CN104196711A - Device for solving problem that metering pump cannot be used normally due to fact that liquid contains gas or is prone to generating gas - Google Patents
Device for solving problem that metering pump cannot be used normally due to fact that liquid contains gas or is prone to generating gas Download PDFInfo
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- CN104196711A CN104196711A CN201410438507.5A CN201410438507A CN104196711A CN 104196711 A CN104196711 A CN 104196711A CN 201410438507 A CN201410438507 A CN 201410438507A CN 104196711 A CN104196711 A CN 104196711A
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- pump
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- metering pump
- gas
- gassiness
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Abstract
The invention belongs to the technical field of water treatment, and relates to a device for solving the problem that a metering pump cannot be used normally due to the fact that liquid contains gas or is prone to generating gas. The device for solving the problem that the metering pump cannot be used normally due to the fact that liquid contains gas or is prone to generating gas comprises a metering pump arranged on a pump inlet pipe perpendicular to a feeding pipeline and further comprises an exhaust device, the exhaust device is installed on the feeding pipeline before the metering pump, and the exhaust device is communicated with the air. Compared with the prior art, a simple and feasible method is adopted, the gas in the conveyed liquid is effectively removed, blades or diaphragms in a pump body are protected, the service life of a dosing pump is prolonged, and meanwhile fluid conveying is made to be more stable and safer. In addition, the device avoids frequent pump emptying operations and has the advantages of being simple and convenient to install, simple in technology and high in efficiency.
Description
Technical field
The invention belongs to water-treatment technology field, relate to a kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used.
Background technique
The microprocessor pump drive using is at present when carrying air containing fluid or easily produce the liquid of gas in course of conveying, in pump chamber, easily produce gas, and the existence of gas will cause liquid can not fully enter pump chamber, cause metering pump to find time when sucking, and when discharging, air is pushed, the pressure in film chamber does not reach working pressure, and then cannot discharge liquid, cannot normally work.Thereby, for fear of the appearance of this problem, need the indoor gas of regular drain pump, reduce the generation of air sinuses phenomenon.Artificial exhaust not only cannot guarantee the steadily normal operation of equipment, has also increased loaded down with trivial details operation.In addition, also have at present some pumps to contain automatic exhaust device, but the design of these pumps is complicated, and involves great expense, be unfavorable for promoting widely.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of simple in structure, operate practical and convenient, greatly extend pump working life solution gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used.
A kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, comprise the metering pump on pump line that enters being arranged on perpendicular to feeding pipe, also comprise venting gas appliance, venting gas appliance is arranged on the feeding pipe before metering pump, and outlet pipe communicates with atmosphere.
Preferably, exhaust duct is perpendicular to horizontal feed pipeline (and being neat seam bonding).
Preferably, venting gas appliance is the emptying pipe with certain altitude, and is furnished with manually operated valve.
Preferably, entering pump line assigns on the feeding pipe in substantially horizontal.
Preferably, the pipeline that connects metering pump is a pipeline with angle, and is installed on the position below gas-liquid interface in horizontal feed pipeline.
Preferably, described metering pump is that liquid adds pump; Outlet end is divided into three branch roads, and ripple damper, back pressure valve, float flowmeter and safety valve are installed respectively.
Of the present inventionly a kind ofly solve gassiness or working principle that easily aerogenesis liquid causes the device that metering pump cannot normally use is: when the fluid that contains gas when conveying or fluid easily produce gas in flow process, the gas producing is discharged at the outlet pipe entering before adding pump.Because the proportion of gas is less than liquid, under flow velocity comparatively stably, gas is the top in pipeline often; Along with flowing of liquid, when air containing fluid process gas exhaust piping, gas is subject to floating function by the vertical exhaust duct communicating with atmosphere, is expelled to outside dosing system; Therefore, enter and add after pump, in the liquid of required conveying, containing gas or gas content, do not greatly reduce, weakened the emptying phenomenon of pump, and the infringement to the pump housing; For the liquid that guarantees to carry flows stably, at discharge port, place is provided with ripple damper, and the pressure in absorption or supplementary out-feed liquid guarantees that flow rate of liquid is stable; Excessive when the pressure of discharge port, and while having surpassed safety value, safety valve starts, and discharges unnecessary liquid, guarantees that pressure in pipeline is in safety range; Back pressure valve and float flowmeter are for detection of the flow that adds pipeline.
The present invention compares with respect to prior art, has adopted simple and feasible method, has effectively removed and has carried the gas in liquid, has protected blade or the barrier film in the pump housing, has extended the working life that adds pump, makes fluid carry more stable and safety simultaneously.In addition, the present invention has avoided the emptying operation of pump frequently, and has simple installation, technique is simple and efficiency is high feature.
Accompanying drawing explanation
Fig. 1 is that the present invention solves gassiness or the device schematic diagram of easy aerogenesis liquid to pump infringement;
Fig. 2 is A portion (venting gas appliance) enlargement decomposition of Fig. 1.
Fig. 3 is the B portion enlarged view of Fig. 2.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention, should be understood that following examples are only not used in and limit the scope of the invention for the present invention is described.
The present embodiment is a kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, its structure as shown in Figure 1, comprise venting gas appliance 1, pump line road front end is being entered in position, metering adds pump 2 connecting tubes, pipeline is perpendicular to horizontal pipeline, and metering adds pump discharge port and connected successively ripple damper in parallel 3, safety valve 4, back pressure valve 5 and float flowmeter 6, and back pressure valve 5 is connected and adds pipeline with float flowmeter 6.
Fig. 2 is the enlargement decomposition of venting gas appliance in Fig. 1.Wherein, exhaust duct 7 is perpendicular to horizontal pipeline, and be neat seam bonding, after exhaust duct 7, it is angle feed pipe 8, angle feed pipe 8 is vertically assigned in horizontal pipe, its angle end, lower than gas-liquid interface following (angle feed pipe side view 3), prevents that the gas not draining from entering metering and adding pump 9.
The present embodiment a kind of solve for gassiness or easily aerogenesis liquid cause the working principle of the device that metering pump cannot normally use to be: when the fluid that contains gas when conveying or fluid easily produce gas in flow process, the gas producing is being discharged through outlet pipe 7 (Fig. 2).Because the proportion of gas is less than liquid, under flow velocity comparatively stably, gas is near the top of pipeline; Along with flowing of liquid, when air containing fluid process gas exhaust piping 7 (Fig. 2), gas is subject to floating function by the vertical exhaust duct communicating with atmosphere, is expelled to outside dosing system; Liquid is entered and is added pump by angle supply pipe 8; Now, enter into the liquid adding in pump, liquid wherein does not greatly reduce containing gas or gas content, has weakened the emptying phenomenon of pump, and the infringement to the pump housing; For the liquid that guarantees to carry flows stably, at discharge port, go out to be provided with ripple damper 3 (Fig. 1), the pressure in absorption or supplementary out-feed liquid, guarantees that flow rate of liquid is stable; Excessive when the pressure of discharge port, and while having surpassed safety value, safety valve 4 (Fig. 1) starts, and discharges unnecessary liquid, guarantees that pressure in pipeline is in safety range; Back pressure valve 5 and float flowmeter 6 (Fig. 1) are for detection of the flow that adds pipeline, and back pressure valve 5 is connected and adds pipeline with float flowmeter 6.
As mentioned above, this invention can realize gassiness or the infringement of the gas that easily aerogenesis liquid produces to pump preferably, and above-described embodiment is only preferred embodiment of the present invention, is not used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modify, all by the claims in the present invention scope required for protection, contained.
Claims (6)
- One kind solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, comprise the liquid pump on pump line that enters being arranged on perpendicular to feeding pipe, it is characterized in that: also comprise that venting gas appliance, venting gas appliance are arranged on the feeding pipe before liquid pump, outlet pipe communicates with atmosphere.
- According to claim 1 a kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, it is characterized in that: exhaust duct is perpendicular to horizontal feed pipeline.
- According to claim 1 a kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, it is characterized in that: venting gas appliance is the emptying pipe with certain altitude, and be furnished with manually operated valve.
- According to claim 1 a kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, it is characterized in that: enter pump line and assign on the feeding pipe in substantially horizontal.
- According to claim 1 a kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, it is characterized in that: the pipeline that connects liquid pump is a pipeline with angle, and is installed on the position below gas-liquid interface in horizontal feed pipeline.
- According to claim 1 a kind of solve gassiness or easily aerogenesis liquid cause the device that metering pump cannot normally be used, it is characterized in that: described liquid pump is that liquid adds pump; Outlet end is divided into three branch roads, and ripple damper, back pressure valve, float flowmeter and safety valve are installed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438507.5A CN104196711A (en) | 2014-08-31 | 2014-08-31 | Device for solving problem that metering pump cannot be used normally due to fact that liquid contains gas or is prone to generating gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410438507.5A CN104196711A (en) | 2014-08-31 | 2014-08-31 | Device for solving problem that metering pump cannot be used normally due to fact that liquid contains gas or is prone to generating gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104196711A true CN104196711A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410438507.5A Pending CN104196711A (en) | 2014-08-31 | 2014-08-31 | Device for solving problem that metering pump cannot be used normally due to fact that liquid contains gas or is prone to generating gas |
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| CN (1) | CN104196711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437980A (en) * | 2014-12-19 | 2015-03-25 | 深圳市轴心自控技术有限公司 | Dispensing feeding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2553288Y (en) * | 2002-06-19 | 2003-05-28 | 李克维 | Pipeline drainage device for solar water heater |
| CN1509199A (en) * | 2001-12-28 | 2004-06-30 | 株式会社小金井 | Chemical Supply device and method thereof |
| JP2005098183A (en) * | 2003-09-24 | 2005-04-14 | Kioritz Corp | Chemical liquid dilution and mixing device |
| CN1685156A (en) * | 2002-09-27 | 2005-10-19 | 脉动供料机股份有限公司 | Metering pump with gas removal device |
| JP2010121549A (en) * | 2008-11-20 | 2010-06-03 | Suiden Co Ltd | Reciprocating pump |
| CN202072534U (en) * | 2011-06-15 | 2011-12-14 | 北京市市政工程设计研究总院 | Movable type acid-alkali automatic adding device |
| CN202108724U (en) * | 2011-06-20 | 2012-01-11 | 武汉钢铁(集团)公司 | Exhaust device for oil absorption pipeline of oil pump |
-
2014
- 2014-08-31 CN CN201410438507.5A patent/CN104196711A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509199A (en) * | 2001-12-28 | 2004-06-30 | 株式会社小金井 | Chemical Supply device and method thereof |
| CN2553288Y (en) * | 2002-06-19 | 2003-05-28 | 李克维 | Pipeline drainage device for solar water heater |
| CN1685156A (en) * | 2002-09-27 | 2005-10-19 | 脉动供料机股份有限公司 | Metering pump with gas removal device |
| JP2005098183A (en) * | 2003-09-24 | 2005-04-14 | Kioritz Corp | Chemical liquid dilution and mixing device |
| JP2010121549A (en) * | 2008-11-20 | 2010-06-03 | Suiden Co Ltd | Reciprocating pump |
| CN202072534U (en) * | 2011-06-15 | 2011-12-14 | 北京市市政工程设计研究总院 | Movable type acid-alkali automatic adding device |
| CN202108724U (en) * | 2011-06-20 | 2012-01-11 | 武汉钢铁(集团)公司 | Exhaust device for oil absorption pipeline of oil pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437980A (en) * | 2014-12-19 | 2015-03-25 | 深圳市轴心自控技术有限公司 | Dispensing feeding system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Feng Inventor after: Wang Xiliang Inventor before: Chen Feng Inventor before: Wang Xiliang |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160323 Address after: 312363, Shangyu District, Zhejiang City, Shaoxing province Chapter town industrial functional areas Applicant after: ZHEJIANG TIANXINGJIAN WATER SERVICE CO., LTD. Address before: 310015, room 2002, Jamo building, 98 civic street, Qianjiang New Town, Hangzhou, Zhejiang, Jianggan District Applicant before: Hangzhou Tianjian Fluid Control Equipment Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141210 |
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| WD01 | Invention patent application deemed withdrawn after publication |