CN219551595U - High-precision steam flowmeter - Google Patents
High-precision steam flowmeter Download PDFInfo
- Publication number
- CN219551595U CN219551595U CN202320289351.3U CN202320289351U CN219551595U CN 219551595 U CN219551595 U CN 219551595U CN 202320289351 U CN202320289351 U CN 202320289351U CN 219551595 U CN219551595 U CN 219551595U
- Authority
- CN
- China
- Prior art keywords
- pipe
- pressure pipe
- flange
- throttle plate
- welded
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model is applicable to the technical field of flowmeters, and provides a high-precision steam flowmeter, which comprises: the flange pipe is fixedly connected with the high-pressure pipe and the low-pressure pipe, the tops of the high-pressure pipe and the low-pressure pipe are fixedly connected with a three-valve group, and the top of the three-valve group is fixedly connected with a differential pressure transmitter; the throttle plate is arranged in the flange pipe, and the high-pressure pipe and the low-pressure pipe are respectively arranged at two sides of the throttle plate; the fixing device includes: the device comprises a pushing block, a gear and a fixed pin, wherein the pushing block is connected to a supporting frame in a sliding manner, the gear is connected to a rotating shaft in a rotating manner, the fixed pin is connected to a flange pipe in a sliding manner, and the pushing block and the fixed pin are connected to the gear in a meshing manner; an orifice is arranged in the middle of the throttle plate, the edge of the throttle plate is fixedly connected with a convex edge, and the convex edge is provided with a pin hole corresponding to the fixing pin; therefore, the utility model can improve the maintenance efficiency, reduce the maintenance cost and reduce the potential safety hazard.
Description
Technical Field
The utility model relates to the technical field of flowmeters, in particular to a high-precision steam flowmeter.
Background
The steam flowmeter is a special instrument for measuring the accumulated mass flow of steam, and usually adopts an orifice flowmeter and a vortex shedding flowmeter, wherein the orifice flowmeter has a simple structure, low price and can be widely applied in specialized production; the orifice plate flowmeter mainly comprises a flange pipe, a throttle plate, a differential pressure pipe and a differential pressure sensor, wherein the throttle plate is impacted by steam and other fluids for a long time and needs to be overhauled regularly, but the throttle plate and the flange pipe of the traditional orifice plate flowmeter are integrated, the whole orifice plate flowmeter needs to be dismantled during overhauling, the overhauling efficiency is low, the throttle plate is damaged, the whole flange pipe needs to be replaced, the maintenance cost is increased, and resources are wasted.
Patent number CN202210841413.7 discloses a multi-parameter orifice flowmeter, through the combined installation between orifice pipes and the orifice plate of different apertures or hole shapes, makes same orifice plate change through different orifice pipe assembly modules, can be applicable to different media or velocity of flow, has improved orifice flowmeter's high adaptability, but carries out forced overhaul in-process to the flowmeter, throws away and need demolish whole flowmeter back maintenance, maintenance inefficiency.
Overall, the existing steam flow meter is mostly integrated, the maintenance efficiency is low, the maintenance cost is high, and potential safety hazards such as scalds exist in operation under the high-temperature steam environment.
In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present utility model is to provide a high-precision steam flow meter, which can improve maintenance efficiency, reduce maintenance cost, and reduce potential safety hazards.
In order to achieve the above object, the present utility model provides a high-precision steam flow meter comprising: the flange pipe is fixedly connected with the high-pressure pipe and the low-pressure pipe, the tops of the high-pressure pipe and the low-pressure pipe are fixedly connected with a three-valve group, and the top of the three-valve group is fixedly connected with a differential pressure transmitter; the throttle plate is arranged in the flange pipe, and the high-pressure pipe and the low-pressure pipe are respectively arranged at two sides of the throttle plate; the fixing device includes: the device comprises a pushing block, a gear and a fixed pin, wherein the pushing block is connected to a supporting frame in a sliding manner, the gear is connected to a rotating shaft in a rotating manner, the fixed pin is connected to a flange pipe in a sliding manner, and the pushing block and the fixed pin are connected to the gear in a meshing manner; the middle of the throttle plate is provided with a throttle hole, the edge of the throttle plate is fixedly connected with a convex edge, and the convex edge is provided with a pin hole corresponding to the fixing pin.
According to the high-precision steam flowmeter disclosed by the utility model, the flange plates are welded at the two ends of the flange pipe, the supporting frame is welded on the surface of the flange pipe, the accommodating space is arranged on the flange pipe, the throttle plate is arranged in the accommodating space, the convex edges and the sealing frames are welded at the two sides of the throttle plate, the convex edges are embedded in the pipe wall of the flange pipe, the first sealing rings are adhered on the convex edges, the first sealing rings are tightly adhered to the pipe wall of the flange pipe, and the sealing frames are tightly adhered to the outer wall of the flange pipe.
According to the high-precision steam flowmeter, the first rack and the second rack are meshed with the two sides of the gear respectively, the first rack is welded on the pushing block, the second rack is welded on the fixed pin, and the length of the second rack is longer than the moving length of the fixed pin; the gear is rotationally connected to the rotating shaft, fixing plates are welded on two sides of the rotating shaft, and the fixing plates are welded on the surface of the flange pipe.
According to the high-precision steam flowmeter disclosed by the utility model, the pipe wall of the flange pipe is internally provided with the accommodating space, the accommodating space is slidably connected with the fixing pin, the outer wall of the fixing pin is abutted against the inner circle of the pin hole, and the second sealing ring is in interference fit with the fixing pin.
According to the high-precision steam flowmeter disclosed by the utility model, the flange pipe is in threaded connection with the high-pressure pipe and the low-pressure pipe, the high-pressure pipe and the low-pressure pipe are provided with two sides of the throttle plate, the tops of the high-pressure pipe and the low-pressure pipe are in threaded connection with the three-valve group, and the top of the three-valve group is fixedly connected with the differential pressure transmitter.
According to the high-precision steam flow meter disclosed by the utility model, the baffle is welded on the flange pipe, the vertical plate is fixed on the baffle through the bolts, and the vertical plate is welded on the sealing frame.
The utility model provides a high-precision steam flowmeter, which comprises: the flange pipe is fixedly connected with the high-pressure pipe and the low-pressure pipe, the tops of the high-pressure pipe and the low-pressure pipe are fixedly connected with a three-valve group, and the top of the three-valve group is fixedly connected with a differential pressure transmitter which can be used for measuring steam flow in a pipeline; the throttle plate is arranged in the flange pipe, and the high-pressure pipe and the low-pressure pipe are respectively arranged at two sides of the throttle plate; the fixing device includes: the device comprises a pushing block, a gear and a fixed pin, wherein the pushing block is connected to a supporting frame in a sliding manner, the gear is connected to a rotating shaft in a rotating manner, the fixed pin is connected to a flange pipe in a sliding manner, and the pushing block and the fixed pin are connected to the gear in a meshed manner, so that a throttle plate can be fixed conveniently and fast, and the throttle plate is convenient to overhaul; an orifice is arranged in the middle of the throttle plate, the edge of the throttle plate is fixedly connected with a convex edge, and the convex edge is provided with a pin hole corresponding to the fixing pin; the maintenance efficiency is improved, the maintenance cost is reduced, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of a partial enlarged structure of the A in FIG. 1 according to the present utility model;
FIG. 3 is a schematic cross-sectional view of FIG. 2 of the present utility model;
FIG. 4 is a schematic view of a throttle plate structure of the present utility model;
FIG. 5 is a schematic view of the structure of the fixing pin of the present utility model;
FIG. 6 is a schematic cross-sectional view of a flanged pipe according to the utility model;
in the figure, 1-differential pressure transmitter, 2-three valves, 3-high pressure pipe, 4-low pressure pipe, 5-sealing frame, 501-riser, 6-baffle, 7-flange, 8-flange pipe, 9-first sealing ring, 10-throttle plate, 101-flange, 102-pin hole, 103-throttle hole, 11-push block, 111-first rack, 12-gear, 121-spindle, 13-fixed pin, 14-second rack, 141-second sealing ring, 15-support frame, 16-fixed plate.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.
Referring to fig. 1, the present utility model provides a high accuracy steam flow meter comprising: the flange pipe 8, the high-pressure pipe 3, the low-pressure pipe 4, the throttle plate 10 and the fixing device are fixedly connected with the high-pressure pipe 3 and the low-pressure pipe 4, the tops of the high-pressure pipe 3 and the low-pressure pipe 4 are fixedly connected with the three-valve group 2, and the top of the three-valve group 2 is fixedly connected with the differential pressure transmitter 1 which can be used for measuring steam flow in a pipeline; the throttle plate 10 is arranged in the flange pipe 8, and the high-pressure pipe 3 and the low-pressure pipe 4 are respectively arranged at two sides of the throttle plate 10; the fixing device includes: the device comprises a pushing block 11, a gear 12 and a fixed pin 13, wherein the pushing block 11 is slidably connected with a supporting frame 15, the gear 12 is rotatably connected with a rotating shaft 121, the fixed pin 13 is slidably connected with a flange pipe 8, the pushing block 11 and the fixed pin 13 are both meshed with the gear 12, so that the throttle plate 10 can be conveniently fixed, and the throttle plate 10 is convenient to overhaul; an orifice 103 is arranged in the middle of the throttle plate 10, a convex edge 101 is fixedly connected to the edge of the throttle plate 10, and a pin hole 102 is arranged on the convex edge 101 corresponding to the fixing pin 13; the maintenance efficiency is improved, the maintenance cost is reduced, and the potential safety hazard is reduced.
Preferably, flange plates 7 are welded at two ends of a flange pipe 8, a supporting frame 15 is welded on the surface of the flange pipe 8, an accommodating space is formed in the flange pipe 8, a throttle plate 10 is arranged in the accommodating space, a convex edge 101 and a sealing frame 5 are welded on two sides of the throttle plate 10, the convex edge 101 is embedded in the pipe wall of the flange pipe 8, a first sealing ring 9 is adhered to the convex edge 101, the first sealing ring 9 is tightly adhered to the pipe wall of the flange pipe 8, the sealing frame 5 is tightly adhered to the outer wall of the flange pipe 8, and sealing strips are fixedly connected to the contact surface of the sealing frame 5 and the flange pipe, so that air leakage of the contact surface is prevented, the throttle plate 10 is convenient to overhaul, and the air tightness is improved.
In addition, two sides of the gear 12 of the utility model are respectively meshed with a first rack 111 and a second rack 14, the first rack 111 is welded on the pushing block 00, the second rack 14 is welded on the fixed pin 13, and the length of the second rack 14 is longer than the moving length of the fixed pin 13; the gear 12 is rotatably connected to the rotating shaft 121, fixing plates 16 are welded on two sides of the rotating shaft 121, and the fixing plates 16 are welded on the surface of the flange pipe 8, so that the throttle plate 10 is convenient to fix, and stability is improved.
Further, an accommodating space is arranged in the pipe wall of the flange pipe 8, a fixing pin 13 is connected in a sliding manner in the accommodating space, the outer wall of the fixing pin 13 is abutted against the inner circle of the pin hole 102, and a second sealing ring 141 is in interference fit with the fixing pin 13 to play a role in sealing and prevent air leakage.
Better, the flange pipe 8 of the utility model is in threaded connection with the high-pressure pipe 3 and the low-pressure pipe 4, the high-pressure pipe 3 and the low-pressure pipe 4 are provided with two sides of the throttle plate 10, the tops of the high-pressure pipe 3 and the low-pressure pipe 4 are in threaded connection with the three-valve group 2, and the top of the three-valve group 2 is fixedly connected with the differential pressure transmitter 1, so that the steam flow in the pipeline can be measured.
Working principle: the method comprises the steps that steam flows to a flange pipe 8 in a preset mode, flows from a high-pressure pipe 3 to a low-pressure pipe 4 through a throttle plate 10, and a throttle hole 103 is formed in the throttle plate 10 so that pressure difference can be formed on two sides; the high-pressure pipe 3 and the low-pressure pipe 4 are connected with a three-valve group 2 in a screwed mode, the three-valve group 2 is fixedly connected with a differential pressure transmitter 1, and the differential pressure transmitter 1 reads the steam flow number in the pipeline after converting signals; the two sides of the throttle plate 10 are welded with the sealing frame 5 and the convex edge 101, the convex edge 101 is adhered with the first sealing ring 9, the convex edge 101 is embedded in the pipe wall of the flange pipe 8, and the first sealing ring 9 plays a sealing role, so that air leakage can be effectively prevented; the flange 101 is provided with a pin hole 102, the fixed pin 13 passes through the pin hole 102 to fix the throttle plate 10, so that stability is improved, the fixed pin 13 is adhered with a second sealing ring 141, and the second sealing ring 141 plays a sealing role; during maintenance, the pushing block 11 is pushed to drive the first rack 111 to drive the gear 12 to rotate, the gear 12 drives the second rack 14 to rotate, the second rack 14 is welded on the fixed pin 13, the second rack 14 drives the fixed pin 13 to be separated from the throttle plate 10, the throttle plate 10 is pulled out through the sealing frame 5 and is maintained, after maintenance, the throttle plate 10 is arranged in the flange pipe 8, the pushing block 11 is pushed reversely, and the fixed pin 13 is moved reversely to fix the throttle plate 10; the sealing frame 5 is welded with the vertical plate 501, the vertical plate 501 is fixed on the baffle plate 6 through bolts, and the baffle plate 6 is welded on the flange pipe 8, so that stability is improved.
In summary, the present utility model provides a high-precision steam flow meter, including: the flange pipe is fixedly connected with the high-pressure pipe and the low-pressure pipe, the tops of the high-pressure pipe and the low-pressure pipe are fixedly connected with a three-valve group, and the top of the three-valve group is fixedly connected with a differential pressure transmitter which can be used for measuring steam flow in a pipeline; the throttle plate is arranged in the flange pipe, and the high-pressure pipe and the low-pressure pipe are respectively arranged at two sides of the throttle plate; the fixing device includes: the device comprises a pushing block, a first rack, a gear and a fixed pin, wherein the pushing block is in sliding connection with a supporting frame, the gear is in rotating connection with a rotating shaft, the fixed pin is in sliding connection with a flange pipe, and the pushing block and the fixed pin are both in meshed connection with the gear, so that a throttle plate can be conveniently fixed, and the throttle plate is convenient to overhaul; an orifice is arranged in the middle of the throttle plate, the edge of the throttle plate is fixedly connected with a convex edge, and the convex edge is provided with a pin hole corresponding to the fixing pin; the maintenance efficiency is improved, the maintenance cost is reduced, and the potential safety hazard is reduced.
Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. A high accuracy steam flow meter, comprising: the flange pipe is fixedly connected with the high-pressure pipe and the low-pressure pipe, the tops of the high-pressure pipe and the low-pressure pipe are fixedly connected with a three-valve group, and the top of the three-valve group is fixedly connected with a differential pressure transmitter; the throttle plate is arranged in the flange pipe, and the high-pressure pipe and the low-pressure pipe are respectively arranged at two sides of the throttle plate; the fixing device includes: the device comprises a pushing block, a gear and a fixed pin, wherein the pushing block is connected to a supporting frame in a sliding manner, the gear is connected to a rotating shaft in a rotating manner, the fixed pin is connected to a flange pipe in a sliding manner, and the pushing block and the fixed pin are connected to the gear in a meshing manner; the middle of the throttle plate is provided with a throttle hole, the edge of the throttle plate is fixedly connected with a convex edge, and the convex edge is provided with a pin hole corresponding to the fixing pin.
2. The high-precision steam flow meter of claim 1, wherein flange plates are welded at two ends of the flange pipe, a supporting frame is welded on the surface of the flange pipe, an accommodating space is arranged on the flange pipe, a throttle plate is arranged in the accommodating space, a convex edge and a sealing frame are welded at two sides of the throttle plate, the convex edge is embedded in the pipe wall of the flange pipe, a first sealing ring is adhered on the convex edge, the first sealing ring is tightly adhered to the pipe wall of the flange pipe, and the sealing frame is tightly adhered to the outer wall of the flange pipe.
3. The high-accuracy steam flow meter of claim 1, wherein a first rack and a second rack are meshed on two sides of the gear respectively, the first rack is welded on the push block, the second rack is welded on the fixed pin, and the length of the second rack is longer than the moving length of the fixed pin; the gear is rotationally connected to the rotating shaft, fixing plates are welded on two sides of the rotating shaft, and the fixing plates are welded on the surface of the flange pipe.
4. The high-precision steam flow meter of claim 1, wherein an accommodating space is arranged in the pipe wall of the flange pipe, a fixing pin is slidably connected in the accommodating space, the outer wall of the fixing pin is abutted against the inner circle of the pin hole, and a second sealing ring is in interference fit with the fixing pin.
5. The high-precision steam flow meter of claim 1, wherein the flange pipe is in screwed connection with a high-pressure pipe and a low-pressure pipe, the high-pressure pipe and the low-pressure pipe are provided with two sides of a throttle plate, the tops of the high-pressure pipe and the low-pressure pipe are in screwed connection with a three-valve group, and a differential pressure transmitter is fixedly connected to the top of the three-valve group.
6. The high accuracy vapor flow meter of claim 1, wherein a baffle is welded to the flange tube, and wherein a riser is bolted to the baffle, and wherein the riser is welded to the sealing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320289351.3U CN219551595U (en) | 2023-02-23 | 2023-02-23 | High-precision steam flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320289351.3U CN219551595U (en) | 2023-02-23 | 2023-02-23 | High-precision steam flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219551595U true CN219551595U (en) | 2023-08-18 |
Family
ID=87701691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320289351.3U Active CN219551595U (en) | 2023-02-23 | 2023-02-23 | High-precision steam flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219551595U (en) |
-
2023
- 2023-02-23 CN CN202320289351.3U patent/CN219551595U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107218516A (en) | A kind of water delivery in pipeline system multiple spot minute leakage detection means and method | |
| CN219551595U (en) | High-precision steam flowmeter | |
| CN201053917Y (en) | Acoustic wave leakage-determining system monitor for monitoring gas pipe leakage | |
| CN110083876B (en) | Automatic analysis system and analysis method for internal leakage of high-temperature and high-pressure valve of power plant | |
| CN110864826A (en) | Quick connecting device for detecting heat energy meter | |
| CN202304902U (en) | Device for measuring air intake flow rate of diesel engine | |
| CN210321845U (en) | Segmental orifice plate differential pressure flowmeter | |
| CN219573150U (en) | Intelligent turbine flowmeter | |
| CN218765439U (en) | Portable pipeline internal flow shows auxiliary device | |
| CN209166533U (en) | A kind of integral type turbine flowmeter | |
| CN203069218U (en) | Uniform-velocity tube flowmeter | |
| CN111174840B (en) | Novel plug-in electromagnetic flowmeter | |
| CN2847234Y (en) | Insert multiple throat radia flow measurer | |
| CN106841668A (en) | The pipe flow speed sensor and application method of a kind of fixed blade wheel structure | |
| CN216954649U (en) | Vortex shedding flowmeter for measuring gas | |
| CN2303271Y (en) | Large-diameter target type flow sensor | |
| CN219977483U (en) | Anti-interference gas pipeline flowmeter | |
| CN220912379U (en) | Sensor flowmeter convenient to maintain | |
| CN220871811U (en) | Built-in V-cone flowmeter easy to maintain | |
| CN219694401U (en) | Integrated heat meter with meter valve | |
| CN219589735U (en) | Balance orifice flowmeter | |
| CN216246558U (en) | Reducing type porous balance flowmeter | |
| CN208254560U (en) | A kind of flow measurement device based on adjusting type annular groove orifice plate | |
| CN216206884U (en) | Compact test rotating disc type DN150-DN500 water meter calibrating device | |
| CN220960182U (en) | Controllable orifice plate flowmeter of no helping hand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |