CN219141950U - Top-mounted differential pressure liquid level meter - Google Patents
Top-mounted differential pressure liquid level meter Download PDFInfo
- Publication number
- CN219141950U CN219141950U CN202320004870.0U CN202320004870U CN219141950U CN 219141950 U CN219141950 U CN 219141950U CN 202320004870 U CN202320004870 U CN 202320004870U CN 219141950 U CN219141950 U CN 219141950U
- Authority
- CN
- China
- Prior art keywords
- pressure chamber
- liquid level
- differential pressure
- pressure
- tube
- 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
-
- 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
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model relates to the technical field of liquid level measurement in a closed storage tank of dangerous chemicals in chemical production, and particularly discloses a top-mounted differential pressure liquid level meter, which comprises an intelligent differential pressure transmitter and a protection pipe, wherein a flange plate is arranged at the bottom of the intelligent differential pressure transmitter; the single flange is arranged at the top of the storage tank, so that the defect that the common radar liquid level gauge is easily affected by interference is avoided, and the problems that the single flange liquid level gauge is inaccurate in measurement and the double flange instrument cannot be arranged at the top are solved; the stainless steel protection tube is adopted for sealing, so that the problem that internal equipment is corroded is avoided, and the service life of the liquid level meter is prolonged.
Description
Technical Field
The utility model relates to the technical field of liquid level measurement in a closed storage tank of dangerous chemicals in chemical production, in particular to a top-mounted differential pressure liquid level meter.
Background
The existing differential pressure liquid level meter adopts a double-flange installation mode, the differential pressure liquid level meter is installed on a pipeline through flange plates at two ends, liquid level metering in the pipeline is achieved, and the differential pressure liquid level meter cannot be installed at the top of a single flange. The method can not be used on a storage tank, the existing storage tank is used for liquid level measurement by adopting a top-loading radar liquid level meter measuring method, and although the liquid level of liquid in the storage tank can be measured, the liquid level detection inaccuracy is caused by interference of radar waves in the sealed storage tank. The differential pressure type liquid level meter can avoid interference factors and ensure the accuracy and reliability of liquid level detection of the storage tank. The liquid level is measured by using the guided wave radar, along with the change of the process control liquid level, the liquid level fluctuation causes the radar wave to have diffuse reflection, the normal use of the radar liquid level meter is interfered, and the instrument has false indication. The existing storage tank liquid level measurement has the following problems:
1) The storage tank belongs to special equipment, the storage area belongs to a major hazard source, and the risk of modifying the storage tank is high.
2) The common top-mounted/single flange instrument of the closed container cannot be normally used. Therefore, the top-mounted differential pressure liquid level meter is developed to solve the problems that the existing radar liquid level meter is inaccurate in measurement and the differential pressure liquid level meter cannot be mounted on top.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a top-mounted differential pressure liquid level meter.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a top-mounted differential pressure level gauge, includes intelligent differential pressure transmitter and protection tube, the ring flange is installed to intelligent differential pressure transmitter bottom, and intelligent differential pressure transmitter passes through the ring flange to be installed at the top of storage tank, ring flange bottom fixed connection protection tube, and the protection tube stretches into in the storage tank, and one side lower part of protection tube is equipped with the malleation room and gets the pressure mouth, and the homonymy upper portion of protection tube is equipped with the negative pressure room and gets the pressure mouth, and the malleation room is got the pressure mouth and connect intelligent differential pressure transmitter for detect the liquid level in the storage tank.
Specifically, the intelligent differential pressure transmitter is provided with a positive pressure chamber and a negative pressure chamber, the positive pressure chamber is connected with a positive pressure chamber pressure taking port through a positive pressure chamber capillary tube, the positive pressure chamber pressure taking port penetrates out of the protection tube, the joint of the positive pressure chamber pressure taking port and the protection tube is sealed through welding, the negative pressure chamber is connected with a negative pressure chamber pressure taking port through a negative pressure chamber capillary tube, the negative pressure chamber pressure taking port penetrates out of the protection tube, and the joint of the negative pressure chamber pressure taking port and the protection tube is sealed through welding.
Specifically, the protection tube adopts stainless steel tube and bottom seal, and stainless steel tube top welding seals in the ring flange bottom, and the protection tube seals positive pressure chamber capillary and negative pressure chamber capillary in the body.
Specifically, the periphery of the flange plate is provided with bolt holes, and the flange plate is installed at the top of the storage tank through bolts.
The utility model has the following beneficial effects:
the top-mounted differential pressure liquid level meter designed by the utility model is arranged at the top of the storage tank through the single flange, so that the defect that the common radar liquid level meter is easily affected by interference is avoided, and meanwhile, the problems that the single flange liquid level meter is inaccurate in measurement and the double flange meter cannot be arranged at the top are solved; the stainless steel protection tube is adopted for sealing, so that the problem that internal equipment is corroded is avoided, and the service life of the liquid level meter is prolonged.
Drawings
FIG. 1 is a schematic structural view of a top-mounted differential pressure level gauge.
In the figure: 1-an intelligent differential pressure transmitter; 2-a protection tube; 3-plenum capillary; 4-a negative pressure chamber capillary; 5-a pressure taking port of the positive pressure chamber; 6, a pressure taking port of the negative pressure chamber; 7-flange plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described in further detail below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in FIG. 1, a top-mounted differential pressure liquid level meter comprises an intelligent differential pressure transmitter 1 and a protection pipe 2, wherein a flange plate 7 is installed at the bottom of the intelligent differential pressure transmitter 1, bolt holes are formed in the periphery of the flange plate 7, the flange plate 7 is installed at the top of a storage tank through bolts, and the intelligent differential pressure transmitter 1 is installed at the top of the storage tank through the flange plate 7.
The intelligent differential pressure transmitter 1 is provided with a positive pressure chamber and a negative pressure chamber, the positive pressure chamber is connected with a positive pressure chamber pressure taking port 5 through a positive pressure chamber capillary tube 3, the positive pressure chamber pressure taking port 5 penetrates out of the protection tube 2, the joint of the positive pressure chamber pressure taking port 5 and the protection tube 2 is sealed through welding, the negative pressure chamber is connected with a negative pressure chamber pressure taking port 6 through a negative pressure chamber capillary tube 4, the negative pressure chamber pressure taking port 6 penetrates out of the protection tube 2, and the joint of the negative pressure chamber pressure taking port 6 and the protection tube 2 is sealed through welding.
The flange 7 bottom fixed connection protection pipe 2, protection pipe 2 stretch into in the storage tank, and one side lower part of protection pipe 2 is equipped with malleation room and gets pressure mouth 5, and the homonymy upper portion of protection pipe 2 is equipped with negative pressure room and gets pressure mouth 6, and malleation room gets pressure mouth 5 and negative pressure room and gets pressure mouth 6 and connect intelligent differential pressure transmitter 1 for detect the liquid level in the storage tank.
The protection tube 2 adopts stainless steel tube and the bottom is sealed, and stainless steel tube top welding seals in flange 7 bottom, and protection tube 2 seals positive pressure chamber capillary 3 and negative pressure chamber capillary 4 in the body.
According to the utility model, aiming at the side position measurement of a dangerous chemical storage tank with an opening at the top, a double-flange intelligent differential pressure transmitter is modified, a stainless steel protection pipe 2 with a certain length is welded in the vertical direction below an instrument mounting flange, and a positive pressure chamber capillary 3 and a negative pressure chamber capillary 4 of the intelligent differential pressure transmitter 1 are integrated into the stainless steel protection pipe 2.
According to the height of the storage tank, a pressure taking port 5 of a positive pressure chamber and a pressure taking port 6 of a negative pressure chamber of the intelligent differential pressure transmitter 1 are led out at a proper position of the stainless steel protection pipe 2 and fixed on the outer wall of the stainless steel protection pipe 2. When in installation and use, the reformed instrument is directly fixed through the flange 7 prefabricated at the top. The method not only avoids the defect that the common radar liquid level meter is easily affected by interference, but also solves the problems that the single flange liquid level meter is inaccurate in measurement and the double flange meter cannot be installed at the top.
The present utility model is not limited to the above embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
The technology, shape, and construction parts of the present utility model, which are not described in detail, are known in the art.
Claims (4)
1. The utility model provides a top-mounted differential pressure level gauge, its characterized in that, includes intelligent differential pressure transmitter and protection tube, the ring flange is installed to intelligent differential pressure transmitter bottom, and intelligent differential pressure transmitter passes through the ring flange to be installed at the top of storage tank, ring flange bottom fixed connection protection tube, and the protection tube stretches into in the storage tank, and one side lower part of protection tube is equipped with the malleation room and gets the pressure mouth, and the homonymy upper portion of protection tube is equipped with the negative pressure room and gets the pressure mouth, and malleation room gets pressure mouth and negative pressure room and gets pressure mouth and connect intelligent differential pressure transmitter for detect the liquid level in the storage tank.
2. The top-mounted differential pressure liquid level meter of claim 1, wherein the intelligent differential pressure transmitter is provided with a positive pressure chamber and a negative pressure chamber, the positive pressure chamber is connected with a positive pressure chamber pressure taking port through a positive pressure chamber capillary tube, the positive pressure chamber pressure taking port penetrates out of the protection tube, the connection part of the positive pressure chamber pressure taking port and the protection tube is sealed through welding, the negative pressure chamber is connected with a negative pressure chamber pressure taking port through a negative pressure chamber capillary tube, the negative pressure chamber pressure taking port penetrates out of the protection tube, and the connection part of the negative pressure chamber pressure taking port and the protection tube is sealed through welding.
3. The top-mounted differential pressure level gauge of claim 1, wherein the protective tube is a stainless steel tube with a sealed bottom, the stainless steel tube is welded at the top to the bottom of the flange, and the protective tube seals the positive pressure chamber capillary tube and the negative pressure chamber capillary tube in the tube.
4. The top-mounted differential pressure liquid level gauge according to claim 1, wherein the flange plate is provided with bolt holes at the periphery, and the flange plate is mounted on the top of the storage tank through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320004870.0U CN219141950U (en) | 2023-01-03 | 2023-01-03 | Top-mounted differential pressure liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320004870.0U CN219141950U (en) | 2023-01-03 | 2023-01-03 | Top-mounted differential pressure liquid level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219141950U true CN219141950U (en) | 2023-06-06 |
Family
ID=86592229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320004870.0U Active CN219141950U (en) | 2023-01-03 | 2023-01-03 | Top-mounted differential pressure liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219141950U (en) |
-
2023
- 2023-01-03 CN CN202320004870.0U patent/CN219141950U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201662420U (en) | Integrated dry-gas holder counter metering and piston gradient detecting device | |
| CN113720555A (en) | Device and method for detecting internal leakage of ball valve of oil and gas pipeline | |
| CN209131914U (en) | A kind of air-leakage test gas ductwork apparatus for examination and repair | |
| CN219141950U (en) | Top-mounted differential pressure liquid level meter | |
| CN112049992A (en) | Stainless steel lined composite pipe sealing head | |
| CN204816195U (en) | Desulfurizing tower with formula of input liquid level measurement ware | |
| CN202661131U (en) | Improved liquid level measurement device for phosphoric acid condensation evaporation chamber | |
| CN214467935U (en) | Gas leakage metering and detecting device | |
| CN210862854U (en) | Novel magnetic flap liquid level meter | |
| CN210375332U (en) | Automatic change sewage jar magnetism for control system and turn over board level gauge | |
| CN206146501U (en) | Power plant's pressure pan is with two side pipe level gauges | |
| CN214404851U (en) | Pipeline indicating valve not prone to leakage | |
| CN209511362U (en) | Aluminum fluoride produces reacting furnace end face seal equipment | |
| CN211904310U (en) | Novel acid-base metering box with radar liquid level meter for thermal power plant | |
| CN217878219U (en) | Float valve test oil tank | |
| CN112050905A (en) | Ultrasonic liquefied gas tank liquid level detector | |
| CN211263021U (en) | Flange type valve pressure testing device | |
| CN218094802U (en) | Mass flowmeter with junction leak-proof structure | |
| CN216925716U (en) | Non-contact type measuring device for liquid level | |
| CN211147810U (en) | Novel turn over post display device | |
| CN211740349U (en) | Magnetic reprint level gauge | |
| CN201583473U (en) | Fluid closed type integrate online liquid density testing transducer with externally arranged probe | |
| CN215324716U (en) | Liquid level regulating valve for glass fiber reinforced plastic storage tank | |
| CN212378860U (en) | Liquid level meter for closed oil depot | |
| CN210375583U (en) | Intelligent engineering monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |