CN213160156U - Experimental digestion waste gas collecting and treating device - Google Patents
Experimental digestion waste gas collecting and treating device Download PDFInfo
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- CN213160156U CN213160156U CN202021936190.5U CN202021936190U CN213160156U CN 213160156 U CN213160156 U CN 213160156U CN 202021936190 U CN202021936190 U CN 202021936190U CN 213160156 U CN213160156 U CN 213160156U
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- reaction box
- alkali liquor
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- inlet pipe
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Abstract
The utility model relates to an exhaust gas collection processing apparatus is cleared up in experiment belongs to experiment check out test set technical field. The utility model comprises a gas collecting hood and an alkali liquor reaction box, wherein the gas collecting hood is used for collecting acid mist generated in an experiment, the alkali liquor reaction box is provided with an air inlet pipe and an exhaust pipe, the air inlet pipe is provided with a conveying device for the acid mist, one end of the air inlet pipe is communicated with the inside of the gas collecting hood, and the other end of the air inlet pipe extends into the inside of the alkali liquor reaction box; and in the alkali liquor reaction box, the position of the port of the air inlet pipe is lower than the position of the port of the air outlet pipe. The sample is collected by the gas collecting channel digesting the acid mist that the reaction in-process produced to carry out acid-base neutralization reaction in with acid mist direction alkali lye reaction box through conveyor, so the utility model discloses can digest the acid mist that the in-process produced with the sample in the heating and carry out optimization treatment, thereby can reduce the adverse effect that the acid mist produced to the operator or to the environment.
Description
Technical Field
The utility model relates to an exhaust gas collection processing apparatus is cleared up in experiment belongs to experiment check out test set technical field.
Background
In an inspection analysis experiment, a sample needs to be pretreated, part of the sample needs to be digested by sulfuric acid, hydrochloric acid, perchloric acid or even aqua regia, the sample needs to be heated in the digestion process, and the acid liquor has a volatile property, so a large amount of acid mist can be generated in the heating digestion process of the sample, the acid mist is toxic and corrosive, and if the acid mist is directly diffused into the air from a reaction box, the experiment operator can be greatly injured. And the fume hood in the laboratory at present only takes away acid mist, does not carry out purification treatment to acid mist to can have certain adverse effect to environment and personnel.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: to in the inspection analysis experiment of sample, do not carry out purification treatment to the acid mist that the sample produced to easily to the problem that produces adverse effect to the operator or to the environment, provide an experiment and dispel waste gas collection processing apparatus.
In order to realize the purpose, the utility model discloses a technical scheme be: an experimental digestion waste gas collecting and treating device comprises a gas collecting hood and an alkali liquor reaction box, wherein the gas collecting hood is used for collecting acid mist generated in an experiment; and in the alkali liquor reaction box, the position of the port of the air inlet pipe is lower than the position of the port of the air outlet pipe.
The utility model comprises the gas collecting hood, so that in the test and analysis experiment, the acid mist generated in the digestion reaction process of the sample can be collected by the gas collecting hood; the utility model discloses still include alkali liquor reaction box, the inside intercommunication of last intake pipe's of alkali liquor reaction box one end and gas collecting channel, the other end stretches into the inside of alkali liquor reaction box, and in the inside of alkali liquor reaction box, the position of intake pipe port department is less than the position of blast pipe port department, thereby pack into behind the alkali liquor in the alkali liquor reaction box, in the inside of alkali liquor reaction box, the liquid level of alkali liquor is between intake pipe port department and blast pipe port department, conveyor in the rethread intake pipe can carry out acid-base neutralization reaction in the alkali liquor in the acid mist direction alkali liquor reaction box, in acid-base neutralization reaction accomplish the back, the air in the rethread blast pipe discharge acid mist. Therefore, through the utility model discloses can handle the sample in a large amount of acid mist that the in-process produced is cleared up in the heating and optimizes in the inspection analysis experiment to can reduce the acid mist and produce adverse effect to the operator or to the environment.
As the utility model discloses an optimal scheme still includes the reaction box body, and the lower extreme of gas collecting channel is installed at the top of reaction box body, and the gas collecting channel communicates with the reaction box body is inside. The sample reacts in the reaction box body, and through the structure, the gas collecting hood is convenient for collecting the acid mist in the reaction box body.
As the preferred proposal of the utility model, a chamber door is arranged on the side surface of the reaction box body and is made of transparent material. Through above-mentioned structure, the condition in the reaction box body is observed to the operator of being convenient for.
As the utility model discloses an optimal scheme, the chamber door includes chamber door and lower chamber door, goes up the chamber door cover and establishes the upper portion at lower chamber door to go up sliding connection on the direction of height of reaction box body between chamber door and the lower chamber door. The upper box door and the lower box door are in sliding connection, so that the box door is convenient to open or close.
As the utility model discloses an optimal scheme, the upper box door sets firmly in the upper end of reaction box body, is provided with the guide way on two relative lateral walls of reaction box body, and the guide way is arranged along the direction of height of reaction box body, the structure of guide way and the structure adaptation of lower case door to the inside at the guide way is installed at the both ends of lower case door. Through the structure, the lower box door can be more stable and reliable when the upper box door slides.
As the utility model discloses an optimal scheme is provided with pH detecting system on the alkali lye reaction box, and pH detecting system includes electric connection's pH detector, pH display screen and control system to the pH detector is including being located the inside pH measuring probe of alkali lye reaction box, and the pH display screen is arranged on the lateral wall of alkali lye reaction box. Through above-mentioned structure, be convenient for implement and observe the pH condition in the alkali lye reaction box, and then make the operator can change or add operations such as alkali lye to the alkali lye reaction box according to the pH condition in the alkali lye reaction box.
As the preferred scheme of the utility model, be provided with in the intake pipe and prevent the suck-back device to can prevent that the alkali lye in the alkali lye reaction box from suck-back to the gas collecting channel, bring adverse effect for the experiment.
As the utility model discloses a preferred scheme, prevent that suck-back device is including having the airtight casing that holds the chamber to the intake pipe is in the inside upper and lower disconnection of casing, and the intake pipe of upper and lower disconnection staggers each other in vertical direction. Through the structure, the utility model discloses a structure is simple relatively to be convenient for manufacturing.
As the preferred scheme of the utility model, the number of the alkali liquor reaction boxes is at least 2, the alkali liquor reaction boxes are sequentially marked as a first alkali liquor reaction box and a second alkali liquor reaction box, and the number of any one of 2 to N is defined as K; an air inlet pipe on the first alkali liquor reaction box is communicated with the top of the gas collecting hood, the conveying device is arranged on the air inlet pipe on the first alkali liquor reaction box, and the air inlet pipe on the K-th alkali liquor reaction box is communicated with an exhaust pipe on the K-1-th alkali liquor reaction box. Through the structure, the utility model discloses the treatment effect to acid mist can further be improved.
As the preferred scheme of the utility model, an alkali liquor feeding port and an alkali liquor discharging port are arranged on the alkali liquor reaction box; a liquid level meter is arranged on the alkali liquor reaction box. Through the structure, an operator can add alkali liquor into the alkali liquor reaction box or discharge the alkali liquor from the alkali liquor reaction box according to actual conditions; and the quantity condition of the alkali liquor in the alkali liquor reaction box can be conveniently observed through the liquid level meter.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses can clear up the in-process at the heating of sample, handle the optimization with a large amount of acid mist that produce, can reduce the acid mist and produce adverse effect to the operator or to the environment from loss in the reaction box body.
2. The utility model has relatively simple structure and is convenient to process and manufacture.
Drawings
Fig. 1 is a schematic diagram of the three-dimensional structure of the present invention.
Fig. 2 is another schematic three-dimensional structure of the present invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a left side view of fig. 3.
Fig. 5 is a rear view of fig. 3.
Fig. 6 is a schematic sectional structure view of the suck back prevention device.
The labels in the figure are: 1-a reaction box body, 11-a digestion heating plate, 12-a box door, 121-an upper box door, 122-a lower box door, 13-a guide groove, 2-a gas collecting hood, 3-an alkali liquor reaction box, 31-a first alkali liquor reaction box, 32-a second alkali liquor reaction box, 4-an air inlet pipe, 41-a conveying device, 42-an anti-suck-back device, 5-an exhaust pipe, 6-a pH display screen, 7-an alkali liquor inlet, 8-an alkali liquor outlet and 9-a liquid level meter.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 6, the utility model comprises a gas collecting hood 2 and an alkali liquor reaction box 3, wherein the gas collecting hood 2 is used for collecting acid mist generated in an experiment, an air inlet pipe 4 and an exhaust pipe 5 are arranged on the alkali liquor reaction box 3, a conveying device 41 for the acid mist is arranged on the air inlet pipe 4, one end of the air inlet pipe 4 is communicated with the inside of the gas collecting hood 2, and the other end extends into the inside of the alkali liquor reaction box 3; and in the alkali liquor reaction box 3, the position of the port of the air inlet pipe 4 is lower than the position of the port of the exhaust pipe 5.
The utility model comprises a gas collecting hood 2, so that in the test and analysis experiment, the acid mist generated in the digestion reaction process of the sample is collected by the gas collecting hood 2; the utility model discloses still include alkali lye reaction box 3, the inside intercommunication of the one end of intake pipe 4 and gas collecting channel 2 on alkali lye reaction box 3, the other end stretches into alkali lye reaction box 3's inside, and in alkali lye reaction box 3's inside, the position of intake pipe 4 port department is less than the position of 5 port departments of blast pipe, thereby pack into in alkali lye reaction box 3 behind the alkali lye, inside at alkali lye reaction box 3, the liquid level of alkali lye is between intake pipe 4 port department and 5 port departments of blast pipe, conveyor 41 in the rethread intake pipe 4 carries out acid-base neutralization reaction in the alkali lye that leads in the alkali lye reaction box 3 with acid mist, acid-base neutralization reaction accomplishes the back, the air in the 5 discharge acid mists of rethread blast pipe. Therefore, through the utility model discloses can handle the sample in a large amount of acid mist that the in-process produced is cleared up in the heating and optimizes in the inspection analysis experiment to can reduce the acid mist and produce adverse effect to the operator or to the environment.
As shown in figure 1, the utility model discloses still include reaction box body 1, the top at reaction box body 1 is installed to the lower extreme of gas collecting channel 2, and gas collecting channel 2 communicates with reaction box body 1 is inside. The utility model discloses in, the concrete structure of gas collecting channel 2 is not limited, is convenient for the collection of gas collecting channel 2 to the acid mist, can set up intake pipe 4 at the top of gas collecting channel 2 to on the cross section of gas collecting channel 2, make the cross sectional area of 2 lower extremes of gas collecting channel be greater than the cross sectional area of 2 upper ends of gas collecting channel. Specifically, the gas collecting hood 2 may be set to be a conical structure, the large opening end of the gas collecting hood is connected to the top of the reaction box body 1, and the gas inlet pipe 4 is connected to the top of the gas collecting hood 2. As shown in fig. 1 or fig. 2, the structure of the gas collecting channel 2 may also be a trapezoid structure, and the large end of the gas collecting channel 2 is connected to the top of the reaction box body 1, that is, the lower end of the position shown in the figure is communicated with the inside of the reaction box body 1, and the gas inlet pipe 4 is connected to the top of the gas collecting channel 2, that is, the gas inlet pipe 4 is connected to the small end of the gas collecting channel 2, so that the gas collecting channel 2 can collect the acid mist in the reaction box body 1. When clearing up the sample, reaction box body 1 is inside to have placed and to clear up hot plate 11, and the sample is placed and is heated up on reaction box body 1 is inside clears up hot plate 11 and clear up the reaction, gets to put of sample for being convenient for, the utility model discloses be provided with chamber door 12 on reaction box body 1's side. Further, for the inside sample of observation reaction box body 1, the utility model discloses a chamber door 12 can be made by transparent material, specifically, transparent material can select materials such as PMMA or EVA.
As shown in fig. 1 to 3, in order to open or close the chamber door 12, the chamber door 12 of the present invention includes an upper chamber door 121 and a lower chamber door 122, the upper chamber door 121 is sleeved on the upper portion of the lower chamber door 122, and the upper chamber door 121 and the lower chamber door 122 are slidably connected in the height direction of the reaction chamber body 1. The upper door 121 of the utility model can be sleeved inside the lower door 122 and also can be sleeved outside the lower door 122. The utility model discloses can fix arbitrary one in last case door 121 or lower case door 122 on reaction box body 1, also can make and go up case door 121 and lower case door 122 all with reaction box body 1 between sliding connection. In order to make the lower box door 122 more stable and reliable when the upper box door 121 slides, can be with the utility model discloses an upper box door 121 sets firmly in the upper end of reaction box body 1 to be provided with guide way 13 on two relative lateral walls of reaction box body 1, guide way 13 is arranged along the direction of height of reaction box body 1, makes the structure of guide way 13 and the structure adaptation of lower box door 122, and installs the both ends of lower box door 122 in the inside of guide way 13. Specifically, the guide groove 13 may be provided as a rectangular groove, the lower door 122 may be provided as a rectangular plate, and the lower door 122 may be installed in the guide groove 13 of the reaction cassette body 1. The utility model discloses an upper box door 121 also can set up to the rectangular plate structure to set up a recess in upper box door 121, make upper box door 121 cover establish the outside at lower box door 122, and will go up box door 121 and fix on the upper portion of reaction box body 1.
The utility model discloses at the during operation, should be equipped with alkali lye in the inside of alkali lye reaction box 3, the acid mist carries out neutralization reaction by the leading-in alkali lye reaction box 3 of conveyor 41 the utility model discloses in, conveyor 41 should select to be made by corrosion-resistant material, like polytetrafluoroethylene or carbon fiber etc. specifically, conveyor 41 can select to be the fan. After the acid mist gets into and carries out the neutralization reaction in alkali lye reaction box 3, the pH value in the alkali lye reaction box 3 can change, for the operator observes the pH condition in the alkali lye reaction box 3 often, and then can change or add operations such as alkali lye to the alkali lye reaction box 3 according to the pH condition in the alkali lye reaction box 3, the utility model discloses be provided with pH detecting system on alkali lye reaction box 3, pH detecting system includes electric connection's pH detector, pH display screen 6 and control system to the pH detector is including being located the inside pH measuring probe of alkali lye reaction box 3, and pH display screen 6 arranges on the lateral wall of alkali lye reaction box 3. Specifically, the model of the pH measuring probe can be selected from MIK-pH-6001, MIK-pH-7001, MIK-pH-5015, MIK-pH-5022 and the like, and the pH display screen can be selected from a 2.8-inch monochrome liquid crystal display screen and the like, so that the pH value in the alkali liquor can be detected through the pH measuring probe, the signal is transmitted to the control system through the pH measuring probe, and the signal is displayed in the pH display screen 6 through the control system, so that an operator can know the pH value in the alkali liquor reaction box 3 at any time, and can replace or add the alkali liquor and the like into the alkali liquor reaction box 3 according to the pH condition in the alkali liquor reaction box 3.
In order to prevent that the alkali lye in the alkali lye reaction box 3 from suck back to the gas collecting channel 2, bring adverse effect for the experiment, the utility model discloses be provided with in intake pipe 4 and prevent suck-back device 42, as shown in fig. 6, prevent suck-back device 42 including having the airtight casing that holds the chamber to intake pipe 4 is disconnected on the inside of casing, down, and the intake pipe 4 of upper and lower disconnection staggers each other in vertical direction, thereby can prevent that the alkali lye in the alkali lye reaction box 3 from suck back to the gas collecting channel 2, can also make the utility model discloses a structure is simple relatively to be convenient for manufacturing.
In order to further improve the treatment effect of the acid mist treatment device, the number of the alkali liquor reaction boxes 3 is at least 2, the alkali liquor reaction boxes 3 are sequentially marked as a first alkali liquor reaction box 31 and a second alkali liquor reaction box 32, and any number from 2 to N is defined as K; an air inlet pipe 4 on the first alkali liquor reaction box 31 is communicated with the top of the gas collecting hood 2, the conveying device 41 is arranged on the air inlet pipe 4 on the first alkali liquor reaction box 31, and the air inlet pipe 4 on the K-th alkali liquor reaction box is communicated with an exhaust pipe 5 on the K-1-th alkali liquor reaction box. For the structure simplification, as shown in fig. 2, the alkali liquor reaction box 3 of the present invention can be selected as two, and the reference numerals are respectively the first alkali liquor reaction box 31 and the second alkali liquor reaction box 32, the intake pipe 4 on the first alkali liquor reaction box 31 is communicated with the top of the gas collecting hood 2, and the conveying device 41 is installed on the intake pipe 4 on the first alkali liquor reaction box 31, and the intake pipe 4 on the second alkali liquor reaction box 32 is communicated with the exhaust pipe 5 on the first alkali liquor reaction box 31.
Furthermore, in order to add alkali liquor into the alkali liquor reaction box 3 or discharge alkali liquor from the alkali liquor reaction box 3 according to actual conditions, the utility model discloses be provided with alkali liquor feed inlet 7 and alkali liquor discharge outlet 8 on the alkali liquor reaction box 3. In the view shown in FIG. 1 or in the view shown in FIG. 2, the lye feed inlets 7 can be arranged above the illustrated position, i.e. at the top of the lye reaction tanks 3; the lye discharge opening 8 can be arranged to the right of the position shown in the figure, i.e. on the rear side of the lye reaction tank 3. In order to observe the quantity of the alkali liquor in the alkali liquor reaction box 3 conveniently, the utility model is provided with a liquid level meter 9 on the alkali liquor reaction box 3.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an exhaust gas collection processing apparatus is cleared up in experiment which characterized in that: the acid mist collecting device comprises a gas collecting hood (2) and an alkali liquor reaction box (3), wherein the gas collecting hood (2) is used for collecting acid mist generated in an experiment, an air inlet pipe (4) and an exhaust pipe (5) are arranged on the alkali liquor reaction box (3), a conveying device (41) for the acid mist is arranged on the air inlet pipe (4), one end of the air inlet pipe (4) is communicated with the inside of the gas collecting hood (2), and the other end of the air inlet pipe extends into the inside of the alkali liquor reaction box (3); and in the alkali liquor reaction box (3), the position of the port of the air inlet pipe (4) is lower than the position of the port of the exhaust pipe (5).
2. The experimental digestion exhaust gas collection and treatment device according to claim 1, characterized in that: the reaction box is characterized by further comprising a reaction box body (1), the lower end of the gas collecting hood (2) is installed at the top of the reaction box body (1), and the gas collecting hood (2) is communicated with the interior of the reaction box body (1).
3. The experimental digestion exhaust gas collection and treatment device according to claim 2, characterized in that: a box door (12) is arranged on the side surface of the reaction box body (1), and the box door (12) is made of transparent materials.
4. The experimental digestion exhaust gas collection and treatment device according to claim 3, characterized in that: the box door (12) comprises an upper box door (121) and a lower box door (122), the upper box door (121) is sleeved on the upper part of the lower box door (122), and the upper box door (121) is in sliding connection with the lower box door (122) in the height direction of the reaction box body (1).
5. The experimental digestion exhaust gas collection and treatment device according to claim 4, characterized in that: the upper box door (121) is fixedly arranged at the upper end of the reaction box body (1), the two opposite side walls of the reaction box body (1) are provided with guide grooves (13), the guide grooves (13) are arranged along the height direction of the reaction box body (1), the structure of the guide grooves (13) is matched with that of the lower box door (122), and the two ends of the lower box door (122) are arranged in the guide grooves (13).
6. The experimental digestion exhaust gas collection and treatment device according to any one of claims 1 to 5, wherein: be provided with pH detecting system on alkali lye reaction tank (3), pH detecting system includes electric connection's pH detector, pH display screen (6) and control system to the pH detector is including being located the inside pH measuring probe of alkali lye reaction tank (3), and pH display screen (6) are arranged on the lateral wall of alkali lye reaction tank (3).
7. The experimental digestion exhaust gas collection and treatment device according to any one of claims 1 to 5, wherein: an anti-suck-back device (42) is arranged on the air inlet pipe (4).
8. The experimental digestion exhaust gas collection and treatment device according to claim 7, characterized in that: the suck-back prevention device (42) comprises a shell with a closed accommodating cavity, the air inlet pipe (4) is disconnected up and down in the shell, and the air inlet pipe (4) disconnected up and down are mutually staggered in the vertical direction.
9. The experimental digestion exhaust gas collection and treatment device according to any one of claims 1 to 5, wherein: the number of the alkali liquor reaction boxes (3) is at least 2, the alkali liquor reaction boxes (3) are sequentially marked as a first alkali liquor reaction box (31) and a second alkali liquor reaction box (32) · and an Nth alkali liquor reaction box, and any one of 2 to N is defined as K; an air inlet pipe (4) on the first alkali liquor reaction box (31) is communicated with the top of the gas collecting hood (2), the conveying device (41) is installed on the air inlet pipe (4) on the first alkali liquor reaction box (31), and the air inlet pipe (4) on the K-th alkali liquor reaction box is communicated with an exhaust pipe (5) on the K-1-th alkali liquor reaction box.
10. The experimental digestion exhaust gas collection and treatment device according to any one of claims 1 to 5, wherein: an alkali liquor inlet (7) and an alkali liquor outlet (8) are arranged on the alkali liquor reaction box (3); a liquid level meter (9) is arranged on the alkali liquor reaction box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021936190.5U CN213160156U (en) | 2020-09-07 | 2020-09-07 | Experimental digestion waste gas collecting and treating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021936190.5U CN213160156U (en) | 2020-09-07 | 2020-09-07 | Experimental digestion waste gas collecting and treating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213160156U true CN213160156U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021936190.5U Active CN213160156U (en) | 2020-09-07 | 2020-09-07 | Experimental digestion waste gas collecting and treating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213160156U (en) |
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2020
- 2020-09-07 CN CN202021936190.5U patent/CN213160156U/en active Active
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