CN208998874U - A kind of simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas - Google Patents
A kind of simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas Download PDFInfo
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- CN208998874U CN208998874U CN201821818673.8U CN201821818673U CN208998874U CN 208998874 U CN208998874 U CN 208998874U CN 201821818673 U CN201821818673 U CN 201821818673U CN 208998874 U CN208998874 U CN 208998874U
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- pitot tube
- guide rod
- shell
- blast furnace
- coke oven
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Abstract
The utility model discloses a kind of simple coke oven of pitot tube flowmeter technical field and the dedicated block-resistant type pitot tube flowmeters of blast furnace gas, including shell, sealing shroud is connected at the top of the shell, Pitot tube is plugged at the top of the sealing shroud, shell is run through in the bottom end of the Pitot tube, guide rod is plugged at the top of the Pitot tube, fastening bolt is plugged at the top of the front side of the Pitot tube, the rear side of the fastening bolt is contacted with guide rod, the simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas, by adding two dredging bars for unclog the pipe in Pitot tube inner cavity, guide rod can be pushed and pulled when Pitot tube intracavity bottom is blocked drives dredging bar to move up and down, block clearing is carried out to Pitot tube intracavity bottom, being stretched using the push rod of electric pushrod drives Pitot tube to move, to realize the mesh for plugging Pitot tube on shell , then cooperate the use of remote control switch that the function that remote auto control Pitot tube is plugged can be achieved.
Description
Technical field
The utility model relates to pitot tube flowmeter technical field, specially a kind of simple coke oven and blast furnace gas are dedicated anti-
Stifled type pitot tube flowmeter.
Background technique
Pitot tube flowmeter is by being known as pitot hole being provided with an aperture in the Pitot tube head direction Ying Liu, shape at this
At " stationary point ", several static pressure holes perpendicular to fluid flow direction are provided at a certain distance from away from head, each surveyed static pressure of static pressure hole exists
Equal pressure chamber exports after pressing, since the flow velocity of the stagnation pressure of fluid and the difference of static pressure and detected fluid has determining numerical relation, because
This can measure fluid flow rate with Pitot tube to calculate the size of measured flux, measure simply using pitot tube flowmeter
When coke oven and blast furnace gas, the phenomenon that Pitot tube intracavity bottom is easy to happen blocking after a period of use, and finished in measurement
After need manually to plug Pitot tube, operation is more troublesome, and needs to improve it thus.
Utility model content
The purpose of this utility model is to provide a kind of simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas,
To solve pitot tube flowmeter mentioned above in the background art, its intracavity bottom is easy to happen blocking after a period of use
Phenomenon, and need manually to plug Pitot tube after measurement, operate the problem of being more troublesome.
To achieve the above object, the utility model provides the following technical solutions: a kind of simple coke oven and blast furnace gas are dedicated
Block-resistant type pitot tube flowmeter, including shell are connected with sealing shroud at the top of the shell, are plugged at the top of the sealing shroud
Shell is run through in Pitot tube, the bottom end of the Pitot tube, and guide rod, the front side top of the Pitot tube are plugged at the top of the Pitot tube
Portion is plugged with fastening bolt, and the rear side of the fastening bolt is contacted with guide rod, and the inner cavity of the Pitot tube is equipped with differential pressure pickup,
Pitot tube is run through in the bottom end of the differential pressure pickup, and the top rear of the differential pressure pickup runs through Pitot tube, the Pitot tube
Outer wall be socketed with connecting plate, the top right side of the shell is equipped with electric pushrod, the top push rod of the electric pushrod with
The bottom right of connecting plate connects, and the right hand top of the shell is equipped with remote control switch, the remote control switch by conducting wire with
Electric pushrod connection, the bottom end of the guide rod are located at the inner cavity of Pitot tube, and the bottom of the guide rod is connected with sealing piston, described
Dredging bar is respectively connected at left and right sides of the bottom of sealing piston, the differential pressure pickup is located between two dredging bars, described close
There are three rubber seal, three rubber seal longitudinal arrangements for the internal chamber wall insertion of big envelope.
Preferably, handle is installed, the guide rod and dredging bar are stainless steel at the top of the guide rod.
Preferably, the differential pressure pickup is L-shaped, and the differential pressure pickup is located at the lumen centers position of Pitot tube.
Preferably, the outer wall of the sealing piston is embedded with PU sealing ring
Compared with prior art, the utility model has the beneficial effects that the simple coke oven and the dedicated block-resistant type of blast furnace gas
Pitot tube flowmeter, by adding two dredging bars for unclog the pipe in Pitot tube inner cavity, can in Pitot tube bottom of chamber
Guide rod is pushed and pulled when portion is blocked drives dredging bar to move up and down, and carries out block clearing to Pitot tube intracavity bottom, utilizes electric pushrod
Push rod it is flexible drive Pitot tube movement, to realize the purpose for plugging Pitot tube on shell, then cooperate the use of remote control switch
The function that remote auto control Pitot tube is plugged can be achieved.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model Pitot tube cross-sectional view；
Fig. 3 is the utility model Pitot tube right side view；
Fig. 4 is the utility model sealing shroud cross-sectional view.
In figure: 1 shell, 2 sealing shrouds, 3 Pitot tubes, 4 guide rods, 5 fastening bolts, 6 differential pressure pickups, 7 connecting plates, 8 electronic
Push rod, 9 remote control switches, 10 sealing pistons, 11 dredging bars, 12 rubber seal.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of simple coke oven and blast furnace gas are dedicated anti-blocking
Type pitot tube flowmeter, including shell 1, the top of the shell 1 are connected with sealing shroud 2, and the top of the sealing shroud 2 is plugged with
Shell 1 is run through in the bottom end of Pitot tube 3, the Pitot tube 3, and the top of the Pitot tube 3 is plugged with guide rod 4, the Pitot tube 3
Fastening bolt 5 is plugged at the top of front side, fastening bolt 5 is for fixing guide rod 4, the rear side and guide rod 4 of the fastening bolt 5
The inner cavity of contact, the Pitot tube 3 is equipped with differential pressure pickup 6, is used for measure differences in pressure, the bottom end of the differential pressure pickup 6 is passed through
Pitot tube 3 is worn, the top rear of the differential pressure pickup 6 runs through Pitot tube 3, and the outer wall of the Pitot tube 3 is socketed with connecting plate
7, the top right side of the shell 1 is equipped with electric pushrod 8, the top push rod of the electric pushrod 8 and the bottom, right of connecting plate 7
Side connection can drive connecting plate 7 and Pitot tube 3 to move up and down by the way that the push rod of electric pushrod 8 is flexible, the shell 1
Right hand top is equipped with remote control switch 9, and the remote control switch 9 is connect by conducting wire with electric pushrod 8, the bottom end of the guide rod 4
Positioned at the inner cavity of Pitot tube 3, the bottom of the guide rod 4 is connected with sealing piston 10, plays the role of sealing 3 inner cavity of Pitot tube,
It is respectively connected with dredging bar 11 at left and right sides of the bottom of the sealing piston 10, drives about 11 bar of dredging to transport by push-and-pull guide rod 4
It is dynamic, it can be dredged at the blocking to 3 intracavity bottom of Pitot tube, the differential pressure pickup 6 is located between two dredging bars 11, institute
The internal chamber wall insertion of sealing shroud 2 is stated there are three rubber seal 12, three 12 longitudinal arrangements of rubber seal.
Wherein, the top of the guide rod 4 is equipped with handle, facilitates push-and-pull guide rod 4, and the guide rod 4 and dredging bar 11 are
Stainless steel has preferable corrosion resistance, and the differential pressure pickup 6 is L-shaped, and the differential pressure pickup 6 is located at Pitot tube 3
Lumen centers position, is convenient for block clearing, and the outer wall of the sealing piston 10 is embedded with PU sealing ring, play sealing piston 10 can good
Good sealing function.
Working principle: when measurement, shell 1 being connect with measured pipeline, and there are three rubber for the internal chamber wall insertion of sealing shroud 2
Sealing ring 12 is socketed on the outer wall of Pitot tube 3, plays sealing function, can prevent fluid from letting out from sealing shroud 2, when
When the intracavity bottom of Pitot tube 3 generates blocking, fastening bolt 5 is unclamped, guide rod 4 can be moved up and down at this time, by pushing and pulling 4 band of guide rod
Dynamic dredging bar 11 moves up and down, and can dredge at the blocking to 3 intracavity bottom of Pitot tube, sealing piston 10 is used for Pitot tube
3 inner cavity is sealed, and prevents fluid from leaking from Pitot tube 3, and electric pushrod 8 selects YGT75B type reciprocating motor push rod,
Its push rod can move back and forth, and remote control switch 9 selects TDL-T11 type, have the function of that remote control power is switched on or switched off,
After remote control switch 9 is connected external power supply, connecting plate 7 and Pitot tube 3 can be driven to carry out by the way that the push rod of electric pushrod 8 is flexible
Lower movement when 8 push rod of electric pushrod stretches out, drives Pitot tube 3 to move upwards in sealing shroud 2, it can be made to pull out from shell 1
Out, it when 8 pusher retracted of electric pushrod, drives Pitot tube 3 to move downward in sealing shroud 2, can insert it into shell 1.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas, including shell (1), it is characterised in that: institute
It states and is connected at the top of shell (1) sealing shroud (2), be plugged with Pitot tube (3), the Pitot tube at the top of the sealing shroud (2)
(3) shell (1) is run through in bottom end, is plugged with guide rod (4) at the top of the Pitot tube (3), at the top of the front side of the Pitot tube (3)
It is plugged with fastening bolt (5), the rear side of the fastening bolt (5) is contacted with guide rod (4), and the inner cavity of the Pitot tube (3) is equipped with
Pitot tube (3) are run through in the bottom end of differential pressure pickup (6), the differential pressure pickup (6), behind the top of the differential pressure pickup (6)
Pitot tube (3) are run through in side, and the outer wall of the Pitot tube (3) is socketed with connecting plate (7), the top right side installation of the shell (1)
Have electric pushrod (8), the top push rod of the electric pushrod (8) is connect with the bottom right of connecting plate (7), the shell (1)
Right hand top be equipped with remote control switch (9), the remote control switch (9) is connect by conducting wire with electric pushrod (8), the guide rod
(4) bottom end is located at the inner cavity of Pitot tube (3), and the bottom of the guide rod (4) is connected with sealing piston (10), the sealing piston
(10) dredging bar (11) is respectively connected at left and right sides of bottom, the differential pressure pickup (6) is located between two dredging bars (11),
There are three rubber seal (12), three rubber seal (12) longitudinal arrangements for the internal chamber wall insertion of the sealing shroud (2).
2. a kind of simple coke oven according to claim 1 and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas, feature
It is: handle is installed, the guide rod (4) and dredging bar (11) are stainless steel at the top of the guide rod (4).
3. a kind of simple coke oven according to claim 1 and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas, feature
Be: the differential pressure pickup (6) is L-shaped, and the differential pressure pickup (6) is located at the lumen centers position of Pitot tube (3).
4. a kind of simple coke oven according to claim 1 and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas, feature
Be: the outer wall of the sealing piston (10) is embedded with PU sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818673.8U CN208998874U (en) | 2018-11-06 | 2018-11-06 | A kind of simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821818673.8U CN208998874U (en) | 2018-11-06 | 2018-11-06 | A kind of simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas |
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| Publication Number | Publication Date |
|---|---|
| CN208998874U true CN208998874U (en) | 2019-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821818673.8U Active CN208998874U (en) | 2018-11-06 | 2018-11-06 | A kind of simple coke oven and the dedicated block-resistant type pitot tube flowmeter of blast furnace gas |
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| CN (1) | CN208998874U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083189A (en) * | 2020-07-17 | 2020-12-15 | 华电电力科学研究院有限公司 | Semi-embedded pipeline movable pitot tube wind speed measuring device and working method |
-
2018
- 2018-11-06 CN CN201821818673.8U patent/CN208998874U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083189A (en) * | 2020-07-17 | 2020-12-15 | 华电电力科学研究院有限公司 | Semi-embedded pipeline movable pitot tube wind speed measuring device and working method |
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