CN114608903B - Intelligent dust collection and analysis device with filter membrane structure - Google Patents
Intelligent dust collection and analysis device with filter membrane structure Download PDFInfo
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- CN114608903B CN114608903B CN202210234487.4A CN202210234487A CN114608903B CN 114608903 B CN114608903 B CN 114608903B CN 202210234487 A CN202210234487 A CN 202210234487A CN 114608903 B CN114608903 B CN 114608903B
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- 239000012528 membrane Substances 0.000 title claims abstract description 222
- 239000000428 dust Substances 0.000 title claims abstract description 97
- 238000003860 storage Methods 0.000 claims abstract description 93
- 238000009413 insulation Methods 0.000 claims abstract description 30
- 230000035939 shock Effects 0.000 claims abstract description 30
- 238000005070 sampling Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 18
- 210000000078 claw Anatomy 0.000 claims description 11
- 210000003813 thumb Anatomy 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 description 18
- 238000005303 weighing Methods 0.000 description 12
- 238000005457 optimization Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000002699 waste material Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006806 disease prevention Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/02—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by absorbing or adsorbing components of a material and determining change of weight of the adsorbent, e.g. determining moisture content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N2015/0662—Comparing before/after passage through filter
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Abstract
The invention discloses an intelligent dust collecting and analyzing device with a filter membrane structure, which comprises a shock insulation plate, wherein a filter membrane component, a gas conveying component and a bearing component are arranged in the shock insulation plate, the gas conveying component comprises an upper pre-catcher, a precision flowmeter, a gas inlet pipe, a lower pre-catcher, a telescopic pipe and an exhaust pipe, the upper pre-catcher and the lower pre-catcher are respectively arranged on the upper surface and the lower surface of a filter membrane storage disc, when the gas conveying component is ventilated, gas sequentially enters filter membranes in filter membrane holes through the gas inlet pipe, the precision flowmeter and the upper pre-catcher, and the gas is sequentially discharged through the lower pre-catcher, the telescopic pipe, a sampling pump and the exhaust pipe after dust in the gas is intercepted by the filter membranes, so that the purpose of intercepting the dust in the gas is realized.
Description
Technical Field
The invention relates to the technical field of intelligent dust collecting and analyzing devices, in particular to an intelligent dust collecting and analyzing device with a filter membrane structure.
Background
The dust sampler is a portable device for collecting dust samples in dust-containing air. The dust concentration in the air is measured, and besides the requirement of safety production management, the dust concentration measuring instrument also aims to provide scientific basis for researching measures of dust prevention, dust fall and dust removal. The dust measurement by using the sampler is a well-known method with higher accuracy. The device is widely applied to health monitoring and evaluation of departments such as disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, metallurgy, petrochemical industry, railways, building materials and the like, and is specially used for measuring the average concentration of dust in the air in workplaces of production teams and groups.
In the prior art, an intelligent dust collecting and analyzing device can only collect and analyze dust in air once, the determination efficiency is low, and the determination step comprises the steps of filtering and intercepting the part of dust through a filter membrane, then integrally moving the filter membrane and the dust to a load-bearing device for bearing, so that loss is inevitable in the transferring process, and the dust collecting and analyzing efficiency is reduced; therefore, the intelligent dust collecting and analyzing device with the filter membrane structure is provided for solving the problems.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an intelligent dust collecting and analyzing device with a filter membrane structure, when a gas conveying assembly is ventilated, gas enters a filter membrane in a filter membrane hole sequentially through a gas inlet pipe, a precision flowmeter and an upper pre-catcher, and the gas is discharged sequentially through a lower pre-catcher, a telescopic pipe, a sampling pump and an exhaust pipe after the dust in the gas is intercepted by the filter membrane, so that the purpose of intercepting the dust in the gas is realized.
In order to achieve the above object, an intelligent dust collection and analysis device with a filter membrane structure according to the present invention includes:
the vibration isolation plate is internally provided with a filter membrane component, a gas conveying component and a bearing component, the gas conveying component comprises an upper pre-catcher, a precision flowmeter, a gas inlet pipe, a lower pre-catcher, a telescopic pipe and an exhaust pipe, the upper pre-catcher and the lower pre-catcher are respectively arranged on the upper surface and the lower surface of a filter membrane storage disc, the upper end of the upper pre-catcher is integrally provided with the gas inlet pipe, the gas inlet pipe is provided with the precision flowmeter, the telescopic pipe is communicated below the lower pre-catcher, the lower end of the lower pre-catcher is provided with a sampling pump, and the exhaust pipe is arranged on one side of the sampling pump;
the filter membrane assembly comprises a filter membrane storage disc and filter membrane holes arranged on the filter membrane storage disc, wherein a plurality of groups of filter membrane holes are arranged in a circular hole-shaped structure, the plurality of groups of filter membrane holes are distributed on the outer ring of the filter membrane storage disc in a circular array shape, a convex ring is arranged on the inner wall of the lower end of each filter membrane hole, a filter membrane is arranged in each filter membrane hole, the filter membrane is placed on the surface of the convex ring, and one group of filter membrane holes in the filter membrane storage disc correspond to the position between the upper pre-catcher and the lower pre-catcher;
the bearing assembly comprises an electronic balance, a bearing disc is arranged at the upper end of the electronic balance and corresponds to the lower part of the group of filter membrane holes, and the bearing disc is positioned on one side, away from the upper pre-catcher, of the filter membrane storage disc.
As a further optimization of the scheme, the two groups of shock insulation plates are arranged, the two groups of shock insulation plates are distributed up and down, and four corners of the two groups of shock insulation plates are fixedly connected through the brackets.
It should be noted that, when the gas conveying assembly is ventilated, gas enters the filter membrane in the filter membrane hole sequentially through the gas inlet pipe, the precision flowmeter and the upper pre-catcher, and the gas is discharged sequentially through the lower pre-catcher, the telescopic pipe, the sampling pump and the exhaust pipe after dust in the gas is intercepted by the filter membrane, so that the purpose of intercepting the dust in the gas is achieved, and in the device, different filter membranes can be switched to positions corresponding to the upper pre-catcher and the lower pre-catcher when the filter membrane storage disc is rotated, so that the dust is collected and analyzed for many times at one time, and the efficiency of dust collection and analysis is improved;
and the filter membrane storage dish when rotating, when the filter membrane rotated to corresponding bearing plate top, moved down through the push rod promotion filter membrane storage dish for the bearing plate jack-up with the filter membrane, thereby held the weight of the filter membrane that contains the dust, realized automatic sampling, the automatic weighing of dust, eliminated the error influence that artifical trade membrane, filter membrane transportation, manual weighing etc. brought, the dust concentration in the accurate measurement colliery in the pit realizes online high-efficient dust measurement, thereby strengthens coal mine safety production.
As a further optimization of the above scheme, a control device is arranged on one side of the upper pre-catcher and one side of the lower pre-catcher, the control device comprises a micro electric cylinder, a parallel thumb is arranged on the micro electric cylinder, a mechanical claw is fixed on the parallel thumb through a screw, the mechanical claw is provided with an upper group and a lower group, and the parallel thumb and the lower pre-catcher are respectively arranged on the upper group and the lower group of mechanical claws.
Furthermore, the control device can be used for operating the upper pre-catcher and the lower pre-catcher to clamp between the two groups of filter membrane storage discs, so that the filter membrane holes are sealed, air enters the upper pre-catcher from the air inlet pipe and completely passes through the filter membrane, and dust in the air uniformly acts on the upper surface of the filter membrane.
As a further optimization of the scheme, the surfaces, close to each other, of the upper pre-catcher and the lower pre-catcher are fixedly provided with sealing rubber rings, the sealing rubber rings are attached to the surface of the filter membrane storage disc, and the sealing rubber rings are of annular structures.
Specifically, the purpose of sealing up in filter membrane hole top position is played to the sealing rubber circle, in the device, as extending, the dust quality that equipment not only can realize ten times detects, still can realize the quality detection more than ten times, because of the design of bearing disc, can realize continuous rotation of filter membrane memory disc, realize the quality detection of twenty thirty times, only need subtract the volume that the weight of measuring last time can record the dust when measuring the weight of the filter membrane of next set of correspondence, therefore, the clothes hanger is strong in practicability, but cyclic utilization, the waste phenomenon that disposable appears has been avoided.
As a further optimization of the scheme, ten groups of filter membrane holes are arranged in a circular array at the outer ring of the filter membrane storage disc.
Wherein, ten filter membranes can be stored once for ten times of dust quality detection and are precisely controlled by the dividing disc; a spring is arranged between the dividing disc and the filter membrane storage disc, and a clamping block below the spring is in an inverted concave design and moves along with the dividing disc and the filter membrane storage disc; the push rod is fixed above the filter membrane storage disc and coaxial with the filter membrane storage disc, the push rod is driven by the controller to realize slow up-and-down reciprocating motion, the push rod slowly moves downwards, the filter membrane storage disc is compressed by the downward-moving spring under the action of thrust, the push rod slowly moves upwards, the stress of the filter membrane storage disc is removed, the spring rebounds, and the filter membrane storage disc returns to the original position.
As a further optimization of the scheme, the top of the upper group of shock insulation plates is fixedly provided with a push rod, and the bottom of the push rod corresponds to the middle position right above the filter membrane storage disc.
In the device, an electric push rod, an air cylinder or the like can be used as the push rod.
As a further optimization of the scheme, an index plate for driving the filter membrane storage disc to rotate is arranged on the lower group of shock insulation plates, the index plate is arranged in the middle of the lower portion of the filter membrane storage disc, a transmission groove is formed in the middle of the index plate, a connecting plate is fixedly arranged on the transmission groove, a transmission unit fixed to the surface of the lower group of shock insulation plates is movably arranged in the transmission groove, and the upper end of the transmission unit is in transmission connection with a transmission shaft fixed to the connecting plate.
When the dust quality measuring device is used, the transmission unit can use devices such as a servo motor, and the transmission unit can control the dividing disc and the filter membrane storage disc to rotate when being started, so that the dust quality can be measured for multiple times.
As a further optimization of the scheme, a clamping groove is formed in the upper end of the dividing plate, a clamping block is fixedly connected to the lower end of the filter membrane storage plate through a spring, and the clamping block is clamped in the clamping groove.
Furthermore, the filter membrane storage disc is driven to rotate when the dividing disc rotates by the connection between the clamping block and the clamping groove, and the lifting of the filter membrane storage disc is not influenced, so that the practicability is high.
As a further optimization of the scheme, the bottom of the electronic balance is fixedly arranged on the upper surface of the lower group of shock insulation plates, and one side of the lower group of shock insulation plates is provided with an electric cylinder support which is supported on one side of the filter membrane hole.
During actual work, the vibration isolation plate is further provided with a controller, the controller is connected with an RS communication interface of the electronic balance and used for controlling weighing zero clearing and weighing quantity reading of the electronic balance, and the controller reads air flow rate of the current environment to be tested measured by the precision flowmeter and controls the sampling pump to pump air at constant speed.
As a further optimization of the scheme, the shock insulation plate is further provided with a controller, and the controller is connected with an RS communication interface of the electronic balance.
Specifically, the controller is not shown in the figure.
The intelligent dust collecting and analyzing device with the filter membrane structure has the following beneficial effects:
1. according to the intelligent dust collecting and analyzing device with the filter membrane structure, when a gas conveying assembly is ventilated, gas sequentially enters the filter membrane in the filter membrane hole through the gas inlet pipe, the precision flowmeter and the upper pre-catcher, and the gas is sequentially discharged through the lower pre-catcher, the telescopic pipe, the sampling pump and the exhaust pipe after the dust in the gas is intercepted by the filter membrane, so that the purpose of intercepting the dust in the gas is achieved, in the device, different filter membranes can be switched to positions corresponding to the upper pre-catcher and the lower pre-catcher when a filter membrane storage disc is rotated, and therefore the dust collecting and analyzing are collected and analyzed for many times at one time, and the dust collecting and analyzing efficiency is improved;
2. according to the intelligent dust collecting and analyzing device with the filter membrane structure, when the filter membrane storage disc rotates and the filter membrane rotates to the position above the corresponding bearing disc, the filter membrane storage disc is pushed to move downwards through the push rod, so that the bearing disc jacks up the filter membrane, the weight of the filter membrane containing dust is taken, automatic sampling and automatic weighing of dust are realized, error influences caused by manual membrane replacement, filter membrane transportation, manual weighing and the like are eliminated, the dust concentration under a coal mine is accurately measured, online high-efficiency dust measurement is realized, and the safety production of the coal mine is enhanced;
3. according to the intelligent dust collection and analysis device with the filter membrane structure, the control device can be used for operating the upper pre-catcher and the lower pre-catcher to be clamped between the two groups of filter membrane storage discs, so that filter membrane holes are sealed, air enters the upper pre-catcher from the air inlet pipe and completely passes through the filter membrane, and dust in the air uniformly acts on the upper surface of the filter membrane;
4. according to the intelligent dust collecting and analyzing device with the filter membrane structure, the sealing rubber ring plays a role in sealing the position above the filter membrane hole, in the device, as extension, the equipment can realize not only ten times of dust quality detection but also more than ten times of quality detection, due to the design of the bearing disc, the filter membrane storage disc can continuously rotate, twenty times and thirty times of quality detection are realized, the dust amount can be measured only by subtracting the weight measured last time when the weight of the next group of corresponding filter membranes is measured, the practicability is high, the dust collecting and analyzing device can be recycled, and the waste phenomenon caused by disposable use is avoided;
5. according to the intelligent dust collection and analysis device with the filter membrane structure, ten times of dust quality detection can be carried out by storing ten filter membranes at one time, and the dust quality detection is accurately controlled by the dividing plate; a spring is arranged between the dividing disc and the filter membrane storage disc, and a clamping block below the spring is in an inverted concave design and moves along with the dividing disc and the filter membrane storage disc; the push rod is fixed above the filter membrane storage disc and coaxial with the filter membrane storage disc, the push rod is driven by the controller to realize slow up-and-down reciprocating motion, the push rod slowly moves downwards, the filter membrane storage disc is compressed by the downward-moving spring under the action of thrust, the push rod slowly moves upwards, the stress of the filter membrane storage disc is removed, the spring rebounds, and the filter membrane storage disc returns to the original position.
There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, since the embodiments of the invention include many variations, modifications, and equivalents within the spirit and scope of the appended claims.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the index plate of the present invention;
fig. 3 is a schematic structural diagram of a control device according to the present invention.
In the figure: the device comprises a shock insulation plate 1, a support 2, a filter membrane storage disc 3, a filter membrane hole 4, a filter membrane 5, a push rod 6, a bearing disc 7, an electronic balance 8, an indexing disc 9, a lower pre-catcher 10, a telescopic pipe 11, a sampling pump 12, an exhaust pipe 13, a control device 14, an upper pre-catcher 15, a precision flowmeter 16, an air inlet pipe 17, a spring 18, a fixture block 19, a transmission shaft 20, a connecting plate 21, a transmission unit 22, a transmission groove 23, a micro electric cylinder 24, a parallel thumb 25, a mechanical claw 26 and a sealing rubber ring 27.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail by the embodiments in the drawings. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached fig. 1-3 of the specification, the invention provides a technical scheme: an intelligent dust collection and analysis device with a filter membrane structure comprises:
the vibration isolation plate 1 is provided with a filter membrane assembly, a gas conveying assembly and a bearing assembly, wherein the gas conveying assembly comprises an upper pre-catcher 15, a precision flowmeter 16, a gas inlet pipe 17, a lower pre-catcher 10, a telescopic pipe 11 and an exhaust pipe 13, the upper pre-catcher 15 and the lower pre-catcher 10 are respectively arranged on the upper surface and the lower surface of the filter membrane storage disc 3, the upper end of the upper pre-catcher 15 is integrally provided with the gas inlet pipe 17, the precision flowmeter 16 is arranged on the gas inlet pipe 17, the telescopic pipe 11 is communicated below the lower pre-catcher 10, the lower end of the lower pre-catcher 10 is provided with a sampling pump 12, and the exhaust pipe 13 is arranged on one side of the sampling pump 12;
the filter membrane assembly comprises a filter membrane storage disc 3 and filter membrane holes 4 arranged on the filter membrane storage disc 3, the filter membrane holes 4 are in a circular hole-shaped structure and are provided with a plurality of groups, the groups of filter membrane holes 4 are distributed on the outer ring of the filter membrane storage disc 3 in a circular array shape, a protruding ring is arranged on the inner wall of the lower end of each filter membrane hole 4, a filter membrane 5 is arranged in each filter membrane hole 4, the filter membrane 5 is placed on the surface of the protruding ring, and one group of filter membrane holes 4 on the filter membrane storage disc 3 correspond to the position between the upper pre-catcher 15 and the lower pre-catcher 10;
the bearing assembly comprises an electronic balance 8, a bearing disc 7 is arranged at the upper end of the electronic balance 8, the bearing disc 7 corresponds to the lower part of the group of filter membrane holes 4, and the bearing disc 7 is positioned on one side, far away from the upper pre-catcher 15, of the filter membrane storage disc 3.
The shock insulation plates 1 are provided with two groups, the two groups of shock insulation plates 1 are distributed up and down, and four corners of the two groups of shock insulation plates 1 are fixedly connected through the brackets 2.
It should be noted that, when the gas conveying assembly is ventilated, gas enters the filter membrane 5 in the filter membrane hole 4 sequentially through the gas inlet pipe 17, the precision flowmeter 16 and the upper pre-catcher 15, and after dust in the gas is intercepted by the filter membrane 5, the gas is discharged sequentially through the lower pre-catcher 10, the telescopic pipe 11, the sampling pump 12 and the exhaust pipe 13, so that the purpose of intercepting the dust in the gas is achieved, and in the device, different filter membranes 5 can be switched to positions corresponding to the upper pre-catcher 15 and the lower pre-catcher 10 when the filter membrane storage disc 3 is rotated, so that the dust is collected and analyzed for many times at one time, and the efficiency of dust collection and analysis is improved;
and filter membrane storage disc 3 is when rotating, when filter membrane 5 rotated to corresponding bearing plate 7 top, promoted filter membrane storage disc 3 through push rod 6 and moved down, make bearing plate 7 jack-up filter membrane 5, thereby hold the weight of the filter membrane 5 who gets to contain the dust, realized the automatic sampling of dust, automatic weighing, eliminate the error influence that the manual work traded membrane, the filter membrane transportation, manual weighing etc. brought, the dust concentration in the colliery of accurate measurement pit, realize online high-efficient dust measurement, thereby strengthen colliery safety in production.
One side of the upper pre-catcher 15 and one side of the lower pre-catcher 10 are provided with a control device 14, the control device 14 comprises a micro electric cylinder 24, the micro electric cylinder 24 is provided with a parallel thumb 25, the parallel thumb 25 is fixed with a mechanical claw 26 through a screw, the mechanical claw 26 is provided with an upper group and a lower group, and the parallel thumb 25 and the lower pre-catcher 10 are respectively arranged on the upper group and the lower group of mechanical claws 26.
Further, the control device 14 is operable to operate the upper and lower pre-catchers 15, 10 to be clamped between the two sets of filter storage discs 3 to seal the filter pores 4, so that air is drawn into the upper pre-catcher 15 through the filter membrane 5 via the air inlet pipe 17 and passes through the filter membrane 5 completely, thereby applying dust in the air to the upper surface of the filter membrane 5 uniformly.
The surfaces of the upper pre-catcher 15 and the lower pre-catcher 10, which are close to each other, are fixedly provided with sealing rubber rings 27, the sealing rubber rings 27 are attached to the surface of the filter membrane storage disc 3, and the sealing rubber rings 27 are of an annular structure.
Specifically, the purpose of sealing up in filter membrane hole 4 top position is played to sealing rubber ring 27, in the device, as extending, equipment not only can realize ten times dust quality detection, still can realize the quality detection more than ten times, because of the design of bearing disc 7, can realize filter membrane storage disc 3 continuous rotation, realize twenty times thirty times quality detection, only need subtract the weight of measuring last time when measuring the weight of next group of corresponding filter membrane 5 and can record the volume of dust, therefore, the clothes hanger is strong in practicability, and can be recycled, the waste phenomenon that disposable appears has been avoided.
Ten groups of filter membrane holes 4 are arranged on the outer ring of the filter membrane storage disk 3 in a circular array shape.
Wherein, ten times of dust quality detection can be carried out by storing ten filter membranes 5 at a time, and the dust quality detection is accurately controlled by the dividing disc 9; a spring 18 is arranged between the dividing disc 9 and the filter membrane storage disc 3, and a clamping block 19 below the spring 18 is in an inverted concave design and moves along with the dividing disc 9 and the filter membrane storage disc 3; the push rod 6 is fixed above the filter membrane storage disc 3 and coaxial with the filter membrane storage disc 3, the push rod is driven by a controller to realize slow up-and-down reciprocating motion, the push rod 6 slowly moves downwards, the filter membrane storage disc 3 is compressed by the downward moving spring 18 under the action of thrust, the push rod 6 slowly moves upwards, the stress of the filter membrane storage disc 3 is removed, the spring 18 rebounds, and the filter membrane storage disc 3 returns to the original position.
The top of the upper group of shock insulation plates 1 is fixedly provided with a push rod 6, and the bottom of the push rod 6 corresponds to the middle position right above the filter membrane storage disc 3.
In the device, the push rod 6 may be an electric push rod or an air cylinder.
The lower group of shock insulation plates 1 are provided with index plates 9 for driving the filter membrane storage disc 3 to rotate, the index plates 9 are arranged in the middle of the lower portion of the filter membrane storage disc 3, transmission grooves 23 are formed in the middle positions of the index plates 9, connecting plates 21 are fixedly arranged on the transmission grooves 23, transmission units 22 fixed on the surfaces of the lower group of shock insulation plates 1 are movably arranged in the transmission grooves 23, and the upper ends of the transmission units 22 are in transmission connection with transmission shafts 20 fixed on the connecting plates 21.
When the dust quality measuring device is used, the transmission unit 22 can use devices such as a servo motor, and the like, and when the transmission unit 22 is started, the dividing disc 9 and the filter membrane storage disc 3 can be controlled to rotate, so that the dust quality can be measured for multiple times.
The upper end of the dividing plate 9 is provided with a clamping groove, the lower end of the filter membrane storage plate 3 is fixedly connected with a clamping block 19 through a spring 18, and the clamping block 19 is clamped in the clamping groove.
Furthermore, the connection between the clamping block 19 and the clamping groove at the upper end of the filter membrane storage disc 3 enables the dividing disc 9 to rotate while driving the filter membrane storage disc 3 to rotate, and meanwhile, the lifting of the filter membrane storage disc 3 is not influenced, and the practicability is high.
The bottom of the electronic balance 8 is fixedly arranged on the upper surface of the lower group of shock insulation plates 1, and one side of the lower group of shock insulation plates 1 is provided with an electric cylinder support which is supported on one side of the filter membrane hole 4.
During actual work, the vibration isolation plate 1 is further provided with a controller, the controller is connected with an RS485 communication interface of the electronic balance 8 and used for controlling weighing zero clearing and weighing quantity reading of the electronic balance 8, and the controller reads the air flow rate of the current environment to be tested measured by the precision flowmeter 16 and controls the sampling pump 12 to pump air at a constant speed.
The shock insulation plate 1 is also provided with a controller, and the controller is connected with an RS485 communication interface of the electronic balance 8.
Specifically, the controller is not shown in the figure.
The intelligent dust collection and analysis device with the filter membrane structure provided by the embodiment has the following working process:
when the gas conveying assembly is ventilated, gas sequentially enters the filter membrane 5 in the filter membrane hole 4 through the gas inlet pipe 17, the precision flowmeter 16 and the upper pre-catcher 15, and the gas is sequentially discharged through the lower pre-catcher 10, the telescopic pipe 11, the sampling pump 12 and the exhaust pipe 13 after dust in the gas is intercepted by the filter membrane 5, so that the purpose of intercepting the dust in the gas is achieved, in the device, different filter membranes 5 can be switched to positions corresponding to the upper pre-catcher 15 and the lower pre-catcher 10 when the filter membrane storage disc 3 is rotated, and therefore, the dust is collected and analyzed for multiple times at one time, and the dust collection and analysis efficiency is improved;
and filter membrane storage disc 3 is when rotating, when filter membrane 5 rotated to corresponding bearing dish 7 top, it moves down to promote filter membrane storage disc 3 through push rod 6, make bearing dish 7 jack-up filter membrane 5, thereby hold the weight of the filter membrane 5 who gets to contain the dust, the automatic sampling of dust, automatic weighing have been realized, eliminate the manual work and trade the membrane, the filter membrane transportation, the error influence that brings such as manual weighing, the dust concentration in the accurate measurement colliery in the pit, realize online high-efficient dust measurement, thereby strengthen colliery safety in production.
The control device 14 is operable to operate the upper and lower pre-traps 15, 10 to be clamped between the two sets of filter storage trays 3 to seal the filter pores 4 so that air entering the upper pre-trap 15 through the inlet duct 17 passes completely through the filter membrane 5 to apply dust in the air uniformly to the upper surface of the filter membrane 5.
The sealing rubber ring 27 plays a role in sealing the position above the filter membrane hole 4, in the device, as extension, the device can realize not only ten times of dust quality detection but also more than ten times of quality detection, due to the design of the bearing disc 7, the continuous rotation of the filter membrane storage disc 3 can be realized, twenty times and thirty times of quality detection can be realized, the dust amount can be measured only by subtracting the weight measured last time when the weight of the next group of corresponding filter membranes 5 is measured, the practicability is strong, the recycling can be realized, and the waste phenomenon caused by one-time use is avoided; ten filter membranes 5 are stored once, dust quality detection can be carried out for ten times, and the dust quality detection is accurately controlled by the dividing plate 9; a spring 18 is arranged between the dividing disc 9 and the filter membrane storage disc 3, and a clamping block 19 below the spring 18 is in an inverted concave design and moves along with the dividing disc 9 and the filter membrane storage disc 3; the push rod 6 is fixed above the filter membrane storage disc 3 and is coaxial with the filter membrane storage disc 3, the push rod is driven by a controller to realize slow up-and-down reciprocating motion, the push rod 6 moves downwards slowly, the filter membrane storage disc 3 moves downwards under the thrust and is compressed by the spring 18, the push rod 6 moves upwards slowly, the stress of the filter membrane storage disc 3 is removed, the spring 18 rebounds, and the filter membrane storage disc 3 returns to the original position.
It should be understood that the present invention is not limited to the particular embodiments described herein, but is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides an intelligent dust collection and analysis device who possesses filter membrane structure which characterized in that includes:
the vibration isolation plate (1) is internally provided with a filter membrane assembly, a gas conveying assembly and a bearing assembly, the gas conveying assembly comprises an upper pre-catcher (15), a precision flow meter (16), an air inlet pipe (17), a lower pre-catcher (10), a telescopic pipe (11) and an exhaust pipe (13), the upper pre-catcher (15) and the lower pre-catcher (10) are respectively arranged on the upper surface and the lower surface of a filter membrane storage disc (3), the upper end of the upper pre-catcher (15) is integrally provided with the air inlet pipe (17), the air inlet pipe (17) is provided with the precision flow meter (16), the telescopic pipe (11) is communicated below the lower pre-catcher (10), the lower end of the lower pre-catcher (10) is provided with a sampling pump (12), and the exhaust pipe (13) is arranged on one side of the sampling pump (12);
the filter membrane assembly comprises a filter membrane storage disc (3) and filter membrane holes (4) arranged on the filter membrane storage disc (3), wherein the filter membrane holes (4) are of round hole-shaped structures and are provided with multiple groups, the multiple groups of filter membrane holes (4) are distributed at the outer ring of the filter membrane storage disc (3) in a circular array shape, a raised ring is arranged on the inner wall of the lower end of each filter membrane hole (4), a filter membrane (5) is arranged in each filter membrane hole (4), the filter membrane (5) is placed on the surface of the raised ring, and the group of filter membrane holes (4) in the filter membrane storage disc (3) correspond to the position between an upper pre-catcher (15) and a lower pre-catcher (10);
the bearing assembly comprises an electronic balance (8), a bearing disc (7) is arranged at the upper end of the electronic balance (8), the bearing disc (7) corresponds to the lower part of the group of filter membrane holes (4), and the bearing disc (7) is positioned on one side, away from the upper pre-catcher (15), of the filter membrane storage disc (3);
one side of the upper pre-catcher (15) and one side of the lower pre-catcher (10) are provided with a control device (14), the control device (14) comprises a micro electric cylinder (24), the micro electric cylinder (24) is provided with a parallel thumb (25), a mechanical claw (26) is fixed on the parallel thumb (25) through a screw, the mechanical claw (26) is provided with an upper group and a lower group, and the parallel thumb (25) and the lower pre-catcher (10) are respectively arranged on the upper group of mechanical claw (26) and the lower group of mechanical claw (26);
the top of the upper group of shock insulation plates (1) is fixedly provided with a push rod (6), and the bottom of the push rod (6) corresponds to the middle position right above the filter membrane storage disc (3);
an index plate (9) for driving the filter membrane storage disc (3) to rotate is arranged on the lower group of shock insulation plates (1), the index plate (9) is arranged in the middle of the lower part of the filter membrane storage disc (3), a transmission groove (23) is arranged in the middle of the index plate (9), a connecting plate (21) is fixedly arranged on the transmission groove (23), a transmission unit (22) fixed on the surface of the lower group of shock insulation plates (1) is movably arranged in the transmission groove (23), and the upper end of the transmission unit (22) is in transmission connection with a transmission shaft (20) fixed on the connecting plate (21);
the upper end of the dividing plate (9) is provided with a clamping groove, the lower end of the filter membrane storage plate (3) is fixedly connected with a clamping block (19) through a spring (18), and the clamping block (19) is clamped in the clamping groove.
2. The intelligent dust collection and analysis device with a filter membrane structure as claimed in claim 1, wherein: the shock insulation plates (1) are arranged in two groups, the two groups of shock insulation plates (1) are distributed up and down, and four corners of the two groups of shock insulation plates (1) are fixedly connected through the support (2).
3. The intelligent dust collection and analysis device with a filter membrane structure as claimed in claim 2, wherein: the filter membrane storage disc is characterized in that one surfaces, close to each other, of the upper pre-catcher (15) and the lower pre-catcher (10) are fixedly provided with sealing rubber rings (27), the sealing rubber rings (27) are attached to the surface of the filter membrane storage disc (3), and the sealing rubber rings (27) are of annular structures.
4. The intelligent dust collection and analysis device with a filter membrane structure as claimed in claim 3, wherein: the filter membrane holes (4) are provided with ten groups in a circular array at the outer ring of the filter membrane storage disc (3).
5. The intelligent dust collection and analysis device with a filter membrane structure as claimed in claim 4, wherein: the bottom of the electronic balance (8) is fixedly arranged on the upper surface of the lower group of shock insulation plates (1), and one side of the lower group of shock insulation plates (1) is provided with an electric cylinder support which is supported on one side of the filter membrane hole (4).
6. The intelligent dust collection and analysis device with a filter membrane structure as claimed in claim 5, wherein: and the shock insulation plate (1) is also provided with a controller, and the controller is connected with an RS485 communication interface of the electronic balance (8).
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