CN102613884B - The condensing water discharge device of continuous pressure steaming plant and condensing water discharge method - Google Patents

The condensing water discharge device of continuous pressure steaming plant and condensing water discharge method Download PDF

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CN102613884B
CN102613884B CN201110074742.5A CN201110074742A CN102613884B CN 102613884 B CN102613884 B CN 102613884B CN 201110074742 A CN201110074742 A CN 201110074742A CN 102613884 B CN102613884 B CN 102613884B
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condensing water
pipeline
hopper
valve
cooker
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CN102613884A (en
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藤原惠子
矢泽真裕
槌田秀利
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Fujiwara Techno Art Co Ltd
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Fujiwara Techno Art Co Ltd
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Abstract

A kind of condensing water discharge device (20) raw material (3) in cooker (2) being carried out continuously to the continuous pressure steaming plant of pressure cooking, have: the hopper (24) of the recovery condensing water be connected with cooker (2), to the sensor (31) that the condensing water yield in hopper (24) detects, and the automatic valve (27) of the discharge condensing water to be connected with hopper (24), and be provided with controlling organization (36), this controlling organization (36) controls the on-off action of automatic valve (27) based on the detection signal of sensor (31), thus condensing water is automatically discharged from hopper (24).The present invention can discharge condensing water without blocking preventing to greatest extent steam from the prerequisite that cooker leaks.

Description

The condensing water discharge device of continuous pressure steaming plant and condensing water discharge method
Technical field
The present invention relates to condensing water discharge raw material being carried out to the continuous pressure steaming plant of boiling process.
Background technology
As device raw material being carried out to boiling process, there will be a known a kind of continuous pressure steaming plant (such as following patent document 1).Continuous pressure steaming plant is provided with the mesh belt making reticulate body make loopy moving in cooker.On reticulate body, the raw material of placing is transported along with moving of reticulate body in cooker.In cooker, be provided with boiling nozzle, steam is from the ejection of boiling nozzle, and the raw material of placing on reticulate body is transported pressurized boiling in vapor atmosphere in cooker.
Once be blown into the vapor dew in cooker, just become condensing water and be trapped in the bottom of cooker.Therefore, continuous pressure steaming plant must discharge condensing water.When discharging condensing water, if steam can be avoided to greatest extent to be discharged by condensing water from the prerequisite that cooker leaks, just the energy can be saved.As this kind of condensing water output mechanism, drain valve can be enumerated.In following patent document 2, disclose the structure connecting drain valve on cooker.
Patent document 1: Japan Patent No. 3397901 publication
Patent document 2: the open 6-41494 publication of Japanese Utility Model
But drain valve exists the diameter shrinkage part that internal diameter significantly reduces in the stream of valve system part, once the condensing water having full-bodied condensing water or be mixed into solid content passes through, just easily block, and once block, just cannot normally discharge condensing water.
On the other hand, in continuous pressure steaming plant, especially when raw material is for circle soybean or flat soybean, the thick shape condensing water containing polysaccharide can be produced in large quantities.And the crust or disintegrating slag etc. that are attached to the raw material on reticulate body can drop and be mixed in condensing water.Thus, when using drain valve in continuous pressure steaming plant, the measure preventing from blocking be had.When in order to prevent blocking from arranging filter screen etc. in the upstream line of drain valve, all to clean filter screen etc. at every turn after not only terminating boiling process, and long boiling process can not be tolerated.
Summary of the invention
Working out a kind of condensing water discharge device of continuous pressure steaming plant and the condensing water discharge method of continuous pressure steaming plant for this reason, from the prerequisite that cooker leaks, condensing water can being discharged without blocking preventing to greatest extent steam.
The result of research is, the condensing water discharge device of continuous pressure steaming plant of the present invention is the condensing water discharge device of the continuous pressure steaming plant raw material in cooker being carried out continuously to pressure cooking, it is characterized in that, have: with the hopper of boiling tank connected recovery condensing water, to the sensor that the condensing water yield in hopper detects, and the automatic valve of the discharge condensing water to be connected with hopper, and be provided with controlling organization, the sensor-based detection signal of this controlling organization controls the on-off action of automatic valve, thus condensing water is automatically discharged from hopper.
The condensing water discharge method of continuous pressure steaming plant of the present invention is then the condensing water discharge method raw material in cooker being carried out continuously to the continuous pressure steaming plant of pressure cooking, it is characterized in that, by the condensing Water Sproading that produces in the pressure cooking process of raw material to the tank connected hopper of boiling, and based on the detection signal of the sensor detected the condensing water yield in described hopper, control the on-off action of the automatic valve of the discharge condensing water be connected with hopper, thus condensing water is automatically discharged from hopper.
The present invention is the on-off action controlling the automatic valve of discharging condensing water based on the detection signal of the sensor detected the condensing water yield in hopper, when therefore having stored a certain amount of condensing water in hopper, will discharge condensing water from hopper.That is, store a certain amount of condensing water in hopper before, automatic valve maintains closed condition, and is discharged period at the condensing water of storage, and automatic valve maintains open mode.That is, the discharge outlet of hopper can be made to be full of condensing water all the time.Thus, in the operation process of continuous pressure steaming plant, the air-tightness of hopper can be guaranteed, prevent the pressure loss in the cooker that is connected with hopper.Thereby, it is possible to preventing steam from discharging condensing water to greatest extent from the prerequisite that cooker leaks.
In addition, produce above-mentioned effect also owing to being provided with the hopper can storing condensing water, and control the on-off action of automatic valve.Therefore, as long as automatic valve can realize the discharge of condensing water by on-off action and stop.Thus, due to the valve system etc. with significantly diameter shrinkage part need not be arranged on condensing water discharge path, therefore, it is possible to prevent the blocking of discharge path, prevent condensing water from discharging bad.
The effect of invention
The present invention can prevent steam from leaking from cooker to greatest extent, and can discharge condensing water, even and full-bodied condensing water or be mixed into the condensing water of solid content, also can prevent condensing water from discharging bad.
Accompanying drawing explanation
Fig. 1 represents the structure chart by the continuous pressure steaming plant of the condensing water discharge device of an embodiment of the present invention and the tank connected state of boiling.
Fig. 2 is the structure chart of condensing water discharge device in Fig. 1 of an embodiment of the present invention.
Fig. 3 represents the structure chart by the continuous pressure steaming plant of the condensing water discharge device of another embodiment of the present invention and the tank connected state of boiling.
Fig. 4 is the structure chart of condensing water discharge device in Fig. 2 of another embodiment of the present invention.
(symbol description)
2 cookers
3 raw materials
20,40 condensing water discharge devices
24,41 hoppers
27 automatic valves
30 condensing water
30a condensing water liquid level
31,42 sensors
36 controlling organizations
Detailed description of the invention
Below in conjunction with accompanying drawing, an embodiment of the invention are described.Fig. 1 is the structure chart of the continuous pressure steaming plant representing the state be connected with cooker 2 by the condensing water discharge device 20 of an embodiment of the present invention.First the overview of continuous pressure steaming plant is described.Continuous pressure steaming plant is the device raw material 3 in cooker 2 being carried out in vapor atmosphere pressure cooking process continuously.As raw material 3, such as it is the cereal materials such as defatted soybean, circle soybean, flat soybean, wheat bran, rice, wheat.Wherein defatted soybean, circle soybean, flat soybean are used for making soy sauce.
The mesh belt 4 transporting raw material 3 is configured with in cooker 2.Mesh belt 4 has the reticulate body 5 of ring-type, and reticulate body 5 is driven and moves at cooker 2 Inner eycle.Raw material 3 passes through material pouring inlet 7 because raw material drops into the rotation of the rotor of side revolving valve 6, and is put on reticulate body 5.The raw material 3 put on reticulate body 5 is transported with the state of placing on reticulate body 5 due to the loopy moving of reticulate body 5.The raw material 3 transported by reticulate body 5, after being put to outlet 8, is discharged from cooker 2 due to the rotation of the rotor of raw material discharge side revolving valve 9.
In cooker 2, be provided with steam pipe 10, this steam pipe 10 is provided with boiling nozzle 10a.Steam from boiler 11 supplies to steam pipe 10 through pressure-reducing valve 12 and flow control valve 13, and sprays from boiling nozzle 10a.Raw material 3 is made in vapor atmosphere, to be subject to pressure cooking thus in cooker 2.Steam used in pressure cooking process condenses in cooker 2 to be become condensing water and is trapped in the bottom of cooker 2.In cooker 2, be provided with discharge outlet 14, condensing water is drawn towards condensing water discharge device 20 side through discharge outlet 14.
Discharge outlet 14 connecting pipe 21, pipeline 21 is branched off into pipeline 22 and pipeline 23.Pipeline 22 is provided with valve 25, pipeline 23 is provided with valve 26.In the operation process of continuous pressure steaming plant, valve 25 is opened and valve 26 is closed.The condensing water produced in cooker 2 because of pressure cooking is made to be imported into through piping 21 and pipeline 22 in the hopper 24 of recovery condensing water thus.On the other hand, when cleaning cooker 2, opening valve 26 by valve-off 25, can make a large amount of rinse water discharge without hopper 24.
Condensing water discharge device 20 is described in detail below in conjunction with Fig. 2.Fig. 2 is the enlarged drawing of the condensing water discharge device 20 shown in Fig. 1.Condensing water discharge device 20 has the hopper 24 reclaiming condensing water.In the figure 2 example, hopper 24 is laterally long cylindrical vessel shape.Fig. 2 represents the state of hopper 24 inside, represents that the condensing water 30 that have passed through pipeline 22 is trapped in the state in hopper 24 more and more.
Hopper 24 has discharge outlet 37, and discharge outlet 37 is connected to pipeline 29.Pipeline 29 is equipped with the automatic valve 27 of air driven.By being opened by automatic valve 27, the condensing water 30 in hopper 24 is discharged through the pipeline 29 be connected with discharge outlet 37.
As long as automatic valve 27 can the structure of automatic shutter valve, being not limited to the air driven structure shown in Fig. 1, Fig. 2, also can be electrodynamic type structure.In addition, as long as the structure that the condensing water that automatic valve 27 can make high viscosity condensing water or be mixed into solid content passes through, such as ball valve or butterfly valve can be used.
Sensor 31 is installed in hopper 24.Sensor 31 is made up of the upper limit detecting sensor 32 of the condensing water liquid level 30a of condensing water 30 and lower limit detecting sensor 33.The detection signal be also provided with based on sensor 31 controls the on-off action of automatic valve 27 thus the controlling organization 36 of automatically being discharged from hopper 24 by condensing water 30.
Specifically, the detection signal of sensor 31 is input to the timer established as controlling organization 36, and the command signal of the on-off action to automatic valve 27 is outputted to electromagnetic change-over valve 34 from timer.Compressed air from compressed air supply source 35 is supplied to electromagnetic change-over valve 34.Pipe 28a and 28b is clipped between electromagnetic change-over valve 34 and automatic valve 27.Electromagnetic change-over valve 34 can be changed between the setting supplied to automatic valve 27 through pipe 28a by the compressed air from compressed air supply source 35 and the setting supplied to automatic valve 27 through pipe 28b.
Under the state that the condensing water 30 shown in Fig. 2 is detained, the electrode 32a of upper limit detecting sensor 32 is in the air in hopper 24, and the electrode 33a of lower limit detecting sensor 33 is then in the liquid of condensing water 30.In this case, electromagnetic change-over valve 34 just becomes the setting supplied to automatic valve 27 through pipe 28a by the compressed air from compressed air source 35.Under this setting, the compressed air supplied from pipe 28a makes automatic valve 27 become closed condition, and the condensing water 30 in hopper 24 is not discharged.Thus once continue to supply condensing water in hopper 24 from pipeline 22, the water level of condensing water liquid level 30a will rise gradually.
Once the water level of condensing water liquid level 30a continues to rise, condensing water liquid level 30a will become the state connected with the lower end of the electrode 32a of upper limit detecting sensor 32.Once become this state, electromagnetic change-over valve 34 just converts the setting supplied to automatic valve 27 through pipe 28b by the compressed air from compressed air source 35 to.Under this setting, the compressed air supplied from pipe 28b makes automatic valve 27 become open mode, and condensing water 30 in hopper 24 is discharged through the pipeline 29 that is connected with discharge outlet 37.
Once condensing water 30 starts to discharge, condensing water liquid level 30a just continuous decrease, becomes the state that condensing water liquid level 30a departs from the lower end of the electrode 33a of lower limit detecting sensor 33.In this case, electromagnetic change-over valve 34 converts the setting supplied to automatic valve 27 through pipe 28a by the compressed air from compressed air source 35 again to.Under this setting, the compressed air supplied from pipe 28a makes automatic valve 27 convert closed condition to, and condensing water 30 stops discharging.
Then, repeat above-mentioned action, make the water level of condensing water liquid level 30a rise repeatedly and decline, and in hopper 24, be detained a certain amount of condensing water 30, just discharge condensing water 30 from hopper 24.
Adopt the condensing water discharge device 20 of present embodiment, water level lower limit in hopper 24 is in the position roughly the same with the lower end of the electrode 33a of lower limit detecting sensor 33, can maintain the state being full of condensing water 30 all the time at discharge outlet 37 place of hopper 24.Therefore, in the operation process of continuous pressure steaming plant, ensure that the air-tightness of hopper 24, can prevent through piping 21 and pipeline 22 and the pressure loss in the cooker 2 be connected in hopper 24.Like this, just can prevent steam from leaking from cooker 2 to greatest extent, the discharge of condensing water can be realized under the prerequisite preventing boiling ability decline in cooker 2.
In addition, produce above-mentioned effect also owing to being provided with the hopper 24 can storing condensing water 30, and control the on-off action of automatic valve 27.Therefore, as long as automatic valve 27 can realize the discharge of condensing water by on-off action and stop.Thus, condensing water discharge path need not arrange the valve system etc. with significantly diameter shrinkage part, therefore, it is possible to the condensing water making full-bodied condensing water or be mixed into solid content passes through, can prevent from discharging bad because discharge path blocks the condensing water caused.
On the other hand, in continuous pressure steaming plant, especially when raw material is for circle soybean or flat soybean, the thick shape condensing water containing polysaccharide can be produced in large quantities, make condensing water become high viscosity.And the solid content such as the crust of raw material or disintegrating slag can be mixed in condensing water.As mentioned above, the condensing water discharge device 20 of present embodiment can prevent discharge path from blocking, and is therefore applicable to the occasion of the condensing water flow that will make full-bodied condensing water or be mixed into solid content.
In addition, in FIG, valve 25 and automatic valve 27 preferably adopt overall diameter formula.By adopting overall diameter formula valve, because the flow diameter in valve is roughly the same with pipe diameter, be therefore more conducive to preventing discharge path from blocking.
Fig. 1,2 example in, the hopper 24 reclaiming condensing water be the cylindrical vessel shape laterally grown.And the shape of water storing tank also can be other shape, as long as a certain amount of condensing water can be stored.For example, Fig. 1,2 hopper 24 also can be erect drum, also can be rectangular shape.Embodiment shown in following Fig. 3,4 is exactly that the shape of the hopper reclaiming condensing water is made pipe shape.
Fig. 3 is the structure chart of the continuous pressure steaming plant representing the state be connected with cooker 2 by the condensing water discharge device 40 of another embodiment of the present invention.Hopper 24 in Fig. 1 is cylindrical vessel shapes of laterally length, and the hopper 41 of Fig. 3 is then pipe shape.In figure 3, the structure of continuous pressure steaming plant is identical with the structure of the continuous pressure steaming plant shown in Fig. 1, therefore omits repeat specification.In addition, the discharge path from the condensing water of cooker 2 and the control to automatic valve 27 on-off action identical with the embodiment shown in Fig. 1,2, therefore identical symbol is added and detailed to identical structure.
Condensing water discharge device 40 is described in detail below in conjunction with Fig. 4.Fig. 4 is the enlarged drawing of the condensing water discharge device 40 shown in Fig. 3.Fig. 4 represents the state of hopper 41 inside, represents that the condensing water 30 that have passed through pipeline 22 is trapped in the state in hopper 41 more and more.
Sensor 42 is installed in hopper 41.Sensor 42 is made up of the upper limit detecting sensor 43 of the condensing water liquid level 30a of condensing water 30 and lower limit detecting sensor 44.The electrode 43a of upper limit detecting sensor 43 and the electrode 44a landscape configuration of lower limit detecting sensor 44.
Once the water level of condensing water liquid level 30a continues to rise from the state of Fig. 4, condensing water liquid level 30a will become the state connected with the electrode 43a of upper limit detecting sensor 43.Once become this state, automatic valve 27 is just opened, and condensing water 30 is discharged.Discharge continues to carry out, once condensing water liquid level 30a becomes the state of the electrode 44a departing from lower limit detecting sensor 44, namely automatic valve 27 closes, and namely the discharge of condensing water 30 stops.Thus with Fig. 1,2 structure same, the water level of condensing water liquid level 30a rises repeatedly and declines, and has been detained a certain amount of condensing water 30, just discharges condensing water 30 from hopper 41 in hopper 41.
Be explained above 2 embodiments of the present invention, as long as but structure condensing water 30 can discharged automatically from hopper 24 (41) the control of automatic valve 27 on-off action, be not limited to the structure of above-mentioned embodiment.For example in the above-described embodiment, the sensor 31 (42) be located in water storing tank 24 (41) forms 2 one group use by upper limit detecting sensor and lower limit detecting sensor, but also can omit lower limit detecting sensor and only use upper limit detecting sensor.Now, as long as make upper limit detecting sensor and timer interlock, and open automatic valve 27 after contacting with liquid level in upper limit detecting sensor and full water state being detected, then after the stipulated time, close automatic valve 27.
In addition, in the above-described embodiment, be the condensing water yield detected with horizon sensor in hopper 24 (41), and horizon sensor can adopt for example electric pole type horizon sensor or capacitance level sensor.In addition, be also not limited to horizon sensor, go back available pressure sensor to detect the condensing water yield in hopper.
When using pressure sensor, when for example force value reaching upper limit setting pressure, just opening automatic valve 27 and condensing water is discharged, and when force value reaches lower limit set pressure, just closing automatic valve 27 to stop discharging.
Embodiment
The present invention is further illustrated below in conjunction with embodiment.The continuous pressure steaming plant of embodiment is identical with the structure of the continuous pressure steaming plant of Fig. 1, and the condensing water discharge device of embodiment is identical with condensing water discharge device 20 structure shown in Fig. 1,2.In an embodiment, make the raw material 3 of Fig. 1 for circle soybean, and with the ability of 6ton/Hr, boiling process is carried out to this raw material.The digestion time of circle soybean is 4 minutes, and cooking pressure is 0.18Mpa, and boiling temperature is now 131 DEG C.
Hopper is the drum that the transverse direction as the hopper 24 shown in Fig. 1,2 is long, and external diameter is 406mm, and length is 1500mm, and volume is 0.124m 3.Electric pole type horizon sensor with the upper limit detecting sensor 32 in Fig. 2 and the suitable sensor of lower limit detecting sensor 33.The valve suitable with automatic valve 27 is the overall diameter formula ball valve of air driven.
When operating by the structure of embodiment, vapor volume used is 4ton/Hr, and the condensing water yield is 3m 3/ Hr.Guarantee in operation process that steam pressure is 0.18MPa, almost can't see the phenomenon of vapour leakage.On the other hand, from the structure of embodiment, omit condensing water discharge device when adopting, the comparative example of directly discharging condensing water from discharge outlet 14 (Fig. 1) is when operating, vapor volume used is 4.5ton/Hr.That is, the present embodiment is compared with comparative example, and vapor volume decreases about 11%, and visible the present invention has the effect of saving the energy.In addition, because raw material is circle soybean, therefore condensing water is full-bodied, but condensing water discharge path has no the sign of condensing water slug.And the opening and closing frequency of automatic valve 27 be about 2.5 minutes once, adopt the opening and closing frequency of this degree, can withstand prolonged use.

Claims (2)

1. the raw material in cooker is carried out continuously to a condensing water discharge device for the continuous pressure steaming plant of pressure cooking, it is characterized in that having:
With the hopper of boiling tank connected recovery condensing water,
The sensor that the condensing water yield in hopper is detected and
The automatic valve of the discharge condensing water be connected with hopper,
And be provided with controlling organization, the sensor-based detection signal of this controlling organization controls the on-off action of automatic valve, thus is automatically discharged from hopper by condensing water,
Described cooker is connected with the 1st pipeline,
Described 1st pipe branch becomes the 2nd pipeline and the 3rd pipeline, and described 2nd pipeline is connected to described hopper, and the rinse water in described cooker is discharged without described hopper by described 3rd pipeline,
Described 2nd pipeline and described 3rd pipeline are respectively arranged with valve,
In the process of described continuous pressure steaming plant running, the valve be arranged on described 3rd pipeline is also closed by opening the valve be arranged on described 2nd pipeline, the condensing water produced in described cooker because of pressure cooking is imported in described hopper through described 1st pipeline and described 2nd pipeline
When cleaning described cooker, the valve be arranged on described 2nd pipeline by cut out also opens the valve be arranged on described 3rd pipeline, rinse water is discharged without described hopper.
2. the raw material in cooker is carried out continuously to a condensing water discharge method for the continuous pressure steaming plant of pressure cooking, it is characterized in that,
By the condensing Water Sproading that produces in the pressure cooking process of raw material to the tank connected hopper of boiling,
Based on the detection signal of the sensor detected the condensing water yield in described hopper, control the on-off action of the automatic valve of the discharge condensing water be connected with hopper,
Condensing water is automatically discharged from hopper,
Described cooker connects the 1st pipeline,
Described 1st pipe branch is become the 2nd pipeline and the 3rd pipeline, and described 2nd pipeline is connected to described hopper, and the rinse water in described cooker is discharged without described hopper by described 3rd pipeline,
Described 2nd pipeline and described 3rd pipeline arrange valve respectively,
In the process of described continuous pressure steaming plant running, the valve be arranged on described 3rd pipeline is also closed by opening the valve be arranged on described 2nd pipeline, the condensing water produced in described cooker because of pressure cooking is imported in described hopper through described 1st pipeline and described 2nd pipeline
When cleaning described cooker, the valve be arranged on described 2nd pipeline by cut out also opens the valve be arranged on described 3rd pipeline, rinse water is discharged without described hopper.
CN201110074742.5A 2011-01-28 2011-03-15 The condensing water discharge device of continuous pressure steaming plant and condensing water discharge method Active CN102613884B (en)

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JP2011016600A JP5801563B2 (en) 2011-01-28 2011-01-28 Drain discharge device for continuous pressure steaming device and drain discharge method for continuous pressure steaming device

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CN107261990A (en) * 2017-07-27 2017-10-20 东莞市秦智工业设计有限公司 A kind of feed arrangement of reactor
CN109655802B (en) * 2018-11-22 2020-09-04 上海无线电设备研究所 Multi-target particle swarm long-time accumulation detection method based on CLEAN algorithm

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