CN112082610B - Standard container constant temperature device applied to pVTt method - Google Patents
Standard container constant temperature device applied to pVTt method Download PDFInfo
- Publication number
- CN112082610B CN112082610B CN202010803239.8A CN202010803239A CN112082610B CN 112082610 B CN112082610 B CN 112082610B CN 202010803239 A CN202010803239 A CN 202010803239A CN 112082610 B CN112082610 B CN 112082610B
- Authority
- CN
- China
- Prior art keywords
- liquid
- pipe
- head
- standard container
- column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Dispensing Beverages (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a standard container constant temperature device applied to a pVTt method, which comprises the following steps: the standard container comprises a tank body, and an air inlet end and an air outlet end which are respectively arranged at two ends of the tank body; the clamping sleeve comprises two half bodies which are symmetrically arranged, and each half body comprises a half sleeve with the inner diameter larger than that of the tank body, a tightening end arranged at one end of the half sleeve and a butt joint end arranged at the other end of the half sleeve; the two half bodies can be respectively sleeved at two ends of the tank body and are fixedly connected through butt ends of the two half bodies, and the air inlet end and the air outlet end respectively penetrate out of tightening ends of the two half bodies; a through connector is arranged inside and outside the half sleeve; the joint assembly comprises a flange head or a plugging head which is detachably connected to any connecting port; the flange head connected to the connecting port can be communicated to an interlayer space between the standard container and the jacket. The invention can ensure that the standard container can meet the stability and uniformity of temperature in a short time.
Description
Technical Field
The invention relates to the technical field of flow standard, in particular to a standard container constant temperature device applied to a pVTt method.
Background
The pVTt method gas flow standard device is a standard device for indirectly measuring gas mass flow. The principle is as follows: in a certain time interval T, gas enters or is discharged from a standard container with the volume V, and gas mass and mass flow in the detection process are calculated according to the change of the absolute pressure p and the thermodynamic temperature T of the gas in the standard container before and after gas inlet. Before the detection of the pVTt method gas flow standard device, the standard container is vacuumized by a vacuum pump, the process is equivalent to the external work of the standard container, the temperature in the container is reduced, the temperature in the container is unbalanced (the temperature at an exhaust pipe is lower), the temperature sensor inserted into the standard container cannot truly reflect the temperature in the container, the standard container is stabilized in a constant temperature environment for several hours after the vacuum pumping under the common condition, and the temperature in the standard container can be accurately measured after the temperature in the standard container is balanced. In the same way, the standard container also needs several hours of waiting time after being inflated, which greatly reduces the detection efficiency of the pVTt method gas flow standard device. Therefore, the temperature in the standard container is made to return to be stable and uniform in the shortest possible time, which becomes the key point of the detection efficiency of the gas flow standard device.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the problems occurring in the prior art.
Therefore, it is an object of the present invention to provide a modular vessel thermostat device applied to the pVTt method, which enables the modular vessel to satisfy the stability and uniformity of temperature in a short time.
In order to solve the technical problems, the invention provides the following technical scheme: a modular vessel thermostat for use in the pVTt method, comprising: the standard container comprises a tank body, and an air inlet end and an air outlet end which are respectively arranged at two ends of the tank body; the clamping sleeve comprises a first half body and a second half body which are symmetrically arranged, and the first half body and the second half body both comprise a half sleeve with the inner diameter larger than that of the tank body, a tightening end arranged at one end of the half sleeve and a butt joint end arranged at the other end of the half sleeve; the first half body and the second half body can be sleeved at two ends of the tank body respectively and are connected and fixed through butt ends of the first half body and the second half body, and the air inlet end and the air outlet end penetrate through tightening ends of the first half body and the second half body respectively; a through connector is arranged inside and outside the half sleeve; the joint assembly comprises a flange head or a plugging head which is detachably connected to any connecting port; the flange head connected to the connecting port can be communicated to an interlayer space between the standard container and the jacket.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: the air inlet end comprises a root, a sealing extrusion section, a necking section and a first connecting disc which are sequentially connected from inside to outside; the root part is mutually connected with one end of the tank body; the outer diameter of the sealing extrusion section is smaller than that of the root part, a first step surface is formed between the sealing extrusion section and the root part, a first circumferential annular groove is formed in the first step surface, and a first sealing ring is arranged in the first annular groove; the outer diameter of the necking section is smaller than that of the sealing extrusion section and the first connecting disc, and an annular groove is formed between the necking section and the first connecting disc; the outer diameter of the first connecting disc is not larger than the minimum outer diameter of the sealing extrusion section; the minimum inner diameter of the tightening end is smaller than the maximum outer diameter of the sealing extrusion section, and the maximum inner diameter of the tightening end is larger than the minimum outer diameter of the sealing extrusion section; the tightening end is sleeved on the periphery of the sealing extrusion section and can extrude the first sealing ring through the inner end of the tightening end.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: the structure of the air outlet end is the same as that of the air inlet end, and the air outlet end and the air inlet end are symmetrically arranged at two ends of the tank body.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: a plurality of connectors are distributed on the side wall of the half sleeve along the circumferential direction of the half sleeve, and internal threads are arranged on the inner side wall of each connector; the flange head comprises a pipe body, a connecting disc arranged at the outer end of the pipe body and a threaded pipe arranged at the inner end of the pipe body; the outer side wall of the threaded pipe is provided with an external thread matched with the connecting port; the interior of the flange head is also provided with a channel; the plugging head comprises a column body, a handle arranged at the outer end of the column body and a threaded column arranged at the inner end of the column body; and the outer side wall of the threaded column is provided with an external thread matched with the connecting port.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: the outer end of the connecting port is provided with a second step surface, and a second sealing ring is fixed on the second step surface; the joint of the pipe body and the threaded pipe forms a section matched with the second step surface; the joint of the column body and the threaded column is also provided with a section matched with the second step surface.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: the liquid separation device also comprises a liquid separation component, wherein the liquid separation component comprises a liquid separation pipe, a spacing ring and a distance column; clamping grooves which are in one-to-one correspondence with the connectors are distributed on the inner side wall of the half sleeve along the circumferential direction; each clamping groove extends along the length direction of the half sleeve, two ends of each clamping groove are opened, and the inner ends of the clamping grooves are provided with limiting rings; each clip groove has a longitudinally extending slit at a radial end, the width of the slit being less than the maximum width of the clip groove; the outer diameter of the spacer ring is matched with the inner diameter of the half sleeve, and the inner diameter of the spacer ring is matched with the outer diameter of the tank body; gaps corresponding to the clamping grooves are formed in the spacer ring and can be embedded into the interlayer space one by one; a liquid distributing pipe corresponding to the flange head or a distance column corresponding to the blocking head can be inserted into the clamping groove; the distance column comprises a sliding strip which can be embedded into the clamping groove and an isolation strip which can extend out of the seam, and the isolation strip is abutted between adjacent spacing rings or abutted between the spacing rings and the limiting rings; the liquid distribution pipe is provided with a liquid inlet hole corresponding to the connecting port and a plurality of liquid outlet holes corresponding to the slits; the interlayer space is divided into independent chambers by the spacer rings; when the liquid separating pipe is inserted into the clamping groove and the liquid inlet hole is opposite to the connecting port, the liquid outlet holes in the liquid separating pipe correspond to the independent cavities one by one and are communicated with the independent cavities.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: two ends of the liquid separating pipe are through, the length of the liquid separating pipe is twice of the length of a single clamping groove, and two liquid inlet holes are symmetrically formed in the liquid separating pipe; when the first half body and the second half body are respectively sleeved at two ends of the tank body, two ends of the liquid distribution pipe can be respectively inserted into the clamping grooves of the first half body and the second half body, and two liquid inlet holes in the liquid distribution pipe can be respectively opposite to two connecting ports on the same column of the first half body and the second half body.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: the liquid separating pipes and the distance posts are configured with different specifications, the liquid outlet holes on the liquid separating pipes with different specifications are different in distance, and the distance posts with different specifications are different in length; the liquid distributing pipe with the distance equal to the length of a certain distance column is matched with the distance column for use.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: a plurality of connectors are uniformly distributed on the same half sleeve along the circumferential direction of the half sleeve, wherein at least two connectors are connected with flange heads, at least one flange head is used as a liquid inlet nozzle, and at least one flange head is used as a liquid outlet nozzle; if a connecting port which is not connected with the flange head exists on the half sleeve, the sealing head is connected in the connecting port.
As a preferable embodiment of the standard container thermostat applied to the pVTt method of the present invention, wherein: the water circulation component is also included; the water circulation assembly comprises a water tank arranged above the jacket, a first pipeline connected between the liquid inlet nozzle and the water tank, a second pipeline connected between the liquid outlet nozzle and the water tank, and a water pump arranged on the second pipeline.
The invention has the beneficial effects that: the invention divides the space in the jacket into a plurality of independent chambers, and can improve the homogenization of the water circulation water quantity in the jacket to the maximum extent by distributing and homogenizing the water inlet flow of each independent chamber, ensure the synergy of the temperature in the standard container in the stabilizing process and finally ensure the stable homogenization of the temperature in the standard container. In addition, the invention can be matched and selected arbitrarily according to actual needs to form different water supply and return paths, so that the installation is flexible and changeable, and different use modes and use modes are provided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is an overall configuration diagram of a standard container thermostat device.
Fig. 2 is a view showing an internal structure of a standard container thermostat device.
FIG. 3 is a view showing a half structure of a jacket.
Fig. 4 is a cross-sectional view of a standard container thermostat and a detail view of a portion thereof.
Fig. 5 is a detailed view of the structure at a in fig. 4.
Fig. 6 is a detailed view of the structure at B in fig. 4.
Fig. 7 is a structural view of a first embodiment of a standard container thermostat device.
Fig. 8 is a structural view of a second embodiment of a standard container thermostat device.
Fig. 9 is a cross-sectional structural view of a first embodiment of a standard container thermostat.
Fig. 10 is a detailed view of the structure at C in fig. 9.
Fig. 11 is a detail view of the structure at D in fig. 9.
Fig. 12 is a cross-sectional structural view of a second embodiment of a standard container thermostat.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Referring to fig. 1 to 12, there is provided an embodiment of the present invention, which provides a modular vessel thermostat device applied to the pVTt method, which enables the modular vessel to satisfy the stability and uniformity of temperature in a short time and to maintain the constant temperature of the modular vessel.
The standard container thermostat device includes a standard container 100, a jacket 200 fitted around the periphery of the standard container 100, and a plurality of joint assemblies 300 capable of being selectively mounted on the jacket 200.
The standard container 100 comprises a hollow tank body 101, and an air inlet end 102 and an air outlet end 103 which are respectively arranged at two ends of the tank body 101; the inlet tip 102 may in turn be externally connected with a switching valve (e.g., pneumatic valve, solenoid valve) and a sonic nozzle; the outlet end 103 may be connected to a switch valve and a vacuum pump. A plurality of temperature sensors are distributed in the standard container 100 to form multi-point distribution of temperature measuring points.
The jacket 200 includes a pair of half bodies (a first half body B-1 and a second half body B-2) having the same structure and symmetrically disposed, and each of the half bodies includes a half sleeve 201 having an inner diameter larger than that of the tank 101, a tightening end 202 disposed at one end of the half sleeve 201, and a butt end 203 disposed at the other end of the half sleeve 201. The first half body B-1 and the second half body B-2 can be sleeved at two ends of the tank body 101 respectively, and are connected and fixed through butt joint ends 203 of the first half body B-1 and the second half body B-2 (the two butt joint ends 203 can be tightened and fixed through circumferentially distributed bolts after being in butt joint), and the air inlet end head 102 and the air outlet end head 103 penetrate through tightening ends 202 of the first half body B-1 and the second half body B-2 respectively; each half cover 201 is provided with a plurality of through connection ports 201 a.
The joint assembly 300 comprises a flange head 301 or a blocking head 302 which is detachably connected to any connecting port 201 a; the flange head 301 connected to a certain connecting port 201a can be communicated to the interlayer space M formed between the standard container 100 and the jacket 200; the plugging head 302 connected to a certain connection port 201a can plug and seal the connection port 201 a.
When the first half body B-1 and the second half body B-2 are sleeved on the periphery of the standard container 100 from two ends and are connected and fixed through the butt joint ends 203, at least 1 connecting port 201a can be selected on the half sleeve 201 as a liquid inlet, and at least 1 connecting port 201a can be selected as a liquid outlet; subsequently, the flange head 301 is attached to each of the selected liquid inlet and liquid outlet, respectively, and the remaining unselected connection ports 201a are all provided with the plugging heads 302. Therefore, heat exchange can be carried out between the standard container 100 and the liquid inlet by injecting constant-temperature water flow into the liquid inlet, so that the temperature of the liquid inlet is constant and uniform; and because the plurality of connectors 201a on the half cover 201 can be matched and selected arbitrarily according to actual needs to install the flange head 301 or the blocking head 302 to form different water supply and return paths, actual installation is flexible and changeable, and different use modes are provided.
In addition, since the jacket 200 is a two-piece structure detachably mounted, it can be selectively removed, and the standard container 100 is entirely embedded in the constant temperature water tank, so as to realize the water bath heating mode.
Preferably, to achieve a seal between the tightening end 202 of the end of the jacket 200 and the two ends of the standard container 100, the invention provides for: the inlet tip 102 includes a root portion 102a, a sealing extrusion portion 102b, a necking portion 102c, and a first connecting plate 102 d.
The root 102a is connected to one end of the tank 101, and may be a sleeve structure integrally formed at the end of the tank 101 and communicated with the inner space of the tank 101.
The outer diameter of the sealing extrusion section 102b is smaller than that of the root portion 102a, a first step surface 102e is formed between the sealing extrusion section and the root portion 102a, a first circumferential annular groove 102e-1 is formed in the first step surface 102e, and a first sealing ring 102e-2 is arranged in the first annular groove 102 e-1.
The necked-down segment 102c has an outer diameter smaller than the seal pressing segment 102b and the first connecting disc 102d, and forms a concave annular groove 102f therebetween.
The outer diameter of the first connecting disc 102d is not greater than the minimum outer diameter of the sealing extrusion section 102b, and is used for externally connecting a pipeline (being in butt joint with a flange of the pipeline to be connected).
The minimum inner diameter of the cinch end 202 is less than the maximum outer diameter of the seal extrusion 102b, and the maximum inner diameter of the cinch end 202 is greater than the minimum outer diameter of the seal extrusion 102 b; tightening end 202 is disposed about the periphery of seal pressing segment 102b and is capable of pressing against first seal ring 102e-2 via its inner end. Preferably, the outer side surface of the sealing extrusion section 102b is a slope surface, so that the outer diameter of the sealing extrusion section 102b is gradually reduced from inside to outside, and the inner side wall of the tightening end 202 is also a slope surface matched with the sealing extrusion section 102b, and the sealing effect can be enhanced by the slope surfaces extruding with each other; it is further preferable that a ring of rubber layer is disposed on the outer side surface of the seal pressing section 102b to further enhance the sealing effect between the seal pressing section and the tightening end 202.
The structure of the outlet end 103 and the inlet end 102 of the present invention is the same, and both are symmetrically disposed at both ends of the tank 101, so the specific structure of the outlet end 103 and the matching relationship between the outlet end and the tightening end 202 at the other end of the jacket 200 refer to the above, and are not described herein again.
Furthermore, a plurality of connectors 201a are distributed on the side wall of the half sleeve 201 along the circumferential direction, and an internal thread is arranged on the inner side wall of each connector 201 a. The flange head 301 and the blocking head 302 are detachably connected in the connecting port 201a through threaded fit.
The flange head 301 includes a hollow pipe body 301a, a connection plate 301b provided at an outer end of the pipe body 301a, and a threaded pipe 301c provided at an inner end of the pipe body 301 a. The connecting disc 301b is used for externally connecting a pipeline, and the outer side wall of the threaded pipe 301c is provided with an external thread matched with the connecting port 201 a; the interior of the flange head 301 also has a channel 301 d. The flange head 301 can be mounted in the connection port 201a through the threaded pipe 301c and communicates with the interlayer space M through the passage 301d therein.
The plugging head 302 includes a solid post 302a, a handle 302b disposed at an outer end of the post 302a, and a threaded post 302c disposed at an inner end of the post 302 a. The knob 302b is used for rotating operation, and the outer side wall of the threaded column 302c is provided with an external thread fitted to the connection port 201 a. The plug 302 can be attached to the connection port 201a via the screw post 302c to plug the connection port 201 a.
Further, in order to realize the sealing performance of the flange head 301 or the blocking head 302 installed in the connecting port 201a, the invention sets: the outer end of the connecting port 201a is provided with a second step surface 201a-1, and a second sealing ring 201a-2 is fixed on the second step surface 201 a-1.
The junction of the body 301a and the threaded pipe 301c forms a section that fits the second step surface 201a-1, and this section can press the second seal ring 201a-2 to form a seal when the threaded pipe 301c is screwed into the connection port 201 a. Similarly, the junction between the post 302a and the threaded post 302c is also formed with a section that fits into the second step surface 201a-1, and the section is capable of compressing the second seal ring 201a-2 to form a seal when the threaded post 302c is screwed into the connection port 201 a.
Further, the standard container thermostatic device also comprises a liquid distribution assembly 400, which further accelerates the stable and uniform process of the temperature in the standard container.
The liquid separation assembly 400 comprises a liquid separation pipe 401, a spacer ring 402 and a distance column 403.
A plurality of clamping grooves 201b which are in one-to-one correspondence with the connecting ports 201a are distributed on the inner side wall of the half sleeve 201 along the circumferential direction; each clip groove 201b extends along the length direction of the half sleeve 201, and is open at two ends and longitudinally through. The inner end of the clamping groove 201b is provided with a circle of limiting ring 201c which is integrally formed on the inner side wall of the half sleeve 201.
Each clip groove 201b has a longitudinally extending slit 201b-1 at a radial end thereof, and the width of the slit 201b-1 is smaller than the maximum width of the clip groove 201 b.
The liquid separation tube 401 matched with the flange head 301 or the distance column 403 matched with the blocking head 302 can be inserted into the clamping groove 201b (when the liquid separation tube 401 is inserted into a certain clamping groove 201b, the flange head 301 can be installed into the connecting port 201a corresponding to the clamping groove 201 b; when the distance column 403 is inserted into a certain clamping groove 201b, the blocking head 302 can be installed into the connecting port 201a corresponding to the clamping groove 201 b).
Since the width of the slit 201b-1 is smaller than the maximum width of the clip groove 201b, the liquid distribution pipe 401 can be inserted into the clip groove 201b and cannot be separated from the slit 201b-1 at the side.
The distance posts 403 include a slide bar 403a that can be inserted into the interior of the clip groove 201b and a spacer bar 403b that can protrude through the slot 201 b-1. The isolating bars 403b are abutted between the adjacent spacing rings 402 or abutted between the spacing rings 402 and the limiting ring 201c, and play a role in stabilizing the axial structure of the longitudinally arranged spacing rings 402. The distance posts 403 can also be members of a distance that abut between adjacent distance rings 402, and the distance between adjacent distance rings 402 can be indirectly set by arranging distance posts 403 of different lengths.
Two ends of the liquid separating pipe 401 are through, and the liquid separating pipe 401 is provided with two liquid inlet holes 401a corresponding to the connecting port 201a and a plurality of liquid outlet holes 401b corresponding to the slits 201 b-1. The interlayer space M is divided into a plurality of independent chambers M-1 by the spacer rings 402, and the independent chambers M-1 are equal in number and correspond to the liquid outlet holes 401b on the liquid separating pipe 401 one by one.
When the liquid separating pipe 401 is inserted into the clamping groove 201b and the liquid inlet hole 401a is opposite to the connecting port 201a, each liquid outlet hole 401b on the liquid separating pipe 401 can penetrate through the slit 201b-1 and is in one-to-one correspondence with each independent chamber M-1 and is communicated with each other. Then, the flange head 301 is mounted in the connection port 201a, the end of the threaded pipe 301c of the flange head 301 is further provided with a pipe insertion section 301e matched with the inner diameter of the liquid inlet hole 401a, and the pipe insertion section 301e can be inserted into the liquid inlet hole 401a and is communicated with the interior of the liquid distribution pipe 401. The liquid injected into the liquid distribution pipe 401 through the flange head 301 can be distributed into the corresponding independent cavity M-1 through each liquid outlet hole 401b on the liquid distribution pipe 401, the homogenization of the water circulation amount in the jacket 200 can be improved to the greatest extent through the distribution and the homogenization of the water inlet flow of each independent cavity M-1, the synergy of the temperature in the standard container 100 in the stabilizing process is ensured, and the homogenization of the temperature stability in the standard container 100 is finally ensured.
Preferably, the length of the liquid distribution pipe 401 is twice the length of the single clamping groove 201b, and two liquid inlet holes 401a are symmetrically arranged on the liquid distribution pipe 401.
When the first half body B-1 and the second half body B-2 are respectively sleeved at two ends of the tank body 101, two ends of the liquid distribution pipe 401 can be respectively inserted into the clamping grooves 201B of the first half body B-1 and the second half body B-2, and two liquid inlet holes 401a on the liquid distribution pipe 401 can be respectively opposite to two connecting ports 201a which are positioned in the same column (longitudinal direction) on the first half body B-1 and the second half body B-2.
It should be noted that: the liquid separating tube 401 and the distance pole 403 of the invention are configured with different specifications, the liquid outlet holes 401b on the liquid separating tube 401 with different specifications have different intervals, and the distance pole 403 with different specifications has different lengths. In practical use, when the distance between the liquid outlet holes 401b of a liquid separating tube 401 is equal to the length of a distance column 403, the liquid separating tube 401 and the distance column 403 can be used in cooperation.
The installation mode of the invention is as follows:
firstly, taking a half sleeve 201, and respectively inserting liquid separating pipes 401 into at least two clamping grooves 201b in the half sleeve 201 according to design requirements; flanges 301 are respectively arranged in the connecting ports 201a corresponding to the clamping grooves 201b, and the flanges 301 are inserted into the liquid inlet holes 401a corresponding to the liquid distribution pipes 401;
secondly, distance posts 403, distance rings 402, distance posts 403 and distance rings 402 … … are alternately and sequentially embedded in the first half sleeve 201;
thirdly, plugging heads 302 are respectively arranged in the other connecting ports 201a on the first half sleeve 201;
fourthly, the first half sleeve 201 is sleeved on one end of the standard container 100, and the air inlet end head 102 (or the air outlet end head 103) penetrates out of the tightening end 202 of the half sleeve 201;
fifthly, taking the second half sleeve 201, and embedding the distance posts 403, the distance rings 402, the distance posts 403 and the distance rings 402 … … in the second half sleeve 201 alternately and sequentially;
sixthly, sleeving the second half sleeve 201 on the other end of the standard container 100, and simultaneously enabling the exposed ends of the liquid distribution pipes 401 on the first half sleeve 201 to be respectively inserted into the clamping grooves 201b of the second half sleeve 201 in an aligning manner, and enabling the air outlet end 103 (or the air inlet end 102) to penetrate out of the tightening end 202 of the second half sleeve 201;
seventhly, tightening and fixing the butt joint ends 203 of the two half sleeves 201 through bolts;
eighthly, mounting corresponding flange heads 301 or plugging heads 302 on all connecting ports 201a of the second half sleeve 201 respectively.
Further, for a plurality of connecting ports 201a uniformly distributed on the same half sleeve 201 along the circumferential direction, at least two of the connecting ports 201a are connected with the flange heads 301, at least one of the flange heads 301 serves as a liquid inlet nozzle, and at least one of the flange heads 301 serves as a liquid outlet nozzle. If a connection port 201a is present in the half 201, which is not connected to the flange head 301, the plugging head 302 is connected to all of the connection ports 201 a.
In addition, the standard container thermostat also includes a water circulation assembly 500.
The water circulation assembly 500 includes a water tank 501 disposed above the jacket 200, a first pipe 502 connected between the liquid inlet nozzle and the water tank 501, a second pipe 503 connected between the liquid outlet nozzle and the water tank 501, and a water pump disposed on the second pipe 503. The first pipe 502 and the second pipe 503 may be a combination of pipes connected by a plurality of flanges.
The invention is illustrated in two embodiments as follows:
as shown in fig. 7, 9-11, each half sleeve 201 has two connection ports 201a as liquid inlet and two connection ports 201a as liquid outlet; flanges 301 are arranged on four connecting ports 201a serving as liquid inlets, are collected through a first pipeline 502 and are finally connected to the bottom of a water tank 501; heads 301 are also attached to the four connection ports 201a as liquid outlet ports, and are collected by a second pipeline 503 and finally connected to the side of the water tank 501. The other connecting ports 201a are all provided with a blocking head 302.
Secondly, as shown in fig. 8 and 12, each half sleeve 201 is provided with a connecting port 201a as a liquid inlet and a connecting port 201a as a liquid outlet; flanges 301 are arranged on two connecting ports 201a serving as liquid inlets, are converged through a first pipeline 502 and are finally connected to the bottom of a water tank 501; flanges 301 are also attached to the two connection ports 201a serving as liquid outlets, and are collected by a second pipeline 503 and finally connected to the side of the water tank 501. The other connecting ports 201a are all provided with a blocking head 302.
In summary, the present invention can arbitrarily select the positions and the number of pairs (numbers) of the liquid inlets (and the liquid outlets), and the present invention is flexible to use, so that the present invention can have different usage modes. And the interlayer space M is divided into a plurality of independent chambers M-1, so that the water inlet flow of each independent chamber M-1 can be homogenized, the water circulation amount in the jacket 200 is improved to be uniform, the synergy of the temperature in the standard container 100 in the stabilizing process is ensured, and the stable uniformity of the temperature in the standard container 100 is finally ensured.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (8)
1. A standard container constant temperature device applied to a pVTt method is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the standard container (100) comprises a tank body (101), and an air inlet end (102) and an air outlet end (103) which are respectively arranged at two ends of the tank body (101);
the clamping sleeve (200) comprises a first half body (B-1) and a second half body (B-2) which are symmetrically arranged, wherein each half body comprises a half sleeve (201) with the inner diameter larger than that of the tank body (101), a tightening end (202) arranged at one end of the half sleeve (201) and a butt joint end (203) arranged at the other end of the half sleeve (201); the first half body (B-1) and the second half body (B-2) can be sleeved at two ends of the tank body (101) respectively and are connected and fixed through butt ends (203) of the first half body and the second half body, and the air inlet end head (102) and the air outlet end head (103) penetrate out of tightening ends (202) of the first half body (B-1) and the second half body (B-2) respectively; a connecting port (201a) which is through from inside to outside is arranged on the half sleeve (201); and the number of the first and second groups,
the joint assembly (300) comprises a flange head (301) or a plugging head (302) which is detachably connected to any connecting port (201 a); a flange head (301) connected to the connection port (201a) can be connected to the interlayer space (M) between the standard container (100) and the jacket (200);
the structure of the air outlet end (103) is the same as that of the air inlet end (102), and the air outlet end and the air inlet end are symmetrically arranged at two ends of the tank body (101);
a plurality of connectors (201a) are distributed on the side wall of the half sleeve (201) along the circumferential direction of the half sleeve, and internal threads are arranged on the inner side wall of each connector (201 a);
the flange head (301) comprises a pipe body (301a), a connecting disc (301b) arranged at the outer end of the pipe body (301a) and a threaded pipe (301c) arranged at the inner end of the pipe body (301 a); the outer side wall of the threaded pipe (301c) is provided with an external thread matched with the connecting port (201 a); the interior of the flange head (301) is also provided with a channel (301 d);
the blocking head (302) comprises a column body (302a), a handle (302b) arranged at the outer end of the column body (302a) and a threaded column (302c) arranged at the inner end of the column body (302 a); the outer side wall of the threaded column (302c) is provided with an external thread matched with the connecting port (201 a).
2. The modular vessel thermostat for pVTt method, as claimed in claim 1, characterized in that: the air inlet end head (102) comprises a root part (102a), a sealing extrusion section (102b), a necking section (102c) and a first connecting disc (102d) which are sequentially connected from inside to outside;
the root part (102a) is mutually jointed with one end of the tank body (101);
the outer diameter of the sealing extrusion section (102b) is smaller than that of the root part (102a) and a first step surface (102e) is formed between the sealing extrusion section and the root part (102a), a first circumferential annular groove (102e-1) is formed in the first step surface (102e) in a circumferential surrounding mode, and a first sealing ring (102e-2) is arranged in the first annular groove (102 e-1);
the necking section (102c) has an outer diameter smaller than the seal pressing section (102b) and the first connecting disc (102d) and forms an annular groove (102f) therebetween;
the outer diameter of the first connecting disc (102d) is not larger than the minimum outer diameter of the sealing extrusion section (102 b);
the minimum inner diameter of the tightening end (202) is smaller than the maximum outer diameter of the seal pressing section (102b), and the maximum inner diameter of the tightening end (202) is larger than the minimum outer diameter of the seal pressing section (102 b); the tightening end (202) is sleeved on the periphery of the seal pressing section (102b) and can press the first seal ring (102e-2) through the inner end thereof.
3. The modular vessel thermostat for pVTt applied according to claim 1 or 2, characterized in that: the outer end of the connecting port (201a) is provided with a second step surface (201a-1), and a second sealing ring (201a-2) is fixed on the second step surface (201 a-1);
the joint of the pipe body (301a) and the threaded pipe (301c) forms a section matched with the second step surface (201 a-1); the joint of the column body (302a) and the threaded column (302c) is also formed into a section matched with the second step surface (201 a-1).
4. The modular vessel thermostat for pVTt method according to claim 3, characterized in that: the liquid separation device further comprises a liquid separation assembly (400), wherein the liquid separation assembly (400) comprises a liquid separation pipe (401), a spacer ring (402) and a distance column (403);
clamping grooves (201b) which are in one-to-one correspondence with the connecting ports (201a) are distributed on the inner side wall of the half sleeve (201) along the circumferential direction; each clamping groove (201b) extends along the length direction of the half sleeve (201), two ends of each clamping groove are open, and the inner end of each clamping groove (201b) is provided with a limiting ring (201 c); each clamping groove (201b) is provided with a longitudinally extending slit (201b-1) at the end in the radial direction, and the width of the slit (201b-1) is smaller than the maximum width of the clamping groove (201 b);
the outer diameter of the spacer ring (402) is matched with the inner diameter of the half sleeve (201), and the inner diameter of the spacer ring (402) is matched with the outer diameter of the tank body (101); gaps (402a) corresponding to the clamping grooves (201b) are formed in the spacer ring (402), and the spacer ring can be embedded into the interlayer space (M) one by one;
a liquid separating pipe (401) corresponding to the flange head (301) or a distance column (403) corresponding to the blocking head (302) can be inserted into the clamping groove (201 b); the distance column (403) comprises a sliding strip (403a) capable of being embedded into the clamping groove (201b) and an isolating strip (403b) capable of extending out of the seam (201b-1), wherein the isolating strip (403b) is abutted between adjacent spacing rings (402) or abutted between the spacing rings (402) and a limiting ring (201 c);
the liquid distribution pipe (401) is provided with a liquid inlet hole (401a) corresponding to the connecting port (201a) and a plurality of liquid outlet holes (401b) corresponding to the slits (201 b-1); the spacer ring (402) dividing the sandwich space (M) into separate chambers (M-1); when the liquid separating pipe (401) is inserted into the clamping groove (201b) and the liquid inlet hole (401a) is opposite to the connecting port (201a), the liquid outlet holes (401b) on the liquid separating pipe (401) correspond to the independent cavities (M-1) one by one and are communicated with each other.
5. The modular vessel thermostat for pVTt method according to claim 4, characterized in that: two ends of the liquid distribution pipe (401) are through, the length of the liquid distribution pipe is twice that of the single clamping groove (201b), and two liquid inlet holes (401a) are symmetrically arranged on the liquid distribution pipe (401);
when the first half body (B-1) and the second half body (B-2) are respectively sleeved at two ends of the tank body (101), two ends of the liquid distribution pipe (401) can be respectively inserted into the clamping grooves (201B) of the first half body (B-1) and the second half body (B-2), and two liquid inlet holes (401a) on the liquid distribution pipe (401) can be respectively opposite to two connecting ports (201a) on the same column on the first half body (B-1) and the second half body (B-2).
6. The modular vessel thermostat for pVTt method according to claim 5, characterized in that: the liquid separating pipes (401) and the distance posts (403) are configured with different specifications, the liquid outlet holes (401b) on the liquid separating pipes (401) with different specifications have different intervals, and the distance posts (403) with different specifications have different lengths;
the liquid distributing pipes (401) with the distance equal to the length of a certain distance column (403) between the liquid outlet holes (401b) are matched with the distance column (403) for use.
7. The modular vessel thermostat for pVTt method according to claim 6, characterized in that: for a plurality of connecting ports (201a) which are uniformly distributed on the same half sleeve (201) along the circumferential direction, at least two connecting ports (201a) are connected with flange heads (301), at least one flange head (301) is used as a liquid inlet nozzle, and at least one flange head (301) is used as a liquid outlet nozzle;
if a connecting port (201a) which is not connected with the flange head (301) exists on the half sleeve (201), the sealing head (302) is connected to all the connecting port (201 a).
8. The modular vessel thermostat for pVTt method according to claim 7, characterized in that: further comprising a water circulation assembly (500);
the water circulation assembly (500) comprises a water tank (501) arranged above the jacket (200), a first pipeline (502) connected between the liquid inlet nozzle and the water tank (501), a second pipeline (503) connected between the liquid outlet nozzle and the water tank (501), and a water pump arranged on the second pipeline (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010803239.8A CN112082610B (en) | 2020-08-11 | 2020-08-11 | Standard container constant temperature device applied to pVTt method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010803239.8A CN112082610B (en) | 2020-08-11 | 2020-08-11 | Standard container constant temperature device applied to pVTt method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112082610A CN112082610A (en) | 2020-12-15 |
| CN112082610B true CN112082610B (en) | 2021-04-13 |
Family
ID=73734941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010803239.8A Active CN112082610B (en) | 2020-08-11 | 2020-08-11 | Standard container constant temperature device applied to pVTt method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112082610B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5975126A (en) * | 1996-10-04 | 1999-11-02 | Emerson Electric Co. | Method and apparatus for detecting and controlling mass flow |
| CN201753831U (en) * | 2010-07-23 | 2011-03-02 | 高邮市荣清机械电子有限公司 | Liquefied natural gas storage tank for double-layer vacuum soldering car |
| CN105526996A (en) * | 2015-10-13 | 2016-04-27 | 辽宁省计量科学研究院 | A high-precision pVTt method gas flow standard device |
| CN106444889B (en) * | 2015-08-13 | 2018-07-27 | 北京航天计量测试技术研究所 | A kind of high pressure orifice plate gas stagnation temperature control device and method |
| CN108917887A (en) * | 2018-04-03 | 2018-11-30 | 江苏大学 | A kind of method standard set-up temperature field large size pVTt accelerates heat exchange and fast settling device and method |
| CN109211365A (en) * | 2018-09-28 | 2019-01-15 | 镇江市计量检定测试中心 | A kind of multipurpose pVTt method gas flow standard device |
| CN109945954A (en) * | 2019-04-02 | 2019-06-28 | 上海理工大学 | The pVTt volumetric standard of adiabatic wall |
| CN209197858U (en) * | 2018-08-23 | 2019-08-02 | 中国石油天然气股份有限公司 | Gas flow primary standard system |
| CN110388973A (en) * | 2018-04-23 | 2019-10-29 | 中国石油天然气股份有限公司 | Standard container and volume compensation method thereof |
-
2020
- 2020-08-11 CN CN202010803239.8A patent/CN112082610B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5975126A (en) * | 1996-10-04 | 1999-11-02 | Emerson Electric Co. | Method and apparatus for detecting and controlling mass flow |
| CN201753831U (en) * | 2010-07-23 | 2011-03-02 | 高邮市荣清机械电子有限公司 | Liquefied natural gas storage tank for double-layer vacuum soldering car |
| CN106444889B (en) * | 2015-08-13 | 2018-07-27 | 北京航天计量测试技术研究所 | A kind of high pressure orifice plate gas stagnation temperature control device and method |
| CN105526996A (en) * | 2015-10-13 | 2016-04-27 | 辽宁省计量科学研究院 | A high-precision pVTt method gas flow standard device |
| CN108917887A (en) * | 2018-04-03 | 2018-11-30 | 江苏大学 | A kind of method standard set-up temperature field large size pVTt accelerates heat exchange and fast settling device and method |
| CN110388973A (en) * | 2018-04-23 | 2019-10-29 | 中国石油天然气股份有限公司 | Standard container and volume compensation method thereof |
| CN209197858U (en) * | 2018-08-23 | 2019-08-02 | 中国石油天然气股份有限公司 | Gas flow primary standard system |
| CN109211365A (en) * | 2018-09-28 | 2019-01-15 | 镇江市计量检定测试中心 | A kind of multipurpose pVTt method gas flow standard device |
| CN109945954A (en) * | 2019-04-02 | 2019-06-28 | 上海理工大学 | The pVTt volumetric standard of adiabatic wall |
Non-Patent Citations (2)
| Title |
|---|
| 《pVTt法标准装置容器气体稳定机理与试验研究》;张嘉琛;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20190531;全文 * |
| 《水夹层式pVTt标准装置容器温度场数值模拟》;李伯全等;《江苏大学学报（自然科学版）》;20191114;第40卷(第6期);655-657 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112082610A (en) | 2020-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4670145A (en) | Multiple bundle fluid separation apparatus | |
| JP4290880B2 (en) | 1/4 turn quick connection fitting | |
| US5227063A (en) | Tubular membrane module | |
| US6904936B2 (en) | Flow-diverting rotary valves of multiple paths | |
| CN112082610B (en) | Standard container constant temperature device applied to pVTt method | |
| JP2788794B2 (en) | Hot runner device | |
| US3953334A (en) | Fluid fractionating apparatus | |
| CN112067086B (en) | Jar internal temperature field measurement system of large-scale pVTt metering tank | |
| JPS627407A (en) | Double-ported hollow fiber permeating device | |
| US6014857A (en) | High fuel regression hybrid rocket motor | |
| RU2658160C1 (en) | Lpe combustion chamber mixing head | |
| US5100549A (en) | Tubular membrane module | |
| IL48258A (en) | Manifold for injection molding machine | |
| US5304301A (en) | Apparatus for the injection of compressed air into a liquid | |
| CN110735732A (en) | multifunctional detachable nozzle test device | |
| CN210552874U (en) | Multi-layer machine head of corrugating machine | |
| JP6069891B2 (en) | Gas separation membrane module | |
| US6626208B2 (en) | Check valve for use in a pressure balance faucet | |
| CN202052482U (en) | Static mixer | |
| CN213726538U (en) | Baffle box and reactor | |
| CN110617347A (en) | Split type thermostatic valve | |
| CN221022271U (en) | Machine barrel for extruder | |
| CN220151942U (en) | Filling gun adopting compact waist drum valve fluid control | |
| CN201366790Y (en) | Plastic melt color mixture device of plastic pipe extruder | |
| KR100483141B1 (en) | Nozzel system for plastics pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |