizes the purposes of small volume, easy carrying, rollover prevention, overflow prevention, electric leakage prevention, quick and efficient heating of the thermostatic water tank.

Description

Constant temperature water tank

Technical Field

The invention relates to the field of constant temperature equipment, in particular to a constant temperature water tank.

Background

The constant temperature water tank is widely applied to biology, chemistry, chemical engineering and other subjects, is mainly used for direct or auxiliary heating of precise constant temperature, and is used for controlling the temperature through the temperature controller to achieve the constant temperature effect. At present, the types and models of constant-temperature water tanks in the market are more, and the constant-temperature water tanks are generally divided into small constant-temperature water tanks, medium constant-temperature water tanks and large constant-temperature water tanks according to volume division. Various types of common constant-temperature water tanks in the market generally have the defects of inconvenient carrying, easy overflow and scalding of water in the moving process, electric shock risk caused by direct connection of a 220V power supply and a heating wire, low heating efficiency and the like in the use process. How to be more portable, safer and more energy-saving in the using process becomes a problem which is often faced by engineers in field testing.

SO₃Is solid or liquid at normal temperature, is inconvenient for collecting and sampling the flue gas, and is generally SO₃The temperature of (2) is maintained at 70. + -. 5 ℃. Therefore, there is a need for a stable thermostat that is easy to set to maintain SO₃In the gaseous state.

Disclosure of Invention

The invention aims to provide a constant-temperature water tank which is particularly suitable for SO₃And (4) collecting.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a constant temperature water tank, constant temperature water tank include the casing, set up casing top apron, temperature control component and flue gas transport assembly, the casing in be provided with insulating layer, heat-conducting layer, insulating layer, heat-conducting layer cover the casing all around and the bottom, just the heat-conducting layer be located the inboard of insulating layer and enclose and close and form the heating space that is used for holding liquid, with the apron lid close with the heating space sealed, temperature control component including being used for the heating space in the heating element of liquid, with the temperature controller that heating element is connected, flue gas transport assembly including passing the flue gas conveyer pipe in heating space.

Preferably, the temperature control assembly further comprises a heat pipe disposed in the heating space, and the heat pipe is connected to the heating element.

Preferably, the heating element is arranged between the heat insulation layer and the heat conduction layer and is attached to the bottom of the heat conduction layer.

Preferably, the temperature control assembly further comprises a temperature sensor arranged between the heat insulation layer and the heat conduction layer and connected with the periphery of the heat conduction layer, and the temperature sensor is connected with the temperature controller.

Preferably, the flue gas conveying device further comprises a flue gas inlet pipe and a flue gas outlet pipe which are arranged on the cover plate, and the flue gas inlet pipe and the flue gas outlet pipe are respectively communicated with two ends of the flue gas conveying pipe.

Further preferably, the flue gas conveying pipe is a spiral pipe.

Preferably, the thermostatic water tank further comprises a base arranged at the bottom of the shell, and a wiring space is formed in the base.

Further preferably, the constant-temperature water tank further comprises a fixing rod, the upper end of the fixing rod is connected with the top of the shell, and the lower end of the fixing rod penetrates through the heat insulation layer to be connected with the base.

Preferably, the cover plate is provided with a safety valve, and the safety valve is communicated with the external environment and the heating space when opened.

Preferably, the cover plate is provided with a cover plate lock, the cover plate lock locks the cover plate through threads, and the cover plate lock is further provided with a portable handle. .

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the invention adopts the heat insulation layer and the glass fiber reinforced plastic shell to heat and insulate the heating space inside, and the external temperature controller overcomes the defects of inconvenient carrying, easy water overflow in the moving process to cause scalding accidents and the like of the traditional small thermostatic water tank, realizes the purposes of small volume, easy carrying, rollover prevention, overflow prevention, electric leakage prevention, quick and efficient heating of the thermostatic water tank, and ensures the convenience, safety and reliability of an engineer during field test.

Drawings

FIG. 1 is a schematic structural view of a constant-temperature water tank according to this embodiment.

In the above drawings: 1. a housing; 2. a cover plate; 21. a cover plate lock; 22. a safety valve; 23. a portable handle; 24. a gasket; 31. fixing the tray; 32. a baffle plate; 33. a side wall; 34. a wiring space; 41. a thermal insulation layer; 42. a heat conductive layer; 43. heating the space; 51. a heating element; 52. a temperature sensor; 53. a temperature controller; 54. a heat conducting pipe; 55. an aviation plug; 6. fixing the screw rod; 61. a foot pad; 71. a flue gas inlet pipe; 72. a flue gas outlet pipe; 73. a flue gas conveying pipe; 74. and (4) connecting the pipes.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, a constant temperature water tank comprises a casing 1, a cover plate 2 arranged on the top of the casing 1, a base arranged at the bottom of the casing 1, a temperature control assembly and a flue gas conveying assembly, wherein the flue gas conveying assembly is used for maintaining the stability of the temperature of flue gas collected by a flue gas collecting device. Be provided with insulating layer 41, heat-conducting layer 42 in the casing 1, insulating layer 41, heat-conducting layer 42 cover casing 1 all around and the bottom, and heat-conducting layer 42 is located the inboard of insulating layer 41 and encloses to close and form the heating space 43 that is used for holding liquid, has the wiring space 34 that is used for placing all kinds of wire rods in the base, and temperature control assembly can heat heating space 43 through heat-conducting layer 42's conduction.

In order to protect internal materials, facilitate carrying and have the effect of energy saving and safety, the shell 1 is made of glass fiber reinforced plastics, and the material is light, good in heat insulation and non-conductive; the heat conducting layer 42 is a circular groove body made of aluminum materials, so that the heat conducting layer has the advantage of light weight while ensuring high heat conducting efficiency; the gaps among the shell 1, the base and the heat conducting layer 42 are filled with high-temperature-resistant heat insulating materials, namely a heat insulating layer 41, so that the heat loss can be reduced, the temperature in the heating space 43 can be kept, and the energy-saving effect can be achieved; the cover plate 2 is made of polytetrafluoroethylene, so that the heat insulation plate is high-temperature resistant and good in heat insulation effect.

The temperature control assembly comprises a heating element 51 for heating the heating space 43, a temperature sensor 52, a temperature controller 53, an aircraft plug 55 and a heat pipe 54 arranged within the heating space 43.

The heating element 51 is a sheet made of ceramic material, is arranged on the outer side of the bottom of the heat conduction layer 42 and is tightly attached to the heat conduction layer 42, and the heating element 51 is connected with the temperature controller 53.

The temperature sensor 52 is connected to the temperature controller 53 for feeding back the temperature in the heating space 43 to the temperature controller 53, and the temperature sensor 52 is disposed around the outer surface of the heat conductive layer 42 and closely attached to the heat conductive layer 42.

One end of the aviation plug 55 is connected with the lead of the heating element 51 and the lead of the temperature sensor 52, and the other end is connected with the temperature controller 53 through the leads, so that the stability of line connection can be improved, and the aviation plug is not easy to fall off and break.

The temperature controller 53 is a PID temperature controller, is placed outside the shell 1, contains an AC 220V-DC 36V switching power supply, has one end connected with a 220V alternating current power supply and the other end connected with the aviation plug 55 to output 36V direct current, can control the temperature outside the constant-temperature water tank main body, and avoids the danger of electric leakage and electric shock caused by direct contact with the constant-temperature water tank main body.

The heat conduction pipe 54 is a sintered heat conduction pipe made of red copper, and has a mesh structure inside, so that the heat conduction speed is greatly improved compared with the heat conduction speed of pure metal and the water convection heat exchange speed. The heat conduction pipe 54 is closely attached to the bottom of the heat conduction layer 42 through the turnbuckle, so that the heat conduction speed of the heating element 51 can be increased, the liquid in the heating space 43 can be heated quickly and uniformly no matter the constant-temperature water tank is transversely arranged, obliquely arranged or vertically arranged, and the heating efficiency is improved greatly.

The base of the constant temperature water tank comprises a fixed tray 31 at the top, a baffle 32 at the bottom and a side wall 33 at the periphery, and a wiring space 34 is formed among the fixed tray 31, the baffle 32 and the side wall 33. The fixing tray 31 is made of stainless steel and is used for supporting the heat insulating layer 41 and the heat conducting layer 42. The baffle 32 is made of stainless steel and is used for shielding the wiring space 34. The side wall 33 is made of glass fiber reinforced plastic, and the side wall 33 may be provided integrally with the housing 1 for easy carrying.

The constant temperature water tank further comprises a plurality of fixing screws 6, the upper ends of the fixing screws are connected with the top of the shell 1, the lower ends of the fixing screws penetrate through the heat insulation layer 41 and the fixing tray 31 and then are connected with the baffle 32, and the effect of reinforcing the whole constant temperature water tank is achieved. The lower extreme of clamping screw 6 is connected with and fills up foot 61, and the material adopts rubber, when the friction when the vertical placing of increase constant temperature basin for the baffle 32 of fixed constant temperature basin bottom.

The flue gas conveying assembly comprises a flue gas inlet pipe 71, a flue gas outlet pipe 72, a connecting pipe 74 and a flue gas conveying pipe 73. The flue gas advances pipe 71, flue gas exit tube 72 sets up on apron 2, and the material adopts polytetrafluoroethylene, can be high temperature resistant to it is effectual to insulate against heat, is used for connecting flue gas sampling device. Flue gas conveyer pipe 73's both ends are advanced pipe 71, flue gas exit tube 72 through connecting pipe 74 and flue gas respectively and are connected, and the material adopts quartz glass, and the liquid in helical structure and the heating space 43 is adopted to the shape fully contacts, improves heat transfer efficiency, in this embodiment: the flue gas duct 73 is spiraled around the heat pipe 54. The connecting pipe 74 is a silica gel hose for convenient connection.

The constant temperature water tank further comprises a cover plate lock 21 arranged on the cover plate 2, the cover plate lock 21 is made of stainless steel, is light and firm, the cover plate 2 is screwed through threads, and a sealing gasket 24 made of silica gel is embedded in a gap at the lower part of the cover plate 2 to ensure sealing. The safety valve 22 is also embedded in the cover plate 2, the pressure in the heating space 43 is generally not high, the safety valve 22 is in a closed state, but if the pressure is too high, the safety valve 22 is opened to communicate the external environment with the heating space 43 for exhausting. Be provided with portable handle 23 on the apron lock 21, be connected through bolt and apron lock 21, the material adopts the bakelite, and high temperature resistance still has firm characteristics simultaneously, portable.

The working principle of the present embodiment is specifically described as follows:

when the device is used, the cover plate lock 21 is firstly opened, the cover plate 2 is then opened, a certain amount of water is added into the heating space 43, then the flue gas conveying pipe 73 is placed into the heating space 43 and is connected with the connecting pipe 74, the cover plate 2 is covered, the cover plate lock 21 is screwed, finally, the power supply is plugged, the flue gas is introduced, and the constant temperature to be controlled is set through the temperature controller 53. In the use process, because of the high-efficiency heat conduction of the heat conduction pipe 54, the constant-temperature water tank can be vertically placed, obliquely placed or transversely placed, and the heat conduction of the constant-temperature water tank is not influenced; when the pressure in the constant temperature water tank is too high, the safety valve 22 opens to exhaust the gas.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. A constant temperature water tank is characterized in that: constant temperature basin include the casing, set up casing top apron, temperature control component and flue gas transport assembly, the casing in be provided with insulating layer, heat-conducting layer, insulating layer, heat-conducting layer cover the casing all around and the bottom, just the heat-conducting layer be located the inboard of insulating layer and enclose and close and form the heating space that is used for holding liquid, the apron lid close with the heating space sealed, temperature control component including being used for heating the heating space in the heating element of liquid, with the temperature controller that heating element is connected, flue gas transport assembly including passing the flue gas conveyer pipe in heating space.

2. A constant-temperature water bath as set forth in claim 1, wherein: the temperature control component also comprises a heat conduction pipe arranged in the heating space, and the heat conduction pipe is connected with the heating element.

3. A constant-temperature water bath as set forth in claim 1, wherein: the heating element is arranged between the heat insulation layer and the heat conduction layer and is attached to the bottom of the heat conduction layer.

4. A constant-temperature water bath as set forth in claim 1, wherein: the temperature control component also comprises a temperature sensor which is arranged between the heat insulation layer and the heat conduction layer and is connected with the heat conduction layer on the periphery, and the temperature sensor is connected with the temperature controller.

5. A constant-temperature water bath as set forth in claim 1, wherein: the flue gas conveying assembly further comprises a flue gas inlet pipe and a flue gas outlet pipe which are arranged on the cover plate, and the flue gas inlet pipe and the flue gas outlet pipe are respectively communicated with two ends of the flue gas conveying pipe.

6. A constant-temperature water bath as set forth in claim 5, wherein: the flue gas conveying pipe is a spiral pipe.

7. A constant-temperature water bath as set forth in claim 1, wherein: the constant-temperature water tank further comprises a base arranged at the bottom of the shell, and a wiring space is formed in the base.

8. A constant-temperature water bath as set forth in claim 7, wherein: the constant-temperature water tank further comprises a fixing rod, the upper end of the fixing rod is connected with the top of the shell, and the lower end of the fixing rod penetrates through the heat insulation layer to be connected with the base.

9. A constant-temperature water bath as set forth in claim 1, wherein: the cover plate is provided with a safety valve, and the safety valve is communicated with the external environment and the heating space when opened.

10. A constant-temperature water bath as set forth in claim 1, wherein: the cover plate is provided with a cover plate lock, the cover plate lock locks the cover plate through threads, and the cover plate lock is provided with a portable handle.

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