CN104777056B - A kind of tandem collection, detection means - Google Patents
A kind of tandem collection, detection means Download PDFInfo
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- CN104777056B CN104777056B CN201510114853.2A CN201510114853A CN104777056B CN 104777056 B CN104777056 B CN 104777056B CN 201510114853 A CN201510114853 A CN 201510114853A CN 104777056 B CN104777056 B CN 104777056B
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Abstract
The invention discloses a kind of collection of tandem, detection means, it is desirable to provide one kind can not only on-line synchronous detection material heating quality change, it is to avoid influenceed by external environment；And can have while gas in gas collection case is gathered, the tandem collection for the problem of being prevented effectively from the mass loss for causing measurement data to be difficult in authentic and valid reactive material heating process because forming air flow in baking oven, detection means.It includes baking oven, and mounting bracket is arranged on the electronic weighing device of baking oven bottom, is arranged on mounting bracket, the gas collection case above baking oven, is arranged on gas sampling assembly and volume compensation device on gas collection case；On baking oven top surface, lower blow vent is provided with directly over electronic weighing device, gas collection bottom face is provided with upper vent, is connected between upper vent and lower blow vent by connecting flexible pipe.
Description
Technical field
The present invention relates to a kind of collection of tandem, detection means, and in particular to one kind can on-line synchronous detection material heating
The tandem collection of the loss of quality, detection means.
Background technology
In current existing technology, measurement of species with the following method is generally adopted（Such as timber, medicinal powder, medicinal material）Heated
Mass change in journey：First have to material being put into baking oven and heat, take out material after a period of time to be heated, and be cooled to
After room temperature；Then the material mass by balance measurement after heated, so as to obtain heating the change of forward and backward material mass.Separately
On the one hand, in order to analyze the gas of release/decomposition in material heating process；During material is heated, extracted by air pump
Gas in baking oven, so as to gather the gas decomposed in material thermal decomposition gasification.
Not only efficiency is low for the method for mass change in current this measurement of species heating process, and when material is by baking oven
Take out, cool down, then into balance during measurement, material high and low temperature alternative, ambient humidity change, when such as removing from air
Influence can be produced to the degree of accuracy of actual data by absorbing moisture etc., caused measurement data to be difficult to authentic and valid reactive material and added
Mass loss in thermal process.
Further, since during material is heated, the gas in baking oven is extracted by air pump, to gather material thermal decomposition
The gas decomposed in gasification, will thus form air flow in baking oven；And electronic weighing device（Such as electronic balance）
Weighing precision it is high, and the mass change amount originally very little in material heating process, the air flow of baking oven will influence whether electricity
The weighing accuracy of sub- weighing device, for the powdered substances such as material, is influenceed bigger by air flow；From
And the mass loss for causing measurement data to be difficult in authentic and valid reactive material heating process.
The content of the invention
It is of the prior art not enough there is provided a kind of collection of tandem, detection means the invention aims to overcome, its
Can not only on-line synchronous detection material heating quality change, it is to avoid influenceed by external environment；And can have in collection baking
In case while gas, be prevented effectively from causes measurement data to be difficult to authentic and valid reactant because forming air flow in baking oven
The problem of mass loss in matter heating process.
The technical scheme is that：
A kind of tandem collection, detection means, including baking oven, mounting bracket, are arranged on the electronic weighing device of baking oven bottom,
Be arranged on mounting bracket and the gas collection case above baking oven, the gas sampling assembly being arranged on gas collection case and
Volume compensation device；On the baking oven top surface, lower blow vent, gas collection bottom face are provided with directly over electronic weighing device
Upper vent is provided with, is connected between the upper vent and lower blow vent by connecting flexible pipe；The gas collection case
Being provided with above bottom surface is used to seal the sealing flat board for hiding upper vent, and the gas collection case face is provided with guide through hole, the guiding
Push rod is slidably provided with through hole, the push rod is connected with sealing flat board, on the mounting bracket, provided with for promoting push rod
First pusher cylinder；The volume compensation device include being arranged on gas collection case side it is upper and with the inner chamber of gas collection case
The horizontally-guided set being connected, be slidably arranged on the compensation cylinder in horizontally-guided set, the horizontally-guided set medial surface,
The first sealing ring is provided between compensation cylinder and horizontally-guided set medial surface；The gas sampling assembly includes several gas
Body collector, is arranged on the level acquisition cylinder body on mounting bracket, the passage axostylus axostyle that is co-axially located in level acquisition cylinder body and extremely
Lack two piston bodies being slidably arranged in level acquisition cylinder body, and be connected between adjacent two-piston body by connecting axostylus axostyle
Connect, pneumatophore is additionally provided between adjacent two-piston body；One end of level acquisition cylinder body and the intracavity inter-connection of gas collection case, separately
One end is connected provided with through hole, one end of the passage axostylus axostyle is avoided with close to the piston body for avoiding through hole, and the other end is passed through and kept away
Allow through hole, and on the outside of level acquisition cylinder body, passage axostylus axostyle is provided with along the axially extending main air guide channel of passage axostylus axostyle, and
Main air guide channel extends toward piston body direction, and passes through each connection axostylus axostyle；One end of the main air guide channel extends outward, and in water
Porting, other end closing are formed on passage axostylus axostyle on the outside of flat collection cylinder body；It is respectively equipped with each connection axostylus axostyle lateral surface
The radial direction through hole being connected with main air guide channel, and the inner chamber of each pneumatophore is connected with corresponding radial direction through hole respectively；It is described
Level acquisition cylinder body lateral surface is provided with the sampling through hole that at least one is connected with level acquisition inner chamber of cylinder block；The passage axostylus axostyle
Above, interior positive stop is provided with the inside of level acquisition cylinder body, when the level that interior positive stop is resisted against where avoiding through hole is adopted
When collecting on cylinder body end face, each piston body is located at the level acquisition cylinder body between level acquisition cylinder interior, and adjacent two-piston body
The upper sampling through hole having respectively described in one；
The gas collector includes collection cylinder body closed at both ends, is slidably arranged on the second piston in collection cylinder body
Body and the pull bar being arranged on second piston body, one end of the collection cylinder body is provided with the air inlet that can be connected with sampling through hole
Joint, the other end is provided with avoidance through hole；The pull bar and avoidance through hole are located at the same side of second piston body, the end of pull bar
Portion is through avoidance through hole, positioned at the outside for collecting cylinder body；End cover of the end of the inlet suction port provided with threaded connection；
The level acquisition cylinder body and horizontally-guided cover the opposite sides positioned at gas collection case, and level acquisition cylinder body with
Horizontally-guided set is coaxially disposed, and connecting rod, the connection are provided between the piston body of the compensation cylinder and close compensation cylinder
One end of rod member is connected with compensating the end face of cylinder, and the other end is connected with piston body end face；The mounting bracket is provided with use
In the pusher cylinder of pushing piston body.
This programme heats material by baking oven, and detects material heating quality by electronic weighing device come on-line synchronous
Change, so as to avoid being influenceed by external environment, effectively improves measurement efficiency and measurement accuracy.On the other hand, this case passes through
Gas sampling assembly gathers the gas in the gas collection case in baking oven heating process, gasifies so as to gather material thermal decomposition
The gas decomposed in journey；And during gas collecting, the volume compensation device of this programme will be simultaneously in gas collection case
Chamber carries out isometric compensation, it is to avoid because gas is removed in gas collection case, and cause air pressure in gas collection case and baking oven
Reduce, it is ensured that during gas is adopted, the air pressure in baking oven keeps stable, thus it is possible to prevente effectively from during gas collecting
Air stream is formed in baking oven；Thus this programme because forming air flow in baking oven it is possible to prevente effectively from cause measurement data to be difficult to
The problem of mass loss in authentic and valid reactive material heating process.
On the other hand, it is connected between upper vent and lower blow vent by connecting flexible pipe, so it is possible to prevente effectively from gas
Vibration in the sampler body device course of work, is delivered on baking oven, so as to influence the weighing accuracy of electronic weighing device.
Preferably, the internal diameter of level acquisition cylinder body is identical with the external diameter for compensating cylinder.
Preferably, pneumatophore include be set in connection axostylus axostyle on Air sac cover, and Air sac cover two ends respectively with being connected
Axostylus axostyle lateral surface is tightly connected.
Preferably, electronic weighing device includes electronic balance, the pallet in baking oven is arranged on, baking oven bottom surface is arranged on
Go up and be located at the bar through hole immediately below pallet, the support flat board being arranged on immediately below bar through hole and connecting trays and support
The vertical support bar of flat board, vertical support bar passes through bar through hole.
Preferably, on passage axostylus axostyle, outer positive stop is provided with the outside of level acquisition cylinder body, and when outer limiting block
When block is leaned against on the level acquisition cylinder body end face avoided where through hole, the piston body adjacent with passage axostylus axostyle is located in each piston body
In level acquisition cylinder body, remaining piston body is located in the gas collection case on the outside of level acquisition cylinder body.
Preferably, provided with leading that cross section is gradually reduced from bottom to top in baking oven, directly over electronic weighing device
Stream set, the upper port of flow guide sleeve is connected with lower blow vent.
Preferably, push rod is provided with interior projection and outer projection, and interior projection is located on the inside of gas collection case, outer projection position
On the outside of gas collection case.
Preferably, when interior projection is resisted against on gas collection case medial surface, the sealing flat board is wrong with upper vent
Open distribution；When outer projection is resisted against on gas collection case lateral surface, the sealing flat board is located at directly over upper vent, and seals
Hide upper vent.
Preferably, inlet suction port is arranged on the outer face for collecting cylinder body, and it is connected with collecting inner chamber of cylinder block.
Preferably, can be connected between inlet suction port and sampling through hole by screw thread.
Preferably, pull bar is coaxially disposed with second piston body.
The beneficial effects of the invention are as follows：Can not only on-line synchronous detection material heating quality change, it is to avoid by extraneous ring
The influence in border；And can have while gas in gas collection case is gathered, it is prevented effectively from because forming air flow in baking oven
And the problem of cause the mass loss that measurement data is difficult in authentic and valid reactive material heating process.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present invention.
The gas sampling assembly that Fig. 2 is the present invention does not gather a kind of cross-sectional view before gas.
Fig. 3 is that the gas sampling assembly of the present invention completes a kind of cross-sectional view after gas collecting.
Fig. 4 is a kind of cross-sectional view of the gas collector of the present invention.
In figure：Baking oven 1a, mounting bracket 1b, gas collection case 1c, gas sampling assembly 2, piston body 21, connection axostylus axostyle 22,
Pneumatophore 23, interior positive stop 24, passage axostylus axostyle 25, level acquisition cylinder body 26, outer positive stop 27, avoidance through hole 28, sampling
Through hole 29, main air guide channel 210, radial direction through hole 211, porting 212, gas collector 2a, collection cylinder body 2a1, second live
Cock body 2a2, inlet suction port 2a3, end cover 2a4, pull bar 2a5, avoidance through hole 2a6, electronic weighing device 3, pallet 31, branch
Support flat board 32, vertical support bar 33, thermocouple 34, electronic balance 35, volume compensation device 4, horizontally-guided set 41, compensation cylinder
42nd, the first sealing ring 43, connecting rod 5, flow guide sleeve 6, lower blow vent 7 connects flexible pipe 8, and upper vent 9 seals flat board 10, the
One pusher cylinder 11, push rod 12, interior projection 121, outer projection 122.
Embodiment
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, a kind of tandem collection, detection means include baking oven 1a, mounting bracket 1b, are arranged on baking oven bottom
The electronic weighing device 3 in portion, is arranged on mounting bracket, the gas collection case 1c above baking oven, is arranged on gas collection case
On gas sampling assembly 2 and volume compensation device 4.Oven ncavity is seal cavity.The side of baking oven is provided with sealed container door.Dry
Bottom portion is provided with support feet.Baking oven is provided with the temperature sensor for the temperature for being used to detect oven ncavity.Electricity is additionally provided with baking oven
Heater.
Gas collection case is located at directly over baking oven.On baking oven top surface, lower ventilation is provided with directly over electronic weighing device
Mouth 7.Gas collection bottom face is provided with upper vent 9.Upper and lower blow vent is just to setting.Between upper vent and lower blow vent
It is connected by connecting flexible pipe 8.It is gradually reduced from bottom to top provided with cross section in baking oven, directly over electronic weighing device
Flow guide sleeve 6.The upper port of flow guide sleeve is connected with lower blow vent.
Being provided with above the bottom surface of gas collection case is used to seal the sealing flat board 10 for hiding upper vent.Flat board is sealed to receive with gas
The bottom surface of header is parallel, and the bottom surface of sealing flat board and gas collection case fits.Gas collection case face is logical provided with being oriented to
Hole.The guide through hole is parallel with the bottom surface of gas collection case.Push rod 12 is slidably provided with guide through hole.Push rod and sealing
Flat board is connected.On mounting bracket, provided with the first pusher cylinder 11 for promoting push rod.Push rod is provided with interior projection 121 and evagination
Block 122, and interior projection is located at gas collection case inner side, outer projection is located on the outside of gas collection case.When interior projection is resisted against gas
When on collecting box medial surface, the sealing flat board is in staggered distribution with upper vent.When outer projection is resisted against on the outside of gas collection case
When on face, the sealing flat board is located at directly over upper vent, and seals screening upper vent.
Electronic weighing device includes electronic balance 35, is arranged on the pallet 31 in baking oven, is arranged on baking oven bottom surface and position
Bar through hole immediately below pallet, the support flat board 32 and connecting trays being arranged on immediately below bar through hole and support flat board
Vertical support bar 33.Vertical support bar passes through bar through hole.Thermocouple 34 is provided with pallet.Baking oven bottom surface is provided with threading hole,
And seal rubber sleeve is provided with threading hole.The signal wire of thermocouple passes through seal rubber sleeve.Electronic balance is located at below baking oven.
Volume compensation device 4 includes being arranged on the water that gas collection case side is upper and with gas collection box cavity is connected
Flat fairlead 41, is slidably arranged on the compensation cylinder 42 in horizontally-guided set.On horizontally-guided set medial surface, positioned at compensation circle
The first sealing ring 43 is provided between post and fairlead medial surface.
Gas sampling assembly 2 includes three gas collector 2a, is arranged on the level acquisition cylinder body 26 on mounting bracket, coaxially
The passage axostylus axostyle 25 and four piston bodies 21 being slidably arranged in level acquisition cylinder body being arranged in level acquisition cylinder body, and
It is connected between adjacent two-piston body by connecting axostylus axostyle 22, pneumatophore 23 is additionally provided between adjacent two-piston body.Connect axostylus axostyle
It is coaxially disposed with piston body.Four piston bodies are equally spaced.One end of level acquisition cylinder body is connected with gas collection box cavity,
The other end is provided with avoidance through hole 28.Elapse one end of axostylus axostyle with close to the piston body for avoiding through hole to be connected, the other end is passed through and kept away
Allow through hole, and on the outside of level acquisition cylinder body.Axostylus axostyle is elapsed to be provided with along the axially extending main air guide channel of passage axostylus axostyle
210, and main air guide channel is toward the extension of piston body direction, and pass through each connection axostylus axostyle.One end of the main air guide channel extends outward,
And porting 212, other end closing are formed on the passage axostylus axostyle on the outside of level acquisition cylinder body.On each connection axostylus axostyle lateral surface
It is respectively equipped with the radial direction through hole 211 being connected with main air guide channel.The inner chamber of each pneumatophore respectively with corresponding radial direction through hole phase
Connection.Pneumatophore includes the Air sac cover being set on connection axostylus axostyle, and Air sac cover two ends respectively with to be connected axostylus axostyle lateral surface close
Envelope connection.
Level acquisition cylinder body lateral surface is provided with three sampling through holes 29 connected with level acquisition inner chamber of cylinder block.Seal plug
It is connected through a screw thread between head and sampling through hole.Three sampling through holes are equally spaced.Elapse on axostylus axostyle, positioned at level acquisition cylinder body
Inner side is provided with interior positive stop 24.Interior positive stop is close to piston body.It is provided with passage axostylus axostyle, on the outside of level acquisition cylinder body
Outer positive stop 27.As shown in figure 3, when on the level acquisition cylinder body end face where interior positive stop is resisted against avoidance through hole,
Each piston body is located on the level acquisition cylinder body between level acquisition cylinder interior, and adjacent two-piston body has an institute respectively
The sampling through hole stated.As shown in Fig. 2 when on the level acquisition cylinder body end face where outer positive stop leans against avoidance through hole, respectively
The piston body adjacent with passage axostylus axostyle is located in level acquisition cylinder body in piston body, and remaining piston body is located at outside level acquisition cylinder body
In the gas collection case of side.
As shown in figure 4, gas collector includes collection cylinder body 2a1 closed at both ends, slidably it is arranged in collection cylinder body
Second piston body 2a2 and the pull bar 2a5 that is arranged on second piston body.Pull bar is coaxially disposed with second piston body.Receive
One end of collection cylinder body is provided with the inlet suction port 2a3 that can be connected with sampling through hole, and the other end is provided with avoidance through hole 2a6.Pull bar
And the same side that through hole is located at second piston body is avoided, the end of pull bar is through avoidance through hole, positioned at the outside for collecting cylinder body.
Inlet suction port is arranged on the outer face for collecting cylinder body, and is connected with collecting inner chamber of cylinder block.Inlet suction port is cylindrical, and with
Cylinder body is collected to be coaxially disposed.It can be connected between inlet suction port and sampling through hole by screw thread；Specifically, on the outside of inlet suction port
Face is provided with external screw thread, and sampling through hole medial surface is provided with internal thread, the internal thread of the external screw thread and sampling through hole of inlet suction port
It is adapted.End cover 2a4 of the end of inlet suction port provided with threaded connection.
Level acquisition cylinder body covers the opposite sides positioned at gas collection case, and level acquisition cylinder body and level with horizontally-guided
Fairlead is coaxially disposed.The internal diameter for gathering cylinder body is identical with the external diameter for compensating cylinder.Compensate cylinder and the work close to compensation cylinder
Connecting rod 5 is provided between cock body.One end of the connecting rod is connected with compensating the end face of cylinder, the other end and piston body end
Face is connected.Connecting rod is coaxially disposed with compensation cylinder.Mounting bracket is provided with the second pusher cylinder for pushing piston body.
Second pusher cylinder is horizontally disposed with, and the piston rod of the second pusher cylinder is connected with the passage axostylus axostyle outside level acquisition cylinder body
Connect.
The tandem collection of the present invention, the specifically used process of detection means are as follows：
First, as shown in Figure 2, Figure 4 shows, the end cover of gas collector is removed, and by pull bar by second piston
Body is moved to the collection cylinder ends close to inlet suction port, then will be connected between inlet suction port and sampling through hole by screw thread
Connect；Inlet suction port of each sampling through hole respectively with a gas collector is connected；
As shown in figure 1, driving sealing flat board to move by the first pusher cylinder, until interior projection is resisted against gas collection case
On medial surface；
Piston body is driven toward moving in gas collection case by the second pusher cylinder, until to lean against avoidance logical for outer positive stop
On collection cylinder body end face where hole, the piston body being now connected in each piston body with passage axostylus axostyle is located in collection cylinder body, its
Remaining piston body is located in the gas collection case on the outside of collection cylinder body；
Test substance is placed in pallet；Electronic balance is placed on immediately below support flat board, and support flat board is put
Put on the weighing platform at the top of electronic balance；Now pallet is placed on electronic balance by vertical support bar and support flat board
On.
Second, baking oven heating, so as to detect that material heating quality changes by electronic balance come on-line synchronous.
In baking oven heating process, when gas in collection gas collection case is needed：
A, drives sealing flat board by the first pusher cylinder, until outer projection is resisted against on baking oven lateral surface, now seals
Flat board is located at directly over upper vent, and seals screening upper vent；So as to which baking oven and gas collection case be separated；
B, drives piston body toward moving in collection cylinder body, while compensation cylinder is toward gas collection case by the second pusher cylinder
Interior movement；Untill on the collection cylinder body end face where interior positive stop is resisted against avoidance through hole, now each piston body is located at and adopted
Collect cylinder interior, as shown in Figure 3.
Because in piston body, toward while movement in collection cylinder body, compensation cylinder will be toward moving in gas collection case；So
In gas sampling assembly collection gas collection case during gas, by being moved in gas collection case cavity in collection cylinder body
Volume（The volume is the former piston body being placed in gas collection case cavity, connecting rod and the gas between adjacent two-piston body
The volume sum of body）The volume of compensation cylinder with being moved in gas collection case cavity is identical；Thus in gas collecting process
In, volume compensation device will carry out isometric compensation to gas collection box cavity simultaneously, so as to avoid gas collection case and baking
The air pressure of box cavity reduces, and the air pressure in baking oven is kept constant, can so avoid forming air stream in baking oven, it is ensured that survey
Measure the authentic and valid of data.
3rd, by existing air pump from porting, main air guide channel and radial direction through hole toward each pneumatophore in inflate, make
Air bag volume expansion, so that the gas between adjacent two-piston body is discharged in collection cylinder body by sampling through hole；
Then, gas collector is removed, and end cover is reinstalled on inlet suction port, envelope hides inlet suction port and is
Can.
Claims (9)
1. a kind of tandem collection, detection means, it is characterized in that, including baking oven（1a）, mounting bracket（1b）, it is arranged on baking oven bottom
Electronic weighing device（3）, it is arranged on mounting bracket, the gas collection case above baking oven, is arranged on gas collection case
Gas sampling assembly（2）And volume compensation device（4）；It is provided with the baking oven top surface, directly over electronic weighing device
Lower blow vent, gas collection bottom face is provided with upper vent, by connecting flexible pipe between the upper vent and lower blow vent
It is connected；
Being provided with above the bottom surface of the gas collection case is used to seal on the sealing flat board for hiding upper vent, the gas collection case face
Provided with guide through hole, push rod is slidably provided with the guide through hole（12）, the push rod is connected with sealing flat board, described to install
On frame, provided with the first pusher cylinder for promoting push rod（11）；
The volume compensation device include being arranged on gas collection case side it is upper and with the water of the intracavity inter-connection of gas collection case
Flat fairlead（41）, slidably it is arranged on the compensation cylinder in horizontally-guided set（42）, the horizontally-guided is covered on medial surface, position
The first sealing ring is provided between compensation cylinder and horizontally-guided set medial surface；
The gas sampling assembly includes several gas collectors（2a）, it is arranged on the level acquisition cylinder body on mounting bracket
（26）, it is co-axially located at the passage axostylus axostyle in level acquisition cylinder body（25）And at least two be slidably arranged on level acquisition cylinder body
Interior piston body（21）, and by connecting axostylus axostyle between adjacent two-piston body（22）It is connected, is also set between adjacent two-piston body
There is pneumatophore（23）；One end of level acquisition cylinder body and the intracavity inter-connection of gas collection case, the other end is provided with avoidance through hole
（28）, one end of the passage axostylus axostyle is connected with close to the piston body for avoiding through hole, and the other end and is located at through avoidance through hole
On the outside of level acquisition cylinder body, passage axostylus axostyle is provided with along the axially extending main air guide channel of passage axostylus axostyle（210）, and leading gas is logical
Road extends toward piston body direction, and passes through each connection axostylus axostyle；One end of the main air guide channel extends outward, and in level acquisition cylinder
Porting is formed on the passage axostylus axostyle of external side（212）, other end closing；It is respectively equipped with and master on each connection axostylus axostyle lateral surface
The radial direction through hole that air guide channel is connected（211）, and the inner chamber of each pneumatophore is connected with corresponding radial direction through hole respectively；It is described
Level acquisition cylinder body lateral surface is provided with the sampling through hole that at least one is connected with level acquisition inner chamber of cylinder block（29）；The passage
On axostylus axostyle, interior positive stop is provided with the inside of level acquisition cylinder body（24）, where interior positive stop is resisted against avoidance through hole
Level acquisition cylinder body end face on when, each piston body is located at level between level acquisition cylinder interior, and adjacent two-piston body
Gather on cylinder body respectively with the sampling through hole described in one；
The gas collector includes collection cylinder body closed at both ends（2a1）, slidably it is arranged on the second work in collection cylinder body
Cock body（2a2）And it is arranged on the pull bar on second piston body（2a5）, described one end for collecting cylinder body is provided with can be with sampling through hole
The inlet suction port being connected（2a3）, the other end is provided with avoidance through hole（2a6）；The pull bar and avoidance through hole are located at second and lived
The same side of cock body, the end of pull bar is through avoidance through hole, positioned at the outside for collecting cylinder body；The end of the inlet suction port is set
There is the end cover of threaded connection（2a4）；
The level acquisition cylinder body covers the opposite sides positioned at gas collection case, and level acquisition cylinder body and level with horizontally-guided
Fairlead is coaxially disposed, and connecting rod is provided between the piston body of the compensation cylinder and close compensation cylinder（5）, the connecting rod
One end of part is connected with compensating the end face of cylinder, and the other end is connected with piston body end face；The mounting bracket, which is provided with, to be used for
Second pusher cylinder of pushing piston body.
2. a kind of tandem collection according to claim 1, detection means, it is characterized in that, the internal diameter of the collection cylinder body
It is identical with the external diameter for compensating cylinder.
3. a kind of tandem collection according to claim 1, detection means, it is characterized in that, the pneumatophore includes being arranged
Air sac cover in connecting rod, and the two ends of Air sac cover are tightly connected with connecting rod lateral surface respectively.
4. a kind of tandem collection according to claim 1 or 2 or 3, detection means, the electronic weighing device include electricity
Sub- balance（35）, it is arranged on the pallet in baking oven（31）, it is arranged on the bar on baking oven bottom surface and immediately below pallet and leads to
Hole, is arranged on the support flat board immediately below bar through hole（32）And the vertical support bar of connecting trays and support flat board（33）, erect
Support bars pass through bar through hole.
5. a kind of tandem collection according to claim 1 or 2 or 3, detection means, it is characterized in that, the passage axostylus axostyle
Above, it is provided with outer positive stop on the outside of collection cylinder body（27）, and when outer positive stop leans against the collection where avoiding through hole
When on cylinder body end face, the piston body adjacent with passage axostylus axostyle is located in collection cylinder body in each piston body, and remaining piston body, which is located at, to be adopted
Collect in the gas collection case on the outside of cylinder body.
6. a kind of tandem collection according to claim 1 or 2 or 3, detection means, it is characterized in that, set on the push rod
There is interior projection（121）And outer projection（122）, and interior projection is located at gas collection case inner side, outer projection is located at outside gas collection case
Side.
7. a kind of tandem collection according to claim 6, detection means, it is characterized in that, when interior projection is resisted against gas
When on collecting box medial surface, the sealing flat board is in staggered distribution with upper vent；When outer projection is resisted against on the outside of gas collection case
When on face, the sealing flat board is located at directly over upper vent, and seals screening upper vent.
8. a kind of tandem collection according to claim 1 or 2 or 3, detection means, it is characterized in that, the inlet suction port
It is arranged on the outer face for collecting cylinder body, and be connected with collecting inner chamber of cylinder block.
9. a kind of tandem collection according to claim 1 or 2 or 3, detection means, it is characterized in that, the inlet suction port
It can be connected between sampling through hole by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114853.2A CN104777056B (en) | 2015-03-17 | 2015-03-17 | A kind of tandem collection, detection means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114853.2A CN104777056B (en) | 2015-03-17 | 2015-03-17 | A kind of tandem collection, detection means |
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| Publication Number | Publication Date |
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| CN104777056A CN104777056A (en) | 2015-07-15 |
| CN104777056B true CN104777056B (en) | 2017-07-18 |
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| CN201510114853.2A Expired - Fee Related CN104777056B (en) | 2015-03-17 | 2015-03-17 | A kind of tandem collection, detection means |
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| CN107543770B (en) * | 2016-06-24 | 2020-04-03 | 梅特勒-托利多仪器（上海）有限公司 | Moisture meter and method of using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5335552A (en) * | 1993-07-07 | 1994-08-09 | Martin Marietta Energy Systems, Inc. | Device for accurately measuring mass flow of gases |
| US9085965B2 (en) * | 2011-07-22 | 2015-07-21 | Halliburton Energy Services, Inc. | Apparatus and method for improved fluid sampling |
| CN102901657B (en) * | 2012-09-29 | 2014-08-06 | 中国科学院地理科学与资源研究所 | Pressure-balanced type portable device for soil gas collection |
| CN203178824U (en) * | 2013-02-25 | 2013-09-04 | 长缆电工科技股份有限公司 | Device for compensating for changes of gas pressure in sealed container, and pressure equalizing device |
| CN103424308B (en) * | 2013-06-28 | 2015-11-25 | 中国人民解放军总参谋部工程兵科研三所 | A kind of method that Quick gas-liquid compound auto-compensation loads and auto-compensation loader |
-
2015
- 2015-03-17 CN CN201510114853.2A patent/CN104777056B/en not_active Expired - Fee Related
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| CN104777056A (en) | 2015-07-15 |
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