Graded curing device for soybean milk

Abstract

The utility model relates to the technical field of soybean milk production, and discloses a soybean milk grading curing device which comprises a pulping machine and a braising pot, a discharging port of the pulping machine is communicated with a feeding port of the braising pot, the pulping machine is provided with a pulping structure and a driving structure located at the bottom of the pulping structure, and the pulping structure is sleeved with a heat preservation cover; a heating cavity is jointly formed between the heat preservation cover and the pulping structure, the braising tank is provided with a steam inlet and a steam outlet, and the steam outlet is communicated with the heating cavity; when the pulp is braised, steam enters the braising tank through the steam inlet, then the pressure in the braising tank is larger and larger along with more and more steam injected into the braising tank, and at the moment, the steam enters the heating cavity through the steam outlet to heat the pulp grinding structure, so that the temperature of the pulp discharged by the pulp grinder is increased; the temperature required to be increased when the soybean milk is braised is reduced, so that the braising time of the soybean milk is shortened, and the production efficiency of soybean milk is greatly improved.

Description

Technical Field

[0001] The present application belongs to the technical field of soy milk production, and specifically relates to a soy milk grading and maturation device. Background Art

[0002] Soy milk is a popular drink among the people and a nutritious food suitable for all ages. It enjoys the reputation of "plant milk" in Europe and the United States. It is rich in plant protein and phospholipids, as well as vitamins B1, B2, iron, calcium and other substances.

[0003] In the process of producing soy milk, the beans need to be ground first, and then the ground slurry needs to be stewed. In other words, the beans mixed with cold water need to be poured into the grinder first, so that the grinder can grind the beans into slurry, and then the slurry is transferred to the stewing tank for stewing to achieve the maturation of the slurry. However, since the temperature of the beans is relatively low when the beans are mixed with cold water, and the slurry needs to be heated to 100 degrees when stewing, there is a large temperature difference between the grinding process and the stewing process, which requires the stewing of the slurry for a long time, thereby affecting the production efficiency of soy milk. Utility Model Content

[0004] The present application provides a soymilk graded maturation device to shorten the stewing time of the slurry and improve the production efficiency of the soymilk.

[0005] The technical solutions adopted in this application are:

[0006] A soymilk grading and maturation device comprises a pulping machine and a stewing pot, wherein the discharge port of the pulping machine is connected to the feed port of the stewing pot, the pulping machine comprises a pulping structure and a driving structure located at the bottom of the pulping structure, the outer surface of the pulping structure is provided with a heat-insulating cover, and a heating chamber is formed between the heat-insulating cover and the pulping structure, and the stewing pot comprises a steam inlet and a steam outlet, and the steam outlet is connected to the heating chamber.

[0007] By adopting the above technical solution, when producing soy milk, beans mixed with cold water are poured into the pulper, so that the pulper grinds the beans into slurry, and then the slurry enters the stewing pot through the discharge port of the pulper, so that the stewing pot stews the slurry to achieve the maturation of the slurry; when the slurry is stewed, steam enters the stewing pot through the steam inlet, and then as more and more steam is injected into the stewing pot, the pressure in the stewing pot becomes greater and greater. At this time, the steam enters the heating chamber through the steam outlet to heat the pulping structure, thereby increasing the temperature of the slurry discharged from the pulper, thereby shortening the temperature required to be raised when stewing the slurry, shortening the stewing time of the slurry, and thus greatly improving the production efficiency of soy milk.

[0008] Since the heat preservation cover is arranged on the pulping structure, the pulp can be heated while the heat dissipation of the pulper driving structure is guaranteed, so as to ensure the normal operation of the pulper and increase the service life of the pulper.

[0009] Optionally, it also includes an air pipe and a delivery pipe, the two ends of the delivery pipe are respectively connected to the discharge port of the pulper and the feed port of the stewing pot, the two ends of the air pipe are respectively connected to the heating chamber and the steam outlet, and the air pipe is arranged around the delivery pipe.

[0010] By adopting the above technical solution, since the gas pipe is arranged around the delivery pipe, when the steam is delivered to the heating chamber through the gas pipe, the gas pipe can heat the delivery pipe, so that the gas pipe heats the slurry inside, thereby realizing multi-stage heating of the slurry, so as to further increase the temperature of the slurry entering the stewing pot, and further reduce the temperature difference required for heating the slurry in the stewing pot, so as to further improve the stewing efficiency of the slurry and further improve the production efficiency of soy milk.

[0011] And because the steam needs to pass through the gas pipe when entering the heating chamber, the temperature of the gas pipe is higher than the temperature in the heating chamber, so as to preheat the slurry in the heating chamber, and then perform the initial heating of the slurry in the delivery pipe, and finally perform the final heating of the slurry in the stewing tank, while avoiding the denaturation of the nutrients in the slurry due to the high temperature in the heating chamber.

[0012] Optionally, the gas delivery pipe is spirally arranged along the axial direction of the delivery pipe.

[0013] By adopting the above technical solution, since the air pipe is spirally arranged along the axial direction of the conveying pipe, the contact area between the air pipe and the conveying pipe is increased, thereby improving the heating efficiency of the slurry transported through the conveying pipe, further increasing the temperature of the slurry entering the stewing tank, and further improving the production efficiency of soy milk.

[0014] Optionally, the heat-insulating cover includes a lower shell and an upper shell detachably connected to the lower shell, and the lower shell is fixedly connected to the refining structure.

[0015] By adopting the above technical solution, since the upper shell is detachably connected to the upper shell, when the refiner is repaired or cleaned, the upper shell can be removed from the lower shell to facilitate the repair or cleaning of the refiner.

[0016] Optionally, a downwardly extending connecting rib is provided inside the upper shell, and the connecting rib extends into the interior of the lower shell.

[0017] By adopting the above technical solution, since downward extending connecting ribs are provided inside the upper shell, the connecting ribs extend into the lower shell, and then the upper shell and the lower shell are connected by the connecting ribs, so as to facilitate the disassembly and assembly of the upper shell, thereby further improving the maintenance and cleaning efficiency of the pulper.

[0018] Optionally, the top of the upper shell has an extension bucket, which is located on the top of the refiner and abuts against the side wall of the refiner feed hopper.

[0019] By adopting the above technical solution, since the top of the upper shell is provided with an extension bucket, the extension bucket can guide the soybeans so that the soybeans can enter the pulping machine more smoothly, thereby avoiding the situation where the soybeans accumulate in the pulping machine.

[0020] Optionally, an air outlet shaft is provided in the stewing pot, the interior of the air outlet shaft is hollow, and the top end of the air outlet shaft extends out of the stewing pot, so that the top end of the air outlet shaft forms the steam inlet, and the part of the air outlet shaft located inside the stewing pot is provided with an air outlet.

[0021] By adopting the above technical solution, when the slurry is stewed, steam enters the stewing tank through the air outlet shaft, so that the slurry is heated more evenly in the stewing tank, thereby improving the stewing efficiency of the slurry and further improving the production efficiency of soy milk.

[0022] Optionally, the air outlet shaft is rotatably connected to the stewing pot, and a spiral blade fixedly connected to the air outlet shaft is provided in the stewing pot. The interior of the spiral blade is hollow and communicated with the interior of the air outlet shaft. The air outlet is provided on the spiral blade, and the stewing pot is provided with a driving member for driving the air outlet shaft to rotate.

[0023] By adopting the above technical solution, when the slurry is stewed, steam enters the spiral blades through the air outlet shaft, and finally the steam contacts the slurry through the spiral blades to heat the slurry. At the same time, the air outlet shaft drives the spiral blades to rotate under the action of the driving member, so that the spiral blades rotate the slurry, thereby further shortening the stewing time of the slurry, further improving the stewing efficiency of the slurry, and further improving the production efficiency of soy milk.

[0024] Optionally, the driving member is a motor, and the output shaft of the motor and the air outlet shaft are both provided with pulleys, and the two pulleys are connected by belt transmission.

[0025] By adopting the above technical solution, when the air outlet shaft is driven, the motor is started, and the output shaft of the motor drives the pulley on itself to rotate. Under the action of the belt, the pulley drives the pulley provided on the air outlet shaft to rotate, thereby driving the air outlet shaft to rotate.

[0026] Optionally, the air outlet shaft is provided with a rotary joint, and the rotary joint is located at the steam inlet.

[0027] By adopting the above technical solution, since the air outlet shaft is provided with a rotary joint, the external steam generating device can be connected to the rotary joint to realize the relative rotation of the steam generating device and the air outlet shaft, thereby avoiding the entanglement of the air pipe of the steam generating device, thereby reducing the failure rate of the soy milk grading and maturation device.

[0028] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0029] 1. The soymilk grading and maturation device in the present application includes a pulping machine and a stewing tank. The discharge port of the pulping machine is connected to the feed port of the stewing tank. The pulping machine has a pulping structure and a driving structure located at the bottom of the pulping structure. The outer shell of the pulping structure is provided with a heat preservation cover. A heating chamber is formed between the heat preservation cover and the pulping structure. The stewing tube has a steam inlet and a steam outlet. The steam outlet is connected to the heating chamber. When the slurry is stewed, steam enters the stewing tank through the steam inlet. Then, as more and more steam is injected into the stewing tank, the pressure in the stewing tank becomes greater and greater. At this time, the steam enters the heating chamber through the steam outlet to heat the pulping structure, thereby increasing the temperature of the slurry discharged from the pulping machine, thereby shortening the temperature required to be raised when stewing the slurry, thereby shortening the stewing time of the slurry, and thus greatly improving the production efficiency of soymilk.

[0030] 2. The soy milk grading and maturation device in the present application also includes an air pipe and a delivery pipe. The two ends of the delivery pipe are respectively connected to the discharge port of the pulper and the feed port of the stewing pot. The two ends of the air pipe are respectively connected to the heating chamber and the steam outlet, and the air pipe is arranged around the delivery pipe. When the steam is transported to the heating chamber through the air pipe, the air pipe can heat the delivery pipe, so that the air pipe heats the slurry inside, thereby realizing multi-stage heating of the slurry, so as to further increase the temperature of the slurry entering the stewing pot, and further reduce the temperature difference required for heating the slurry in the stewing pot, so as to further improve the stewing efficiency of the slurry and further improve the production efficiency of soy milk.

[0031] 3. The air pipe in the present application is spirally arranged along the axial direction of the delivery pipe, thereby increasing the contact area between the air pipe and the delivery pipe, thereby improving the heating efficiency of the slurry transported through the delivery pipe, so as to further increase the temperature of the slurry entering the stewing tank, and further improve the production efficiency of soy milk. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0033] Figure 1 This is a schematic structural diagram of a soymilk grading and maturation device according to one embodiment of the present application;

[0034] Figure 2 This is a cross-sectional view of the air outlet shaft according to one embodiment of the present application.

[0035] Reference numerals:

[0036] 1. Refiner; 11. Heating chamber; 2. Stewing pot; 3. Insulation cover; 31. Lower shell; 32. Upper shell; 321. Connecting ribs; 322. Extension bucket; 4. Gas pipe; 5. Delivery pipe; 6. Exhaust shaft; 61. Spiral blade; 611. Exhaust port; 62. Driving member; 63. Rotary joint. DETAILED DESCRIPTION

[0037] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0038] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0039] In addition, in the description of the present application, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present application.

[0040] In this application, unless otherwise expressly specified or limited, terms such as "installed," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; and internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0041] In this application, unless otherwise expressly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the reference terms "implementation method", "embodiment", "one embodiment", "example" or "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0042] Reference Figures 1 to 2 Disclosed is a soymilk grading and maturation device, which includes a pulping machine 1 and a stewing pot 2. The discharge port of the pulping machine 1 is connected to the feed port of the stewing pot 2. The pulping machine 1 has a pulping structure and a driving structure located at the bottom of the pulping structure. The outer surface of the pulping structure is provided with a heat preservation cover 3. The heat preservation cover 3 and the pulping structure form a heating chamber 11. The stewing pot 2 has a steam inlet and a steam outlet, and the steam outlet is connected to the heating chamber 11.

[0043] When producing soy milk, beans mixed with cold water are poured into the pulper 1 so that the pulper 1 grinds the beans into slurry, and then the slurry enters the stewing pot 2 through the discharge port of the pulper 1, so that the stewing pot 2 stews the slurry to achieve the maturation of the slurry; when the slurry is stewed, steam enters the stewing pot 2 through the steam inlet, and then as more and more steam is injected into the stewing pot 2, the pressure in the stewing pot 2 becomes greater and greater. At this time, the steam enters the heating chamber 11 through the steam outlet to heat the pulping structure, thereby increasing the temperature of the slurry discharged from the pulper 1, so as to shorten the temperature required to be raised when stewing the slurry, thereby shortening the stewing time of the slurry, and thus greatly improving the production efficiency of soy milk.

[0044] Since the heat-insulating cover 3 is provided on the refining structure, the slurry can be heated while the heat dissipation of the driving structure of the refiner 1 is ensured, thereby ensuring the normal operation of the refiner 1 and increasing the service life of the refiner 1 .

[0045] In a preferred embodiment, referring to Figure 1 The soymilk grading and maturation device also includes an air pipe 4 and a delivery pipe 5. The two ends of the delivery pipe 5 are respectively connected to the discharge port of the pulper 1 and the feed port of the stewing pot 2. The two ends of the air pipe 4 are respectively connected to the heating chamber 11 and the steam outlet, and the air pipe 4 is arranged around the delivery pipe 5.

[0046] Since the gas pipe 4 is arranged around the delivery pipe 5, when the steam is delivered to the heating chamber 11 through the gas pipe 4, the gas pipe 4 can heat the delivery pipe 5, so that the gas pipe 4 heats the slurry inside, thereby realizing multi-stage heating of the slurry, so as to further increase the temperature of the slurry entering the stewing pot 2, and further reduce the temperature difference required for heating the slurry in the stewing pot 2, so as to further improve the stewing efficiency of the slurry and further improve the production efficiency of soy milk.

[0047] And because the steam needs to pass through the gas pipe 4 when entering the heating chamber 11, the temperature of the gas pipe 4 is made higher than the temperature in the heating chamber 11, so as to preheat the slurry in the heating chamber 11, and then perform the initial heating of the slurry in the delivery pipe 5, and then perform the final heating of the slurry in the stewing pot 2, while avoiding the denaturation of the nutrients in the slurry due to the high temperature in the heating chamber 11.

[0048] The present application does not make any specific limitation on the relative position relationship between the gas pipe 4 and the delivery pipe 5. Preferably, refer to Figure 1 The air pipe 4 is spirally arranged along the axial direction of the delivery pipe 5, thereby increasing the contact area between the air pipe 4 and the delivery pipe 5, thereby improving the heating efficiency of the slurry transported through the delivery pipe 5, so as to further increase the temperature of the slurry entering the stewing tank 2, and further improve the production efficiency of soy milk.

[0049] In other embodiments, the gas pipe 4 may be sleeved on the outside of the delivery pipe 5 , and an air flow channel is formed between the gas pipe 4 and the delivery pipe 5 .

[0050] The present application does not make any specific limitation on the structure of the heat preservation cover 3. Preferably, refer to Figure 1 The heat preservation cover 3 includes a lower shell 31 and an upper shell 32 detachably connected to the lower shell 31. The lower shell 31 is fixedly connected to the refining structure. When the refiner 1 is inspected or cleaned, the upper shell 32 may be removed from the lower shell 31 to facilitate the inspection or cleaning of the refiner 1.

[0051] The present application does not make any specific limitation on the detachable connection method between the upper shell 32 and the lower shell 31. Preferably, refer to Figure 1 The interior of the upper shell 32 is provided with a downward extending connecting rib 321, which extends into the interior of the lower shell 31, and then the upper shell 32 and the lower shell 31 are connected through the connecting rib 321, so as to facilitate the disassembly and assembly of the upper shell 32, thereby further improving the maintenance and cleaning efficiency of the pulper 1.

[0052] Preferably, the connecting rib 321 is extended along the circumference of the upper shell 32 to increase the connection and fitting area between the upper shell 32 and the lower shell 31, and a guide surface is provided at the bottom of the connecting rib 321 to guide the upper shell 32 when assembling the upper shell 32, so as to facilitate the assembly of the upper shell 32 to the lower shell 31.

[0053] In other embodiments, the upper shell 32 may be detachably connected to the lower shell 31 in other ways, such as by bolts.

[0054] In a preferred embodiment, referring to Figure 1 The top of the upper shell 32 has an extension bucket 322, which is located at the top of the refiner 1 and abuts against the side wall of the feed hopper of the refiner 1, so that the extension bucket 322 can guide the soybeans so that the soybeans can enter the refiner 1 more smoothly, thereby avoiding the accumulation of soybeans in the refiner 1.

[0055] In other embodiments, the heat-insulating cover 3 may also be an integrated structure.

[0056] In a preferred embodiment, referring to Figure 1 and Figure 2 An air outlet shaft 6 is provided in the stewing pot 2. The interior of the air outlet shaft 6 is hollow, and one end of the top of the air outlet shaft 6 extends out of the stewing pot 2 so that the top end of the air outlet shaft forms a steam inlet, and the part of the air outlet shaft 6 located inside the stewing pot 2 is provided with an air outlet 611.

[0057] Specifically, when the slurry is stewed, steam enters the stewing pot 2 through the air outlet shaft 6, so that the slurry is heated more evenly in the stewing pot 2, thereby improving the stewing efficiency of the slurry and further improving the production efficiency of soy milk.

[0058] Further, refer to Figure 1 and Figure 2 The air outlet shaft 6 is rotatably connected to the stewing pot 2. The stewing pot 2 is provided with a spiral blade 61 fixedly connected to the air outlet shaft 6. The spiral blade 61 is hollow inside and communicates with the interior of the air outlet shaft 6. The air outlet 611 is provided on the spiral blade 61. The stewing pot 2 is provided with a driving member 62 for driving the air outlet shaft 6 to rotate.

[0059] Specifically, when the slurry is stewed, steam enters the spiral blade 61 through the air outlet shaft 6, and finally the steam contacts the slurry through the spiral blade 61 to heat the slurry. At the same time, the air outlet shaft 6 drives the spiral blade 61 to rotate under the action of the driving member 62, so that the spiral blade 61 rotates the slurry, so as to further shorten the stewing time of the slurry, further improve the stewing efficiency of the slurry, and further improve the production efficiency of soy milk.

[0060] The present application does not make any specific limitation on the structure of the driving member 62. Preferably, refer to Figure 1 The driving member 62 is a motor, and the output shaft of the motor and the air outlet shaft 6 are both provided with pulleys, and the two pulleys are connected by a belt transmission.

[0061] Specifically, when the air outlet shaft 6 is driven, the motor is started, and the output shaft of the motor drives the pulley on itself to rotate. Under the action of the belt, the pulley drives the pulley provided on the air outlet shaft 6 to rotate, so as to realize the rotation of the air outlet shaft 6.

[0062] Preferably, a mounting bracket is provided on the top of the stewing pot 2, and the driving member 62 is provided on the mounting bracket to facilitate the installation of the driving member 62.

[0063] In other embodiments, the driving member 62 may also be a starter motor, or the output shaft of an electric motor or a pneumatic motor is transmission-connected to the air outlet shaft 6 through a gear structure.

[0064] In a preferred embodiment, referring to Figure 1 The air outlet shaft 6 is provided with a rotary joint 63, which is located at the steam inlet, so that the external steam generating device can be connected to the rotary joint 63 to realize the relative rotation of the steam generating device and the air outlet shaft 6, thereby avoiding the entanglement of the air pipe of the steam generating device, thereby reducing the failure rate of the soy milk grading and maturation device.

[0065] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0066] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on the differences from other embodiments.

[0067] The foregoing is merely an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should all be included within the scope of the claims of the present application.

Claims

1. A soymilk grading and maturation device, characterized in that: The invention comprises a pulping machine (1) and a stewing pot (2), wherein the discharge port of the pulping machine (1) is communicated with the feed port of the stewing pot (2), the pulping machine (1) comprises a pulping structure and a driving structure located at the bottom of the pulping structure, the outer surface of the pulping structure is provided with a heat-insulating cover (3), and a heating chamber (11) is formed between the heat-insulating cover (3) and the pulping structure, and the stewing pot (2) comprises a steam inlet and a steam outlet, and the steam outlet is communicated with the heating chamber (11).

2. The soymilk grading and maturation device according to claim 1, characterized in that: It also includes an air delivery pipe (4) and a delivery pipe (5), the two ends of the delivery pipe (5) are respectively connected to the discharge port of the refiner (1) and the feed port of the stewing pot (2), the two ends of the air delivery pipe (4) are respectively connected to the heating chamber (11) and the steam outlet, and the air delivery pipe (4) is arranged around the delivery pipe (5).

3. The soymilk grading and maturation device according to claim 2, characterized in that: The air delivery pipe (4) is spirally arranged along the axial direction of the delivery pipe (5).

4. The soymilk grading and maturation device according to claim 1, characterized in that: The heat-insulating cover (3) comprises a lower shell (31) and an upper shell (32) detachably connected to the lower shell (31); the lower shell (31) is fixedly connected to the refining structure.

5. The soymilk grading and maturation device according to claim 4, characterized in that: A downwardly extending connecting rib (321) is provided inside the upper shell (32), and the connecting rib (321) extends into the interior of the lower shell (31).

6. The soymilk grading and maturation device according to claim 4, characterized in that: The top of the upper shell (32) is provided with an extension hopper (322), and the extension hopper (322) is located at the top of the refiner (1) and abuts against the side wall of the feed hopper of the refiner (1).

7. The soymilk grading and maturation device according to claim 1, characterized in that: An air outlet shaft (6) is provided in the stew pot (2), the interior of the air outlet shaft (6) is hollow, and one end of the top of the air outlet shaft (6) extends out of the stew pot (2), so that the top end of the air outlet shaft (6) forms the steam inlet, and the portion of the air outlet shaft (6) located inside the stew pot (2) is provided with an air outlet (611).

8. The soymilk grading and maturation device according to claim 7, characterized in that: The air outlet shaft (6) is rotatably connected to the stew pot (2); a spiral blade (61) fixedly connected to the air outlet shaft (6) is provided in the stew pot (2); the spiral blade (61) is hollow inside and communicates with the interior of the air outlet shaft (6); the air outlet (611) is provided on the spiral blade (61); and the stew pot (2) is provided with a driving member (62) for driving the air outlet shaft (6) to rotate.

9. The soymilk grading and maturation device according to claim 8, characterized in that: The driving member (62) is a motor, and the output shaft of the motor and the air outlet shaft (6) are both provided with pulleys, and the two pulleys are connected via a belt transmission.

10. The soymilk grading and maturation device according to claim 8, characterized in that: The air outlet shaft (6) is provided with a rotary joint (63), and the rotary joint (63) is located at the steam inlet.

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