CN111637272A - Self-operated liquid level regulating device - Google Patents
Self-operated liquid level regulating device Download PDFInfo
- Publication number
- CN111637272A CN111637272A CN202010499773.4A CN202010499773A CN111637272A CN 111637272 A CN111637272 A CN 111637272A CN 202010499773 A CN202010499773 A CN 202010499773A CN 111637272 A CN111637272 A CN 111637272A
- Authority
- CN
- China
- Prior art keywords
- liquid level
- storage tank
- valve
- float
- flange
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/18—Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Abstract
The invention relates to the technical field of chemical production, in particular to a self-operated liquid level regulating device which comprises a storage tank and a receiving tank, wherein the storage tank is communicated with the receiving tank through a float regulating valve, the float regulating valve comprises a first connecting flange, a float, a valve body, a second connecting flange, a sealing gasket and a balance pipe connecting flange, the first connecting flange is communicated with the storage tank and the receiving tank through a flange opening, the valve body of the first connecting flange is communicated with the valve body of the second connecting flange, and the float is arranged in the valve body of the second connecting flange. When the liquid level in the storage tank rises, the floater in the self-operated liquid level control valve floats upwards, and the valve is automatically opened at the moment; the higher the liquid level in the storage tank is, the maximum opening degree of the valve can be reached after the floater floats completely, and the flow is greatly increased, so that the liquid level in the storage tank is quickly reduced; when the liquid level in the storage tank falls back, the floater falls down and touches the bottom under the action of gravity, and the opening degree of the valve is minimum; therefore, the liquid level in the storage tank can be controlled within a small range forever, and the method is simple and effective.
Description
Technical Field
The invention relates to the technical field of chemical production, in particular to a self-operated liquid level adjusting device.
Background
In chemical production, the liquid level in a container is often required to be automatically controlled, and although various liquid level control modes are available, the requirements and the accuracy of various liquid level control modes are different, the basic control principle can be summarized into a general feedback control mode, and the main differences of the modes include a liquid level detection mode, a signal feedback mode and a difference on a controller. The liquid level control process of the storage tank comprises the following steps: the liquid level in the storage tank is detected through the liquid level transmitter, and the liquid level is sent to the automatic regulating valve in an electronic signal mode, the opening of the automatic regulating valve is automatically regulated according to set liquid level parameters, and the purpose of controlling the liquid level in the storage tank is achieved by controlling the discharge flow. All liquid level self-control adjusting modes need a whole set of interlocking control system, signal power supply, compressed air for work and control cables cannot be reduced, and high and low liquid level alarm needs to be configured to monitor the normal working state of a liquid level transmitter and an automatic adjusting valve. Therefore, the installation of a whole set of liquid level control device is time-consuming and labor-consuming, and the cost is not low; if a set of automatic liquid level control system is added to the existing device, the production interruption problem needs to be faced. In addition, if the liquid in the storage tank is strong corrosive media such as strong acid and strong alkali, the material selection cost of the liquid level transmitter and the automatic regulating valve is greatly increased, and the operation is troublesome.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a self-operated liquid level adjusting device which is simple in structure, convenient to install and strong in reliability, and the liquid level control cost and the installation difficulty are greatly reduced.
The technical scheme adopted by the invention for solving the technical problems is as follows:
self-operated liquid level regulating device, including the storage tank and receive the jar, through float governing valve intercommunication between storage tank and the receipt jar, the float governing valve includes flange one, float, valve body, flange two, sealed pad and balance pipe flange, flange one is through flange mouth and storage tank and receipt jar all intercommunication, flange one's valve body and flange two's valve body link up, the float is installed in flange two's valve body. When the liquid level in the storage tank rises, the overflow pipeline is filled with the liquid, the floater with lower density floats upwards in the self-operated liquid level control valve, and the valve is automatically opened at the moment; the higher the liquid level in the storage tank is, the maximum opening degree of the valve can be reached after the floater floats completely, and the flow is greatly increased, so that the liquid level in the storage tank is quickly reduced; when the liquid level in the storage tank falls back, the floater falls down and touches the bottom under the action of gravity, and the opening degree of the valve is minimum; therefore, the liquid level in the storage tank can be controlled within a small range forever, and the method is simple and effective.
Preferably, the bottoms of the storage tank and the receiving tank are at the same height. The liquid level adjusting device is used for forming the effect of the communicating vessel by the storage tank and the receiving tank and improving the liquid level adjusting effect.
Furthermore, a flange port at one end of the second connecting flange is communicated with the balance pipe connecting flange, and a sealing gasket is arranged at the joint of the second connecting flange and the balance pipe connecting flange.
The float regulating valve is communicated with the pressure balancing pipe through a balancing pipe connecting flange, and one end, far away from the float regulating valve, of the pressure balancing pipe is communicated with the top of the storage tank. If the storage tank and the receiving tank have large pressure difference, the float can be tightly pressed and attached to the inner wall of the valve body and cannot fall down, and at the moment, the upper end cover of the self-operated liquid level control valve needs to be connected with a pressure balance pipe, so that the float cannot be clamped and fixed due to pressure difference extrusion.
Further, the middle parts of the float adjusting valve and the storage tank are communicated through a pipeline, a first stop valve is installed on the pipeline, the middle parts of the float adjusting valve and the receiving tank are communicated through a pipeline, and a second stop valve is installed on the pipeline.
Preferably, a pipeline lens I is further arranged on the pipeline where the float adjusting valve is located in parallel. The liquid level of the first pipeline lens is lower than the height of the pipeline sight glass when the system normally operates, if the liquid level in the storage tank rises to the position of the pipeline sight glass, the liquid level can be observed from the position, meanwhile, the bypass flow leakage effect is achieved, and the liquid level balance is maintained.
Preferably, a pipeline lens II is further arranged on the pipeline where the float adjusting valve is located in series. The second pipeline lens can observe and judge the working state of the float adjusting valve at any time.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a self-operated liquid level adjusting device which is simple in structure, convenient to install and strong in reliability, and the liquid level control cost and the installation difficulty are greatly reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of the float regulating valve of the present invention.
In the figure: 1. the system comprises a storage tank, 2, a receiving tank, 3, a floater regulating valve, 4, pipeline sight glasses I and 5, pipeline sight glasses II and 6, a pressure balance pipe, 7, stop valves I and 8 and a stop valve II;
31. the device comprises a first connecting flange 32, a floater 33, a valve body 34, a second connecting flange 35, a sealing gasket 36 and a balance pipe connecting flange.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Example one
As shown in fig. 1-2, the self-operated liquid level regulating device comprises a storage tank 1 and a receiving tank 2, the storage tank 1 is communicated with the receiving tank 2 through a float regulating valve 3, the float regulating valve 3 comprises a first connecting flange 31, a float 32, a valve body 33, a second connecting flange 34, a sealing gasket 35 and a balance pipe connecting flange 36, the first connecting flange 31 is communicated with the storage tank and the receiving tank through flange openings, the valve body of the first connecting flange 31 is communicated with the valve body of the second connecting flange 34, and the float 32 is installed in the valve body 33 of the second connecting flange 34. When the liquid level in the tank 1 rises, the liquid will fill the overflow channel. In the self-operated liquid level control valve, the floater 32 with lower density floats upwards, and the valve is automatically opened at the moment; and the higher the liquid level in the storage tank 1 is, the valve reaches the maximum opening after the floater 32 completely floats upwards, and the flow is greatly increased, so that the liquid level in the storage tank 1 is quickly reduced; when the liquid level in the storage tank 1 falls back, the floater 32 falls down and touches the bottom under the action of gravity, and the opening degree of the valve is minimum; the liquid level in the tank 1 can thus be permanently controlled within a small range, simply and efficiently.
Preferably, the bottoms of the storage tank 1 and the receiving tank 2 are at the same height. The liquid level adjusting device is used for forming the effect of the communicating vessel by the storage tank and the receiving tank and improving the liquid level adjusting effect.
Furthermore, a flange port at one end of the second connecting flange 34 is communicated with the balance pipe connecting flange 36, and a sealing gasket 35 is installed at the joint of the second connecting flange 34 and the balance pipe connecting flange 36.
Preferably, the gasket in the present embodiment is a rubber gasket structure.
As shown in fig. 2, the float regulating valve 3 is communicated with the pressure balancing pipe 6 through the balancing pipe connecting flange 36, and one end of the pressure balancing pipe 6 far away from the float regulating valve is communicated with the top of the storage tank 1. If a large pressure difference exists between the storage tank 1 and the receiving tank 2, the floater 32 may be tightly pressed and attached to the inner wall of the valve body and cannot fall down, and at the moment, the upper end cover of the self-operated liquid level control valve needs to be connected with the pressure balance pipe 6, so that the floater cannot be clamped and fixed due to pressure difference extrusion.
Further, the middle parts of the float adjusting valve 3 and the storage tank 1 are communicated through a pipeline, a first stop valve 7 is installed on the pipeline, the middle parts of the float adjusting valve 3 and the receiving tank 2 are communicated through a pipeline, and a second stop valve 8 is installed on the pipeline.
Preferably, a pipeline lens I4 is further arranged on the pipeline on which the float regulating valve 3 is arranged in parallel. The liquid level of the first pipeline lens 4 is lower than the height of the pipeline sight glass when the system normally operates, if the liquid level in the storage tank rises to the position of the pipeline sight glass, the liquid level can be observed from the position, meanwhile, the bypass flow leakage effect is achieved, and the liquid level balance is maintained.
Preferably, a pipeline lens two 5 is further arranged on the pipeline on which the float regulating valve 3 is arranged in series. The second pipeline lens 5 can observe and judge the working state of the float adjusting valve at any time.
When the device works actually, as shown in fig. 1, when the liquid level in the storage tank 1 rises, the overflow pipeline is filled with the liquid, the floater 32 with lower density in the self-operated liquid level control valve floats upwards, and the valve is opened automatically; and the higher the liquid level in the storage tank is, the valve reaches the maximum opening after the floater 32 completely floats upwards, and the flow is greatly increased, so that the liquid level in the storage tank is quickly reduced; when the liquid level in the storage tank 1 falls back, the floater 32 falls down and touches the bottom under the action of gravity, and the opening degree of the valve is minimum; the liquid level in the tank 1 can thus be permanently controlled within a small range, simply and efficiently. If a large pressure difference exists between the storage tank 1 and the receiving tank 2, the floater 32 may be tightly pressed and attached to the inner wall of the valve body and cannot fall down, and at the moment, the upper end cover of the self-operated liquid level control valve needs to be connected with a pressure balance pipe, so that the floater cannot be clamped and fixed due to pressure difference extrusion.
In addition, the novel self-operated liquid level control device also comprises a pipeline sight glass for detecting the liquid level, the liquid level is lower than the height of the pipeline sight glass during normal operation, if the liquid level in the storage tank rises to the position of the pipeline sight glass, the liquid level can be observed from the position, meanwhile, the effect of bypass flow leakage is achieved, and the liquid level balance is maintained.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. Self-operated liquid level regulating device, its characterized in that includes the storage tank and receives the jar, through float governing valve intercommunication between storage tank and the receipt jar, the float governing valve includes flange one, float, valve body, flange two, sealed pad and balance pipe flange, flange one is through flange mouth and storage tank and receipt jar all intercommunication, flange one's valve body and flange two's valve body link up, the float is installed in flange two's valve body.
2. The self-operated liquid level regulating device as claimed in claim 1, wherein a flange port at one end of the second connecting flange is communicated with the balance pipe connecting flange.
3. The self-operated liquid level regulating device according to claim 2, wherein a sealing gasket is arranged at the joint of the second connecting flange and the balance pipe connecting flange.
4. The self-operated liquid level regulating device according to claim 1, wherein the float regulating valve is communicated with a pressure balancing pipe through a balancing pipe connecting flange, and one end of the pressure balancing pipe, which is far away from the float regulating valve, is communicated with the top of the storage tank.
5. The self-operated liquid level regulating device according to claim 1, wherein the float regulating valve is communicated with the middle part of the storage tank through a pipeline, and a first stop valve is installed on the pipeline.
6. The self-operated liquid level regulating device as claimed in claim 1, wherein the float regulating valve is communicated with the middle part of the receiving tank through a pipeline, and a second stop valve is installed on the pipeline.
7. The self-operated liquid level regulating device according to claim 5 or 6, wherein a first pipeline lens is further arranged on the pipeline on which the float regulating valve is arranged in parallel.
8. The self-operated liquid level regulating device according to claim 5 or 6, wherein a second pipeline lens is further arranged on the pipeline where the float regulating valve is arranged in series.
9. The self-operated level regulator according to claim 1, wherein the bottoms of the storage tank and the receiving tank are at the same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499773.4A CN111637272A (en) | 2020-06-04 | 2020-06-04 | Self-operated liquid level regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010499773.4A CN111637272A (en) | 2020-06-04 | 2020-06-04 | Self-operated liquid level regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111637272A true CN111637272A (en) | 2020-09-08 |
Family
ID=72329516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010499773.4A Pending CN111637272A (en) | 2020-06-04 | 2020-06-04 | Self-operated liquid level regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111637272A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA199900412A1 (en) * | 1996-11-26 | 2000-04-24 | Петролео Бразилейро С.А. - Петробрас | DRAINAGE SYSTEM TANKS FOR LIQUID STORAGE |
| DE10056289A1 (en) * | 2000-11-14 | 2002-05-23 | Linde Ag | Process for storing a liquid or solid medium in a storage tank comprises partially filling the head chamber of the storage tank above the medium with an inert gas whose density is more than the density of air |
| CN102008833A (en) * | 2010-10-15 | 2011-04-13 | 安徽淮化股份有限公司 | Liquid level control system for rectification column |
| CN102996892A (en) * | 2012-12-11 | 2013-03-27 | 施建刚 | Time delaying valve |
| CN203064558U (en) * | 2012-11-30 | 2013-07-17 | 湖北宜化化工股份有限公司 | Overflow device of carbide slag slurry elevated tank |
| CN203283686U (en) * | 2013-05-27 | 2013-11-13 | 中国石油化工股份有限公司 | Liquid level control device for storage tank |
| CN103821955A (en) * | 2014-03-24 | 2014-05-28 | 铁道第三勘察设计院集团有限公司 | Air shaft set water-collecting well hydraulic communicating valve device |
| CN204841038U (en) * | 2015-08-25 | 2015-12-09 | 苏州捷力新能源材料有限公司 | Different density are separation collection device of mixture of solution body not |
| CN205045281U (en) * | 2015-08-14 | 2016-02-24 | 中国石油大学(华东) | Large -scale storage tank vapor recovery system system |
-
2020
- 2020-06-04 CN CN202010499773.4A patent/CN111637272A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA199900412A1 (en) * | 1996-11-26 | 2000-04-24 | Петролео Бразилейро С.А. - Петробрас | DRAINAGE SYSTEM TANKS FOR LIQUID STORAGE |
| DE10056289A1 (en) * | 2000-11-14 | 2002-05-23 | Linde Ag | Process for storing a liquid or solid medium in a storage tank comprises partially filling the head chamber of the storage tank above the medium with an inert gas whose density is more than the density of air |
| CN102008833A (en) * | 2010-10-15 | 2011-04-13 | 安徽淮化股份有限公司 | Liquid level control system for rectification column |
| CN203064558U (en) * | 2012-11-30 | 2013-07-17 | 湖北宜化化工股份有限公司 | Overflow device of carbide slag slurry elevated tank |
| CN102996892A (en) * | 2012-12-11 | 2013-03-27 | 施建刚 | Time delaying valve |
| CN203283686U (en) * | 2013-05-27 | 2013-11-13 | 中国石油化工股份有限公司 | Liquid level control device for storage tank |
| CN103821955A (en) * | 2014-03-24 | 2014-05-28 | 铁道第三勘察设计院集团有限公司 | Air shaft set water-collecting well hydraulic communicating valve device |
| CN205045281U (en) * | 2015-08-14 | 2016-02-24 | 中国石油大学(华东) | Large -scale storage tank vapor recovery system system |
| CN204841038U (en) * | 2015-08-25 | 2015-12-09 | 苏州捷力新能源材料有限公司 | Different density are separation collection device of mixture of solution body not |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2617610C2 (en) | Methods and apparatus for level loop control | |
| CN105157781A (en) | Device and method for automatically measuring volume of clean tank | |
| CN111637272A (en) | Self-operated liquid level regulating device | |
| CN209209577U (en) | A kind of fluid reservoir sentences sky device | |
| CN209181870U (en) | Liquid level emasuring device | |
| CN218207259U (en) | Self-circulation equipment for maintaining vacuum degree of siphon | |
| CN204595625U (en) | A kind of automatic water-replenishing device for wet-type relief valve | |
| CN101748770B (en) | Liquid level detection type nitrogen-sealed water tank | |
| CN105711261A (en) | Weighing type ink filling machine and ink filling method | |
| CN205670246U (en) | A kind of butadiene tank field safety-protection system that can remotely monitor | |
| CN206957686U (en) | Liquid-level pressure adjusting means and the gs-oil separator of external liquid-level pressure regulation | |
| CN214845035U (en) | Gas chromatograph for polypropylene analysis | |
| CN206460338U (en) | Water-level control apparatus | |
| CN115045869A (en) | Automatic air supply control method for pressure tank based on Boyle function fitting | |
| CN215335746U (en) | Water seal liquid level wireless monitoring device | |
| CN208734624U (en) | A kind of new bottle Liquid level structure | |
| CN205998996U (en) | A kind of butadiene stores safely guard system | |
| CN219493869U (en) | Device for draining liquid in negative pressure gas pipeline | |
| CN207131388U (en) | Independent external liquid level regulation device and the gs-oil separator of external liquid level regulation | |
| CN202086285U (en) | Special anti-pollution energy-saving container device for water machine | |
| CN206871742U (en) | A kind of device for measuring closed vessel liquid level | |
| CN205557696U (en) | Control water tank with biliquid position water function of nourishing | |
| CN209837168U (en) | Automatic control water replenishing and draining device | |
| CN205246180U (en) | Water level detection system | |
| CN210835744U (en) | Oil level sensor oil level compensation device |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200908 |