CN111981319A - Titanium dioxide suspension conveying system - Google Patents
Titanium dioxide suspension conveying system Download PDFInfo
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- CN111981319A CN111981319A CN202010659515.8A CN202010659515A CN111981319A CN 111981319 A CN111981319 A CN 111981319A CN 202010659515 A CN202010659515 A CN 202010659515A CN 111981319 A CN111981319 A CN 111981319A
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- material pipe
- diaphragm pump
- titanium dioxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/088—Pipe-line systems for liquids or viscous products for solids or suspensions of solids in liquids, e.g. slurries
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/20—Arrangements or systems of devices for influencing or altering dynamic characteristics of the systems, e.g. for damping pulsations caused by opening or closing of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/03—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of several different products following one another in the same conduit, e.g. for switching from one receiving tank to another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention relates to the technical field of chemical equipment, in particular to a titanium dioxide suspension conveying system which comprises a feed tank, a dissolving kettle and a diaphragm pump, wherein a slurry outlet is formed in the bottom of the feed tank, a slurry inlet is formed in the top of the dissolving kettle, the slurry outlet is communicated with a feed inlet of the diaphragm pump through a material suction pipe, and a discharge outlet of the diaphragm pump is communicated with the slurry inlet through a material discharge pipe. The one end that inhales the material pipe and being close to the feed tank sets up the bleeder valve, inhales the material pipe and sets up the pump inlet valve in the one end that is close to the diaphragm pump, arranges the material pipe and sets up the pump outlet valve in the one end that is close to the diaphragm pump, arranges the material pipe and sets up the feed valve in the one end that is close to the dissolving kettle, arranges and sets up the pulsation damper on the material pipe between pump outlet valve and feed valve, arranges and sets up mass flow meter on the material pipe between pulsation damper and feed valve. The conveying system can realize continuous conveying of titanium dioxide slurry under a small conveying flow, guarantees uniformity of the slurry, realizes quantitative conveying of the slurry, and is easy to overhaul and maintain.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a titanium dioxide suspension liquid conveying system.
Background
Titanium dioxide is a conventional additive for producing cigarette diacetate fiber tows, mainly plays a role in whitening and delustering, and when the titanium dioxide is used, 25 to 50 mass percent of titanium dioxide suspension slurry needs to be prepared and pumped into a dissolving kettle to be mixed with vinegar sheet slurry. In the conveying process, in order to ensure uniform distribution of titanium dioxide particles in the slurry and stable conveying of the slurry, a large conveying flow rate and an intermittent feeding mode, namely intermittent interruption of feeding and backflow, are generally adopted to ensure the feeding quality. However, this feeding mode may cause large fluctuations in the concentration of titanium dioxide in the slurry in the dissolution tank, resulting in more fly in the tow, and also significant differences in color and gloss, and also the corresponding piping system is prone to clogging and leakage at the three-way valve. Theoretically, the pipeline system is more prone to blockage when the slurry is conveyed at a small flow rate, so that no conveying system suitable for continuously and stably conveying the titanium dioxide suspension to the dissolving kettle under the condition of micro-conveying (20kg/h to 120kg/h) exists at present.
Disclosure of Invention
The invention mainly aims to provide a titanium dioxide suspension conveying system capable of realizing stable feeding under a small conveying flow rate.
In order to achieve the purpose, the invention provides a titanium dioxide suspension conveying system which comprises a feeding groove and a dissolving kettle, wherein a slurry outlet is formed in the bottom of the feeding groove, a slurry inlet is formed in the top of the dissolving kettle, and the titanium dioxide suspension conveying system is characterized by further comprising a diaphragm pump, wherein the slurry outlet is communicated with the feeding hole of the diaphragm pump through a material suction pipe, and the discharge hole of the diaphragm pump is communicated with the slurry inlet through a material discharge pipe. The one end that inhales the material pipe and being close to the feed tank sets up the bleeder valve, inhales the material pipe and sets up the pump inlet valve in the one end that is close to the diaphragm pump, arranges the material pipe and sets up the pump outlet valve in the one end that is close to the diaphragm pump, arranges the material pipe and sets up the feed valve in the one end that is close to the dissolving kettle, arranges and sets up the pulsation damper on the material pipe between pump outlet valve and feed valve, arranges and sets up mass flow meter on the material pipe between pulsation damper and feed valve.
According to the scheme, the diaphragm pump can convey high-viscosity fluid carrying solid particles, continuous conveying of titanium dioxide slurry can be achieved under the condition of small conveying flow, flow pulsation of the diaphragm pump can be eliminated through the pulsation damper, stable conveying and uniformity of the titanium dioxide slurry are guaranteed under the condition of small flow, and the mass flow meter is used for accurate metering of the titanium dioxide slurry and is beneficial to accurate control of the using amount of the titanium dioxide.
The further scheme is that the diaphragm pump is an air-operated diaphragm pump, the titanium dioxide suspension conveying system further comprises a power air pipe for communicating a compressed air source with an air inlet of the air-operated diaphragm pump, and a compressed air valve and an automatic regulating valve are arranged on the power air pipe.
It can be seen from above that, use a large amount of acetone solvents to prepare burden in view of dissolving the cauldron, use pneumatic diaphragm pump to help guaranteeing production safety as the delivery pump, compressed air valve and automatically regulated valve on the power trachea can realize compressed air's manual switching and automatically regulated in addition.
The titanium dioxide suspension conveying system further comprises an emptying pipe and a blowing air pipe communicated with a nitrogen gas source and a suction pipe, the end part of the blowing air pipe is provided with a nitrogen gas valve, a first check valve is arranged at the intersection of the blowing air pipe and the suction pipe, the first end of the emptying pipe is communicated with the lowest position of the suction pipe in the vertical direction, the first end of the emptying pipe is located between a discharge valve and a pump inlet valve, and the second end of the emptying pipe is provided with an emptying valve.
It is thus clear that can guarantee the operation safety of link of sweeping with the nitrogen gas of inertia as the sweep gas, the link of sweeping can effectively clear up the blockage of inhaling the material pipe different positions through switching exhaust-valve and bleeder valve, then can effectively clear up the blockage of arranging the material pipe different positions through switching pump inlet valve, pump outlet valve and feed valve, and first check valve can effectively prevent that thick liquids from flowing backward and block up the sweep gas pipe.
A further scheme is that a first hose section is arranged between a feed inlet of the diaphragm pump and an inlet valve of the pump on the material suction pipe, a second hose section is arranged between a discharge outlet of the diaphragm pump and an outlet valve of the pump on the material discharge pipe, the inner diameter of the first hose section is smaller than that of the material suction pipe, and the inner diameter of the second hose section is smaller than that of the material discharge pipe.
Therefore, the flow and pressure of the pipeline near the inlet and the outlet of the diaphragm pump usually change most severely, and the elastic hose joint is introduced at the inlet and the outlet of the diaphragm pump to play a certain buffering role, so that the impact of the flow and pressure change on the pipeline system is reduced.
The further proposal is that the pulsation damper is located at the maximum height position of the discharge pipe in the vertical direction, and a second check valve is arranged between the pump outlet valve and the pulsation damper on the discharge pipe.
Therefore, as the conveying system adopts a feeding mode of low inlet and high outlet, and certain water hammer hidden danger exists in the pipeline arrangement, the pulsation damper is arranged at the highest position of the pipeline, and the check valve is introduced, so that the pulsation damper and the diaphragm pump can be effectively protected.
The further scheme is that a section of transverse pipe joint lower than the pulsation damper is arranged between the pulsation damper and the feeding valve on the discharging pipe, one end of the transverse pipe joint close to the pulsation damper inclines upwards, and the inclination of the transverse pipe joint is more than 5%.
It is from top to bottom visible, because there is certain horizontal distance between diaphragm pump and the dissolution kettle, arrange the material pipe and need do horizontal extension, set one section to be less than the pulsation damper and possess the usable difference in height of the horizontal tube coupling of certain gradient and improve the kinetic energy of thick liquids in arranging the material part of horizontal extension in the pipe to guarantee that the velocity of flow of thick liquids in horizontal tube coupling prevents that the titanium dioxide granule from taking place the deposit and then initiating the jam in horizontal tube coupling.
The further scheme is that the height difference between the transverse pipe joint and the pulsation damper is 1m to 1.5m along the vertical direction, and the mass flowmeter is arranged on the transverse pipe joint.
Therefore, the site which is stable in flow speed and kept in a specific interval is generally selected in the pipeline system to serve as a measuring point to set the mass flow meter so as to ensure the measuring accuracy, and the transverse pipe joint which has the height difference with the pulsation damper and meets the specific requirement can control the flow speed of the slurry in a more ideal range, so that the mass flow meter is suitable for being arranged on the transverse pipe joint.
Drawings
FIG. 1 is a block diagram of an embodiment of a titanium dioxide suspension delivery system of the present invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
Referring to fig. 1, the titanium dioxide suspension conveying system provided by the invention comprises a feed tank 1 and a dissolving tank 2, wherein a slurry outlet 11 is arranged at the bottom of the feed tank 1, and a slurry inlet 21 is arranged at the top of the dissolving tank 2. The conveying system further comprises a diaphragm pump 3, a slurry outlet 11 is communicated with a feed inlet of the diaphragm pump 3 through a material suction pipe 4, and a discharge outlet of the diaphragm pump 3 is communicated with a slurry inlet 21 through a discharge pipe 5. The discharge valve 41 is arranged at one end of the suction pipe 4 close to the feeding groove 1, the pump inlet valve 42 is arranged at one end of the suction pipe 4 close to the diaphragm pump 3, the pump outlet valve 51 is arranged at one end of the discharge pipe 5 close to the diaphragm pump 3, the feed valve 52 is arranged at one end of the discharge pipe 5 close to the dissolving kettle 2, the pulsation damper 53 is arranged between the pump outlet valve 51 and the feed valve 52 on the discharge pipe 5, and the mass flow meter 54 is arranged between the pulsation damper 53 and the feed valve 52 on the discharge pipe 5.
Under less transport flow, only rely on feed tank 1 that possesses the stirring condition alright maintain the homogeneity of less reserves titanium dioxide suspension thick liquids stable, diaphragm pump 3 can carry the high viscosity fluid of carrying the solid matter granule, and can realize the continuous transportation of titanium dioxide thick liquids under less transport flow, the flow pulsation of diaphragm pump 3 can be eliminated to pulsation damper 53, guarantee stable transport and the homogeneity of titanium dioxide thick liquids under less flow, mass flow meter 54 is used for the accurate measurement of titanium dioxide thick liquids, help the quantity of accurate control titanium dioxide.
The diaphragm pump 3 is an air-operated diaphragm pump, the titanium dioxide suspension conveying system further comprises a power air pipe 6 for communicating a compressed air source with an air inlet of the air-operated diaphragm pump, a compressed air valve 61 and an automatic regulating valve 62 are arranged on the power air pipe 6, and the compressed air source is connected with the outer end of the power air pipe 6.
The pneumatic diaphragm pump utilizes compressed air which is a common industrial air source as power, the conveying flow of the pump can be changed by adjusting the air pressure of the compressed air, no spark, static electricity and electromagnetic interference are generated in the operation process, and the pneumatic diaphragm pump is suitable for being applied to inflammable and explosive environments. In view of the fact that the dissolving tank 2 uses a large amount of acetone solvent for batching, the pneumatic diaphragm pump is used as a conveying pump to help ensure production safety, and in addition, the compressed air valve 61 and the automatic regulating valve 62 on the power air pipe 6 can realize manual opening and closing and automatic regulation of compressed air. In the embodiment, the compressed air valve 61 is a ball valve, and the automatic regulating valve 62 is a pneumatic regulating valve which is safer to use than an electric regulating valve.
The titanium dioxide suspension conveying system further comprises an emptying pipe 7 and a purge gas pipe 8 communicated with a nitrogen gas source and the material suction pipe 4, a nitrogen gas valve 81 is arranged at the end part of the purge gas pipe 8, a first check valve 82 is arranged at the intersection of the purge gas pipe 8 and the material suction pipe 4, and the nitrogen gas source is connected to the outer end of the purge gas pipe 8. The first end of the emptying pipe 7 is communicated with the lowest position of the material suction pipe 4 in the vertical direction, the first end of the emptying pipe 7 is positioned between the discharge valve 41 and the pump inlet valve 42, and the second end of the emptying pipe 7 is provided with an emptying valve 71.
The operation safety of the purging link can be guaranteed by taking inert nitrogen as purging gas, the blockages at different positions of the material suction pipe 4 can be effectively cleared in the purging link through opening and closing the emptying valve 71 and the discharge valve 41, the blockages at different positions of the material discharge pipe 5 can be effectively cleared through opening and closing the pump inlet valve 42, the pump outlet valve 51 and the feed valve 52, and the first check valve 82 can effectively prevent slurry from flowing backwards to block the purging gas pipe 8.
A first hose section 43 is arranged on the material suction pipe 4 between the feeding hole of the diaphragm pump 3 and the pump inlet valve 42, a second hose section 55 is arranged on the material discharge pipe 5 between the discharging hole of the diaphragm pump 3 and the pump outlet valve 51, the inner diameter of the first hose section 43 is smaller than that of the material suction pipe 4, and the inner diameter of the second hose section 55 is smaller than that of the material discharge pipe 5.
Usually, the flow and pressure changes of the pipeline near the inlet and the outlet of the diaphragm pump 3 are the most violent, and the elastic hose joint is introduced at the inlet and the outlet of the diaphragm pump 3 to play a certain buffering role, so that the impact of the flow and pressure changes on the pipeline system is reduced.
In the vertical direction, pulsation damper 53 is located at the maximum height position of discharge pipe 5, and second check valve 56 is provided on discharge pipe 5 between pump outlet valve 51 and pulsation damper 53.
Because the conveying system adopts a low-in and high-out feeding mode, certain water hammer hidden danger exists in the pipeline arrangement, the pulsation damper 53 is arranged at the highest position of the pipeline, and the check valve is introduced, so that the pulsation damper 53 and the air film pump 3 can be effectively protected.
A transverse pipe joint 57 lower than the pulsation damper 53 is arranged on the discharge pipe 5 between the pulsation damper 53 and the feed valve 52, one end of the transverse pipe joint 57 close to the pulsation damper 53 is inclined upwards, and the inclination of the transverse pipe joint 57 is more than 5%.
Because there is certain horizontal distance between diaphragm pump 3 and the dissolving kettle 2, arrange the material pipe 5 and need make horizontal extension, arrange the part of horizontal extension in the material pipe 5 and set to one section and be less than pulsation damper 53 and possess the usable difference in height of horizontal tube coupling 57 of certain gradient and improve the kinetic energy of thick liquids to guarantee that the velocity of flow of thick liquids in horizontal tube coupling 57 prevents that the titanium dioxide granule from taking place the deposit and then initiating the jam in horizontal tube coupling 57.
The height difference between the lateral pipe joint 57 and the pulsation damper 53 in the vertical direction is 1m to 1.5m, and the mass flow meter 54 is mounted on the lateral pipe joint 57.
The point in the piping system where the flow rate is stable and kept within a specific range is generally selected as a measurement point to set the mass flow meter 54 to ensure the accuracy of measurement, and the lateral pipe joint 57 having a height difference with the pulsation damper 53 in accordance with a specific requirement can control the flow rate of the slurry within a more desirable range, and is therefore suitable for installing the mass flow meter 54 thereon.
In the embodiment, a transparent polytetrafluoroethylene hose with the inner diameter of 10mm is adopted to manufacture the first hose section 43 and the second hose section 45, the suction pipe 4 and the discharge pipe 5 are both 304 stainless steel pipes of DN15, and the stainless steel pipe sections are connected by flanges.
The adjustment range of the air pressure value of the compressed air delivered by the power air pipe 6 is recommended to be controlled to be 1.5kg/cm2To 4kg/cm2. Specifically, when the required flow rate of the slurry is 20kg/h to 30kg/h, the air pressure of the compressed air can be adjusted to 2kg/cm by the automatic adjusting valve 622While adjusting the opening of the pump inlet valve 42 to maintain a steady flow; when the required slurry flow is 30kg/h to 80kg/h, the air pressure of the compressed air can be adjusted to 2kg/cm by the automatic adjusting valve 622To 2.5kg/cm2Meanwhile, the opening degree of the pump inlet valve 42 is adjusted to control the slurry flow to be higher than the required value by about 5 kg/h; when the flow rate of the required slurry is more than 80kg/h, the flow rate can be 2.5kg/cm2Further increase the pressure of the compressed air.
Claims (7)
1. The utility model provides a titanium dioxide suspension conveying system, includes the feed tank and dissolves the cauldron, the feed tank bottom is equipped with out the thick liquid mouth, it is equipped with into thick liquid mouth, its characterized in that to dissolve the cauldron top:
still include the diaphragm pump, go out the thick liquid mouth with the diaphragm pump feed inlet is through inhaling material pipe intercommunication, the diaphragm pump discharge gate with advance the thick liquid mouth through arranging material pipe intercommunication, it is being close to inhale the material pipe the one end of feed tank sets up the bleeder valve, it is being close to inhale the material pipe the one end of diaphragm pump sets up the pump inlet valve, it is being close to arrange the material pipe the one end of diaphragm pump sets up the pump outlet valve, it is being close to arrange the material pipe the one end of dissolving the cauldron sets up the feed valve, arrange on the material pipe pump outlet valve with set up the pulsation damper between the feed valve, arrange on the material pipe the pulsation damper with set up mass flow meter between the feed valve.
2. The titanium dioxide suspension delivery system according to claim 1, wherein:
the titanium dioxide suspension conveying system comprises a titanium dioxide suspension conveying system, a diaphragm pump, a compressed air source, a power air pipe and an automatic adjusting valve, wherein the diaphragm pump is an air-operated diaphragm pump, the power air pipe is communicated with the compressed air source and an air inlet of the air-operated diaphragm pump, and the power air pipe is provided with the compressed air valve and the automatic adjusting valve.
3. The titanium dioxide suspension delivery system according to claim 1, wherein:
still include the evacuation pipe and communicate the nitrogen gas air supply with inhale the purge pipe of material pipe, purge pipe tip is equipped with the nitrogen gas valve, on the purge pipe with inhale material pipe junction and set up first check valve, the first end of evacuation pipe with inhale the ascending minimum intercommunication in the vertical side of material pipe, and the first end of evacuation pipe is located the bleeder valve with between the pump inlet valve, evacuation pipe second end is equipped with the blowoff valve.
4. The titanium dioxide suspension delivery system according to claim 1, wherein:
inhale on the material pipe the diaphragm pump feed inlet with set up first hose coupling between the pump inlet valve, arrange on the material pipe diaphragm pump discharge gate with set up the second hose coupling between the pump outlet valve, the internal diameter of first hose coupling is less than inhale the internal diameter of material pipe, the internal diameter of second hose coupling is less than arrange the internal diameter of material pipe.
5. The titanium dioxide suspension delivery system according to any one of claims 1 to 4, wherein:
along vertical direction, the pulsation damper is located the maximum height position of row material pipe, arrange on the material pipe in the pump outlet valve with set up the second check valve between the pulsation damper.
6. The titanium dioxide suspension delivery system according to claim 5, wherein:
the discharge pipe is provided with a section of transverse pipe joint which is lower than the pulsation damper and arranged between the pulsation damper and the feeding valve, one end of the transverse pipe joint close to the pulsation damper inclines upwards, and the inclination of the transverse pipe joint is more than 5%.
7. The titanium dioxide suspension delivery system according to claim 6, wherein:
along the vertical direction, the height difference between the transverse pipe joint and the pulsation damper is 1m to 1.5m, and the mass flowmeter is mounted on the transverse pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659515.8A CN111981319A (en) | 2020-07-10 | 2020-07-10 | Titanium dioxide suspension conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010659515.8A CN111981319A (en) | 2020-07-10 | 2020-07-10 | Titanium dioxide suspension conveying system |
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| CN111981319A true CN111981319A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010659515.8A Pending CN111981319A (en) | 2020-07-10 | 2020-07-10 | Titanium dioxide suspension conveying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076258A (en) * | 2021-11-18 | 2022-02-22 | 湘潭大学 | Material slurry conveying pipeline deceleration energy dissipation regulating system |
| CN115382234A (en) * | 2022-07-15 | 2022-11-25 | 青海黄河上游水电开发有限责任公司新能源分公司 | Chlorination low pressure rectification discharge system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1278376A (en) * | 1969-07-30 | 1972-06-21 | Guiot Sa Ets | Improvements in diaphragm pumps with a pulsation-damping device |
| CN1256241A (en) * | 1998-09-22 | 2000-06-14 | 液体空气乔治洛德方法利用和研究有限公司 | Method and system for distributing liquid chemicals |
| CN202755629U (en) * | 2012-07-30 | 2013-02-27 | 吴少周 | Pneumatic lightweight multifunctional mortar spraying machine |
| CN202769096U (en) * | 2012-09-13 | 2013-03-06 | 烟台蓝海机械制造有限公司 | Hose capable of eliminating pulsation |
| CN203584751U (en) * | 2013-11-22 | 2014-05-07 | 重庆奥源动力机械有限公司 | Pneumatic diaphragm pump with shock attenuation device |
| CN104976110A (en) * | 2015-07-15 | 2015-10-14 | 江苏海狮泵业制造有限公司 | Testing device of pneumatic double-diaphragm pump |
| CN205738909U (en) * | 2016-05-31 | 2016-11-30 | 席海涛 | Mineral water filters storage and pressure conveyer device |
| CN206988090U (en) * | 2017-07-14 | 2018-02-09 | 中新苏州工业园区环保技术有限公司 | Membrane pump damping device |
| DE102017126357A1 (en) * | 2017-11-10 | 2019-05-16 | Mhwirth Gmbh | Pulsationsdämpfungssystem |
| CN210097479U (en) * | 2019-04-30 | 2020-02-21 | 杭州南方赛珀工业设备有限公司 | Pneumatic medicine adding device |
-
2020
- 2020-07-10 CN CN202010659515.8A patent/CN111981319A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1278376A (en) * | 1969-07-30 | 1972-06-21 | Guiot Sa Ets | Improvements in diaphragm pumps with a pulsation-damping device |
| CN1256241A (en) * | 1998-09-22 | 2000-06-14 | 液体空气乔治洛德方法利用和研究有限公司 | Method and system for distributing liquid chemicals |
| CN202755629U (en) * | 2012-07-30 | 2013-02-27 | 吴少周 | Pneumatic lightweight multifunctional mortar spraying machine |
| CN202769096U (en) * | 2012-09-13 | 2013-03-06 | 烟台蓝海机械制造有限公司 | Hose capable of eliminating pulsation |
| CN203584751U (en) * | 2013-11-22 | 2014-05-07 | 重庆奥源动力机械有限公司 | Pneumatic diaphragm pump with shock attenuation device |
| CN104976110A (en) * | 2015-07-15 | 2015-10-14 | 江苏海狮泵业制造有限公司 | Testing device of pneumatic double-diaphragm pump |
| CN205738909U (en) * | 2016-05-31 | 2016-11-30 | 席海涛 | Mineral water filters storage and pressure conveyer device |
| CN206988090U (en) * | 2017-07-14 | 2018-02-09 | 中新苏州工业园区环保技术有限公司 | Membrane pump damping device |
| DE102017126357A1 (en) * | 2017-11-10 | 2019-05-16 | Mhwirth Gmbh | Pulsationsdämpfungssystem |
| CN210097479U (en) * | 2019-04-30 | 2020-02-21 | 杭州南方赛珀工业设备有限公司 | Pneumatic medicine adding device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076258A (en) * | 2021-11-18 | 2022-02-22 | 湘潭大学 | Material slurry conveying pipeline deceleration energy dissipation regulating system |
| CN115382234A (en) * | 2022-07-15 | 2022-11-25 | 青海黄河上游水电开发有限责任公司新能源分公司 | Chlorination low pressure rectification discharge system |
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Application publication date: 20201124 |