CN215812275U

CN215812275U - High-efficient explosion-proof dust sample thief

Info

Publication number: CN215812275U
Application number: CN202121728223.1U
Authority: CN
Inventors: 何修建; 周忠梅; 侯杰; 汤敏
Original assignee: Chongqing Da'an Testing Technology Co ltd
Current assignee: Chongqing Da'an Testing Technology Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-02-11
Anticipated expiration: 2031-07-27

Abstract

The utility model belongs to the technical field of dust sampling, and particularly discloses a high-efficiency explosion-proof dust sampler, which comprises a case, wherein a collecting mechanism is arranged in the case, an analyzing mechanism for analyzing the flow of dust is arranged in the case, a spray head for wetting dust is arranged in the case, a filtering mechanism for filtering is arranged in the case, the filtering mechanism comprises an activated carbon adsorption box, the activated carbon adsorption box is detachably connected in the case, a rotating shaft is rotatably arranged in the activated carbon adsorption box, a spiral blade is fixedly arranged on the rotating shaft, one end of the rotating shaft penetrates out of the activated carbon adsorption box, and a power assembly for providing power for the rotating shaft is arranged on the case; according to the utility model, all the activated carbon can adsorb dust by stirring the activated carbon in the activated carbon adsorption box, and the adsorption capacity of a single activated carbon is occupied a little, so that the capacity of the whole activated carbon adsorption box can keep high-quality adsorption capacity for a long time, the cleaning frequency is reduced, and the sampling efficiency is improved.

Description

High-efficient explosion-proof dust sample thief

Technical Field

The utility model belongs to the technical field of dust sampling, and particularly discloses a high-efficiency explosion-proof dust sampler.

Background

Dust is a solid substance in a fine powder state, and dust which can be burned and exploded is called combustible dust, and when the combustible dust in the air reaches a certain concentration, explosion occurs at an excessively high temperature. In some current work scenes, for example, a coal plant, a flour mill and the like all need to process dust in the plant to prevent the dust concentration in the air from being too high, but personnel in the plant cannot know the processing result of the dust processing device and cannot know the dust concentration in the plant. Therefore, the dust sampling device is utilized to sample, and the dust concentration result is presented, so that people can be reminded of strengthening the dust concentration in the plant area, and the dust concentration in the plant area is reduced. It should be noted that the sampler needs to process the dust accumulated inside the sampler after sampling, but the dust accumulated in the sampler may explode in the sampler when encountering a heat source or an electronic device to generate heat.

In order to solve the problems, the prior art discloses Chinese patent with publication number CN207675500U, an explosion-proof dust sampler comprises a shell, a dust inlet is arranged on one side of the upper end of the shell, a sampling head is arranged between the inner walls of the two sides of the dust inlet, a partition plate is fixedly connected on the inner walls of the two sides of the upper end of the shell, a suction fan is arranged on the partition plate, the other end of the suction fan is connected with a second guide pipe, the other end of the second guide pipe penetrates through the partition plate, a water storage tank is arranged on one side of the upper end of the shell, a pipeline is communicated with the lower end of the water storage tank, a plurality of spray heads are arranged at equal intervals on the pipeline, a cleaning mechanism is arranged below the pipeline and comprises a frame body arranged on the inner walls of the two sides of the shell through a sliding mechanism, a filter screen is arranged in the frame body, a clamping plate is arranged at one end of the frame body, the dust which is drenched can fall onto the filter screen, water is filtered, the frame body is taken out by pulling a handle, and cleaning the dust on the filter screen. This scheme passes through the suction fan with the air suction, relies on the treater to handle and the analysis dust concentration in the air to show the result on the display, thereby reach the purpose that detects the dust concentration in the air, clean mechanism and shower nozzle combined action can clear up the dust. However, the following problems still exist with this solution: the dust falling on the filter screen and water form a mixture which is easy to block the filter holes, and the cleaning mechanism can not clean the filter holes on the filter screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-efficiency explosion-proof dust sampler, which aims to solve the problems that in the prior art, dust on a filter screen of the dust sampler is easy to block filter holes, and a cleaning mechanism cannot clean the filter holes.

In order to achieve the purpose, the technical scheme of the utility model provides a high-efficiency explosion-proof dust sampler which comprises a case, wherein a collecting mechanism is arranged in the case, an analysis mechanism for analyzing the flow rate of dust is arranged in the case, a spray head for wetting the dust is arranged in the case, a filtering mechanism for filtering is arranged in the case, a drain pipe is arranged at the bottom of the case, the filtering mechanism comprises an active carbon adsorption box, the active carbon adsorption box is detachably connected in the case, a rotating shaft is rotatably arranged in the active carbon adsorption box, a spiral blade is fixedly arranged on the rotating shaft, a water guide hole is formed in the upper part of the active carbon adsorption box, a filtering net is arranged at the bottom of the active carbon adsorption box, and filtering cloth is further arranged on the filtering net.

The technical principle of the scheme is as follows: the machine case is used for installing each mechanism, the collecting mechanism is used for collecting dust in the air, and the analyzing mechanism is used for analyzing and measuring the collected dust sample, so that the worker can know the dust concentration in the air at present and can timely perform dust treatment according to the concentration result; the dust that gets into the quick-witted case carries out the dust fall by shower nozzle spun water after detecting for dust and water mix and through filter mechanism's filtration, avoid the dust can be because of the overheated explosion that leads to of quick-witted incasement portion's thermoelectric power source and electron device. The filtering mechanism is an activated carbon adsorption box, the mixture of the dust and the water passing through the activated carbon adsorption box is adsorbed and decontaminated by using activated carbon, the dust is adsorbed into the activated carbon adsorption box, and the water is discharged through a drain pipe; in addition, a rotating shaft and a helical blade are arranged in the activated carbon adsorption box, so that the activated carbon can be stirred; the stirred activated carbon can adsorb dust, so that all the activated carbon can adsorb the dust, and all the activated carbon is fully utilized; the water guide hole is used for enabling a water flow and dust mixture to enter the activated carbon adsorption tank, a filter screen and filter cloth are arranged at the bottom of the activated carbon adsorption tank, the filter cloth is used for secondary filtration, and dust with large volume can be left in the activated carbon adsorption tank, so that the effluent water is kept clean; and the active carbon that gets up of activity can prevent that the dust from gluing on the filter screen to make the filter screen block, reduce filterable efficiency.

The technical effect of the scheme is as follows: compared with the prior art, the utility model adsorbs dust by utilizing the adsorption capacity of the activated carbon, when part of the activated carbon adsorbs the dust, the adsorption capacity is reduced, at the moment, the helical blade stirs the activated carbon, so that other activated carbon can rapidly replace the adsorbed activated carbon, the activated carbon can keep high-efficiency adsorption of impurities for a long time in the process of adsorbing the dust, the activated carbon can move in the activated carbon adsorption box through the stirring of the helical blade, the unsmooth water flow caused by excessive dust adsorption in the activated carbon adsorption box is prevented, the filter cloth is used for secondary filtration, large-volume dust can be left in the activated carbon adsorption box, the effluent water is kept clean, and the moving activated carbon can prevent the dust from sticking on the filter net, so that the filter net is blocked, and the filtration efficiency is reduced, the sampler can keep working efficiently for a long time.

Compared with the traditional standing activated carbon layer, the water flow mixed dust flows through the activated carbon, and the activated carbon adsorbs impurities layer by layer, so that the activated carbon on the upper layer often adsorbs more impurities, and then gradually passes through the lower layer and is adsorbed by the activated carbon on the lower layer to remove impurities; in the past, the active carbon on the upper layer can quickly lose the adsorption capacity, the adsorption capacity of the active carbon on the lower layer is still in a full state, only the active carbon on the lower layer can adsorb dust after subsequent adsorption and impurity removal, and the adsorption capacity can be quickly weakened; and the active carbon after the stirring, when adsorbing at every turn, all active carbon can both adsorb the dust, consequently adsorb at every turn the dust all can be even dispersed to the active carbon of each part, the adsorption efficiency of the active carbon of each part is occupied and is done seldom, consequently can make the high-quality adsorption efficiency of keeping that whole active carbon adsorption case can the long time, needn't often clear up or change the active carbon, extension active carbon's live time.

Further, the collection mechanism comprises a collection head and an air pump, a partition plate is fixedly mounted in the case, the air pump is mounted on the partition plate, and the collection head is mounted on the case and communicated with the air pump in the case.

Has the advantages that: the clapboard is used for installing the collecting mechanism, the air pump generates suction, and dust enters the case from the collecting head and is analyzed and detected by the analyzing mechanism.

Furthermore, the analysis mechanism comprises a photoelectric dust meter, the photoelectric dust meter is installed between the collecting head and the air pump, a display is further installed on the case, and after the photoelectric dust meter processes the detection result, the processing result is transmitted to the display.

Has the advantages that: the dust is inhaled by the acquisition head to the dust passes through the photoelectric dust meter, and the photoelectric dust meter analyzes and detects the dust and transmits the result to the display, and the display is used for displaying the detection result.

Furthermore, the partition board is hollow, the spray head is installed on the lower portion of the partition board and communicated with the partition board, a water storage tank is further arranged on the case and communicated with the partition board, a water discharge pipe is communicated with the water storage tank, and a circulating pump is installed on the water discharge pipe.

Has the advantages that: the water storage tank is used for storing the filtered water and spraying the water out through the spray head again, so that the water is recycled and reused to save energy; the inside cavity of baffle, water in the water storage tank can pass through the baffle to carry out the heat transfer to the photoelectric dust meter and the air pump of baffle top, prevent that the inside high temperature of photoelectric dust meter and air pump from, thereby can cause its inside dust to explode.

Furthermore, the case is fixedly provided with an installation block for placing the activated carbon adsorption box.

Has the advantages that: the installation piece is used for placing the activated carbon adsorption case, is convenient for the dismantlement of activated carbon adsorption case.

Furthermore, a fan cover is arranged at the upper part of the case, a support is arranged on the inner wall of the fan cover, a motor is fixedly installed on the support, and a fan blade is sleeved on an output shaft of the motor.

Has the advantages that: the instruments such as the photoelectric dust meter and the air pump on the baffle are radiated, and the internal temperature of the photoelectric dust meter and the air pump is further prevented from being too high, so that the internal dust can be exploded.

Drawings

FIG. 1 is a front cross-sectional view of a high efficiency explosion-proof dust sampler of the present invention;

FIG. 2 is an enlarged schematic view of part A of a high efficiency explosion-proof dust sampler according to the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a case 1, a fan cover 2, a support 3, a first motor 4, fan blades 5, a drain pipe 6, a partition plate 7, a collecting head 8, an air pump 9, a photoelectric dust measuring instrument 10, a display 11, a spray head 12, a water storage tank 13, a circulating pump 14, an activated carbon adsorption tank 15, a mounting block 16, a rotating shaft 17, a helical blade 18 and a second motor 19.

Examples are shown in FIGS. 1-2: a high-efficiency explosion-proof dust sampler comprises a case 1, a fan cover 2 is clamped on the upper portion of the case 1, a support 3 is welded on the inner wall of the fan cover 2, a first motor 4 is installed on the support 3, a fan blade 5 is sleeved on an output shaft of the first motor 4, a drain pipe 6 is installed at the bottom of the case 1, a partition plate 7 is welded in the case 1, a collecting mechanism is installed on the partition plate 7 and comprises a collecting head 8 and an air pump 9, the air pump 9 is installed on the partition plate 7, the collecting head 8 is installed on the case 1 and is communicated with the air pump 9 in the case 1, an analyzing mechanism for analyzing dust flow is arranged in the case 1 and comprises a photoelectric dust meter 10, the photoelectric dust meter 10 is installed between the collecting head 8 and the air pump 9, the photoelectric dust meter 10 analyzes dust data, a display 11 is also installed on the case 1, and after the detection result is processed by the photoelectric dust meter 10, the processing result is transmitted to the display 11.

The interior of the partition board 7 is hollow, a spray head 12 is installed on the lower portion of the partition board 7, the spray head 12 is communicated with the partition board 7, a water storage tank 13 is further welded on the case 1, the water storage tank 13 is communicated with the partition board 7, a drain pipe 6 is communicated with the water storage tank 13, a circulating pump 14 is installed on the drain pipe 6, a filtering mechanism for filtering is arranged in the case 1, the filtering mechanism comprises an activated carbon adsorption tank 15, a mounting block 16 for mounting the activated carbon adsorption tank 15 is welded on the case wall of the case 1, a rotating shaft 17 is rotatably installed in the activated carbon adsorption tank 15, a spiral blade 18 is fixedly installed on the rotating shaft 17, one end of the rotating shaft 17 penetrates out of the activated carbon adsorption tank 15, a second motor 19 for providing power for the rotating shaft 17 is installed on the case 1, the rotating shaft 17 is in joggled connection with an output shaft of the second motor 19, a threaded hole is formed in the joggled connection position, and a limit screw is connected with the threaded hole, the upper part of the activated carbon adsorption box 15 is provided with a water guide hole, the bottom of the activated carbon adsorption box 15 is clamped with a filter screen, and the filter screen is also provided with filter cloth.

The specific implementation mode is as follows:

a user places the sampler in a place needing sampling, then starts the sampler, the air pump 9 generates suction force, dust enters the photoelectric dust measuring instrument 10 in the case 1 through the collecting head 8, the photoelectric dust measuring instrument 10 analyzes the dust entering the photoelectric dust measuring instrument, a detection result is transmitted to the display 11, and the display 11 displays the result, so that plant personnel can know the dust concentration of a plant at any time, and the treatment strength of the plant dust can be enhanced according to the dust concentration; dust after photoelectric dust meter 10 analysis and detection, the below of baffle 7 is discharged under the effect of air pump 9, shower nozzle 12 spun water carries out the dust fall to the dust this moment, the mixture of dust and water passes through activated carbon adsorption case 15 this moment, activated carbon adsorbs the dust into in activated carbon adsorption case 15, water after the adsorption filtration is discharged from the filtration pore, these water are discharged to storage water tank 13 under the effect of circulating pump 14 finally, rivers in the storage water tank 13 are to in the baffle 7, and carry out the heat transfer to devices such as photoelectric dust meter 10 and air pump 9 above baffle 7, make shower nozzle 12 continuously spray water simultaneously, reuse the energy saving with this water cycle.

When water and dust mixture flow through activated carbon adsorption case 15, after some active carbon adsorbs the dust, the adsorption efficiency descends, helical blade 18 stirs the active carbon this moment, make the active carbon that other transposition that the active carbon can be quick has adsorbed, let the dust by the long-time high efficiency adsorption impurity that keeps of adsorption in-process active carbon, and the stirring through helical blade 18 makes the active carbon move about in activated carbon adsorption case 15, thereby prevent to lead to rivers unsmooth because of adsorbing too much dust in the activated carbon adsorption case 15, thereby improve filterable efficiency, make the sample thief can long-time maintenance work, do not need frequently to clear up filtering mechanism. The water flow mixed dust flows through the activated carbon, and the activated carbon adsorbs impurities layer by layer, so that the activated carbon on the upper layer can adsorb more impurities, and then gradually passes through the lower layer and is adsorbed by the activated carbon on the lower layer to remove impurities; in the past, the active carbon on the upper layer can quickly lose the adsorption capacity, the adsorption capacity of the active carbon on the lower layer is still in a full state, only the active carbon on the lower layer can adsorb dust after subsequent adsorption and impurity removal, and the adsorption capacity can be quickly weakened; and the active carbon after the stirring, when adsorbing at every turn, all active carbon can both adsorb the dust, consequently adsorb at every turn the dust all can be even dispersed to the active carbon of each part, the adsorption efficiency of the active carbon of each part is occupied very little, consequently can make whole active carbon adsorption tank 15 can the high-quality adsorption efficiency of the maintenance of long period, needn't often clear up or change the active carbon, the live time of extension active carbon, the filter cloth is used for secondary filter, can stay the big dust in active carbon adsorption tank 15, make the water that flows out keep clean, and the active carbon that the activity got up can prevent that the dust from gluing on the filter screen, thereby make the filter screen block, reduce filterable efficiency, make the sample thief can the high-efficient work of long-time keeping.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The utility model provides a high-efficient explosion-proof dust sampler, includes quick-witted case, is equipped with collection mechanism in the quick-witted case, is equipped with the analysis mechanism who is used for analyzing the dust flow in the quick-witted case, installs the shower nozzle that is used for drenching the dust in the quick-witted case, is equipped with in the quick-witted case to be used for filterable filtering mechanism, and the bottom of quick-witted case is equipped with drain pipe, its characterized in that: the filter mechanism includes the active carbon adsorption case, and the active carbon adsorption case can be dismantled and be connected in the quick-witted case, rotates in the active carbon adsorption case and installs the axis of rotation, and fixed mounting has helical blade in the axis of rotation, open on the upper portion of active carbon adsorption case has the water guide hole, and the bottom of active carbon adsorption case is equipped with the filter screen, still is equipped with the filter cloth on the filter screen.

2. The highly efficient explosion-proof dust sampler of claim 1, wherein: the collecting mechanism comprises a collecting head and an air pump, a partition plate is fixedly mounted in the case, the air pump is mounted on the partition plate, and the collecting head is mounted on the case and communicated with the air pump in the case.

3. The highly efficient explosion-proof dust sampler of claim 2, wherein: the analysis mechanism comprises a photoelectric dust meter, the photoelectric dust meter is installed between the collecting head and the air pump, a display is further installed on the case, and after the photoelectric dust meter processes the detection result, the processing result is transmitted to the display.

4. A highly efficient explosion-proof dust sampler as recited in claim 3, further comprising: the machine case is characterized in that the partition board is hollow, the spray head is installed on the lower portion of the partition board and communicated with the partition board, a water storage tank is further arranged on the machine case and communicated with the partition board, the water discharge pipe is communicated with the water storage tank, and a circulating pump is installed on the water discharge pipe.

5. The highly efficient explosion-proof dust sampler of claim 1, wherein: and the case is fixedly provided with an installation block for placing the activated carbon adsorption box.

6. The highly efficient explosion-proof dust sampler of claim 1, wherein: the fan housing is arranged at the upper part of the case, the inner wall of the fan housing is provided with a support, the support is fixedly provided with a motor, and the output shaft of the motor is sleeved with fan blades.