CN102101032B - Multi-component full-automatic premixing equipment - Google Patents
Multi-component full-automatic premixing equipment Download PDFInfo
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- CN102101032B CN102101032B CN2010105938299A CN201010593829A CN102101032B CN 102101032 B CN102101032 B CN 102101032B CN 2010105938299 A CN2010105938299 A CN 2010105938299A CN 201010593829 A CN201010593829 A CN 201010593829A CN 102101032 B CN102101032 B CN 102101032B
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Abstract
The invention discloses multi-component full-automatic premixing equipment. A nitrogen source is adopted and connected with a plurality of groups of premixing devices, the plurality of groups of premixing devices are connected with a multi-channel premixing nozzle together, and the multi-channel premixing nozzle is connected with a static mixer; the premixing device comprises that: the nitrogen source is sequentially connected with a nitrogen pressure reducing valve, a one-way valve and a buffer tank through branched pipelines; the buffer tank is provided with a balance valve; the buffer tank is connected with a feeding pump set through a pneumatic valve, and the feeding pump set is connected with a raw material barrel; the buffer tank is sequentially connected with a hand-operated valve, a filter, a metering pump set, a flow meter, a throttling valve and a circulating valve set through a pipeline; the circulating valve set is provided with multiple paths of output, one path is returned to the buffer tank through the pneumatic valve and the one-way valve, and the other path is connected with the interface of the multi-channel premixing nozzle; and through the scheme, the defects of a few raw material mixing components of the conventional equipment, low mixing yield, complex equipment structure and poor mixing effect are overcome. The equipment is suitable for foaming of household appliances and vehicle seats and proportional mixing of chemicals and multiple similar raw materials.
Description
Technical field
The present invention relates to the full-automatic premixing device of many components of a kind of household electric appliances and vehicle industry foamed products.
Background technology
At present, in the widely-used pentamethylene foaming of household electric appliances, household electrical appliances production adopts the static premixing device of pentamethylene to prepare burden voluntarily and can reduce production costs.Existing raw material premixing device only can realize that two kinds of raw materials of pentamethylene and PPG adopt the low pressure head-on collision, and the static mixer flow-disturbing mixes.Now, foam,, need to adopt the automatic premixing device of polyalcohol+pentamethylene+three kinds of raw materials of 245fa in order to improve the insulation quality and to reduce cost of material in household electric appliances such as refrigerator shell.In automobile industry; Like foaming automotive seat; For the comfortableness that improves seat need proportionally be added 4-6 kind auxiliary additive in raw material; And existing multi-component feedstock premixing device generally adopts intermittently hybrid mode of stirring-type, and equipment yield is low, and floor space is big when complex structure, use, mixed effect is poor.
Summary of the invention
Goal of the invention of the present invention provides a plurality of hydraulic pump group of a kind of employing transferring raw material, adopts a plurality of circulating valve groups selectively to supply raw material to multichannel premix nozzle, makes plurality of raw materials obtain the full-automatic premixing device of well-mixed many components.
Be the realization above-mentioned purpose, the full-automatic premixing device of a kind of many components, it comprises: the nitrogen source of the gas also connects many group pre-mixing apparatus, organizes the common multichannel premix nozzle that connects of pre-mixing apparatus, multichannel premix nozzle connection static mixer more; Said pre-mixing apparatus comprises: the nitrogen source of the gas connects nitrogen pressure-reducing valve, the gentle material stock jar of check valve successively through minute pipeline; Said buffer memory batch can is provided with balanced valve; The buffer memory batch can connects the feeding pump group through pneumatic operated valve, and the feeding pump group connects Raw material pail; The buffer memory batch can connects hand-operated valve, filter, measuring pump group, flowmeter, choke valve and circulating valve group by the road successively; The circulating valve group is provided with multichannel output, and one the tunnel is back to the buffer memory batch can, the interface of another road connection multichannel premix nozzle through pneumatic operated valve and check valve.
In order to realize products perfection, improve, improve combination property of the present invention, further step is:
Be provided with mixer in the said partial buffering batch can.
Said measuring pump assembly has motor, and part measuring pump group connects automatic lubricant pump.
The input pressure table is set on the intake line of said measuring pump group, on the output pipe of measuring pump group delivery gauge is set.
Said feeding pump group is made up of feeding pump, hand-operated valve, check valve, Pressure gauge.
The utility model adopts the nitrogen source of the gas and connects many group pre-mixing apparatus, organizes the common multichannel premix nozzle that connects of pre-mixing apparatus more, and multichannel premix nozzle connects static mixer; Pre-mixing apparatus comprises: the nitrogen source of the gas connects nitrogen pressure-reducing valve, the gentle material stock jar of check valve successively through minute pipeline; The buffer memory batch can is provided with balanced valve; The buffer memory batch can connects the feeding pump group through pneumatic operated valve, and the feeding pump group connects Raw material pail; The buffer memory batch can connects hand-operated valve, filter, measuring pump group, flowmeter, choke valve and circulating valve group by the road successively; The circulating valve group is provided with multichannel output; One the tunnel is back to the buffer memory batch can through pneumatic operated valve and check valve, and another road connects the scheme of the interface of multichannel premix nozzle, and it is few to have overcome existing equipment raw material blending ingredients; Mixing yields poorly, and device structure is complicated, the defective of mixed effect difference.
The utility model is compared the beneficial effect that prior art produces:
1, the present invention adopts multichannel premix nozzle, can import the various liquid raw material simultaneously, makes the raw material components of foam mixture unrestricted.
2, all adopt automation from the output that supplies to compound of raw material, the circulating valve group has automatic selection function to proportion of raw materials, has improved the production efficiency that raw material mixes and foams.
3, be transported to the weight of multichannel premix nozzle with measuring pump group and flowmeter accurate measurement plurality of raw materials, the proportioning that has guaranteed foam mixture is accurately with stable.
4, in the partial buffering batch can, disposed mixer, guaranteed that thicker raw material conveying is stable.
5, of the present invention simple and reasonable, low cost of manufacture.
6, compact conformation of the present invention, floor space is little during use, has reduced use cost.
The present invention is applicable to that foaming and the chemical industry of household electrical appliance and seat and the proportioning of similar plurality of raw materials mix.
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Among the figure: 1, nitrogen source of the gas, 2, pre-mixing apparatus, 3, pressure-reducing valve, 4, Raw material pail, 5, the feeding pump group, 6, check valve; 7, pneumatic operated valve, 8, the buffer memory batch can, 9, balanced valve, 10, hand-operated valve, 11, filter, 12, the input pressure table; 13, measuring pump group, 14, flowmeter, 15, choke valve, 16, delivery gauge, 17, the circulating valve group; 18, multichannel premix nozzle, 19, static mixer, 20, automatic lubricant pump, 21, mixer, 22, feeding pump.
The specific embodiment
Shown in accompanying drawing 1, the full-automatic premixing device of a kind of many components, it comprises: nitrogen source of the gas 1 also connects many group pre-mixing apparatus 2, organizes the pre-mixing apparatus 2 common multichannel premix nozzles 18 that connect more, and multichannel premix nozzle 18 connects static mixer 19; Pre-mixing apparatus 2 comprises: nitrogen source of the gas 1 connects nitrogen pressure-reducing valve 3, check valve 6 gentle material stock jars 8 successively through dividing pipeline; Buffer memory batch can 8 is provided with balanced valve 9; Buffer memory batch can 8 connects feeding pump group 5 through pneumatic operated valve 7, and feeding pump group 5 connects Raw material pail 4; Buffer memory batch can 8 connects hand-operated valve 10, filter 11, measuring pump group 13, flowmeter 14, choke valve 15 and circulating valve group 17 by the road successively; Circulating valve group 17 is provided with multichannel output, and one the tunnel is back to buffer memory batch can 8 through pneumatic operated valve 7 and check valve 6, and another road connects the interface of multichannel premix nozzle 18.Be provided with mixer 21 in the partial buffering batch can 8.Measuring pump group 13 is furnished with motor, and part measuring pump group 13 connects automatic lubricant pump 20.Input pressure table 12 is set on the intake line of measuring pump group 13, delivery gauge 16 is set on the output pipe of measuring pump group 13.Feeding pump group 5 is made up of feeding pump 22, hand-operated valve 10, check valve 6 and Pressure gauge.
The course of work of the present invention is: by nitrogen source of the gas 1 nitrogen of certain pressure is provided, nitrogen gas pressure is set to 6-8bar, and the nitrogen demultiplexing is input to a plurality of buffer memory batch cans 8 through pressure-reducing valve 3 and check valve 6.Plurality of raw materials is contained in respectively in a plurality of Raw material pails 4, pumps in the buffer memory batch can 8 through feeding pump group 5 respectively during use to store.The effect one of nitrogen is to be 8 pressurizations of buffer memory batch can in the buffer memory batch can 8; The 2nd, during for each measuring pump group 13 work precompression is provided, make liquid material import measuring pump group 13 smoothly; The 3rd, prevent volatile industrial chemicals volatilization.
When compounding begins, open every group of hand-operated valve 10 behind the buffer memory batch can 8, start the measuring pump group 13 that all need participate in batching, in an embodiment, measuring pump group 13 can adopt plunger displacement pump or electric diaphragm pump according to Material Characteristics.During compounding, plurality of raw materials pumps into 13 pressurizations of measuring pump group respectively by 8 outputs of buffer memory batch can after filter 11 filters, and raw material arrives circulating valve group 17 by measuring pump group 13 input flow rate meter successively 14 and choke valve 15.Flowmeter 14 is used to monitor the actual flow of measuring pump group 13 outputs; Measuring pump group 13 is formed closed-loop adjustment with flowmeter 14; Flowmeter 14 is given the control computer with detected actual output flow signal feedback; The control computer relatively and is automatically regulated measuring pump group 13 with the theoretical delivery of actual flow and setting, and the actual flow of measuring pump group 13 outputs is equated with theory setting.The control computer converts the actual flow of measuring pump group 13 outputs into the weight of raw material simultaneously, guarantees raw materials by weight output.Circulating valve group 17 is a multidigit reversal valve group; Raw material is through circulating valve group 17 input multichannel premix nozzles 18 during batching; A plurality of nozzles of multichannel premix nozzle 18 connect many group pre-mixing apparatus 2 simultaneously, and plurality of raw materials is converged in the pedestal of multichannel premix nozzle 18.Multichannel premix nozzle 18 can pass through sectional area through the raw material of adjustment nozzle, adjusts the expulsion pressure of every kind of raw material, thereby lets raw material mix better.Raw material mixes back input static mixer 19, and static mixer 19 stirs raw materials by weight and makes it abundant mixing, obtains foam mixture.Foam mixture outputs to the product foaming machine from static mixer 19.When perhaps the feeding ratio of a certain group of pre-mixing apparatus 2 was accomplished after compounding is accomplished, control circuit changed the raw material throughput direction of circulating valve group 17, and raw material is got back in the buffer memory batch can 8 through pneumatic operated valve 7 and check valve 6.
The balanced valve 9 that is provided with on the buffer memory batch can 8 is used for the nitrogen pressure in the balance buffer memory batch can 8, and nitrogen overflows through balanced valve 9 during hypertonia.Input pressure table 12 on measuring pump group 13 intake lines is used for monitoring the nitrogen pressure of buffer memory batch can 8 and the pressure of measuring pump group 13 inlets.Delivery gauge 16 on the output pipe of measuring pump group 13 is used for monitoring the output pressure of measuring pump group 13, and is set with alarming value, when pressure exceeds the upper limit or is lower than the lower limit shutdown of all can reporting to the police automatically, the safety of protection equipment.Measuring pump group 13 is by motor-driven, and part measuring pump group 13 can be through the self-lubricate of 20 pairs of measuring pump main shafts of automatic lubricant pump to improve measuring pump service life.Mixer 21 is set in the partial buffering batch can 8, when the denseer thick or layering of raw material ratio, stirs, guaranteed measuring pump group 13 operate as normal with mixer 21.
In accompanying drawing of the present invention; Be 4 groups of pre-mixing apparatus 2, multichannel premix nozzle 18 is provided with 4 nozzles, can 4 kinds of raw materials fully be mixed; Difference according to component in the foam mixture; Pre-mixing apparatus 2 of the present invention can be set to more than 2 groups at least, and the nozzle of corresponding multichannel premix nozzle 18 can be set to more than 2 at least, and the scope of foam mixture component commonly used is at 2-10 kind raw material; The pre-mixing apparatus 2 that adopts and the nozzle of multichannel premix nozzle 18 also are 2-10, and this scope can satisfy the foaming to household electrical appliance and seat fully.
During the proportioning that the present invention also can be used in chemical industry and similar plurality of raw materials was mixed, the nozzle of pre-mixing apparatus 2 and multichannel premix nozzle 18 possibly surpass 10, also be protection scope of the present invention.
Claims (5)
1. the full-automatic premixing device of component more than a kind; It is characterized in that it comprises: nitrogen source of the gas (1) also connects many group pre-mixing apparatus (2); Many group pre-mixing apparatus (2) connect a multichannel premix nozzle (18) jointly, and multichannel premix nozzle (18) connects static mixer (19); Said pre-mixing apparatus (2) comprising: nitrogen source of the gas (1) connects nitrogen pressure-reducing valve (3), the gentle material stock jar (8) of check valve I successively through dividing pipeline; Said buffer memory batch can (8) is provided with balanced valve (9); Buffer memory batch can (8) connects feeding pump group (5) through pneumatic operated valve (7), and feeding pump group (5) connects Raw material pail (4); Buffer memory batch can (8) connects hand-operated valve (10), filter (11), measuring pump group (13), flowmeter (14), choke valve (15) and circulating valve group (17) by the road successively; Circulating valve group (17) is provided with multichannel output, and one the tunnel is back to buffer memory batch can (8), the interface of another road connection multichannel premix nozzle (18) through pneumatic operated valve (7) and check valve II.
2. the full-automatic premixing device of a kind of many components according to claim 1 is characterized in that being provided with in the said buffer memory batch can of part (8) mixer (21).
3. the full-automatic premixing device of a kind of many components according to claim 1 is characterized in that said measuring pump group (13) is furnished with motor, and part measuring pump group (13) connects automatic lubricant pump (20).
4. the full-automatic premixing device of a kind of many components according to claim 1 is characterized in that on the intake line of said measuring pump group (13) input pressure table (12) being set, and delivery gauge (16) is set on the output pipe of measuring pump group (13).
5. the full-automatic premixing device of a kind of many components according to claim 1 is characterized in that said feeding pump group (5) is made up of feeding pump (22), hand-operated valve (10), check valve III and Pressure gauge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105938299A CN102101032B (en) | 2010-12-17 | 2010-12-17 | Multi-component full-automatic premixing equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105938299A CN102101032B (en) | 2010-12-17 | 2010-12-17 | Multi-component full-automatic premixing equipment |
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| CN102101032A CN102101032A (en) | 2011-06-22 |
| CN102101032B true CN102101032B (en) | 2012-11-21 |
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| CN102527266A (en) * | 2011-12-29 | 2012-07-04 | 多维联合集团有限公司 | Method for statically mixing raw materials for banding production line of sandwich panel |
| CN103464048B (en) * | 2013-09-25 | 2015-12-23 | 南京中衡元环保设备有限公司 | A kind of intelligence is in harmonious proportion and adds agent system |
| CN107297854A (en) * | 2017-08-09 | 2017-10-27 | 湖南精正设备制造有限公司 | A kind of polyurethane polyol automatic gauge mixing arrangement |
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| US5370269A (en) * | 1990-09-17 | 1994-12-06 | Applied Chemical Solutions | Process and apparatus for precise volumetric diluting/mixing of chemicals |
| US5676461A (en) * | 1996-03-18 | 1997-10-14 | M. A. Hanna Rubber Compounding A Division Of M. A. Hanna Company | Oil injection apparatus and method for polymer processing |
| KR100598913B1 (en) * | 2004-09-02 | 2006-07-10 | 세메스 주식회사 | Method and apparatus for mixing and supplying chemical |
| CN201906577U (en) * | 2010-12-17 | 2011-07-27 | 湖南精正设备制造有限公司 | Full-automatic multi-component premixing equipment |
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