CN207623115U - A kind of quick backflow digestion instrument - Google Patents

Abstract

The utility model discloses a kind of quick backflow digestion instruments, the inside top activity of the digestion tube is plugged with inserting column, the inserting column upper surface is integrally formed with insulating tube, the insulating tube is internally provided with condenser pipe, the bottom of the condenser pipe passes through the inside of inserting column to be connected to the inside of digestion tube, the compressor is connected to evaporator and condenser respectively by pipeline, it is connected to by capillary between the evaporator and condenser, the import of the air-introduced machine is connected to by pipeline with the inner right side of refrigeration case, the outlet of the air-introduced machine is connected to by heat-preserving hose with the inside of insulating tube；The quick backflow digestion instrument, substantially increase the Liquefaction Rate of steam, make its quick backflow, and since the internal pressure of digestion tube will not change, the resolution rate of various organic matters will not all change, therefore identical just and in laboratory on the data theory obtained, substantially increase test accuracy.

Description

A kind of quick backflow digestion instrument

Technical field

The utility model is related to digestion instrument technical field, specially a kind of quick backflow digestion instrument.

Background technology

COD is the important Con trolling index of common environment measuring index and environmental protection work.In the lab, it adopts It is heated with conical flask, inside puts zeolite defervescence, top has condensing unit back, condensing unit opening to connect air.Whole device volume Greatly, need amount of reagent more.In COD is detected automatically, usually seal pipe is used to clear up, i.e., is heated in the quartz ampoule sealed at one section It clears up, resolution condition and the condition in laboratory are significantly different in digestion process middle pipe, such as pressure, the resolution rate of various organic matters On the data theory for all being changed, therefore being obtained just and the difference in laboratory, there are certain hidden danger, and it is traditional Flow back digestion instrument, and reflux rate is low, and applicability is not strong, it is therefore desirable to improve.

Utility model content

The purpose of this utility model is to provide a kind of quick backflow digestion instruments, to solve to propose in above-mentioned background technology The problem of.

To achieve the above object, the utility model provides the following technical solutions：A kind of quick backflow digestion instrument, including behaviour Make platform and digestion tube, the quadrangle of the lower face of the operation console is installed with supporting leg, and the middle part of the operation console is opened vertically Equipped with spliced eye, the left and right sides at the top of the digestion tube is integrally formed limited position plate, the insertion grafting of the digestion tube The inside in hole, and the limiting plate rides on operation console, the outer wall of the digestion tube is wound with resistance wire, the bottom of the operation console Portion is sequentially installed with button switch and charge power supply from left to right, and the resistance wire, button switch and charge power supply pass through conducting wire Series connection forms closed circuit, and the inside top activity of the digestion tube is plugged with inserting column, the inserting column upper surface one at Type has insulating tube, the insulating tube to be internally provided with condenser pipe, and the bottom of the condenser pipe passes through inside and the resolution of inserting column The inside of pipe is connected to, and the upper surface of the operation console is equipped with refrigeration case and air-introduced machine successively from left to right, the refrigeration case it is interior Portion top is installed with evaporator and compressor successively from left to right, and the refrigeration case outer upper ends are installed with condensation Device, the compressor are connected to evaporator and condenser respectively by pipeline, pass through capillary between the evaporator and condenser Pipe is connected to, and the import of the air-introduced machine is connected to by pipeline with the inner right side of refrigeration case, and the outlet of the air-introduced machine passes through guarantor Warm hose is connected to the inside of insulating tube.

Preferably, the insulating tube and condenser pipe be to the right on be obliquely installed, and the insulating tube and condenser pipe and water The angle of plane is between 30 to 70 degree.

Preferably, the left side wall of the condenser pipe is arranged for waveform.

Preferably, the outer wall of the inserting column is set with high-temperature resistant rubber set, and the thickness of the high-temperature resistant rubber set is under Supreme gradual increase.

Preferably, the right end bottom heat seal of the insulating tube is bonded with supporting rod, the lower end of the supporting rod and operation console Upper surface offset.

Preferably, the left side of the refrigeration case is equipped with active carbon filtering device, passes through pipe inside the left side of the refrigeration case The outlet in road and active carbon filtering device.

Preferably, the inner wall of the spliced eye is bonded with high-temperature resistant rubber layer.

Compared with prior art, the utility model has the beneficial effects that：The quick backflow digestion instrument, substantially increases steaming The Liquefaction Rate of vapour makes its quick backflow, improves the efficiency of experiment, and since the internal pressure of digestion tube will not become Change, it is identical just and in laboratory on the data theory that the resolution rates of various organic matters will not all change, therefore obtain, greatly Improve test accuracy greatly.

Description of the drawings

Fig. 1 is the utility model structure main view sectional drawing；

Fig. 2 is the utility model condenser tube structure schematic diagram.

In figure：1 operation console, 2 supporting legs, 3 spliced eyes, 4 digestion tubes, 5 limiting plates, 6 resistance wires, 7 button switches, 8 charging electricity Source, 9 inserting columns, 10 insulating tubes, 11 condenser pipes, 12 refrigeration cases, 13 evaporators, 14 compressors, 15 condensers, 16 heat-preserving hoses, 17 high-temperature resistant rubber sets, 18 supporting rods, 19 active carbon filtering devices, 20 high-temperature resistant rubber layers, 21 air-introduced machines.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of quick backflow digestion instrument, including operation The quadrangle of platform 1 and digestion tube 4, the lower face of the operation console 1 is installed with supporting leg 2, and the middle part of the operation console 1 is vertical Spliced eye 3 is offered, the left and right sides at the top of the digestion tube 4 is integrally formed limited position plate 5, and the digestion tube 4 is inserted Enter the inside of spliced eye 3, and the limiting plate 5 rides on operation console 1, the outer wall of the digestion tube 4 is wound with resistance wire 6, institute The bottom for stating operation console 1 is sequentially installed with button switch 7 and charge power supply 8, the resistance wire 6,7 and of button switch from left to right Charge power supply 8 connects to form closed circuit by conducting wire, and the inside top activity of the digestion tube 4 is plugged with inserting column 9, institute 9 upper surface of inserting column is stated integrally formed with insulating tube 10, the insulating tube 10 is internally provided with condenser pipe 11, the condenser pipe 11 Bottom pass through inserting column 9 inside be connected to the inside of digestion tube 4, the upper surface of the operation console 1 is set successively from left to right There are refrigeration case 12 and air-introduced machine 21, the inner tip of the refrigeration case 12 to be installed with evaporator 13 and pressure successively from left to right Contracting machine 14,12 outer upper ends of the refrigeration case are installed with condenser 15, the compressor 14 by pipeline respectively with evaporation Device 13 is connected to condenser 15, is connected to by capillary between the evaporator 13 and condenser 15, the air-introduced machine 21 into Mouth is connected to by pipeline with the inner right side of refrigeration case 12, and the outlet of the air-introduced machine 21 passes through heat-preserving hose 16 and insulating tube 10 Inside connection.

Specifically, the insulating tube 10 and condenser pipe 11 be to the right on be obliquely installed, and the insulating tube 10 and condensation Between 30 to 70 degree insulating tube 10 and condenser pipe 11 and water can be arranged according to actual demand in the angle of pipe 11 and horizontal plane The angle of plane.

Specifically, the left side wall of the condenser pipe 11 is arranged for waveform, improves condenser pipe 11 and cold air contact area, Improve the liquefaction efficiency of steam.

Specifically, the outer wall of the inserting column 9 is set with high-temperature resistant rubber set 17, the thickness of the high-temperature resistant rubber set 17 Degree gradually increases from the bottom to top, improves the tightness of inserting column 9 and digestion tube 4.

Specifically, the right end bottom heat seal of the insulating tube 10 is bonded with supporting rod 18, the lower end of the supporting rod 18 with The upper surface of operation console 1 offsets, and improves the stability of insulating tube 10.

Specifically, the left side of the refrigeration case 12 is equipped with active carbon filtering device 19, inside the left side of the refrigeration case 12 By the outlet of pipeline and active carbon filtering device 19, the cleanliness factor of air inlet is improved.

Specifically, the inner wall of the spliced eye 3 is bonded with high-temperature resistant rubber layer 20, the elastic reaction of high-temperature resistant rubber layer 20 Protection is provided to digestion tube 4.

The quick backflow digestion instrument, in use, first by inserting column 9, insulating tube 10 and the whole extraction of condenser pipe 11, then Water sample, catalyst, oxidant and digestion solution are added to the inside of digestion tube 4, then inserting column 9 is inserted into the inside of digestion tube 4, As shown in Figure 1, then push button switch 7, charge power supply 8 are powered resistance wire 6, digestion tube 4 is heated, then Start compressor 14, compressor 14 is pressed into after condensing agent to be compressed into the gas of high temperature and pressure in condenser 15, and condensing agent exists The liquid of 15 mesohigh room temperature of condenser flows into evaporator 13, and because the caliber of evaporator 13 is larger, the pressure of refrigerant is unexpected Become smaller, it is made to evaporate the heat for the inside for absorbing refrigeration case 12 rapidly, is flowed into compressor 14 until being gasified totally, it is so anti- It is multiple to cool down to the inside of refrigeration case 12, then start air-introduced machine 21, cold air is entered to the inside of insulating tube 10, makes condenser pipe 11 are surrounded by cold air, and when the solution of the inside of digestion tube 4 is heated to boiling, steam is floated up along condenser pipe 11, due to Condenser pipe 11 is surrounded by cold air, substantially increases the Liquefaction Rate of steam, makes its quick backflow, since digestion tube 4 passes through condensation Pipe 11 is connected to outside, so the internal pressure of digestion tube 4 is identical as atmospheric pressure always, the internal pressure of digestion tube 4 will not be sent out Changing, on the data theory that the resolution rates of various organic matters will not all change, therefore obtain just and the phase in laboratory Together, test accuracy is substantially increased, after the completion of heating, close button switch 7 and compressor 14 successively.

Therefore the quick backflow digestion instrument, substantially increases the Liquefaction Rate of steam, makes its quick backflow, improve examination The efficiency tested, and since the internal pressure of digestion tube 4 will not change, the resolution rate of various organic matters will not all become Change, therefore identical just and in laboratory on obtained data theory, substantially increases test accuracy.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of quick backflow digestion instrument, including operation console (1) and digestion tube (4), the four of the lower face of the operation console (1) Angle is installed with supporting leg (2), it is characterised in that：The middle part of the operation console (1) offers spliced eye (3) vertically, described The left and right sides at the top of digestion tube (4) is integrally formed limited position plate (5), the insertion spliced eye (3) of the digestion tube (4) Inside, and the limiting plate (5) rides on operation console (1), the outer wall of the digestion tube (4) is wound with resistance wire (6), the behaviour The bottom for making platform (1) is sequentially installed with button switch (7) and charge power supply (8) from left to right, and the resistance wire (6), button are opened It closes (7) and charge power supply (8) connects to form closed circuit by conducting wire, the inside top activity of the digestion tube (4) is plugged with Inserting column (9), integrally formed with insulating tube (10), being internally provided with for the insulating tube (10) is cold for inserting column (9) upper surface The bottom of solidifying pipe (11), the condenser pipe (11) passes through the inside of inserting column (9) to be connected to the inside of digestion tube (4), the behaviour The upper surface for making platform (1) is equipped with refrigeration case (12) and air-introduced machine (21) successively from left to right, and the inside of the refrigeration case (12) is pushed up End is installed with evaporator (13) and compressor (14) successively from left to right, and refrigeration case (12) outer upper ends are fixedly mounted There are condenser (15), the compressor (14) to be connected to respectively with evaporator (13) and condenser (15) by pipeline, the evaporation It is connected to by capillary between device (13) and condenser (15), the import of the air-introduced machine (21) passes through pipeline and refrigeration case (12) Inner right side connection, the outlet of the air-introduced machine (21) is connected to by heat-preserving hose (16) with the inside of insulating tube (10).

2. a kind of quick backflow digestion instrument according to claim 1, it is characterised in that：The insulating tube (10) and condensation Pipe (11) be to the right on be obliquely installed, and the angle of the insulating tube (10) and condenser pipe (11) and horizontal plane is 30 to seven Between ten degree.

3. a kind of quick backflow digestion instrument according to claim 1, it is characterised in that：The left side of the condenser pipe (11) Wall is arranged for waveform.

4. a kind of quick backflow digestion instrument according to claim 1, it is characterised in that：The outer wall of the inserting column (9) It is set with high-temperature resistant rubber set (17), the thickness of the high-temperature resistant rubber set (17) gradually increases from the bottom to top.

5. a kind of quick backflow digestion instrument according to claim 1, it is characterised in that：The right end of the insulating tube (10) Bottom heat seal is bonded with supporting rod (18), and the lower end and the upper surface of operation console (1) of the supporting rod (18) offset.

6. a kind of quick backflow digestion instrument according to claim 1, it is characterised in that：The left side of the refrigeration case (12) Equipped with active carbon filtering device (19), pass through pipeline and active carbon filtering device (19) inside the left side of the refrigeration case (12) Outlet.

7. a kind of quick backflow digestion instrument according to claim 1, it is characterised in that：The inner wall of the spliced eye (3) It is bonded with high-temperature resistant rubber layer (20).