WO2005115205A1 - 間接加熱ボイル装置、間接加熱冷却装置および濃縮装置 - Google Patents
間接加熱ボイル装置、間接加熱冷却装置および濃縮装置 Download PDFInfo
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- WO2005115205A1 WO2005115205A1 PCT/JP2004/007193 JP2004007193W WO2005115205A1 WO 2005115205 A1 WO2005115205 A1 WO 2005115205A1 JP 2004007193 W JP2004007193 W JP 2004007193W WO 2005115205 A1 WO2005115205 A1 WO 2005115205A1
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- liquid
- boil
- pipe
- water
- steam
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
Definitions
- the present invention relates to an indirect heating boiler, an indirect heating and cooling device, and a condensing device using a heat exchanger.
- the present invention relates to an indirect heating boiler, an indirect heating / cooling apparatus, and a concentrator which can be suitably applied to a processing process of marine ingredients such as Rikiji.
- a boiler for processing power double meat as a method of heating boil water in a boil tank for boiling power, for example, heating steam generated by a boiler is directly supplied to boil water in a boiler tank. And a heating medium such as high-temperature steam supplied to the inside of a boil tank with a meandering or coiled heat transfer tube and a boiler.
- a heat transfer tube type that heats boil water by exchanging heat with water
- a heater heating type that heats boil water by driving a heater by arranging an electric heater in a boil tank.
- Patent Document 1 JP-A-62-195268
- a steam supply pipe such as a sparge pipe is disposed in a boil tank, and high-temperature steam is supplied from a large number of small-hole-shaped steam discharge ports in the sparge pipe into the boil water.
- steam steam
- a large amount of steam (steam) is generated and fills the entire room as well as around the equipment. Therefore, the surrounding work environment deteriorates and dew condensation occurs in the room, which is not immediately favorable for hygiene.
- a large exhaust duct for discharging a large amount of steam is required, resulting in an increase in equipment size and an increase in cost.
- the present invention has been made in view of various points to be solved, and a main object of the present invention is to eliminate various drawbacks of a boiler for boiling food (for example, force 2) using boiling water. New It is to provide a regular boil device. Another object of the present invention is to provide a heating / cooling device capable of heating / cooling a processing liquid (eg, boiled liquor) or a concentrator capable of producing a concentrated liquid (eg, liquor extract) by concentrating. It is to provide a device.
- a processing liquid eg, boiled liquor
- a concentrator capable of producing a concentrated liquid (eg, liquor extract) by concentrating. It is to provide a device.
- the indirect heating boiler of the present invention is an indirect heating boiler for boiling food using boil water, having a boil water path and a steam path that are independent of each other, and flowing through the boil water path.
- a heat exchanger in which heat exchange is performed between boil water and heating steam flowing in the steam path, a boil tank in which food is stored and boil water is stored, and a boil water path of the heat exchanger And a steam pipe connected to the steam path of the heat exchanger.
- the indirect heating boil device is configured to be movable.
- the boil water pipe section includes a connection pipe connected to an inlet and an outlet of the boil water path in the heat exchanger, a connection pipe connected to the connection pipe, and the connection pipe and the boil pipe. And an extension pipe connecting the tank.
- the boil tank connected to the boil water piping section has a structure to which a lid can be attached.
- a boil water circulation device for circulating the boil water between the heat exchanger and the boil tank is provided.
- a steam pipe for supplying steam is connected to the steam pipe section.
- a cooling heat medium pipe for supplying a cooling heat medium is connected to the steam pipe section together with the steam pipe.
- the food material is at least one of a marine product and a vegetable.
- the food is preferably a crustacean.
- the food material may be seaweed.
- the indirect heating / cooling device of the present invention is an indirect heating / cooling device for heating and cooling a liquid for eating and drinking, which has a liquid path for eating and drinking and a heat medium path which are independent from each other.
- a liquid container for eating and drinking, for connecting the liquid path for eating and drinking of the heat exchanger, and the heat medium path includes a high-temperature heat medium pipe for flowing a high-temperature heat medium, and a low-temperature heat pipe.
- a low-temperature heat medium pipe for flowing the medium is connected, and a switching valve for switching the connection between the high-temperature heat medium pipe and the low-temperature heat medium pipe is provided.
- the eating and drinking liquid is boiled juice or steamed juice of Rikiji
- the high-temperature heat medium is steam
- the low-temperature heat medium is cold water.
- the liquid for eating and drinking may be broth.
- the concentrating device of the present invention is a concentrating device for concentrating a liquid to be concentrated, has a liquid path and a vapor path independent of each other, and flows through the liquid to be concentrated introduced into the liquid path and the vapor path A heat exchanger in which heat exchange is performed with steam, and a vapor of the liquid to be concentrated, which is connected to one end of the liquid path in the heat exchanger and is generated by the heat exchange in the heat exchanger. And a gas-liquid separator for performing gas-liquid separation.
- a recovery tank is provided for recovering the concentrated liquid separated by the gas-liquid separator, and the recovery tank is connected to the other end of the liquid path in the heat exchanger. preferable.
- the liquid path of the heat exchanger is disposed so as to extend in a substantially vertical direction, and the collection tank keeps a liquid level in the collection tank constant.
- the liquid level in the recovery tank and the liquid level in the liquid path match each other.
- a plurality of baffles are provided inside the gas-liquid separator, and the plurality of baffles convert the vapor of the concentrated liquid into a gas and a concentrated liquid. It has the function of separating.
- the apparatus further comprises a preheat heat exchanger for preheating the liquid to be concentrated, wherein the preheat heat exchanger has a liquid path and a vapor path independent of each other, and the liquid path Between the liquid to be concentrated and the vapor flowing through the vapor path A heat exchange is performed, the vapor path in the heat exchanger for residual heat is connected to the gas-liquid separator, and one end of the liquid path in the heat exchanger for residual heat is concentrated. It is connected to a storage tank that stores the target liquid.
- the apparatus further comprises a recovery tank for recovering the concentrated liquid separated by the gas-liquid separator, and the recovery tank is connected to the other end of the liquid path in the heat exchanger.
- the heat exchanger for residual heat is configured to be able to introduce the liquid to be concentrated in the heat exchanger for residual heat into the recovery tank.
- the liquid to be concentrated is a power extract solution.
- the liquid to be concentrated may be soup stock.
- the indirect heating boil method (or a method of manufacturing a boiled product) according to an embodiment of the present invention is a boil method using a heat exchanger, and boil water stored in a boil tank is subjected to boil-in-boil. It includes a step (a) of circulating between the tank and the heat exchanger, thereby heating the boil water, and a step (b) of boiling the foodstuff with the heated boil water.
- step (b) a step of circulating the boiled wastewater after boiled between the boil tank and the heat exchanger, thereby cooling the boiled wastewater
- a washing step is performed by circulating washing water between the boil tank and the heat exchanger.
- the indirect heating and cooling method (or the method of processing or producing a liquid for eating and drinking) according to the embodiment of the present invention is a heating and cooling method using a heat exchanger, and the food and drink stored in the liquid container for eating and drinking. Circulating the liquid for food and drink between the liquid container for food and drink and the heat exchanger, thereby heating the liquid for food and drink (a), and heating the liquid for food and drink to the liquid container for food and drink; Circulating between the heat exchanger and thereby cooling the edible liquid (b).
- the concentration method (or the method for producing a concentrated liquid) according to the embodiment of the present invention is a concentration method using a heat exchanger, and the step (a) of evaporating the liquid to be concentrated introduced into the heat exchanger. ) And a step (b) of gas-liquid separation of the evaporated vapor of the liquid to be concentrated.
- the liquid that has been gas-liquid separated in the step (b) is collected in a collection tank.
- the method further includes a step (c) and a step (d) of introducing the recovered liquid into the heat exchanger again.
- the indirect heating and cooling device of the present invention includes a heat exchanger having a boil water path and a steam path that are independent of each other, and the boil water path of the heat exchanger is connected to the boil tank.
- Water can be passed through a heat exchanger, heated by heat exchange with heating steam, and introduced into the vignette tank.
- high-temperature stable boil water can be supplied into the boil tank, so that a large amount of steam can be prevented from being generated.
- the working environment around the device can be improved, the occurrence of dew condensation in the room can be prevented, and a good working environment with hygiene can be obtained.
- since a large amount of steam is not generated the need for steam removing equipment such as a large duct for removing steam is required, so that the equipment can be reduced in size and simplified and the cost can be reduced.
- the indirect heating and cooling device of the present invention is configured to heat boiled water by heat exchange with steam for heating and to supply the boiled water to the boil tank by passing the boil water through a heat exchanger.
- a heat exchanger in which heating steam from the boiler is directly introduced into the boil water, boiled water is not depleted in the boil water. Adverse effects can be avoided. Therefore, it is possible to improve the quality of the boiled product.
- the boil water can be circulated through the boil tank and the heat exchanger, so that the boil water in the boil tank is appropriately stirred and the temperature of the boil water becomes uneven. Does not occur, the temperature distribution can be equalized, food such as power can be uniformly boiled, and a high-quality boiled product can be obtained.
- the boil tank can be formed in a simple shape without the steam supply pipe, the heater, the heat transfer pipe, and the like being arranged in the boil tank. Cleaning and maintenance work of the tank, and eventually cleaning and maintenance work of the entire equipment, can be performed easily.
- the cooling heat medium pipe When the cooling heat medium pipe is connected to the steam pipe section together with the steam pipe, the cooling heat medium can also flow through the steam path of the heat exchanger.
- the heating and cooling process of the boil water stored in the boil tank after the boil water can be carried out without transferring the boil water, whereby the boil water extract liquid is usually removed from the boil water that has been discarded. It can also be manufactured.
- the indirect heating and cooling device of the present invention includes a heat exchanger having a food and drink liquid path and a heat medium path that are independent of each other, and the food and drink liquid path of the heat exchanger is connected to the food and drink liquid container.
- a high-temperature heat medium pipe for flowing a high-temperature heat medium and a low-temperature heat medium pipe for flowing a low-temperature heat medium are connected, and a switching valve for the connection is provided. Therefore, the high-temperature heating medium (heating medium) and the low-temperature heating medium (cooling medium) are sequentially supplied to the heat exchanger while circulating the eating and drinking liquid between the eating and drinking liquid container and the heat exchanger. be able to. Therefore, a series of heating and cooling processes without transferring the liquid for eating and drinking can be performed, and as a result, the production efficiency can be improved.
- the concentrating apparatus of the present invention includes a heat exchanger having a liquid path and a vapor path that are independent of each other, and a condensing target that is connected to one end of the liquid path in the heat exchanger and generated by heat exchange in the heat exchanger. Since a gas-liquid separator for performing gas-liquid separation of liquid vapor is provided, gas components (for example, water vapor) and a concentrated liquid can be separated without performing vacuum suction. The ability to concentrate liquids (liquids to be concentrated) with relatively simple equipment without the provision of vacuum equipment enables downsizing of the concentrator, thus significantly reducing equipment costs. it can.
- FIG. 1 is a diagram schematically showing a configuration of a conventional steam direct injection system 1000.
- FIG. 2 is a diagram schematically showing a configuration of an indirect heating boil system 2000 of the present invention.
- FIG. 3 is a graph showing the relationship between temperature (° C) and heat exchange efficiency (%) for the steam direct injection method 1000 and the indirect heating boil method 2000.
- FIG. 4 is a diagram schematically showing a configuration of an indirect heating boiler 100 according to Embodiment 1 of the present invention.
- FIG. 5 is a partially transparent perspective view for explaining the configuration of the heat exchanger 10.
- FIG. 6 (a) to (c) each show an indirect heating boiler 100 according to Embodiment 1 of the present invention. It is a side view, a top view, and a bottom view showing the configuration of FIG.
- FIG. 7 is a view showing an indirect heating boiler and a piping configuration thereof according to Embodiment 1 of the present invention.
- FIG. 8 is a cross-sectional view schematically illustrating a configuration of a heat exchanger 10 according to Embodiment 1 of the present invention.
- FIG. 9 is a flowchart for explaining a boil processing step in Embodiment 1 of the present invention.
- FIG. 10 is a diagram showing an indirect heating / cooling device (boil water cooling device) and a piping configuration thereof according to Embodiment 2 of the present invention.
- FIG. 11 is a cross-sectional view schematically illustrating a configuration of a heat exchanger 10 according to Embodiment 2 of the present invention.
- FIG. 12 is a flowchart for explaining the steps of heating (steaming) and cooling in Embodiment 2 of the present invention.
- FIG. 13 is a diagram schematically showing a concentrating device and a piping configuration thereof according to Embodiment 3 of the present invention.
- Boil water path liquid path, liquid path for food and drink
- Boil tank (liquid for eating and drinking)
- Boil water (liquid for eating and drinking) Opening of boil tank
- Heat exchange chamber heat medium passage space
- Heat medium path steam path
- Boil water upstream supply pipe Boil water downstream supply pipe Drain pipe
- Boil water downstream supply pipe a temperature sensor
- Heating medium supply pipe for heating (heat medium supply pipe) b Electric open / close valve
- Heat medium outlet pipe 160 conveyor
- boiling waste liquid tank boiling waste liquid tank (boiling tank, processing liquid tank)
- Heating medium supply pipe for heating (steam supply pipe)
- the inventor of the present application wants to solve a problem such as a large amount of steam (steam) generated when hot water is boiled with a boiling device by using a boiling device, which fills the periphery of the device and the entire room. Various studies were repeated. This will be described below.
- a general boil system for example, a steam direct injection system 1000
- steam is supplied from a pipe 1112 connected to a boiler (arrow 1114).
- a sparge pipe 1110 connected to the pipe 1112 is provided at the bottom of the boil tank 1120, and is provided with a sparge pipe.
- -Gino. 1130 steam from the mosquito L1116 of Ip 1110 is introduced into the water of the boiler water 1122, and the boil water 1122 is heated by the heat of the steam 1130.
- a large amount of steam (steam) 1131 is generated on the water.
- a large exhaust duct 1140 is required to process the large amount of steam 1131.
- the inventor of the present application devised an indirect heating boiler different from, for example, a conventional boil system used for boiling a force, and experimented with it, and it worked well.
- the indirect heating boiler uses a heat exchanger 10 as shown in FIG.
- the heat exchanger 10 includes a boil water path 11 and a steam path 12 that are independent of each other. Heat exchange is performed between boil water flowing in the boil water path 11 and heating steam (steam) flowing in the steam path 12. Is to execute.
- the boiler water 2222 circulated between the boilone soda 2220 and the heat exchanger 10 (arrows 2218 and 2218 '), and the water in the heat exchanger 10 was mixed with steam.
- the boil water 2222 is heated by the heat exchange.
- high-temperature stable boil water 2222 can be supplied into the boil tank 2220, and a large amount of steam can be prevented. Therefore, the working environment around the apparatus can be improved, and no steam removal equipment such as outside a large die for removing steam is required.
- Figure 3 shows the relationship between temperature (° C) and heat exchange efficiency (%) for the conventional method (steam direct injection method) 1000 and the indirect heating boil method 2000.
- both the conventional method 1000 and the indirect heating boil method 2000 show a heat exchange efficiency of about 95%, up to a set temperature of the boil water of about 60 ° C. There is no.
- heat exchange with The conversion efficiency gradually decreases and drops to about 50% around 100 ° C. This is because steam (steam) is generated when the temperature of the boil water exceeds 60 ° C, and this generated steam becomes energy loss (area 300 in Fig. 3).
- the indirect-calo heat boiler 2000 high-temperature boil water is supplied to the boil tank, so that such a loss can be suppressed.
- the indirect heating boiler 2000 can reduce the energy cost compared to the conventional system 1000, and has a great advantage in that sense.
- FIG. 4 is a diagram schematically showing a configuration of the indirect heating boiler 100 of the present embodiment
- FIG. 5 is a perspective view partially showing the configuration of the heat exchanger 10 for explaining the configuration of the heat exchanger 10. is there.
- the indirect heating boiler 100 of the present embodiment includes a heat exchanger 10, and the heat exchanger 10 has a boil water path 11 and a steam path 12 that are independent of each other.
- heat exchange is performed between the boil water 42 flowing in the boil water path 11 and the steam (heating steam) flowing in the steam path 12. That is, inside the heat exchanger 10, heat exchange is performed when steam (heat medium) and boil water (heat exchange medium) intersect in a non-contact manner.
- the heat exchanger 10 includes a plurality of boil water paths 11 arranged in an outer shell 14. Is formed.
- the outer shell 14 has a substantially cylindrical shape, and the boil water path 11 is formed of a heat transfer tube.
- the heat transfer tube constituting the boil water path 11 is formed of a material that transfers heat of a heat medium (steam) to a heat exchange target (boil water) in the tube, and is, for example, a metal tube.
- the boil water path (heat transfer tube) 11 extends in the longitudinal direction (axial direction) of the cylindrical shape. In the present embodiment, they are arranged side by side at intervals in the circumferential direction along the axial direction.
- the space between the boil water paths (heat transfer tubes) 11 is a steam path 12 through which the heat medium (steam) passes.
- a boil water piping section 20 (21, 22) is connected to the boil water path 11 of the heat exchanger 10.
- the boil water path 11 is connected to a boil tank 40 via a boil water pipe (23, 25).
- the boiler water 42 in the boiler tank 40 can be circulated through the boil water piping (23, 25) and the heat exchanger 10 (arrows 24, 26).
- a boil water circulation device for example, a pump
- a boil water circulation device 28 must be provided in a part of the route (ie, the boil water pipes (23, 25) and the heat exchanger 10).
- a boil water inflow section 21 is provided on the boil water inflow side, and the boil water inflow section 21 is connected to a boil tank 40 via a boil water supply pipe 23. Therefore, the boil water 42 in the boil tank 40 passes through the boil water supply pipe 23 and enters the boil water piping section 20 (arrow 24). It is convenient to connect the boil water supply pipe 23 to the bottom or the bottom of the boil tank 40.
- a boil water outflow section 22 is provided on the boil water outflow side, and a boil water return pipe 25 is connected to the boil water outflow section 22.
- the boil water 42 (arrow 26) that has exited from the boil water outflow section 22 through the boil water inflow section 21 and the boil water path 11 is returned to the boil tank 40 through the boil water return pipe 25.
- the outlet of the boil water return pipe 25 may be provided above the boil tank 40, the outlet of the boil water return pipe 25 is connected to the boil tank 40 so that the outlet force and steam (steam) are not removed. It is preferable to set in the area where water 42 exists.
- the boil tank 40 has a structure capable of storing the boil water 42 and a structure capable of storing food (eg, marine products or vegetables). Also, when the boil water 42 becomes hot, the steam (steam) coming out of the boil water 42 does not go out of the boil tank 40 so much. In addition, in order to suppress the temperature drop of the boil water 42, it is preferable that the opening 44 of the boil tank 40 has a structure in which a lid can be attached. Even if the opening 44 of the boiler tank 40 is not fitted with a lid, an existing lid may be placed on the boiler soda 40 so as to substantially close the opening 44 of the boiler tank 40. Good.
- the steam path 12 (31, 32) is connected to the steam path 12 of the heat exchanger 10.
- the steam pipe section 30 has a steam inlet section 31 on the steam inlet side, and the steam inlet section 31 is connected to a steam generator (boiler) 50 via a steam pipe 33. Accordingly, the steam 52 enters the steam inlet 31 through the steam pipe 33 (arrow 34).
- a steam discharge section 32 is provided on the steam discharge side, and a steam pipe (steam discharge pipe) 35 is connected to the steam discharge section 32.
- the steam 52 that enters from the steam inflow section 31 and passes through the steam path 12 becomes condensed water slag and exhaust steam), reaches the steam discharge section 32, and also generates the outlet force of the steam pipe 35 (arrow 36).
- This condensed water (or exhaust steam) can be recovered and reused.
- a heating step for example, boiling hot water
- the indirect heating boiler 100 of the present embodiment includes a heat exchanger 10 having a boil water path 11 and a steam path 12, and the boil water path 11 of the heat exchanger 10 is connected to a boil tank 40 for use. Therefore, the boil water 42 can be passed through the heat exchanger 10, heated by heat exchange with steam (heating steam), and introduced into the boil tank 40. As a result, high-temperature stable boil water 42 can be supplied into boil tank 40, and generation of a large amount of steam (see FIG. 1) can be prevented. Therefore, it is possible to improve the working environment around the device and to prevent the occurrence of dew condensation in the room, and to obtain a good working environment in terms of hygiene. This facilitates the work of the workers and leads to higher work efficiency in the boil process.
- a steam removing facility such as a large duct for removing steam is required, so that the facility can be reduced in size and simplified and cost can be reduced. That is, when the indirect heating boiler 100 of the present embodiment is adopted in a new factory, it is not necessary to install a duct, so that a significant cost reduction can be achieved. In addition, maintenance of the duct is not required, which contributes to the reduction of running costs. In addition, existing equipment (existing equipment) Also, the indirect heating boiler 100 can be easily introduced even when it is introduced into the plant because the indirect heating boiler 100 is relatively small and the system is simple.
- a boil tank in which a steam supply pipe (for example, a sparge pipe), a heater and a heat transfer pipe, and the like are not arranged in the boil tank 40
- the inside of 40 can be formed in a simple shape. Therefore, cleaning and maintenance work of the boil tank 40, and furthermore, cleaning and maintenance work of the entire apparatus can be easily performed.
- the use of the indirect heating boiler 100 of the present embodiment makes it possible to reduce the energy cost. It is possible. In the power boil process, energy costs are expected to be reduced by about 10 to 40%.
- the boil water 42 is passed through the heat exchanger 10, heated by heat exchange with the steam 52 and supplied to the boil tank 40, the steam from the boiler is supplied to the boil tank in the boil tank.
- the steam from the boiler is supplied to the boil tank in the boil tank.
- the indirect heating boiler 100 of the present embodiment it is possible to provide a clean boil that does not contain a cleaning agent (high PH agent).
- the boil water 42 in the boil tank 40 can be appropriately stirred because the boil water 42 is circulated and supplied.
- the temperature unevenness of 42 does not occur, and the temperature distribution can be equalized. Therefore, it is possible to uniformly boil foods such as power, and to obtain a high-quality boiled product.
- the indirect heating boiler 100 of the present embodiment also has an effect that the control of the boil temperature is excellent.
- the boil water 42 is heated by heat exchange in the heat exchanger 10, so that the boil water to be set is determined based on the conditions of the steam 52 and the boil water 42 to be introduced and the design of the heat exchanger 10.
- the temperature can be calculated and adjusted with considerable accuracy.
- the conventional boil method in which steam supply pipes, heaters, or heat transfer pipes are arranged in a boil tank to heat boil water, requires sophisticated control of the boil temperature. Is unfamiliar.
- the boil temperature can be controlled in units of ⁇ c in the range of + 10 ° C of the temperature of raw water to about 100 ° C.
- the power boil is boiled is often described as a preferable example, but other food materials can be boiled by the indirect heating boiler according to the embodiment of the present invention.
- Other ingredients include marine products (eg, fish (eg, katsuo), crustaceans (eg, shrimp), shellfish, mollusks (eg, squid, octopus), seaweeds (eg, kelp)), and vegetables (eg, cabbage).
- Plant vegetables such as spinach, root vegetables such as carrots and radishes, and potatoes such as potatoes.
- it may be preferable to wash the rice with hot water, so other foods also include rice
- FIG. 6A is a side view schematically showing the indirect heating boil device 100
- FIGS. 6B and 6C are a top view and a bottom view of the indirect heating boil device 100, respectively.
- piping, valves and check valves are simplified for simplification.
- the indirect heating boiler 100 shown in FIG. 6 has a movable configuration, and a wheel 72 is provided below a frame 70.
- the height H is not more than 2000 mm (typically 1800 mm), and the width W is not more than 1000 mm (typically 900 mm).
- the heat exchanger 10 is installed in the frame 70, and a circulation pump 60 for circulating the boil water (42) is also installed.
- the boil water pipe section 20 (21, 22) is connected to the connection pipe connected to the inlet / outlet of the boil water path (11) in the heat exchanger 10, and to the connection pipe. Extension pipe.
- the boil water inflow section 21 located on the boil water inflow side includes a connection pipe 21a and extension pipes (21b, 21c) connected to the connection pipe 21a.
- a first extension pipe 21b is connected to the boil water inflow section 21, and the first extension pipe 21b is connected to a second extension pipe 21c.
- the first extension pipe 21b in the present embodiment is a flexible pipe.
- the flexible pipe is a pipe that can be bent freely in the form of a bellows. If a flexible pipe is used for the first extension pipe 21b, the pipe can be freely moved, and there is an advantage that the use is convenient.
- the second extension pipe 21c is connected to the boil water supply pipe 23, and the second extension pipe 21c is connected to the circulation pump 60 (see FIG. 6 (c)).
- the circulation pump 60 is connected to the filter 62, and the boiler water 42 goes to the pump 60 through the fin roller 62, and is sent from the pump 60 to the heat exchanger 10.
- the filter 62 since the filter 62 is provided, the boil water 42 can be filtered.
- the second extension pipe 21c has two inlets 21d and 21e, and the inlet 21d is for flowing boil water 42 from the boil tank 40 (see arrow 24), while the inlet 21e Is an inlet for water supply for inflow of water (industrial water) (see arrow 24 ').
- the drain port 2If is a drain outlet for draining the boil water 42 in the heat exchanger 10 (see FIG. 6 (c)).
- the boil water outflow portion 22 located on the boil water outflow side includes a connection pipe 22a and an extension pipe 22b connected to the connection pipe 21a.
- the extension pipe 22b is provided with a hydraulic temperature control valve (hydraulic temperature control valve) 22d.
- a hydraulic temperature control valve 22d hydraulic temperature control valve 22d
- the temperature rise (temperature) is detected, and the steam inflow amount is controlled, whereby the temperature can be controlled.
- the extension pipe 22b may be provided with a meter 22e for displaying a state (for example, temperature or flow rate) of the boiled water 42 flowing out.
- the end of the extension pipe 22b is connected to the boil water return pipe 26.
- a steam inflow section 31 is connected to the steam inflow side.
- the steam discharge section 32 is connected to the discharge side.
- the steam inflow section 31 includes a connection section 31a and a steam extension pipe 31b, and a steam pipe 33 is connected to a tip 31d of the steam extension pipe 31b. Since the steam pipe 33 is connected to the boiler (50), the steam (52) is introduced as indicated by an arrow.
- the steam discharge section 32 includes a connection section 32a and a steam discharge extension pipe 32b, and the steam discharge extension pipe 32b is connected to a steam pipe 35.
- the steam discharge extension pipe 32b is provided with a meter 31e indicating the state of steam (for example, pressure).
- the steam pipe 35 is a waste steam drain pipe and is made of, for example, a heat-resistant hose.
- the outlet of the steam pipe 35 can be put in a container 37 such as a bucket or a tank, for example, and the heat (excess heat) from the outlet of the steam pipe 35 is used to heat the container 37 in a heating process (such as boiling). It is also possible to execute
- connection pipe 21a and the extension pipes 21b and 21c, and the connection pipe 22a and the extension pipe 22b are configured as shown in FIG. 6, but the connection pipe 21a and the extension pipe 21b, Alternatively, the connection pipe 22a and the extension pipe 22b may be integrally formed, and the boil water pipes (23, 25) may be connected thereto.
- the connecting pipe and the extension pipe are integrally formed, it is also possible to call it a connection pipe and the boil water pipe (23, 25) as an extension pipe. It is also possible to adopt a configuration in which the extension pipe and the boil water pipe (23, 25) are integrally formed and connected to the connection pipe (21a, 22a).
- the steam inflow section 31a and the steam extension pipe 31b may be formed integrally, or the steam pipe 33 and the steam extension pipe 31b may be formed integrally.
- the connecting portion 32a and the steam discharge extension pipe 32b may be formed integrally, or a configuration in which the steam discharge extension pipe 32b and the steam pipe 35 are formed integrally may be employed.
- the indirect heating boiler 100 shown in Fig. 6 is small and has a movable structure, so that it is very convenient to install it in a factory. In addition, since the circulation pump 60 is also mounted, the usage is increased accordingly.
- FIG. 7 is a block diagram showing the indirect heating boiler according to the present embodiment and its piping configuration.
- the boil apparatus shown in FIG. 7 is an indirect heating boil apparatus for boiling the power unit, and includes a heat exchanger 10, a boil tank 120 for boiling the power unit, and a plurality of pipes connecting these. And various valves provided on the piping as basic components.
- the heat exchanger 10 in this example has a cylindrical outer shell 14, as shown in FIG.
- a processing liquid inlet 111a and a processing liquid outlet 112a are provided at the upper end of the outer shell 14, and a heat medium inlet 11 lb and a heat medium outlet 112b are provided at upper and lower positions on the peripheral side wall.
- a processing liquid inlet chamber 113 and a processing liquid outlet chamber 114 which are independent from each other, are provided inside the heat exchanger 10.
- a processing liquid intermediate chamber 117 is provided at the lower end, and a heat exchange chamber 115 is provided at the intermediate part.
- the processing liquid inlet 111a communicates with the processing liquid inlet chamber 113, and the processing liquid outlet 112a communicates with the processing liquid outlet chamber 114.
- the heat medium inlet 11 lb and the heat medium outlet 112b are connected to the heat exchange chamber 115, respectively.
- a number of heat transfer tubes 116 along the axial direction (that is, the vertical direction on the paper) are arranged in parallel at intervals in the row direction.
- the heat transfer tube 116 communicates between the processing liquid inlet chamber 113 and the processing liquid intermediate chamber 117, and between the processing liquid intermediate chamber 117 and the processing liquid outlet chamber 114, respectively.
- the treatment liquid path (boil water path) 11 is constructed by the heat transfer tube 116.
- a heat medium path (steam path) 12 is constructed by the space of the heat exchange chamber 115 located between the heat transfer tubes 116. That is, in the present embodiment, the treatment liquid path is formed by the heat transfer tube 116, and the heat medium path is formed in the heat exchange chamber 115.
- the processing liquid such as boil water introduced into the processing liquid inlet chamber 113 through the processing liquid inlet 111a passes through the corresponding heat transfer pipe 116, and the processing liquid intermediates. Introduced into room 1 17. Then, the processing liquid in the processing liquid intermediate chamber 117 is introduced into the processing liquid outlet chamber 114 through the corresponding heat transfer tube 116, and flows out from the processing liquid outlet 112a.
- the heat medium such as steam for heating
- the heat medium inlet 11 lb flows out of the heat medium outlet 112b through the outside of the heat transfer tube 116 in the heat exchange chamber 115.
- the heat is exchanged between the processing liquid passing through the heat transfer tube 116 and the heat medium passing through the heat exchange chamber 115, so that The processing liquid such as water is heated.
- the treatment liquid inlet 111 a of the heat exchanger 10 is connected to the outflow end of the boil water downstream supply pipe 122, and the inflow end of the supply pipe 122. Is connected to the outlet of the first three-way switching valve 171 that is electrically controlled.
- the boil water downstream supply pipe 122 is provided with a pump 122b for sending out boil water and the like in the pipe.
- the outflow-side end of the boil water upstream supply pipe 121 is connected to the one-side inflow port of the first three-way switching valve 171.
- the inflow end of the supply pipe 121 is connected to the outlet of the boil tank 120.
- the boil water upstream supply pipe 121 is provided with an on-off valve 121a and a pump 121b for sending out boil water and the like in the pipe.
- the pump water upstream supply pipe 121 is provided with a drainage pipe 123 and a boil waste liquid recovery pipe 124 in a branched shape, and the pipes 123 and 124 are provided with on-off valves 123a and 124a, respectively.
- the boil water in the boil tank 120 is supplied to the boil water upstream supply pipe 121 and the downstream side.
- the supply pipe 122 Through the supply pipe 122, it is introduced into the processing liquid path 116 (11) of the heat exchanger 10.
- a boil water supply pipe line is formed by the boil water upstream supply pipe 121 and the boil water downstream supply pipe 122.
- a water supply pipe 125 for supplying water (boil water) such as clean water to the boil tank 120 has an outflow-side end corresponding to the inside of the boil tank 120 and an inflow-side end. Section is connected to water source 2.
- the inflow side end of the water supply branch pipe 126 is connected to the middle of the water supply pipe 125, and the outflow side end of the water supply branch pipe 126 is connected to the other side inlet of the first three-way switching valve 171.
- the water supply pipe 125 and the water supply branch pipe 126 are provided with on-off valves 125a and 126a, respectively.
- the treatment liquid outlet 112a of the heat exchanger 10 is connected to the inflow end of the boil water upstream return pipe 131. Are connected.
- the outflow end of the return pipe 131 is connected to the inflow port of the second three-way switching valve 172.
- the one-side outlet of the second three-way switching valve 172 is connected to the inflow-side end of the boil water downstream return pipe 132, and the outflow-side end of the return pipe 132 corresponds to the inside of the boil tank 120. Be placed.
- a discharge pipe 133 is connected to the other side outlet of the second three-way switching valve 172.
- the boil water return pipe is constituted by the boil water upstream return pipe 131 and the boil water downstream return pipe 132.
- the return pipe, the above-mentioned boil water supply pipe, the pumps 12 lb, 122 b and the like constitute a boil water circulation means.
- An outlet end of a heating medium supply pipe 141 is connected to the heating medium inlet 111b of the heat exchanger 10, and an inflow side of the supply pipe 141 is connected to a heating medium as a heating medium. It is connected to the heating steam supply source 1 to which the heating steam is supplied.
- the heating-medium supply pipe 141 is provided with a main valve 141a and an electric on-off valve 141b. When these valves 141a and 141b are opened, the heating steam supplied from the heating steam supply source 1 passes through the heating heat medium supply pipe 141 and enters the heat medium path 115 (12) of the heat exchanger 10. be introduced.
- a temperature control valve 141c is provided near the heat medium inlet of the heat exchanger 10 in the heat medium supply pipe 141 for heating. Further, a temperature sensor 131a is provided in the boil water upstream return pipe 131 near the treatment liquid outlet of the heat exchanger 10. By providing them, the driving of the temperature control valve 141c can be controlled based on the output information from the temperature sensor 131a during the boil processing and the cleaning processing described later, and the supply amount of the heating steam can be adjusted. As a result, the temperature of the boil water and the washing water can be maintained at an appropriate temperature.
- the heat medium outlet 112b of the heat exchanger 10 is connected to the inflow side end of the heat medium outlet pipe 145. Thus, the steam drain flowing out of the heat medium outlet 112b is discharged to a predetermined location through the heat medium outlet pipe 145.
- the boil tank 120 is provided with a discharge on-off valve 120a for discharging water in the tank. Further, a conveyor 160 is arranged inside the boil tank 120. As a result, the boiled products such as the returnable box 165 put on the conveyor 160 from one end of the boil tank 120 are conveyed to the conveyor 160, and after a lapse of a predetermined time, the boil tank 120 has the other end. I can take it out of
- boil water is stored in boil tank 120 (step S 101).
- the on / off valves 120a, 123a, 124a for drainage and the like and the on / off valve 121a of the boil water upstream supply pipe 121 are closed, and the on / off valve 125a of the water supply pipe 125 is opened.
- boil water such as clean water is introduced from the water supply source 2 through the water supply pipe 125 into the boil tank 120 and stored therein.
- the power using the direct water supply method in which the water from the water supply source 2 is directly introduced into the boil tank 120 is used.
- An indirect water supply system in which the heat is passed through the heat exchanger 10 and then introduced into the boil tank 120 may be employed.
- step S102 When a predetermined amount of boil water is stored in boil tank 120 in this way, preliminary circulation processing is performed (step S102).
- the opening and closing valve 121 a of the boil water upstream supply pipe 121 is opened, and the pump 121 b While driving 122b, the on-off valves 141a and 141b of the heating medium supply pipe 141 are opened.
- the boil water stored in the boil tank 120 passes through the boil water supply pipes 121 and 122 and is introduced into the heat exchanger 10 from the processing liquid inlet 111a.
- the boil water introduced into the heat exchanger 10 flows through the processing liquid path 1 16 (11) and exits from the processing liquid outlet 112a. Then, it returns to the Boynolene soda 120 through the Boynore water return pipes 131 and 132. Thus, the boil water circulates between the boil tank 120 and the heat exchanger 10.
- the heating steam supplied from the steam supply source 1 passes through the heating medium supply pipe 141, is introduced into the heat exchanger 10 from the heating medium inlet 111b, and passes through the heating medium path of the heat exchanger 10. Flow through 115 (12).
- the heating steam exchanges heat with the boil water passing through the treatment liquid path 116 (11) of the heat exchanger 10, thereby heating the boil water while being cooled and condensed.
- the condensed heat medium for heating flows out of the heat exchanger 10 and passes through the heat medium outlet pipe 45 to be discharged and collected at a predetermined location.
- step S103 boil processing is executed (step S103). That is, in the example shown in FIG. 7, one end of the conveyor 160 is loaded in a state where it is housed in a box 165 or the like through which a force is passed. As a result, the force 2 passes through the hot boil water and is boiled while being conveyed to the conveyor 160. Then, the force 2 is conveyed to the other end of the conveyor 160 and is sufficiently boiled, and then pulled up from the other end of the conveyor 160 to the outside of the boil tank 120.
- boil waste liquid collection pipe 124 is opened to collect boil water (boil waste liquid).
- the boiled waste liquid thus collected may be discarded, but rather, it is preferably used as a food and drink product that does not need to be discarded because the power extract is dissolved therein.
- a steaming treatment may be performed. An example of the steaming process will be described later.
- the apparatus After collecting the boil waste liquid, the apparatus is washed (steps S 105 to S 107).
- the boil tank 120 and the like are manually washed (step S 105). Thereafter, the inside of the device circuit is washed with hypochlorite, sterilized, deodorized, etc. (Step S106). At this time, water (wash water) is supplied into the boil tank 120 by, for example, an indirect water supply method.
- the on-off valves 120a, 123a, and 124a for drainage and the like and the on-off valve 121a of the boil water upstream supply pipe 121 are closed, and the first three-way switching valve 171 is moved to the water supply side. Switch the second three-way switching valve to the boiling tank side. Further, with the on-off valve 125a of the water supply pipe 125 closed, the on-off valve 126a of the water supply branch pipe 126 is opened, and the heating medium supply pipe 141 is opened. Open the on-off valves 141a and 141b.
- the water (wash water) supplied from the water supply source 2 is introduced into the heat exchanger 10 through the water supply pipe 125, the water supply branch pipe 126, and the boil water downstream supply pipe 131, and Flow through path 116.
- the washing water is heated by being exchanged with the heating steam introduced into the heating medium path 115 of the heat exchanger 10 through the heating medium supply pipe 141.
- the water is supplied to the boil tank 120 through the boil water return pipes 131 and 132.
- water is supplied to the boil tank 120 by an indirect water supply method.
- the present invention is not limited to this.
- Water may be supplied to the boil tank 120.
- a combined water supply system is used in which the indirect water supply system and the direct water supply system are used in parallel, that is, while the on-off valve 125a of the water supply pipe 125 is opened to supply water directly to the boil tank 120, and also to perform indirect water supply at the same time. You may do it.
- the water may be supplied using not only the direct water supply method but also an indirect water supply method or a combined direct and indirect water supply method.
- step S107 the inside of the device circuit is washed by passing water. That is, in the example shown in FIG. 7, water is introduced from the water supply source 2 into the boil tank 120 through the water supply pipe 125 and stored, and the water is stored between the boil tank 120 and the heat exchanger 10 in the same manner as described above. To circulate. Then, after circulating for a predetermined time, the water in the circuit is discharged. This completes the water washing and completes a series of processes.
- the boil water is transferred to the heat exchanger 1
- the boiler 120 is heated by heat exchange with heating steam and introduced into the boil tank 120, so that high-temperature, stable boil water can be supplied into the boil tank 120, and a large amount of steam can be supplied. Occurrence can be reliably suppressed. Therefore, the working environment around the device can be improved, the occurrence of dew condensation in the room can be effectively prevented, and a working environment excellent in hygiene can be obtained.
- a large amount of steam is not generated, a large exhaust duct for removing the steam is required, so that the equipment can be reduced in size and simplified and the cost can be reduced.
- an electrically operated on-off valve and a switching valve are employed, and a temperature sensor, a pressure sensor, a water level sensor, and the like are provided at appropriate locations, and further, each sensor is provided.
- control means for controlling the driving of the drive units such as valves and pumps based on output information from the controller, preset time, input information from the operator, etc.
- Each processing operation such as a cleaning process can be automatically performed.
- the cooling system for supplying the cooling heat medium (cold water) to the steam pipe section 30 (31) together with the steam pipe 33 is provided.
- This can be realized by connecting heat medium piping.
- a switching valve that can switch the flow path between the steam pipe 33 and the cooling heat medium pipe (not shown) and the connection is provided, and by switching the switching valve, the cooling heat medium pipe is connected. If cold water is introduced into the heat exchanger 10, the cold water flows through the heat medium path 12 (original steam path) of the heat exchanger 10. The cold water exchanges heat with the boil water 42 flowing through the boil water path 11 in the heat exchanger 10 to cool the boil water.
- the indirect heating boiler 100 as a device for cooling the boil water
- the boil water used in the boil process (The cooling process when boiled waste liquid) is converted into a liquid for eating and drinking becomes very easy. That is, cooling can be performed by circulating between the boil tank 40 and the heat exchanger 10 without transferring the high-temperature boil water 42 from the boil tank 40 to a predetermined cooling device.
- the cooling process of the boil waste liquid can be performed continuously after the boil process, so that the effect is extremely large.
- the indirect heating boil apparatus 100 (see, for example, FIG. 4) of the first embodiment is used to heat and concentrate the boil waste liquid and then switch to the function of the boil water cooling device. Then, the high-temperature boil waste liquid may be cooled by the boil water cooling device of the present embodiment and then concentrated by a predetermined concentration device.
- the boil water cooling device of the present embodiment can be used as an indirect heating / cooling device that heats and cools a food and drink liquid that only cools boil water. That is, the configuration of the indirect heating / cooling device of the present embodiment will be described as follows by using the examples shown in FIGS. 4 and 5.
- the indirect heating and cooling device of the present embodiment includes a heat exchanger 10 and a food and drink liquid container 40 in which a food and drink liquid 42 is stored.
- the heat exchanger 10 has a food and drink liquid path 11 and a heat medium path 12 that are independent of each other, and flows through the food and drink liquid 42 and the heat medium path 12 that flow through the food and drink liquid path 11 in the heat exchanger 10. Heat exchange is performed with the heat medium 52.
- the food and drink liquid path 11 of the heat exchanger 10 and the food and drink liquid container 40 are connected by a food and drink liquid pipe (23, 25).
- the heat medium passage 12 of the heat exchanger 10 includes a high-temperature heat medium pipe 33 for flowing a high-temperature heat medium (for example, steam 52) and a low-temperature heat medium pipe (not shown) for flowing a low-temperature heat medium (for example, cold water). ) And are connected.
- a switching valve (not shown) for switching the connection between the high-temperature heat medium pipe 33 and the low-temperature heat medium pipe (not shown) is provided. Is provided.
- the liquid for eating and drinking 42 may be broth or steamed soup of Rikiji as described above, or may be soup or soup or sauce or soup.
- steam is used as the high-temperature heat medium (heating medium) and cold water is used as the low-temperature heat medium (cooling medium).
- hot water may be any water that can cool the processing liquid (liquid for eating and drinking) 42, and is typically ice water (industrial water).
- tap water tap water
- Other cooling media include saline brine (eg, brine at or below about -5 ° C).
- the food and drink liquid 42 is circulated between the food and drink liquid container 40 and the heat exchanger 10 while being switched by the switching valve.
- the high-temperature heat medium (heating medium for heating) and the low-temperature heat medium (heat medium for cooling) can be sequentially supplied to the heat exchanger 10. Therefore, a series of heating and cooling processes without transferring the food and drink liquid 42 can be performed, and as a result, production efficiency can be improved.
- FIG. 10 is a block diagram showing a boil water cooling device or an indirect heating / cooling device of the present embodiment and a piping configuration thereof.
- boiled liquid waste such as juice and steamed juice is heated and seasoned at the rinser of the radish discharged when the boiler is boiled with hot water by the above-described boiler. Can be cooled.
- the indirect heating and cooling device shown in Fig. 10 includes a heat exchanger 10 and a boil waste liquid tank 220 in which boil waste liquid (for example, juice from a power plant) is stored.
- the boil waste liquid tank 220 can be the same as the boil tank 40 shown in FIG. 4 or the boil tank 120 shown in FIG.
- a secondary cooling heat medium tank 230 in which a secondary cooling heat medium is stored is also provided.
- a plurality of pipes connecting these and various valves provided on the pipes are also included. Is shown.
- the heat exchanger 10 has a cylindrical outer shell 14, and at both upper and lower ends of the outer shell 14, a processing liquid inlet 111a and a processing liquid outlet 112a, Further, a processing liquid inlet / outlet chamber (113, 114) is provided. Further, a heat medium inlet 111b and a heat medium outlet 112b are provided at upper and lower positions on the peripheral side wall.
- the heat exchanger 10 shown in FIG. 11 is different in that the processing liquid inlet 111a and the processing liquid outlet 112a are provided on different sides instead of the same side.
- the heat exchanger 10 shown in FIG. 8 can be used, and in the configuration of the above-described embodiment, the heat exchanger 10 shown in FIG. 11 can be used. is there.
- the treatment liquid inlet 111a of the heat exchanger 10 is connected to the outflow end of the boil waste liquid downstream supply pipe 222, and the inflow end of the supply pipe 222 is It is connected to the one-side outlet of the first three-way switching valve 271 of the electric control type.
- the inflow side end of the boil waste liquid upstream supply pipe 221 is connected to the inflow port of the first three-way switching valve 271.
- the inflow side end of the supply pipe 221 is connected to the boil waste liquid tank 220 Connected to exit.
- the boil waste liquid upstream supply pipe 221 is provided with a pump 221a for sending out the boil waste liquid in the boil waste liquid tank 220 into the supply pipe 221.
- the boil waste liquid downstream supply pipe 222 has a thermometer. 222a is provided.
- the boil waste liquid tank is in a state where the first three-way switching valve 271 is switched to the recovery pipe 226 side.
- the boil waste liquid and washing water (water) in 220 are collected or discharged to a predetermined location through a boil waste liquid upstream supply pipe 221 and a recovery pipe 226.
- a heat exchange tube 281 such as an economizer is disposed inside the boil waste liquid tank 220 as a residual heat utilization pipeline. This allows the cooling medium to pass through the heat exchange tube 281. Then, the heat medium and the boil waste liquid in the boil waste liquid tank 220 can exchange heat. Note that a water level gauge 220a for detecting the water level in the tank is provided in the boiling waste liquid tank 220.
- the treatment liquid outlet 112a of the heat exchanger 10 is connected to the inflow side end of the boil waste liquid return pipe 223 as a boil waste liquid return pipe, and the outflow side end of the pipe 223 is connected to It is located in the waste liquid tank 220. Accordingly, the boil waste liquid in the boil waste liquid tank 220 flows into the heat exchanger 10 via the boil waste liquid supply pipes 221 and 222, and the boil waste liquid discharged from the heat exchanger 10 passes through the return pipe 223. And returned to the boiling waste liquid tank 220. Boil waste liquid can circulate between the boil waste liquid tank 220 and the heat exchanger 10.
- a boil waste liquid circulation means is constituted by a pipe bank between the boil waste liquid tank 210 and the heat exchange path 10, the pump 221a, and the like.
- the boil waste liquid return pipe 223 is provided with a temperature sensor 223a, a thermometer 223b, and a thermostat 223c.
- the heat medium inlet 111b of the heat exchanger 10 is connected to the outlet end of the heat medium inlet pipe 242, and the inlet end of the heat medium inlet pipe 242 is electrically controlled.
- the outflow end of the heating medium supply pipe 241 is connected to one inflow port of the second three-way switching valve 272, and the inflow end of the supply pipe 241 serves as a heating medium as a heating medium. It is connected to a heating steam supply source 201 to which heating steam is supplied.
- the heating heat medium supply pipe 241 is provided with a main valve 241a, an electrically controlled on-off valve 24lb, and an electrically controlled temperature adjusting valve 241c.
- the heating heat medium supply pipe 241 and the heating medium inflow pipe 242 constitute a heating heat medium supply pipe.
- the second three-way switching valve 272 is switched to the heating steam side (heating medium side), and the heating steam is introduced into the heat exchanger 10 through the supply pipe 241 and the inflow pipe 242. It is configured to be.
- the outflow-side end of the shared cooling medium pipe 255 is connected to the other-side inflow port of the second three-way switching valve 272, and the inflow-side end of the shared pipe 255 is electrically controlled. It is connected to the outlet of the third three-way switching valve 273.
- the one-side inlet of the third three-way switching valve 273 is connected to the outlet side end of the primary cooling heat medium supply pipe 251, and the inlet side end of the supply pipe 251 is connected to the primary cooling Water supply source to which industrial water (water) is supplied as heat medium 202 It is connected to the.
- the primary cooling heat medium supply pipe 251 is provided with a main valve 251a, and the cooling heat medium shared pipe 255 is provided with a thermometer 255a.
- a primary cooling heat medium supply pipe 251, a cooling heat medium shared pipe 255, and a heat medium inflow pipe (142) constitute a primary cooling heat medium supply pipe.
- the second and third three-way switching valves 272 and 273 are switched to the water side (primary cooling heat medium side), respectively. It is configured to be introduced into the heat exchanger 10 through the heat medium supply pipe 251, the cooling medium common pipe 255, and the heat medium inflow pipe 252.
- the secondary cooling heat medium tank 230 is for storing a secondary cooling heat medium made of so-called brine ice or the like, such as an aqueous solution of sodium chloride or an aqueous solution of calcium chloride, in addition to ice water.
- the outlet of the heat medium tank 230 is connected to the inflow end of the secondary cooling heat medium upstream supply pipe 252, and the outflow end of the supply pipe 252 is electrically controlled. It is connected to the inflow port of the fourth three-way switching valve 274.
- a pump 252a for feeding the heat medium in the heat medium tank 230 to the supply pipe 252 is provided.
- the inflow side end of the secondary cooling heat medium downstream supply pipe 253 is connected to one side outlet of the fourth three-way switching valve 274, and the outflow side end of the supply pipe 253 is connected to the third side.
- the three-way switching valve 273 is connected to the other inlet.
- the secondary cooling heat medium supply pipe is constituted by the secondary cooling heat medium supply pipes 252 and 253, the cooling heat medium shared pipe 255, and the heat medium inflow pipe 242.
- the second to fourth three-way switching valves 272, 273, and 274 are switched to the ice water side (secondary cooling heat medium side), and the ice water and the like are cooled by the second cooling heat.
- the heat medium is introduced into the heat exchanger 10 through the medium supply pipes 252 and 253, the cooling medium shared pipe 255 and the heating medium inflow pipe 242.
- a drain pipe 256 is connected to the other outlet of the fourth three-way switching valve 274.
- the heat medium in the heat medium tank 230 ⁇ washing water (water) described later is supplied with the secondary cooling heat medium upstream supply pipe 252 and the drain pipe. It is discharged to the designated place through 256.
- the inflow side end of the water introduction pipe 257 is branched so as to branch to the pipe.
- the outflow end of the water introduction pipe 257 is disposed in the secondary cooling heat medium tank 230.
- the water introduction pipe 257 is provided with an electrically controlled open / close valve 257a. When the valve 257a is open, the primary cooling heat medium supply pipe 251 and the water introduction pipe 257 pass through. Then, industrial water is introduced into the secondary cooling heat medium tank 230.
- the heat medium tank 230 is provided with a water level gauge 230a for detecting a water level in the tank.
- a heat medium outlet pipe 243 is connected to the heat medium outlet 112b of the heat exchanger 10, and the outlet side end force of the pipe 243 is connected to the inlet of an electrically controlled fifth three-way switching valve 275. It has been done.
- a steam drain drainage pipe 244 is connected to one outlet of the fifth three-way switching valve 275, and the fifth three-way switching valve 275 is switched to the drainage pipe 244 side during the steaming heat treatment described below, so that the heat is discharged.
- the steam drain (heat medium for heating) condensed in the exchanger 10 is discharged to a predetermined location through the heat medium outlet pipe 243 and the drain pipe 244.
- the steam drain drain pipe 244 is provided with a steam trap 244a, and the trap 244a can remove a gas phase heat medium (steam) from the heat medium passing through the drain pipe 244. .
- the other side outlet of the fifth three-way switching valve 275 is connected to the inflow side end of the cooling heat medium return pipe 245, and the outflow side end of the pipe 245 is connected to the processing liquid tank 220. It is connected to the inlet of the heat exchange tube 281 inside.
- the inflow end of the cooling heat medium return pipe 246 is connected to the outlet of the heat exchange tube 281, and the outflow end of the pipe 246 is connected to the electrically controlled sixth three-way switching valve 276. It is connected to the inlet.
- thermometers 245a and 246a are provided in the cooling heat medium return pipes 245 and 246, respectively.
- a drain pipe 247 is connected to one outlet of the sixth three-way switching valve 276, and a sprayer 280 such as a sparge pipe is connected to the other outlet of the sixth three-way switching valve 276. I have.
- the sprayer 280 is arranged on the flow surface of the secondary cooling heat medium tank 230.
- the fifth three-way switching valve 275 is switched to the return pipe side, and the sixth three-way switching valve 276 is switched to the drain pipe 247 side.
- the water (heat medium for primary cooling) flowing out of the heat exchanger 10 passes through a cooling medium return pipe 245, a heat exchange tube 281, a cooling heat medium return pipe 246, and a drain pipe 247. Is discharged to a predetermined location.
- the fifth three-way switching valve 275 is switched to the return pipe 245 side.
- the sixth three-way switching valve 275 is switched to the secondary cooling heat medium tank 230 side.
- the secondary cooling heat medium such as ice water
- the secondary cooling heat medium flowing out of the heat exchanger 10 passes through the cooling medium return pipe 245, the heat exchange tube 281, the cooling medium return pipe 246, and the sprayer 280. Is returned to the heat medium tank 230.
- the secondary cooling heat medium circulates between the heat medium tank 230 and the heat exchanger 10.
- the sprayer 280 has a discharge port composed of a number of small holes.
- the heat medium for secondary cooling is discharged from the discharge port into the heat medium tank 230 in the form of a mist.
- the heat of vaporization of the medium is absorbed by the outside air, and the heat medium is automatically maintained at a low temperature.
- a pipe group between the heat medium tank 230 and the heat exchanger 10, the pump 252a, and the like constitute a heat medium circulating means for secondary cooling.
- the heat medium switching means is constituted by the first to sixth three-way switching valves 271 276 and the electric on-off valve 241b.
- an input means such as an operation panel for inputting various information such as an operation start command, and an operation start command obtained through the input means are provided in response to the input means.
- control means for controlling the operation of each of the electric valves and the pumps based on the output information of the water level gauges 220a and 230a, the output information of the temperature sensor 223a, and the like, which are operated for a predetermined time, and the like.
- the boil waste liquid discharged from the boiler when the boiler is boiled with hot water is poured into the boil waste liquid tank 220, A secondary cooling heat medium such as ice water is stored in the secondary cooling heat medium tank 230. Further, the main valves 241a and 251a of the heating medium supply pipe 241 for heating and the heating medium supply pipe 251 for primary cooling are opened. In this state, when an operation start command is given by a switch operation on the operation panel, the control means operates, and as shown in FIG. 12, first, the steaming heating process (S210) is automatically executed.
- the boil tank 40 or 120 becomes the boil waste liquid tank 220.
- the boil waste liquid tank 220 will be referred to as a food and drink liquid container.
- the treatment liquid circulation step (S211) is started.
- the opening / closing valve 227a of the water introduction pipe 227 is closed on the treatment liquid circuit side.
- the first three-way switching valve 271 is switched to the heat exchanger side in the state of being twisted, and the pump 221a is driven.
- the processing liquid in the boil waste liquid tank 220 is introduced into the heat exchanger 10 through the boil waste liquid supply pipes 221 and 222, and flows through the processing liquid path 116 (11) in the heat exchanger 10. , And exits the heat exchanger 10.
- the boil waste liquid flowing out of the heat exchanger 10 is returned to the boil waste liquid tank 220 through the boil waste liquid return pipe 223.
- the waste boil liquid is circulated between the boil waste tank 220 and the heat exchanger 10.
- the steam supply step (S212) is also started. That is, on the heat medium circuit side, the open / close valve of the heat medium supply pipe 241 for heating is opened, and the second three-way switching valve 272 is switched to the steam side for heating. Further, the fifth three-way switching valve 275 is switched to the steam drain drain side. Thereby, the heating steam as the heating heat medium is introduced into the heat exchanger 10 through the heating heat medium supply pipe 241 and the heat medium inflow pipe 242, and the heat medium path 1 in the heat exchanger 10 15 Flow (12).
- the heating steam as a heating heat medium exchanges heat with the boil waste liquid passing through the treatment liquid passage 116 of the heat exchanger 10, thereby being cooled and condensed, thereby causing boil. Heat the waste liquid.
- the heat medium for heating condensed in this way flows out of the heat exchanger 10 and is discharged to a predetermined location through the heat medium outlet pipe 243 and the drain pipe 244.
- the circulating boil waste liquid (liquid for eating and drinking) is steam-heated by heating steam, and the temperature of the boil waste liquid is raised, for example, from 5 ° C to about 95 ° C.
- seasonings and flavors are added to the treatment tank as needed to season and flavor the boil waste liquid.
- the driving of the temperature control valve 241c is controlled based on the output information from the temperature sensor 223a, so that the temperature of the boiling waste liquid is maintained at an appropriate temperature. The supply is adjusted.
- the steaming heat treatment is completed by stopping the supply of steam after a preset time has elapsed (step S213).
- the boil waste liquid is circulated between the boil waste liquid tank 220 and the heat exchanger 10 on the processing liquid circuit side in the same manner as described above.
- the on-off valve 241b of the steam supply pipe 241 is closed, and the second and third three-way switching valves (272, 273) are switched to the water supply side.
- the fifth three-way switching valve 275 is switched to the return pipe side (anti-steam drainage side), and the sixth three-way switching valve 276 is switched to the water drainage side.
- the water supply is started (step S221).
- water as the primary cooling heat medium is introduced into the heat exchanger 10 through the primary cooling heat medium supply pipe 251, the cooling heat medium shared pipe 255, and the heat medium inflow pipe 242, and heat exchange is performed. It flows through the heat medium path 115 in the vessel 10. During this flow, the processing liquid is cooled by heat exchange between the boil waste liquid passing through the processing liquid path 116 of the heat exchanger 10 and the water.
- the water discharged from the heat exchanger 10 flows through the heat exchange tube 281 in the treatment liquid tank 220 through the cooling medium return pipe 245, and the water in the tube 281 and the boil waste liquid.
- the boil waste liquid in the tank 220 exchanges heat.
- the processing liquid is efficiently cooled by utilizing the residual heat of the water.
- the water flowing through the heat exchange tube 281 is discharged to a predetermined location through a cooling medium return pipe 246 and a drain pipe 247.
- the boil waste liquid is cooled, for example, from 95 ° C to about 60 ° C. Further, the primary cooling process is completed when the supply of water is stopped after a preset time has elapsed (step S222).
- the primary cooling process (S220) is characterized in that a cooling medium (such as water) flows in a path in which the heating medium (steam) was flowing in the steaming heating process (S210).
- a cooling medium such as water
- the heating process and the cooling process can be performed by one device without separately providing the heating device and the cooling device.
- a secondary cooling process (S230) is executed.
- the treatment liquid is circulated between the boil waste liquid tank 220 and the heat exchanger 10 on the treatment liquid circuit side in the same manner as described above.
- step S221 On the other hand, on the heat medium circuit side, while the on-off valve 241b of the steam supply pipe 241 is kept closed, the fourth three-way switching valve 274 is switched to the heat exchanger side, and the third three-way switching valve 273 is And the second three-way switching valve 272 is switched to the ice water side (water side). Further, the fifth three-way switching valve 275 is switched to the return pipe side, and the sixth three-way switching valve 276 is switched to the secondary cooling heat medium tank side. In this state, the pump 252a is driven. This Then, the circulation of ice water is started (step S221).
- ice water as the secondary cooling heat medium is introduced into the heat exchanger 10 through the secondary cooling heat medium supply pipes 252 and 253, the cooling heat medium shared pipe 255, and the heat medium inflow pipe 242. Then, it flows through the heat medium path 115 in the heat exchanger 10. During this flow, the processing liquid is further cooled by heat exchange between the boil waste liquid passing through the processing liquid path 116 of the heat exchanger 10 and the ice water.
- the ice water flowing out of the heat exchanger 10 passes through the heat exchange tube 245 for cooling, flows through the heat exchange tube 281 and efficiently cools the boil waste liquid in the boil waste liquid tank 220.
- the ice water flowing through the heat exchange tube 281 is released through the cooling heat medium return pipe 246 into the sprayer 280, and is returned into the ice water tank 230. Note that, as described above, the ice water discharged from the sprayer 280 is maintained at a low temperature by absorbing heat of vaporization.
- the treatment liquid is cooled, for example, from 60 ° C to about 5 ° C.
- the secondary cooling process is completed by stopping the circulation of the ice water and the processing liquid after a preset time has elapsed (step S232, step S233).
- This secondary cooling process (S230) is also characterized in that a cooling medium (such as ice water) flows through the path in which the heating medium (steam) was flowing in the steaming heating process (S210).
- a cooling medium such as ice water
- Heating and cooling can be performed by a single device without separately providing a heating device and a cooling device.
- Heating, primary cooling, and secondary cooling should be performed by a single device without separately providing a heating device, a primary cooling device, and a secondary cooling device.
- Power S can.
- the first three-way switching valve 271 is switched to the recovery side (drainage side), and the pump 221a is driven.
- the boil waste liquid stored in the boil waste liquid tank 220 is recovered (discharged) to a predetermined location through the boil waste liquid supply pipe 221 and the recovery pipe 226 (step S241).
- the water level in boil waste liquid tank 220 is detected based on the output information from water level gauge 220a, and when the water level in boil waste liquid tank 220 becomes the "lowest level", the recovery processing is performed. Complete.
- the boil waste liquid circuit-side tank cleaning process (S250) is automatically executed.
- the first three-way switching valve 271 on the boil waste liquid circuit side is switched to the circulation side, and the opening / closing valve 227a of the water introduction pipe 227 is opened.
- water as a cleaning liquid is introduced into the boil waste liquid tank 220, and the cleaning liquid is sufficiently stored in the boil waste liquid tank 220 (step S251).
- the on-off valve 227a is closed, and then the pump 221a is driven.
- the water in the boil waste liquid tank 220 is circulated by flowing through the boil waste liquid supply pipes 221 and 222, the processing liquid path 116 of the heat exchanger 10, and the return pipe 223 (step S252).
- the first three-way switching valve 271 is switched to the drainage side (recovery side).
- the water in the boil waste liquid tank 220 is discharged to a predetermined location through the supply pipe 221 and the recovery pipe 226 (Step S253). Due to this drainage, when the water in the boil waste liquid tank 220 is exhausted and the water level becomes the lowest, the drive of the pump 221a is stopped, and the processing liquid circuit side cleaning processing (S250) is completed.
- the fourth three-way switching valve 274 on the heat medium circuit side is switched to the drainage side, and the pump 252a is driven. Thereby, the water is discharged through the ice-hydro power supply pipe 252 and the drain pipe 256 in the heat medium tank 230 (step S261). Due to this drainage, when the water level in the heat medium tank 230 reaches the lowest level, that is, when the ice water in the heat medium tank 230 runs out, the driving of the pump 252a is temporarily stopped.
- the on-off valve 257a of the water introduction pipe 257 is opened, and the water as the cleaning liquid flows from the water supply source 202 through the heat medium supply pipe 251 and the water introduction pipe 257, and flows into the heat medium tank. It is introduced into 230 (process S262). With this introduction, the water is sufficiently stored in the heat medium tank 230, and when the water level reaches a predetermined level, the on-off valve 257a is closed.
- the fourth three-way switching valve 274 is switched to the circulation side, and the pump 252a is driven again.
- the water in the heat medium tank 230 is supplied to the supply pipes 252 and 253, the common pipe 255, the heat medium inflow pipe 242, the heat medium path 115 of the heat exchanger 10, the heat medium return pipe 245, the heat exchange tube 281, It is circulated through the heat medium return pipe 246 and the sprayer 280 (step S263).
- Step S264 the fourth three-way switching valve 274 is switched to the drain side, and the water in the heat medium tank 230 is discharged through the supply pipe 252 and the drain pipe 256. Due to this drainage, when the water in the heat medium tank 230 runs out and the water level reaches the lowest level, the drive of the pump 252a is stopped, and the heat medium tank cleaning processing (S260) is completed. Thus, all the steps are completed using the apparatus according to the present embodiment.
- heating, primary cooling, and secondary cooling of the boil waste liquid are performed by one heat exchanger 10, so that a plurality of heating devices and cooling devices are used.
- the number of parts can be greatly reduced as compared with the previous case, and the equipment can be made smaller and simpler.
- the device of the present embodiment has a simple structure, cleaning and maintenance can be performed accurately and smoothly, and the work load can be reduced. Since the force can be reduced in size and weight, the device can be easily moved, for example, by assembling the entire device on a trolley (see Fig. 6).
- the entire apparatus is configured to be movable in this way, for example, the apparatus can be stored when not in use or the apparatus can be moved to a necessary place, so that the installation space can be effectively used. .
- a cooling heat medium such as water and ice water flowing out of the heat exchanger 10 is passed through the heat exchange tube 281 in the boil waste liquid tank 220, Since the heat exchange between the cooling heat medium and the boil waste liquid in the boil waste liquid tank 220 is performed, the waste heat of the cooling heat medium can be used to cool the boil waste liquid, thereby improving heat exchange efficiency and energy saving. Can be planned.
- the heated boil waste liquid is cooled stepwise by primary cooling and secondary cooling, so that heat loss can be reduced and cooling efficiency is further improved. Can be done.
- the heated boil waste liquid may be cooled by a single cooling process.
- the apparatus according to the present embodiment can automatically perform a series of processes such as the steaming process, the primary and secondary cooling processes, and the cleaning process, thereby further reducing the work load. As a result, work efficiency can be further improved. Further, since the ice water as the secondary cooling heat medium is circulated, the heat energy of the ice water can be effectively used, and further energy saving can be achieved.
- the cleaning process on the heat medium circuit side is performed after the cleaning process on the boil waste liquid circuit side.
- the present invention is not limited thereto.
- the boil waste liquid circuit side cleaning process may be performed, or both cleaning processes may be performed in parallel.
- the boil step (heating step) using the heat exchanger 10 will be described.
- the boil water cooling step or the indirect heating / cooling using the heat exchanger 10 will be described.
- the process described force heat exchanger 10 can also be used in a concentration step.
- FIG. 13 is a diagram schematically showing the concentrating device of the present embodiment and the piping configuration thereof.
- the concentrating device shown in Fig. 13 is a device for concentrating the liquid 301 to be concentrated, and includes a heat exchanger 10 and a gas-liquid separator 303.
- the heat exchanger 10 has a liquid path 116 (11) and a vapor path 115 (12) which are independent of each other.
- the liquid 301 to be concentrated introduced into the liquid path 116 (11) 301 Heat is exchanged between the steam and steam flowing through the steam path 115 (12).
- the gas-liquid separator 303 is connected to one end of the liquid path 116 (11) in the heat exchanger 10, and performs gas-liquid separation of the vapor of the liquid 301 to be concentrated generated by heat exchange in the heat exchanger 10. It can be carried out. Note that a plurality of baffle plates 313 are provided in the gas-liquid separator 303, and the vapor of the concentrated liquid is separated into a gas and a concentrated liquid by the baffle plates 313.
- the gas-liquid separator 303 is separated by the gas-liquid separator 303. It is connected to a recovery tank 304 for recovering the concentrated liquid.
- the recovery tank 304 is connected to the other end of the liquid path 116 in the heat exchanger 10.
- the liquid passage 116 of the heat exchanger 10 is disposed so as to extend substantially vertically, and the recovery tank 304 is configured such that the liquid level (n) in the recovery tank 304 is kept constant.
- the force S is preferably made of an open tank, and is adapted to match the liquid level (n) in the collection tank 304 and the liquid level (m) in the liquid path 116. But preferred.
- a residual heat heat exchanger 10 'for preheating the liquid to be concentrated is provided, and the residual heat heat exchanger 10' is provided with a liquid path 350 and a vapor path 360 which are independent of each other. have. Then, in the heat exchanger for residual heat 10 ′, heat exchange is performed between the liquid to be concentrated introduced into the liquid path 350 and the vapor flowing through the vapor path 360.
- the vapor path 360 of the heat exchanger for residual heat 10 ' is connected to the gas-liquid separator 303, while one end of the liquid path 350 of the heat exchanger for residual heat 10' stores the liquid to be concentrated. It is connected to storage tank 305. Further, the heat exchanger for residual heat 10 ′ has a configuration in which the liquid to be concentrated in the heat exchanger for residual heat 10 ′ can be introduced into the recovery tank 304.
- the liquid 301 to be concentrated is a boiled waste liquid after boiling a force, a certain force, and a force two extract.
- the liquid to be concentrated is not limited thereto, and any liquid that can concentrate a solution in which a solute is dissolved (for example, an aqueous solution) may be used, such as soup stock (kelp stock, bonito stock), soup, Sources and sauces (or their sources) can be mentioned.
- the vapor of the liquid 301 to be concentrated can be generated by heat exchange in the heat exchanger 10, and the vapor is subjected to gas-liquid separation by the gas-liquid separator 303. That can be S. Therefore, it is necessary to use a large-scale vacuum device, which is indispensable for ordinary concentrators such as a flash type concentrator, without having to perform vacuum suction. Can be separated. In other words, liquids (liquids to be concentrated) can be concentrated with relatively simple equipment without providing vacuum equipment, so that the size of the concentrator can be reduced, and as a result, equipment costs can be significantly reduced. Can be done. [0208] Further, if the concentrated liquid separated by the gas-liquid separator 303 is recovered in the recovery tank 304 and further introduced into the heat exchanger 10, the same concentration step is repeated, and the concentrated liquid is further concentrated. can do.
- the liquid level in the recovery tank 304 ( n) and the liquid level (m) in the liquid path 116 can be controlled, so that the liquid level (m) in the heat transfer tube 116 (liquid path 11) can be controlled.
- the liquid level (m) in the heat transfer tube 116 can be controlled at a high level, and the steam generation in the heat transfer tube 116 can be stably performed. This makes it possible to stably separate the water vapor and the concentrated liquid in the gas-liquid separator 303, thereby facilitating production control and obtaining a high-quality concentrated liquid.
- the recovery tank 304 is constituted by an open tank, the liquid level (n, m) of both can be made uniform by the atmospheric pressure. Therefore, there is no need to provide a special device group for controlling the liquid level (n) in the heat transfer tube 116 to a constant level, so that the configuration of the device can be simplified.
- the structure is such that the baffle plates 313 are provided inside the container. ) And concentrated solution. Therefore, the space can be further reduced, and the equipment cost can be further reduced.
- the concentrator shown in Fig. 13 includes the heat exchanger (first heat exchanger) 10, and additionally includes the gas-liquid separator 303, the recovery tank 304, and the storage tank 305.
- a heat exchanger for residual heat (second heat exchanger) 10 ' is installed and installed.
- the storage tank 305 stores the liquid to be concentrated. Lower position of this storage tank 305 And the ball tap device 340 are connected to each other by a supply pipe 325 provided with a pump 314 in the middle of the pipe.
- a third flow pipe 326 branches from an intermediate position of the supply pipe 325, and the tip of the third flow pipe 326 is connected to the second heat exchanger 10 '.
- the upper surface of the recovery tank 304 is open. Note that the term “open” in the present embodiment does not mean only a state where it is apparently apparently opened as shown in FIG. This means that a state is established in which the internal pressure of the collection tank 304 and the external atmospheric pressure can be made equal to each other so as to be in communication with the outside atmosphere.
- a ball tap device 340 is attached to an upper position of the recovery tank 304. That is, the ball tap body 341 is attached to the upper edge of the inner peripheral surface of the collection tank 304. At the same time, the arm 342 extending from the ball tap body 341 is projected to an upper position of the internal space in the collection tank 304 and is supported in a swingable state. On the other hand, a floating ball 343 having a specific gravity smaller than that of water is fixedly connected to the tip of the arm 342.
- the ball tap device 340 closes the valve in the ball tap body 341 to stop the supply of the liquid to be concentrated from the supply pipe 325 into the collection tank 304. Let it. On the other hand, when the position is lower than the predetermined height, the valve is opened, and the liquid to be concentrated is supplied into the collection tank 304 until the position of the floating ball 343 returns to the predetermined height.
- the position (height) of the floating ball 343 also becomes lower than the predetermined height. Then, the liquid to be concentrated is supplied into the recovery tank 304 until the position of the floating ball 343 immediately returns to the predetermined height. With such a mechanism, the liquid level (n) in the collection tank 304 is always kept at a fixed position.
- a plurality (for example, several tens) of heat transfer tubes 116 are arranged inside a cylindrical outer shell along an axial direction (for example, a vertical direction) thereof. It has a structure arranged in parallel with an interval.
- heat medium passage space a space 115 (hereinafter, referred to as a “heat medium passage space”) between the heat transfer tubes 116, heat exchange is performed with the liquid in the heat transfer tubes 116.
- the upper ends of the heat transfer tubes 116 are connected to the steam storage chamber 316 above the first heat exchanger 10 '.
- the vapor storage chamber 316 is connected to the gas-liquid separator 303 via a first flow pipe 322.
- the lower end of the heat transfer tube 116 is connected to a liquid storage chamber 317 below the first heat exchanger 10, and the liquid storage chamber 317 is connected via a communication pipe 321 provided with a check valve 337 in the middle of the pipe. And is connected to the bottom of the open recovery tank 304.
- the liquid in the recovery tank 304 passes through the communication pipe 321 and the liquid storage chamber 317 in this order, and is supplied to the heat transfer pipe 116, and then, in the heat medium passage space 115 via the heat transfer pipe 116. Is exchanged with the high-pressure steam to vaporize. Thereafter, the steam (including water and medium) passes through the steam storage chamber 316 and is introduced into the first flow pipe 322.
- a circular heat medium inlet 318 is provided at the upper edge of the side wall of the first heat exchanger 10, and the heat medium passage space in the first heat exchanger 10 is provided through the heat dissipation medium inlet 318. 115 and the heat medium transmission pipe 320 are in communication with each other. Further, a circular heat medium outlet 319 is provided at the lower edge of the side wall of the first heat exchanger 10, and the heat medium passage space 115 in the first heat exchanger 10 is provided through the heat dissipation medium outlet 319. And the heat medium discharge pipe 328 are in communication with each other.
- the high-pressure steam supplied from boiler 311 passes through heat medium flow pipe 320 and heat medium inlet 318 in order, and enters heat medium passage space 315.
- heat exchange is performed with the liquid in the heat transfer tube 116 via the heat transfer tube 116 to vaporize the liquid.
- the high-pressure steam passes through the heat medium discharge port 319 and the heat medium discharge pipe 328 in this order, and is discharged to the outside as wastewater.
- a pressure gauge 332 is attached to the heat medium flow pipe 320, so that the steam pressure in the heat medium flow pipe 320 can be constantly monitored.
- An electromagnetic valve 331 for automating the driving operation is attached to the heat medium transmission pipe 320.
- a temperature sensor 333 is attached to the top of the first heat exchanger 10, and a part 333a of the sensor is disposed in the vapor storage chamber 310. Further, a flow control valve 330 is attached to the heat medium flow pipe 320, and the flow control valve 330 can control the amount of introduced steam in response to a signal from the temperature sensor 333. As a result, the temperature of the generated steam can be monitored one by one and the flow rate of the high-pressure steam introduced can be adjusted accordingly.
- a vapor discharge port 312 is provided on the top wall of the gas-liquid separator 303. This steam spit One end of the second flow pipe 323 is connected to the outlet 312 in communication. The other end of the second flow pipe 323 is connected to the upper edge of the side wall of the second heat exchanger (6). Further, a first flow pipe 322 is connected to the lower edge of the side wall of the gas-liquid separator 303. Further, one end of a recovery pipe 324 is connected to the bottom wall of the gas-liquid separator 303, and the other end of the recovery pipe 324 is connected to the upper edge of the side wall of the recovery tank 304.
- baffle plates 313 are arranged parallel to the top wall of the gas-liquid separation chamber 303 while having a predetermined interval therebetween. It protrudes in a shape.
- the baffle plates 313 are not joined to one of the four side walls of the gas-liquid separation chamber 303, but are joined to the remaining three side walls. As shown in FIG. 13, the unjoined portions of the baffle plates 313 are arranged alternately at opposing positions on every other baffle plate 313, so that the air flows from the first flow pipe 322. The vapor introduced into the liquid separator 303 is blocked by the baffle plate 313 and moves in a meandering manner in the internal space of the gas-liquid separator 303.
- the introduced steam reverses its movement direction several times.
- the steam collides with the side wall of the gas-liquid separator 303 or the baffle plate 313, and
- part of the moisture contained in the steam becomes steam and is discharged into the second flow pipe 323 via the steam discharge port 312.
- the remaining vapor after the removal of water water vapor
- the retained concentrate is sent into the collection tank 304 through the collection pipe 324.
- a plurality of heat transfer tubes 350 are arranged in the internal space of second heat exchanger 10 '.
- the upper end of the heat transfer pipe 350 is connected to one end of the fourth flow pipe 327, and the other end of the fourth flow pipe 327 is open at an upper position in the storage tank 305.
- the lower end of the heat transfer tube 350 is connected in communication with the third flow pipe 326.
- a second flow pipe 323 is attached to the upper edge of the side wall of the second heat exchanger 10 ', and the second flow pipe 323 and the heat medium passage space 360 communicate with each other. ing. Further, a discharge pipe 351 is attached to the lower edge of the side wall of the second heat exchanger 10 ', and the discharge pipe 351 and the heat medium passage space 360 are communicated.
- the steam separated by the gas-liquid separator 303 passes through the second flow pipe 323, Enter the passage space 360.
- heat exchange is performed between the liquid to be concentrated in the heat transfer pipe 350 (the liquid sent from the storage tank 305 through the third flow pipe 326), and the liquid to be concentrated is preheated. After that, the water is discharged outside through the drain pipe 351.
- the preheated liquid to be concentrated rises in the heat transfer tube 350, enters the fourth flow pipe 327, passes through this, and returns to the storage tank 305.
- the steam separated by the gas-liquid separator 303 for concentration can be further effectively used for preheating the liquid to be concentrated in the storage tank 305. There is an advantage that energy can be saved.
- heat transfer pipe 116 Heat is exchanged with the liquid in the heat transfer pipe 116 via the heat transfer pipe 116, and then the liquid turns into a vapor (gas state), ascends the vapor storage chamber 316, and enters the first flow pipe 322.
- the liquid in the heat transfer tube 116 When the liquid in the heat transfer tube 116 is consumed by such vaporization of the liquid, the liquid is replenished from the recovery tank 304 via the communication tube 321. At this time, since the recovery tank 304 is open, the liquid level (n) in the recovery tank 304 and the liquid level (m) in the heat transfer tube 116 of the first heat exchanger 10 match. Held in state. Here, since the liquid level (n) in the recovery tank 304 is maintained at a predetermined position in advance by the ball tap device 340, the liquid level (m) in the heat transfer tube 116 is always at a desired constant position. It will be held in.
- the power S can be stably generated in the heat transfer tube 116. .
- the vapor of the liquid to be concentrated generated in the heat transfer tube 116 of the first heat exchanger 10 passes through the first flow pipe 322 and enters the gas-liquid separator 303. Then, it is separated into water vapor and a concentrated liquid in a process of meandering in the internal space of the gas-liquid separator 303.
- the separated steam rises in the gas-liquid separator 303, passes through the steam discharge port 312, the second flow pipe 323, and enters the heat medium passage space 360 of the second heat exchanger 10 '. I do.
- the liquid to be concentrated in the heat transfer tube 350 is preheated while passing therethrough, and then discharged to the outside from the drain pipe 351.
- the concentrated liquid remaining at the bottom in the gas-liquid separator 303 passes through the recovery pipe 324 and is returned to the recovery tank 304. After this concentrated liquid is further supplied to the first heat exchanger 10, it is further concentrated by the gas-liquid separator 303 and returned to the collection tank 304.
- the concentrating device of the present embodiment is a power that is particularly suitable as a concentrating device for a Riki extract (for example, a Riki extract extracted when boiled Riki with hot water).
- a Riki extract for example, a Riki extract extracted when boiled Riki with hot water
- the present invention can also be used for concentrating other liquids that are not particularly limited.
- the liquid to be concentrated is an aqueous solution and water vapor is generated from the aqueous solution.
- a component e.g., alcohol
- It can also be applied to a concentration process.
- the force juice liquid that was generated when boiled Rikiji with hot water was concentrated.
- the storage tank 305 was filled with the Rikiji extract (stock solution), and the concentration device was operated. Then, when the amount of liquid in the storage tank 305 decreases, the continuous operation for 5 hours is performed while replenishing and supplying the power extract solution (stock solution) sequentially. A concentrated solution of Rinji extract was obtained.
- the total amount of the renji extract (stock solution) supplied to the storage tank 305 is 2000 kg, whereas the obtained renji extract concentrate is 140 kg. It was possible to obtain a concentrated solution that was concentrated twice. In addition, such a concentrate of Rikiji extract is used, for example, for producing Rikiji flavored foods.
- the vapor of the liquid to be condensed generated in the heat transfer tube 116 of the first heat exchanger 10 is introduced into the gas-liquid separator 303, where the vapor and the condensate are condensed. Separated into liquid. That is, a part of the moisture in the steam is discharged as steam from the steam outlet, while the remaining steam after the removal of the moisture (steam) is liquefied to become a concentrated liquid and remains at the bottom of the gas-liquid separator 303. .
- the liquid can be concentrated with relatively simple equipment without providing a vacuum equipment, it is possible to reduce the size of the concentrator and greatly reduce the equipment cost.
- the concentrated liquid remaining at the bottom of the gas-liquid separator 303 is further supplied to the first heat exchanger 10 and the same operation is repeated, the concentrated liquid can be further concentrated. .
- the concentrating device of the present embodiment may be used in combination with a vacuum device. Even when a vacuum device is used, the configuration in which the vapor of the liquid to be concentrated is generated in the heat transfer tube 116 of the heat exchanger 10 is employed, so that it is possible to suppress an increase in the size of the vacuum device or an increase in equipment costs. It becomes possible.
- the case where the concentrating apparatus of the present embodiment and the vacuum apparatus are used in combination is, for example, a case where it is desired to increase the purity or a case where the degree of concentration is desired to be further increased.
- the present invention has been described by the preferred embodiments. However, such description is not limited, and various modifications are possible. For example, some of the configurations or modified examples of the above-described first to third embodiments can be applied to each other without departing from the spirit or spirit of the present invention.
- the heat exchanger 10 shown in FIG. 7 and the heat exchanger 10 shown in FIG. 10 can be exchanged, and a suitable pipe connection can be made.
- the cooling process of the second embodiment can be performed after the boil process of the first embodiment.
- the concentration process of the third embodiment after the boil process of the first embodiment. it can.
- the residual heat is applied by the heat treatment of the second embodiment, and the concentration treatment of the third embodiment is performed. You can do it.
- the present invention it is possible to provide a novel boiler using a heat exchanger. Further, according to the present invention, it is possible to provide a heating / cooling device capable of heating and cooling the processing liquid, and a concentrating device capable of manufacturing the concentrated liquid by concentrating the processing liquid.
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Abstract
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Application Number | Priority Date | Filing Date | Title |
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JP2006513776A JPWO2005115205A1 (ja) | 2004-05-26 | 2004-05-26 | 間接加熱ボイル装置、間接加熱冷却装置および濃縮装置 |
PCT/JP2004/007193 WO2005115205A1 (ja) | 2004-05-26 | 2004-05-26 | 間接加熱ボイル装置、間接加熱冷却装置および濃縮装置 |
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PCT/JP2004/007193 WO2005115205A1 (ja) | 2004-05-26 | 2004-05-26 | 間接加熱ボイル装置、間接加熱冷却装置および濃縮装置 |
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JP2004018898A (ja) * | 2002-06-13 | 2004-01-22 | Federation Of Electro Plating Industry Association Japan | めっき液濃縮方法及びめっき液濃縮装置 |
JP6077536B2 (ja) * | 2011-06-27 | 2017-02-08 | マイクロソフト テクノロジー ライセンシング,エルエルシー | ホスト使用可能管理チャネル |
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