CN211576942U

CN211576942U - Atomic absorption spectrophotometer

Info

Publication number: CN211576942U
Application number: CN201922398263.3U
Authority: CN
Inventors: 沈亚; 徐玲; 桑桂丽
Original assignee: Shanghai Juxing Environmental Testing Co ltd
Current assignee: Shanghai Juxing Environmental Testing Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-25
Anticipated expiration: 2029-12-27

Abstract

The application discloses an atomic absorption spectrophotometer. The photometer includes: the combustion chamber is characterized in that a combustion pipe and a combustion head arranged at the upper end of the combustion pipe are fixedly arranged at the bottom of an inner cavity of the combustion chamber, an air suction device is arranged above the combustion head and comprises an air suction port, an air suction pipeline and an exhaust fan, the air suction pipeline is connected to the combustion chamber and arranged above the combustion head, the air suction port is connected below the air suction pipeline, one end of the air suction pipeline is connected with an ash collecting box, the exhaust fan is arranged between the ash collecting box and the air suction pipeline, and the exhaust fan is arranged outside the combustion chamber; a cleaning device is also arranged in the combustion chamber. The utility model provides a mode that prior art scheme used usually directly installs the getter device on atomic absorption spectrophotometer directly, but atomic absorption spectrophotometer escaped atomic volume is little, and the escape speed is fast, causes the pollution of environment, influences the healthy problem of production measurement personnel.

Description

Atomic absorption spectrophotometer

Technical Field

The utility model relates to an industrial detection equipment technical field particularly, relates to an atomic absorption spectrophotometer.

Background

Atomic absorption spectrometers, also known as atomic absorption spectrophotometers, perform elemental analysis of metals based on the effect of atomic vapor in the ground state of a substance on the absorption of characteristic radiation. It can sensitively and reliably measure trace elements.

In the testing process, need use the atomic absorption spectrophotometer, in order to ensure the reliability of testing result, all have stricter requirements to temperature, relative humidity and wind speed etc. in the laboratory, and the atomic absorption spectrophotometer is in the use, and difficult avoid has the gas to distribute, because need carry out reasonable processing in order to keep the environment in the laboratory to the tail gas that distributes.

However, in the conventional method, the getter device is directly mounted on the atomic absorption spectrophotometer, but the atomic absorption spectrophotometer has small volume and high escape speed, so that it is difficult to effectively remove the escaped substances by directly using the getter device.

Aiming at the problems that the mode commonly used by the prior art scheme in the related art is directly provided with a suction device on an atomic absorption spectrophotometer, but the atomic volume escaped by the atomic absorption spectrophotometer is small, the escaping speed is high, the environment is polluted, and the body health of production detection personnel is influenced, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main aim at of this application provides an atomic absorption spectrophotometer to solve the mode that prior art scheme used usually and directly install the getter device on atomic absorption spectrophotometer directly, but atomic absorption spectrophotometer escaped is small, and the escape speed is fast, causes the pollution of environment, influences production measurement personnel's healthy problem.

In order to achieve the above object, according to one aspect of the present application, there is provided an atomic absorption spectrophotometer.

An atomic absorption spectrophotometer according to the present application includes: a combustion chamber, wherein the bottom of the inner cavity of the combustion chamber is fixedly provided with a combustion pipe and a combustion head arranged at the upper end of the combustion pipe,

an air suction device is arranged above the combustion head and comprises an air suction port, an air suction pipeline and an exhaust fan, the air suction pipeline is connected to the combustion chamber and arranged above the combustion head, the air suction port is connected to the lower portion of the air suction pipeline, one end of the air suction pipeline is connected with an ash collecting box, the exhaust fan is arranged between the ash collecting box and the air suction pipeline, and the exhaust fan is arranged outside the combustion chamber;

still be provided with cleaning device in the combustion chamber, cleaning device includes: reciprocating screw rod, the both ends of reciprocating screw rod are all rotated through the both sides inner wall of supporting seat and combustion chamber and are connected, the pole wall of reciprocating screw rod slides and is equipped with reciprocating slide block, the fixed handle of scraping that is equipped with of downside of reciprocating slide block, it can dismantle the brush to scrape to be provided with on the handle, the inside below that is located reciprocating screw rod of combustion chamber is transversely fixed and is equipped with the slide bar, the side of scraping the handle passes through the pole wall sliding connection of slide opening and slide bar, the fixed drive arrangement that is equipped with in pole wall one side of reciprocating screw rod, the fixed supporting shoe that is equipped with of pipe wall of combustion tube, the pipe wall of combustion tube is located the top of supporting shoe and is equipped with and connects the ash pan, connect the ash pan to pass.

Furthermore, an air suction cover is arranged outside the air suction port, and the edge of the air suction cover is bent downwards.

Further, the driving device is a stepping motor or an air cylinder.

Furthermore, a damping block is arranged at the bottom of the outer side of the combustion chamber.

Furthermore, a first absorption box is arranged in the air suction cover and is clamped with the air suction cover.

Furthermore, a second absorption box is arranged in the dust collection box, and the second absorption box is connected with the dust collection box in a clamping mode.

Furthermore, activated carbon is arranged in the first absorption box and the second absorption box.

In the embodiment of this application, adopt the mode of addding getter device and cleaning device, be provided with cleaning device in being provided with getter device and combustion chamber through at the combustion head top, the purpose of breathing in and clearance has been reached, thereby the toxic gas that produces in the absorption instrument use has been realized, and automatic technological effect of clearing up equipment after the instrument uses, and then the mode of having solved prior art scheme commonly used directly installs the getter device on atomic absorption spectrophotometer directly, but atomic absorption spectrophotometer effusion is small, the escape speed is fast, cause the pollution of environment, influence the healthy technical problem of production measurement personnel.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic diagram of an atomic absorption spectrophotometer in accordance with an embodiment of the present application;

FIG. 2 is a partially enlarged schematic view of a gray receiving box of an atomic absorption spectrophotometer according to an embodiment of the present application;

fig. 3 is a partially enlarged schematic view of an air inlet of an atomic absorption spectrophotometer according to an embodiment of the present application.

Description of reference numerals:

1. a combustion chamber; 2. a combustion tube; 3. a burner head; 4. a suction device; 41. an air suction port; 411. a blowing hood; 42. an air intake duct; 43. an exhaust fan; 44. a dust collecting box; 5. a cleaning device; 51. a reciprocating screw rod; 52. a supporting seat; 53. a reciprocating slide block; 54. a scraping handle; 55. a brush; 56. a slide bar; 57. a drive device; 58. a support block; 59. an ash receiving box; 6. a damper block; 7. a first absorption case; 8. a second uptake box.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-3, the present application relates to an atomic absorption spectrophotometer comprising: a combustion tube 2 and a combustion head 3 arranged at the upper end of the combustion tube 2 are fixedly arranged at the bottom of the inner cavity of the combustion chamber 1,

an air suction device 4 is arranged above the combustion head 3, the air suction device 4 comprises an air suction port 41, an air suction pipeline 42 and an exhaust fan 43, the air suction pipeline 42 is connected to the combustion chamber 1 and arranged above the combustion head 3, the air suction port 41 is connected below the air suction pipeline 42, one end of the air suction pipeline 42 is connected with an ash collecting box 44, the exhaust fan 43 is arranged between the ash collecting box 44 and the air suction pipeline 42, and the exhaust fan 43 is arranged outside the combustion chamber 1;

still be provided with cleaning device 5 in combustion chamber 1, cleaning device 5 includes: the reciprocating screw rod 51, the both ends of reciprocating screw rod 51 all rotate through the both sides inner wall of supporting seat 52 with combustion chamber 1 and be connected, reciprocating slide block 53 is equipped with in the pole wall slip of reciprocating screw rod 51, the downside of reciprocating slide block 53 is fixed and is equipped with scrapes handle 54, scrape and be provided with detachable brush 55 on the handle 54, the inside below that is located reciprocating screw rod 51 of combustion chamber 1 transversely is fixed and is equipped with slide bar 56, the side of scraping handle 54 passes through the slide opening and slide bar 56's pole wall sliding connection, the pole wall one side of reciprocating screw rod 51 is fixed and is equipped with drive arrangement 57, the pipe wall of combustion tube 2 is fixed and is equipped with supporting shoe 58, the pipe wall of combustion tube 2 is located the top of supporting shoe 58 and is equipped with ash-collecting box 59, ash-collecting.

Specifically, the combustion chamber 1 is a combustion chamber, and can provide a combustion place, thereby realizing the reaction effect; the bottom of the inner cavity of the combustion chamber 1 is fixedly provided with a combustion tube 2 and a combustion head 3 arranged at the upper end of the combustion tube 2, and the effects of gas transmission and combustion can be realized by arranging the combustion tube 2 and the combustion head 3;

the air suction device 4 is arranged above the combustion head 3, and the air suction device 4 is arranged above the combustion head 3, so that the waste gas generated in the combustion process can be effectively recovered; the air suction device 4 comprises an air suction port 41, an air suction pipeline 42 and an exhaust fan 43, the air suction pipeline 42 is connected to the combustion chamber 1 and arranged above the combustion head 3, the air suction port 41 is connected below the air suction pipeline 42, one end of the air suction pipeline 42 is connected with an ash collecting box 44, the exhaust fan 43 is arranged between the ash collecting box 44 and the air suction pipeline 42, and the exhaust fan 43 is arranged outside the combustion chamber 1, so that a good air suction effect can be realized, the emission of toxic gases is reduced, the pollution of the surrounding environment is further ensured, and the body safety of detection personnel is improved;

still be provided with cleaning device 5 in combustion chamber 1, cleaning device 5 includes: the reciprocating screw rod 51 is characterized in that two ends of the reciprocating screw rod 51 are rotatably connected with the inner walls of two sides of the combustion chamber 1 through a support seat 52, a reciprocating slide block 53 is arranged on the rod wall of the reciprocating screw rod 51 in a sliding manner, a scraping handle 54 is fixedly arranged on the lower side of the reciprocating slide block 53, a detachable brush 55 is arranged on the scraping handle 54, and the detachable brush 55 is arranged, so that the effect of convenient replacement and detachment can be realized, and the service life of the equipment is prolonged;

a sliding rod 56 is transversely and fixedly arranged in the combustion chamber 1 below the reciprocating screw rod 51, the side surface of the scraping handle 54 is in sliding connection with the rod wall of the sliding rod 56 through a sliding hole, a driving device 57 is fixedly arranged on one side of the rod wall of the reciprocating screw rod 51, a supporting block 58 is fixedly arranged on the tube wall of the combustion tube 2, an ash receiving box 59 is arranged on the tube wall of the combustion tube 2 above the supporting block 58, and the ash receiving box 59 is connected with the supporting rod in a clamping connection mode, so that the effect of easy disassembly and assembly can be realized; connect ash box 59 to be connected with ash collecting box 44 through air exhauster 43, through the slider that is provided with reciprocating motion, the slider downside is provided with brush 55, can realize the effect of slip clearance to avoid the loaded down with trivial details of artifical clearance.

From the above description, it can be seen that the following technical effects are achieved by the present application:

in the embodiment of this application, adopt the mode of addding getter device 4 and cleaning device 5, be provided with cleaning device 5 in being provided with getter device 4 and combustion chamber 1 through 3 tops of combustion head, the purpose of breathing in and clearance has been reached, thereby realized the toxic gas that produces in the absorption instrument use, and automatic technical effect of clearing up equipment after the instrument is used, and then solved the mode that prior art scheme used usually and directly installed getter device 4 on atomic absorption spectrophotometer, but atomic absorption spectrophotometer escaped atomic volume is little, the escape speed is fast, cause the pollution of environment, influence the healthy technical problem of production measurement personnel.

The utility model discloses still have following beneficial effect:

1. the carbon layer on the surface of the combustion head 3 is automatically cleaned, the carbon layer scraping efficiency is high, the carbon layer scraping effect is good, and the experiment progress is accelerated;

2. through being provided with getter device 4, can in time adsorb toxic gas to prevent the release of toxic gas, thereby the loss measurement personnel's is healthy.

In this embodiment, preferably, the suction port 41 is externally provided with a suction hood 411, and an edge of the suction hood 411 is bent downward. By providing the suction hood 411, a more effective dust suction effect can be achieved.

Preferably, the driving device 57 is a stepping motor or an air cylinder. By using a stepping motor or a cylinder, it can be easily implemented and operated.

In the present embodiment, a damper block 6 is preferably provided at the bottom outside the combustion chamber 1. Through the fixed snubber block 6 that is provided with, can realize absorbing effect to prevent to damage the inside part of equipment.

In this embodiment, it is preferable that the first suction box 7 is provided in the suction cover 411, and the first suction box 7 is engaged with the suction cover 411. The first absorption box 7 is arranged, so that toxic gas generated in the combustion process can be preliminarily filtered, absorbed and decomposed; by clamping the first suction box 7 and the suction hood 411, the effect of easy replacement and disassembly can be achieved.

Preferably, in the present embodiment, the second absorption box 8 is disposed in the dust collection box 44, and the second absorption box 8 is clamped with the dust collection box 44. The second absorption box 8 is arranged, so that toxic gas generated in the combustion process can be further filtered, absorbed and decomposed; by clamping the second absorption box 8 and the dust collection box 44, the effect of easy replacement and disassembly can be achieved.

As is preferable in the present embodiment, activated carbon is provided in the first absorption cassette 7 and the second absorption cassette 8. Through being provided with the active carbon, can realize good adsorption effect.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An atomic absorption spectrophotometer, comprising: a combustion chamber, wherein the bottom of the inner cavity of the combustion chamber is fixedly provided with a combustion pipe and a combustion head arranged at the upper end of the combustion pipe,

2. The atomic absorption spectrophotometer according to claim 1, wherein a suction hood is provided outside the suction port, and an edge of the suction hood is bent downward.

3. The atomic absorption spectrophotometer according to claim 1, wherein the driving means is a stepper motor or a pneumatic cylinder.

4. The atomic absorption spectrophotometer according to claim 1, wherein a damper block is provided at an outer bottom of the combustion chamber.

5. The atomic absorption spectrophotometer according to claim 2, wherein a first absorption cassette is disposed within the getter housing, the first absorption cassette and the getter housing being snap-fitted.

6. The atomic absorption spectrophotometer of claim 5, wherein a second absorption box is disposed within the ash box, the second absorption box and the ash box being snap-fitted.

7. The atomic absorption spectrophotometer of claim 6, wherein activated carbon is disposed within the first and second absorption cartridges.