CN209173950U - A kind of inorganic salt saturated solution control wet process constant humidity cabinet - Google Patents

Abstract

A kind of inorganic salt saturated solution control wet process constant humidity cabinet, the heating cavities being made of in cabinet the left side interlayer, right side interlayer, rear side interlayer and the downside interlayer that are mutually communicated fill heat medium in heating cavities；The operating room cabinet Nei You is isolated into upper operating room and lower operating room by net-like spacer in operating room, and sample is placed in upper operating room, the container of splendid attire chemical reagent is placed in lower operating room, upper operating room is corresponding with upward-acting door, lower operating room is corresponding with downward swing door；The upper end of the heating cavities is connected with heat medium injection hole, and the lower end of heating cavities is connected with heat medium relieving device.Chemical reagent in the container is the chemical reagent that can produce steam chemical reagent aqueous solution or adsorption moisture.The advantages of both the utility model fechtable glass desicator, constant humidity cabinet, has many advantages, such as that humid control is accurate, fluctuation is small, easy to operate, low energy consumption, long-term constant humidity environment can be achieved.

Description

A kind of inorganic salt saturated solution control wet process constant humidity cabinet

Technical field

The utility model relates to a kind of inorganic salt saturated solution control wet process constant humidity cabinets, and specifically one kind passes through chemical reagent The constant humidity cabinet of aqueous solution control humidity.

Background technique

Presently commercially available constant humidity cabinet is all to combine the dehumidifier of cooling compressor condensation to control humidity using humidifier evaporation humidification. This mode is on the one hand big in humidification and wet down process moisture fluctuation, it is difficult to realize that humidity accurately controls.On the other hand, humidification and Wet down process requires consumption energy, and for long-term constant humidity control process, energy consumption is very big.

There are also a kind of constant humidity control methods in laboratory, i.e., permanent using the water content of constant density chemical reagent aqueous solution atmosphere Fixed physical phenomenon, using the relative humidity in chemical reagent aqueous solution control closed environment.Glass desicator is mainly used at present Realize closed environment.Glass desicator is opened from top, chemical reagent aqueous solution is placed in glass desicator bottom, and constant humidity stores sample Product are placed on the partition for keeping certain distance with aqueous solution.Chemical-solvent method constant humidity control method have do not consume energy, humidity control The advantages that accurate is made, long-term constant humidity environment humid control is suitable for.But in this mode, sample takes and (need to uncap), humidity is tieed up It holds very inconvenient with adjustment (all samples and partition need to be taken out, outwell original solvent replacement novel solvent).And it is dry with glass The closed environment limited volume that device is realized (large glass drier upper cover reopens lid difficulty, and Glass breadks easily), it is difficult to which realization is answered Constant humidity environment for size compared with bulk specimen.

Conventional constant humidity cabinet has many advantages, such as that easy to operate, temperature-controllable, studio space can design, but long-term constant humidity control Energy consumption is high for system；Glass desicator chemical-solvent method constant humidity control method has many advantages, such as not consume energy, humid control is accurate, but grasps Work is inconvenient, closed environment is small in size, can not temperature control.

Summary of the invention

The goal of the invention of the utility model is to overcome the above-mentioned deficiency of the prior art, provide a kind of humid control it is accurate, Fluctuate inorganic salt saturated solution control wet process constant humidity cabinet that is small, easy to operate while reducing energy consumption.

The technical concept of the utility model is using humidity in inorganic salt saturated solution control cabinet body, by replacing salting liquid The variation of type realization humidity.

The technical solution of the utility model is: having the left side interlayer, right side interlayer, rear side interlayer being mutually communicated in cabinet With the heating cavities of downside interlayer composition, heat medium is filled in heating cavities；The operating room cabinet Nei You, by netted in operating room Partition is isolated into operating room and lower operating room, and sample is placed in upper operating room, places in lower operating room and contains chemical reagent Container, upper operating room is corresponding with upward-acting door, lower operating room is corresponding with downward swing door；The upper end of the heating cavities and heat medium are infused Enter hole to be connected, the lower end of heating cavities is connected with heat medium relieving device.

Net-like spacer described in the utility model is porous plate or fine grid plate.

Net-like spacer described in the utility model can be one layer, be also possible to multilayer.

Chemical reagent in container described in the utility model is that can produce steam chemical reagent aqueous solution or adsorption moisture Chemical reagent, chemical reagent can be inorganic salts saturated solution.

Chemical reagent in container described in the utility model is saturation caesium fluoride soln, saturation lithium-bromide solution, saturation chlorine Change lithium solution, saturated acetic acid potassium solution, saturation magnesium chloride solution, unsaturated carbonate potassium solution, saturation sodium bromide solution, saturation iodate Potassium solution, saturated sodium chloride solution, saturated potassium chloride solution or saturation potassium sulfate solution.

Chemical reagent in container described in the utility model is the chemical reagent of adsorption moisture, the chemical reagent of adsorption moisture For desiccant.

The utility model increases by one layer or multilayer net-like spacer in cabinet, places on net-like spacer and contains chemical reagent Container, net-like spacer and contain chemical reagent container form a humidity controlling unit, the utility model humidity controlling unit With operating room in cabinet, humidity controlling unit is isolated with operating room by net-like spacer.Humidity controlling unit is using chemistry The steam of reagent aqueous solution realizes constant humidity environment, by adjusting reagent type chemical in humidity controlling unit to adjust State the relative humidity of operating room.

Cabinet wall described in the utility model is all made of with the humidity controlling unit with operating room's isolated material resistance to Corrosion material production, the container for containing chemical reagent aqueous solution are made of resistant material, operating room's door and institute Stating humidity controlling unit Men Jun has sufficiently large transparent region, is able to observe that the shape of sample and the chemical reagent aqueous solution State.

The utility model can increase temperature control unit in the cabinet, use as climatic chamber, the temperature Control unit Ying Caiyong but can be not limited to liquid medium indirect heating.

The utility model can replace the chemical reagent aqueous solution in the humidity controlling unit with desiccant, as drying Case uses.

The method that chemical reagent aqueous solution controls the relative humidity in glass desicator is used for constant humidity cabinet by the utility model, The advantages of both fechtables, compared with the climatic chamber of the prior art, the utility model is had the advantage that

(1) humid control is accurate, and fluctuation is small, easy to operate；

(2) low energy consumption, it can be achieved that long-term constant humidity environment.

Detailed description of the invention

Fig. 1 is the external form schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of the utility model.

In figure, 1, cabinet, 2, panel, 3, heat medium injection hole, 4, liquidometer, 5, upper form, 6, upward-acting door, 7, under open Door, 8, heat medium relieving device, 9, lower form, 10, upper operating room, 11, heat medium, 12, net-like spacer, 13, lower operating room, 14, container.

Specific embodiment

The utility model is described in further detail for the example provided below by attached drawing.

In Fig. 1, Fig. 2, it is made of in cabinet 1 the left side interlayer, right side interlayer, rear side interlayer and the downside interlayer that are mutually communicated Heating cavities, fill heat medium in heating cavities；1 operating room Nei You of cabinet is isolated into operating room by net-like spacer 12 Upper operating room 10 and lower operating room 13, upper operating room 10 is interior to place sample, places the appearance for containing chemical reagent in lower operating room 13 Device 14, upper operating room 10 is corresponding with upward-acting door 6, lower operating room 13 is corresponding with downward swing door 7；The upper end of the heating cavities and heating Medium injection hole 3 is connected, and the lower end of heating cavities is connected with heat medium relieving device 8.That places in container 14 can produce The chemical reagent aqueous solution of raw steam is saturation potassium sulfate solution.5 be upper form, and 9 be lower form, and 11 be heat medium.

Before use, closing heat medium relieving device 8, heat medium 11 is added by heat medium injection hole 3.Sample is placed In on the net-like spacer 12 in upper operating room 10.Injection chemical reagent is saturation potassium sulfate in container 14 in downward operating room 13 Solution.Closing upward-acting door 6 and downward swing door 7 can start to test, and the relative humidity of operating room is 98%.

The state of sample can be observed by upper form 5；The shape of saturation chemical reagent solution can be observed by lower form 9 State.Downward swing door 7 can be opened during test at any time and supplements saturation chemical reagent solution into container 14.

After the test, container 14 can take out cleaning, not influence to test next time.

Claims (6)

1. a kind of inorganic salt saturated solution control wet process constant humidity cabinet, it is characterised in that: there is the left side being mutually communicated folder in cabinet (1) The heating cavities of layer, right side interlayer, rear side interlayer and downside interlayer composition, fill heat medium in heating cavities；Have in cabinet (1) Operating room is isolated into operating room (10) and lower operating room (13), upper operating room (10) by net-like spacer (12) in operating room Interior placement sample, lower operating room (13) is interior to place the container (14) for containing chemical reagent, and upper operating room (10) is corresponding with upward-acting door (6), lower operating room (13) is corresponding with downward swing door (7)；The upper end of the heating cavities is connected with heat medium injection hole (3), The lower end of heating cavities is connected with heat medium relieving device (8).

2. inorganic salt saturated solution control wet process constant humidity cabinet according to claim 1, it is characterised in that: the net-like spacer It (12) is porous plate or fine grid plate.

3. inorganic salt saturated solution control wet process constant humidity cabinet according to claim 1, it is characterised in that: the net-like spacer It (12) is multilayer.

4. inorganic salt saturated solution control wet process constant humidity cabinet according to claim 1, it is characterised in that: the container (14) Interior chemical reagent is inorganic salt saturated solution.

5. inorganic salt saturated solution control wet process constant humidity cabinet according to claim 1, it is characterised in that: the container (14) Interior chemical reagent is saturation caesium fluoride soln, saturation lithium-bromide solution, saturation lithium chloride solution, saturated acetic acid potassium solution, satisfies With magnesium chloride solution, unsaturated carbonate potassium solution, saturation sodium bromide solution, saturated solution of potassium iodide, saturated sodium chloride solution, saturation Klorvess Liquid or saturation potassium sulfate solution.

6. inorganic salt saturated solution control wet process constant humidity cabinet according to claim 1, it is characterised in that: the container (14) Interior chemical reagent is the chemical reagent of adsorption moisture, and the chemical reagent of adsorption moisture is desiccant.