CN105478025B - A jet stirring dosing device - Google Patents
A jet stirring dosing device Download PDFInfo
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- CN105478025B CN105478025B CN201510950695.4A CN201510950695A CN105478025B CN 105478025 B CN105478025 B CN 105478025B CN 201510950695 A CN201510950695 A CN 201510950695A CN 105478025 B CN105478025 B CN 105478025B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/27—Mixing by jetting components into a conduit for agitating its contents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/20—Dissolving using flow mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/30—Workflow diagrams or layout of plants, e.g. flow charts; Details of workflow diagrams or layout of plants, e.g. controlling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
- B01F25/28—Jet mixers, i.e. mixers using high-speed fluid streams characterised by the specific design of the jet injector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/712—Feed mechanisms for feeding fluids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/716—Feed mechanisms characterised by the relative arrangement of the containers for feeding or mixing the components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/7176—Feed mechanisms characterised by the means for feeding the components to the mixer using pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/305—Treatment of water, waste water or sewage
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- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
Abstract
Description
技术领域technical field
本发明涉及一种射流搅拌加药装置，属于一种配药、加药装置，可广泛应用于水处理、化工、石油等需要添加药剂的行业领域。The invention relates to a jet agitation dosing device, which belongs to a medicine dispensing and dosing device, and can be widely used in water treatment, chemical industry, petroleum and other industries that require dosing.
背景技术Background technique
近年来，各种加药装置已广泛应用于各个需要加药的行业领域，特别在水处理行业，加药装置更是必不可少。常见的加药装置主要采用减速机依靠搅拌桨进行搅拌，投加方式多采用人工投加。由于采用机械搅拌人工投药口设置在设备上方，人工投药困难，如投加药剂属于危险化学品还易造成工人受伤。另外一些固体粉末的难溶物质需要缓慢的投加并快速搅拌，人工操作复杂且效果不佳。且该类加药装置不能提高溶剂温度，如需升温还需另外加入加热设备。In recent years, various dosing devices have been widely used in various industries that require dosing, especially in the water treatment industry, dosing devices are essential. The common dosing device mainly uses a reducer to rely on the stirring paddle for stirring, and the dosing method mostly adopts manual dosing. Due to the use of mechanical agitation, the manual dosing port is set on the top of the equipment, which makes manual dosing difficult. If the dosing is a dangerous chemical, it is easy to cause injury to the workers. In addition, some insoluble substances of solid powder need to be added slowly and stirred quickly, and the manual operation is complicated and the effect is not good. And this type of dosing device cannot increase the temperature of the solvent, and additional heating equipment needs to be added if the temperature needs to be raised.
发明内容Contents of the invention
为了解决现有加药装置混药效果不佳，加药速率不可控的问题，本发明提供一种射流搅拌加药装置，提高了混药效果，提高了操作便捷度，降低了人工操作的危险性。实现了加药装置的自动投加且速率可控，低温环境仍可操作。In order to solve the problems of poor mixing effect and uncontrollable dosing rate of the existing dosing device, the present invention provides a jet stirring dosing device, which improves the mixing effect, improves the convenience of operation, and reduces the risk of manual operation sex. The automatic dosing of the dosing device is realized and the rate is controllable, and the low temperature environment can still be operated.
本发明为解决其技术问题所采用的技术方案是：The technical scheme that the present invention adopts for solving its technical problem is:
一种射流搅拌加药装置，包括混药槽、离心泵、射流器和储药槽；混药槽的出水口通过离心泵进口阀与离心泵进口相连，离心泵的排水口通过阀门分别与射流器的射流器进口阀和储药槽的转药阀相连；射流器的进气口为射流器进药口，射流器的出水口与混药槽回流口相连；所述的混药槽内设有折流板，混药槽槽底设有混药槽排污口，混药槽槽顶部设有混药槽补水口；混药槽补水口通过混药槽自来水补给阀连接有自来水管；储药槽下端出液口通过阀门连接有加药计量泵，加药计量泵的上方入口通过加药调节阀连接有加药口；加药计量泵入口还通过加药回流阀管道与储药槽上端储药槽回流口相连；所述储药槽具有储药槽排污口和储药槽补水口。A jet mixing and dosing device, comprising a drug mixing tank, a centrifugal pump, an ejector and a drug storage tank; the outlet of the drug mixing tank is connected to the inlet of the centrifugal pump through the inlet valve of the centrifugal pump, and the outlet of the centrifugal pump is respectively connected to the jet through the valve. The injector inlet valve of the ejector is connected with the drug transfer valve of the drug storage tank; the air inlet of the ejector is the injector drug inlet, and the water outlet of the ejector is connected with the return port of the drug mixing tank; There is a baffle plate, the bottom of the mixing tank is provided with a sewage outlet of the mixing tank, and the top of the mixing tank is provided with a water supply port of the mixing tank; the water supply port of the mixing tank is connected to a water pipe through the tap water supply valve of the mixing tank; The liquid outlet at the lower end of the tank is connected to the dosing metering pump through the valve, and the upper inlet of the dosing metering pump is connected to the dosing port through the dosing regulating valve; The medicine tank is connected to the return port; the medicine storage tank has a medicine storage tank sewage outlet and a medicine storage tank water replenishment port.
所述射流器自动投加口直接连接软管。The automatic feeding port of the ejector is directly connected with the hose.
所述射流器自动投加口直接连接加药斗。The automatic feeding port of the ejector is directly connected with the medicine feeding hopper.
所述混药槽和储药槽均设有液位计。Both the medicine mixing tank and the medicine storage tank are provided with liquid level gauges.
液位计为磁翻板液位计或电子液位计。The liquid level gauge is a magnetic flap liquid level gauge or an electronic liquid level gauge.
所述折流板垂直设置在混药槽内，折流板为多个。The baffles are vertically arranged in the drug mixing tank, and there are multiple baffles.
所述储药槽补水口通过储药槽自来水补给阀与自来水管连通。The water supply port of the medicine storage tank communicates with the tap water pipe through the tap water supply valve of the medicine storage tank.
所述储药槽排污口与储药槽之间设置有储药槽排污阀。A medicine storage tank drain valve is arranged between the medicine storage tank sewage outlet and the medicine storage tank.
所述混药槽与混药槽排污口之间设置有混药槽排污阀。A drug mixing tank drain valve is arranged between the drug mixing tank and the drain outlet of the drug mixing tank.
所述加药口与加药调节阀之间设置有流量计。A flow meter is arranged between the medicine adding port and the medicine adding regulating valve.
本发明的有益效果为：The beneficial effects of the present invention are:
（1）本发明采用射流混合与水力回流搅拌代替传统的机械搅拌桨搅拌，混合速率更快更均匀，并且补充了自动加药及加热两项实用功能；(1) The present invention adopts jet mixing and hydraulic reflux stirring instead of traditional mechanical paddle stirring, the mixing rate is faster and more uniform, and two practical functions of automatic dosing and heating are supplemented;
（2）本发明改变了人工投药的操作方式，降低人力投入及操作风险，更便捷安全；(2) The present invention changes the operation mode of manual dosing, reduces manpower input and operation risks, and is more convenient and safe;
（3）本发明通过离心泵射流器的回流做功，能够有效提升混药槽中溶剂温度，能够在低温环境下使用；(3) The present invention can effectively increase the temperature of the solvent in the mixing tank through the reflux of the centrifugal pump ejector, and can be used in a low temperature environment;
（4）本发明自动投药速率可控，对于难溶性的药剂更够更有效的与水或其他溶剂混合，保证溶解的充分性。(4) The automatic dosing rate of the present invention is controllable, and it is more effective to mix insoluble medicines with water or other solvents to ensure the sufficiency of dissolution.
以下将结合附图进行详细的说明。A detailed description will be given below in conjunction with the accompanying drawings.
附图说明Description of drawings
图1为本发明的总体结构图。Fig. 1 is the general structural diagram of the present invention.
图2为本发明的侧面图。Figure 2 is a side view of the present invention.
图3为本发明固体药剂投加结构图。Fig. 3 is a structural diagram of solid medicament dosing in the present invention.
图中，附图标记：1-流量计；2-加药调节阀；3-加药回流阀；4-加药计量泵；5-计量泵进口阀；6-转药阀；7-离心泵；8-离心泵进口阀；9-射流器进口阀；10-射流器；11-混药槽排污阀；12-混药槽自来水补给阀；13-储药槽自来水补给阀；14-储药槽排污阀；15-混药槽折流板；16-射流器回流口；17-混药槽补水口；18-储药槽补水口；19-储药槽回流口；20-混药槽排污口；21-自来水接口；22-储药槽排污口；23-加药口；24-射流器进药控制阀；25-射流器进药口；26-固体加药斗；27-加药斗调节阀；28-储药槽；29-混药槽。In the figure, reference signs: 1-flow meter; 2-dosing regulating valve; 3-dosing return valve; 4-dosing metering pump; 5-metering pump inlet valve; 6-dosing transfer valve; 7-centrifugal pump ;8-Centrifugal pump inlet valve; 9-Ejector inlet valve; 10-Ejector; 11-Drug mixing tank drain valve; 12-Drug mixing tank tap water replenishment valve; 13-Drug storage tank tap water replenishment valve; Tank drain valve; 15-drug mixing tank baffle; 16-jet return port; 17-mixing tank water supply port; 18-medicine storage tank water supply port; 19-medicine storage tank return port; 20-drug mixing tank sewage 21-Tap water interface; 22-Medicine storage tank sewage outlet; 23-Dosing port; 24-Ejector medicine inlet control valve; 25-Ejector medicine inlet; 26-Solid medicine hopper; 27-Dosage hopper Regulating valve; 28-drug storage tank; 29-drug mixing tank.
具体实施方式Detailed ways
实施例1：Example 1:
为了解决现有加药装置混药效果不佳，加药速率不可控的问题，本发明提供如图1、图2、图3所示的一种射流搅拌加药装置，提高了混药效果，提高了操作便捷度，降低了人工操作的危险性。实现了加药装置的自动投加且速率可控，低温环境仍可操作。In order to solve the problem of poor drug mixing effect and uncontrollable drug dosing rate in existing drug dosing devices, the present invention provides a jet agitation drug dosing device as shown in Figure 1, Figure 2, and Figure 3, which improves the drug mixing effect, The convenience of operation is improved, and the danger of manual operation is reduced. The automatic dosing of the dosing device is realized and the rate is controllable, and the low temperature environment can still be operated.
一种射流搅拌加药装置，一种射流搅拌加药装置，包括混药槽29、离心泵7、射流器10和储药槽28；混药槽29的出水口通过离心泵进口阀8与离心泵7进口相连，离心泵7的排水口通过阀门分别与射流器10的射流器进口阀9和储药槽28的转药阀6相连；射流器10的进气口为射流器进药口25，射流器10的出水口与混药槽回流口16相连；所述的混药槽29内设有折流板15，混药槽29槽底设有混药槽排污口20，混药槽29槽顶部设有混药槽补水口17；混药槽补水口17通过混药槽自来水补给阀12连接有自来水管21；储药槽28下端出液口通过阀门5连接有加药计量泵4，加药计量泵4的上方入口通过加药调节阀2连接有加药口23；加药计量泵4入口还通过加药回流阀3管道与储药槽28上端储药槽回流口19相连；所述储药槽28具有储药槽排污口22和储药槽补水口18。A jet agitation dosing device, a jet agitation dosing device, comprising a drug mixing tank 29, a centrifugal pump 7, a jet device 10 and a drug storage tank 28; the outlet of the drug mixing tank 29 is connected to the centrifugal pump inlet valve 8 The inlet of the pump 7 is connected, and the discharge port of the centrifugal pump 7 is connected with the injector inlet valve 9 of the injector 10 and the drug transfer valve 6 of the drug storage tank 28 respectively through valves; the air inlet of the injector 10 is the injector drug inlet 25 , the water outlet of the ejector 10 links to each other with the return port 16 of the drug mixing tank; the baffle plate 15 is arranged in the drug mixing tank 29, and the bottom of the drug mixing tank 29 is provided with the sewage outlet 20 of the drug mixing tank, and the drug mixing tank 29 The top of the tank is provided with a water supply port 17 of the mixing tank; the water supply port 17 of the mixing tank is connected with a tap water pipe 21 through the tap water supply valve 12 of the mixing tank; The upper inlet of the dosing metering pump 4 is connected with the dosing port 23 through the dosing regulating valve 2; the inlet of the dosing metering pump 4 is also connected with the medicine storage tank return port 19 at the upper end of the medicine storage tank 28 through the medicine dosing return valve 3 pipeline; The medicine storage tank 28 has a medicine storage tank sewage outlet 22 and a medicine storage tank water supply port 18 .
结合图1、2、3，本发明提供了一种射流搅拌加药装置，该设备包括了混药槽29和储药槽28；上述混药槽的出水口与离心泵7进口相连，离心泵的排水口通过阀门分别与射流器的进水口9和上述储药槽的转液口6相连；所述的射流器的进气口为药剂自动投加口25，射流器的出水口与混药槽回流口16相连；所述的混药槽29内具有折流板15，槽底设有混药槽排污口20，槽顶部设有混药槽补水口17；所述的混药槽补水口17通过混药槽自来水补给阀12与自来水管21相连；储药槽下端出液口通过阀门5与加药计量泵4相连，加药计量泵4入口设有回流2和加药3两条管线；上述回流管线指加药计量泵4出口通过阀门3管道与储药槽上端19相连，形成回流；所述加药计量泵4出口加药管线设有调节阀2和流量计1；所述储药槽28具有储药槽排污口22和储药槽补水口18。In conjunction with Fig. 1, 2, 3, the present invention provides a kind of jet agitation dosing device, and this equipment has included mixing tank 29 and storage tank 28; The water outlet of above-mentioned mixing tank is connected with centrifugal pump 7 inlets, and centrifugal pump The outlet of the jet is connected to the water inlet 9 of the ejector and the liquid transfer port 6 of the above-mentioned medicine storage tank respectively through a valve; The tank return port 16 is connected; the mixed drug tank 29 has a baffle plate 15, the bottom of the tank is provided with a mixed drug tank sewage outlet 20, and the top of the tank is provided with a mixed drug tank replenishment port 17; 17 is connected to the tap water pipe 21 through the tap water supply valve 12 of the mixing tank; the liquid outlet at the lower end of the drug storage tank is connected to the dosing metering pump 4 through the valve 5, and the inlet of the dosing metering pump 4 is provided with two pipelines of return flow 2 and dosing 3 The above-mentioned backflow pipeline refers to that the 4 outlets of the dosing metering pump are connected to the upper end 19 of the medicine storage tank through the valve 3 pipeline to form a backflow; the dosing pipeline at the 4 outlets of the dosing metering pump is provided with a regulating valve 2 and a flow meter 1; The medicine tank 28 has a medicine storage tank sewage outlet 22 and a medicine storage tank water replenishment port 18 .
本发明采用射流搅拌，利用射流器的特性，实现混合和自动加药，即可自动投加液体药剂也可投加固体药剂，且投加速度可控，操作便捷安全，药剂混合效果佳。本发明能通过机械射流提高药剂溶液温度，有利于低温环境操作。The invention adopts jet agitation and utilizes the characteristics of the jet to realize mixing and automatic dosing, which can automatically add liquid medicine or solid medicine, and the dosing speed is controllable, the operation is convenient and safe, and the medicine mixing effect is good. The invention can increase the temperature of the medicament solution through the mechanical jet, which is beneficial to the operation in a low-temperature environment.
利用本发明加药的步骤为：Utilize the step of adding medicine of the present invention to be:
（1）关闭转药阀6、混药槽排污11，开启混药槽自来水补给阀12补充自来水到药剂配制需求量，停止补水，关混药槽自来水补给阀12；(1) Close the drug transfer valve 6, the sewage of the mixing tank 11, open the tap water supply valve 12 of the mixing tank to replenish the tap water to the demand for drug preparation, stop the water replenishment, and close the tap water supply valve 12 of the mixing tank;
（2）投加液药剂时：开启离心泵进口阀8、射流器进口阀9和射流器进药控制阀24，启动混药槽回流离心泵7，通过与射流器进药口25相连的吸液管将液体药剂自动吸入射流器中，完成混合；当药剂属于难溶物质时，可在药剂投加完成后关闭射流器进药口25，继续让离心泵回流，直至药剂完全混合溶解，完成混合；(2) When adding liquid medicine: open the inlet valve 8 of the centrifugal pump, the inlet valve 9 of the ejector and the drug feeding control valve 24 of the ejector, start the return centrifugal pump 7 of the mixing tank, and pass through the suction valve connected to the drug inlet 25 of the ejector. The liquid pipe automatically sucks the liquid medicine into the ejector to complete the mixing; when the medicine is an insoluble substance, the medicine inlet 25 of the jet can be closed after the medicine dosing is completed, and the centrifugal pump continues to flow back until the medicine is completely mixed and dissolved to complete the mixing process. mix;
投加固体药剂时（图3）：关闭加药斗调节阀27，向加药斗26中倒入配制药剂需求量的固体药剂，开启离心泵进口阀8，启动混药槽回流离心泵7，然后缓慢开启加药斗调节阀27，将药剂送入射流器中，若药剂难易溶解则将加药斗调节阀27开小，减慢加药速度；若药剂易溶，则适当开大，提高混合速率；完全混合后；When dosing solid medicine (Figure 3): close the regulating valve 27 of the dosing hopper, pour the required amount of solid medicine into the dosing hopper 26, open the inlet valve 8 of the centrifugal pump, start the centrifugal pump 7 for returning the medicine mixing tank, Then slowly open the medicine adding hopper regulating valve 27, the medicament is sent in the ejector, if the medicament is difficult to dissolve, then the medicine adding hopper regulating valve 27 is opened to slow down the dosing speed; Increase the mixing rate; after mixing completely;
（3）完全混合后，关闭储药槽排污阀14，,开启转药阀6，在关闭射流器进口阀9，将溶解配制好的药剂转入储药槽；混合槽药剂完全转入储药槽后，停离心泵7，混药槽进入备用状态，可继续重复上述（1）、（2）步骤配制药剂，实现连续配药；(3) After complete mixing, close the drain valve 14 of the medicine storage tank, open the medicine transfer valve 6, close the injector inlet valve 9, transfer the dissolved and prepared medicine into the medicine storage tank; the medicine in the mixing tank is completely transferred into the medicine storage After the tank, the centrifugal pump 7 is stopped, and the drug mixing tank enters the standby state, and the above steps (1) and (2) can be repeated to prepare the drug to realize continuous drug dispensing;
配制完成的药剂转入储药槽后，可开始进行加药操作；加药时，开启计量泵进口阀5、加药调节阀2、加药回流阀3，根据所需的流量调节加药回流阀3，直至达到合适流量；加药完成后，停计量泵，关闭加药调节阀2，完成加药。After the prepared medicine is transferred into the medicine storage tank, the dosing operation can be started; when dosing, open the metering pump inlet valve 5, the dosing regulating valve 2, and the dosing return valve 3, and adjust the dosing backflow according to the required flow rate Valve 3, until the proper flow rate is reached; after the dosing is completed, stop the metering pump, close the dosing regulating valve 2, and complete the dosing.
实施例2：Example 2:
基于实施例1的基础上，本实施例中所述射流器自动投加口25可以直接连接软管，用于自动投加液体类药剂；所述射流器自动投加口可以连接加药斗26，用于自动投加固体类药剂。Based on the basis of Embodiment 1, the automatic injection port 25 of the ejector in this embodiment can be directly connected to a hose for automatic dosing of liquid medicine; the automatic injection port of the ejector can be connected to a hopper 26 , for automatic dosing of solid medicine.
所述混药槽29和储药槽28均设有液位计。液位计为磁翻板液位计或电子液位计。Both the drug mixing tank 29 and the drug storage tank 28 are provided with liquid level gauges. The liquid level gauge is a magnetic flap liquid level gauge or an electronic liquid level gauge.
所述折流板15垂直设置在混药槽29内，折流板15为多个。The baffles 15 are vertically arranged in the drug mixing tank 29, and there are multiple baffles 15.
所述储药槽补水口18通过储药槽自来水补给阀13与自来水管21连通。所述储药槽排污口22与储药槽28之间设置有储药槽排污阀14。所述混药槽29与混药槽排污口20之间设置有混药槽排污阀11。所述加药口23与加药调节阀2之间设置有流量计1。The water replenishment port 18 of the medicine storage tank communicates with the tap water pipe 21 through the tap water replenishment valve 13 of the medicine storage tank. A medicine storage tank drain valve 14 is arranged between the medicine storage tank drain outlet 22 and the medicine storage tank 28 . A drug mixing tank drain valve 11 is arranged between the drug mixing tank 29 and the drug mixing tank drain outlet 20 . A flow meter 1 is arranged between the medicine adding port 23 and the medicine adding regulating valve 2 .
利用本发明加药的步骤为：Utilize the step of adding medicine of the present invention to be:
（4）关闭转药阀6、混药槽排污11，开启混药槽自来水补给阀12补充自来水到药剂配制需求量，停止补水，关混药槽自来水补给阀12；(4) Close the drug transfer valve 6, the sewage of the mixing tank 11, open the tap water supply valve 12 of the mixing tank to replenish the tap water to the demand for drug preparation, stop the water replenishment, and close the tap water supply valve 12 of the mixing tank;
（5）投加液药剂时：开启离心泵进口阀8、射流器进口阀9和射流器进药控制阀24，启动混药槽回流离心泵7，通过与射流器进药口25相连的吸液管将液体药剂自动吸入射流器中，完成混合；当药剂属于难溶物质时，可在药剂投加完成后关闭射流器进药口25，继续让离心泵回流，直至药剂完全混合溶解，完成混合；(5) When adding liquid medicine: open the inlet valve 8 of the centrifugal pump, the inlet valve 9 of the ejector and the drug feeding control valve 24 of the ejector, start the return centrifugal pump 7 of the mixing tank, and pass through the suction valve connected to the drug inlet 25 of the ejector. The liquid pipe automatically sucks the liquid medicine into the ejector to complete the mixing; when the medicine is an insoluble substance, the medicine inlet 25 of the jet can be closed after the medicine dosing is completed, and the centrifugal pump continues to flow back until the medicine is completely mixed and dissolved to complete the mixing process. mix;
投加固体药剂时（图3）：关闭加药斗调节阀27，向加药斗26中倒入配制药剂需求量的固体药剂，开启离心泵进口阀8，启动混药槽回流离心泵7，然后缓慢开启加药斗调节阀27，将药剂送入射流器中，若药剂难易溶解则将加药斗调节阀27开小，减慢加药速度；若药剂易溶，则适当开大，提高混合速率；完全混合后；When dosing solid medicine (Figure 3): close the regulating valve 27 of the dosing hopper, pour the required amount of solid medicine into the dosing hopper 26, open the inlet valve 8 of the centrifugal pump, start the centrifugal pump 7 for returning the medicine mixing tank, Then slowly open the medicine adding hopper regulating valve 27, the medicament is sent in the ejector, if the medicament is difficult to dissolve, then the medicine adding hopper regulating valve 27 is opened to slow down the dosing speed; Increase the mixing rate; after mixing completely;
（6）完全混合后，关闭储药槽排污阀14，,开启转药阀6，在关闭射流器进口阀9，将溶解配制好的药剂转入储药槽；混合槽药剂完全转入储药槽后，停离心泵7，混药槽进入备用状态，可继续重复上述（1）、（2）步骤配制药剂，实现连续配药；(6) After complete mixing, close the drain valve 14 of the medicine storage tank, open the medicine transfer valve 6, close the injector inlet valve 9, and transfer the dissolved and prepared medicine into the medicine storage tank; the medicine in the mixing tank is completely transferred into the medicine storage After the tank, the centrifugal pump 7 is stopped, and the drug mixing tank enters the standby state, and the above steps (1) and (2) can be repeated to prepare the drug to realize continuous drug dispensing;
（7）配制完成的药剂转入储药槽后，可开始进行加药操作；加药时，开启计量泵进口阀5、加药调节阀2、加药回流阀3，根据所需的流量调节加药回流阀3，直至达到合适流量；加药完成后，停计量泵，关闭加药调节阀2，完成加药。(7) After the prepared medicine is transferred into the medicine storage tank, the dosing operation can be started; when dosing, open the metering pump inlet valve 5, dosing regulating valve 2, dosing return valve 3, and adjust according to the required flow rate Dosing reflux valve 3 until the proper flow rate is reached; after the dosing is completed, stop the metering pump and close the dosing control valve 2 to complete the dosing.
Claims (9)
- A kind of 1. jet mixing chemicals dosing plant, it is characterised in that：Including mixing drug slot（29）, centrifugal pump（7）, ejector（10）And storage Drug slot（28）；Mixed drug slot（29）Delivery port pass through centrifugal pump inlet valve（8）With centrifugal pump（7）Import is connected, centrifugal pump（7）'s Discharge outlet by valve respectively with ejector（10）Ejector inlet valve（9）And medicine storage tank（28）Turn medicine valve（6）It is connected；Penetrate Flow device（10）Air inlet be ejector feeding opening（25）, ejector（10）Delivery port and mixed drug slot refluxing opening（16）It is connected； Described mixed drug slot（29）It is interior to be provided with deflection plate（15）, mix drug slot（29）Bottom land is provided with mixed drug slot sewage draining exit（20）, mix drug slot （29）Groove top portion is provided with mixed drug slot water supplement port（17）；Mixed drug slot water supplement port（17）Valve is fed by mixed drug slot running water（12）Connection There is running water pipe（21）；Medicine storage tank（28）Lower end liquid outlet passes through valve（5）It is connected with dosing measuring pump（4）, dosing measuring pump （4）Upper inlet pass through chemicals addition control valve（2）It is connected with dosing mouth（23）；Dosing measuring pump（4）Entrance is also returned by dosing Flow valve（3）Pipeline and medicine storage tank（28）Upper end medicine storage tank refluxing opening（19）It is connected；The medicine storage tank（28）With medicine storage tank blowdown Mouthful（22）With medicine storage tank water supplement port（18）；The mixed drug slot（29）And medicine storage tank（28）It is equipped with liquid level gauge.
- A kind of 2. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：The ejector feeding opening（25） It is directly connected to flexible pipe.
- A kind of 3. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：The ejector feeding opening（25） It is directly connected to dosing bucket（26）.
- A kind of 4. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：Liquid level is calculated as magnetic double level gauge Or electronic liquid level gauge.
- A kind of 5. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：The deflection plate（15）Vertically set Put in mixed drug slot（29）It is interior, deflection plate（15）To be multiple.
- A kind of 6. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：Medicine storage tank water supplement port（18）Pass through Medicine storage tank running water feeds valve（13）With running water pipe（21）Connection.
- A kind of 7. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：Medicine storage tank sewage draining exit（22）With storage Drug slot（28）Between be provided with medicine storage tank blowoff valve（14）.
- A kind of 8. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：Mixed drug slot（29）Arranged with mixed drug slot Dirty mouth（20）Between be provided with mixed drug slot blowoff valve（11）.
- A kind of 9. jet mixing chemicals dosing plant according to claim 1, it is characterised in that：The dosing mouth（23）With dosing Regulating valve（2）Between be provided with flowmeter（1）.
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| CN107198970A (en) * | 2017-07-24 | 2017-09-26 | 金科水务工程(北京)有限公司 | A kind of full waterpower is made up a prescription Membrane cleaning system |
| CN110180430A (en) * | 2019-05-17 | 2019-08-30 | 天津国投津能发电有限公司 | A kind of universal automatic preparing device of mushy stage medicament |
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| US5630706A (en) * | 1992-03-05 | 1997-05-20 | Yang; Frank J. | Multichannel pump apparatus with microflow rate capability |
| CN203577658U (en) * | 2013-11-07 | 2014-05-07 | 灯塔北方化工有限公司 | Powdered activated carbon feeding device |
| CN203778012U (en) * | 2014-04-28 | 2014-08-20 | 新疆蓝山屯河新材料有限公司 | Liquid mixing device |
| CN205361090U (en) * | 2015-12-19 | 2016-07-06 | 中国石油天然气股份有限公司 | A jet stirring dosing device |
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| US5630706A (en) * | 1992-03-05 | 1997-05-20 | Yang; Frank J. | Multichannel pump apparatus with microflow rate capability |
| CN203577658U (en) * | 2013-11-07 | 2014-05-07 | 灯塔北方化工有限公司 | Powdered activated carbon feeding device |
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