A steam inlet and exhaust system and water inlet and exhaust system for grain steaming pot and an operation method thereof

Abstract

The invention discloses a steam inlet and exhaust system and an operation method for a grain steamer, which comprises: a steam inlet system, the steam inlet system comprises a steam inlet conveying pipeline, the steam inlet conveying pipeline is connected to a steam inlet pipe arranged on a cavity above a pot body screen, and the steam inlet conveying pipeline injects steam into the pot body through the steam inlet pipe; an exhaust system, the exhaust system comprises an exhaust conveying pipeline, the exhaust conveying pipeline is connected to an exhaust pipe arranged on a cavity above a pot body screen, and the exhaust conveying pipeline exhausts steam through the exhaust pipe, and a detection element is arranged on the exhaust conveying pipeline; a first hollow shaft arranged on the pot body, the first hollow shaft has a double-channel structure, and the steam inlet conveying pipeline and the exhaust conveying line are respectively connected to the steam inlet pipe and the exhaust pipe through the first hollow shaft. The steam inlet and exhaust system and the operation method for a grain steamer provided by the invention can not only avoid the problem of easy damage of the detection element, but also protect the safety valve, avoid potential safety hazards, and improve the cooking efficiency and cooking quality.

Description

Technical Field

[0001] The invention relates to the technical field of liquor brewing equipment, and in particular to a steam inlet and exhaust system and a water inlet and exhaust system for a grain steamer and an operating method. Background Art

[0002] In the production of Xiaoqu light-fragrance liquor, the existing grain steamer can rotate 360 ​​degrees. A perforated screen device is provided inside the pot body, which divides the pot body into two parts: the upper screen cavity and the lower screen cavity. The grain to be steamed is stored on the screen, and the lower screen is used to store the water added or generated during the steaming process. The grain steamer is provided with a steam inlet and exhaust and a water inlet and outlet structure, and its general structure is as follows:

[0003] 1. A pipeline is provided between the pot body and one end of the shaft, the pipe mouth is arranged on the screen, a hollow shaft is provided at the end of the shaft at the rotation part, the hollow shaft is connected to the rotary joint, the rotary joint is connected to the steam inlet pipe and the exhaust pipe, and a pressure gauge, a thermometer, a pressure sensor, a temperature sensor, a safety valve and other control elements are provided on the steam inlet pipe or the exhaust pipe, so that the grain steaming pot can add steam or exhaust steam into the pot through the hollow shafts at both ends during the 360° rotation process, and the pressure and temperature can be detected by the sensor.

[0004] 2. The same pipeline is provided between the pot body and the other end of the shaft, the pipe mouth is arranged under the screen, a hollow shaft is provided at the shaft end at the rotating part, the hollow shaft is connected to the rotary joint, the rotary joint is connected to the steam inlet pipe and the drainage pipe, and the pressure gauge, the temperature gauge, the pressure sensor, the temperature sensor, the safety valve and other control elements are provided on the steam inlet pipe or the drainage pipe, so that the grain steaming pot can add water or drain water into the pot through the hollow shafts at both ends during the 360° rotation process, and the pressure and temperature can be detected by the sensor.

[0005] 3. When draining water, steam is injected into the pot and the water is forced out of the drain pipe by pressure.

[0006] Through the above scheme, the grain steaming pot can be added with steam or discharged with water through the hollow shafts at both ends during the 360° rotation of the grain steaming pot.

[0007] In the above structure, because the steam inlet pipe and the steam exhaust pipe are shared, and the pressure sensor and the temperature sensor are installed on the steam inlet pipe, the steam has generated instantaneous high pressure and instantaneous high temperature before entering the pot body, causing the sensor data to reach a peak value in a very short time, directly affecting the sensor life. Moreover, during the use of the grain steamer, it is necessary to intermittently pass steam or exhaust steam. The intermittent operation reduces the stability of the sensor, and the reading value fluctuates greatly, which reduces the control accuracy, thereby directly affecting the efficiency and quality of grain steaming.

[0008] At the same time, because the drainage pipe and the steam inlet pipe under the screen are shared, and because the safety valve is installed on the shared pipeline, water is forced into the safety valve due to pressure during drainage, causing the safety valve to trip frequently, directly affecting the life of the safety valve and causing production safety hazards. Summary of the invention

[0009] The first object of the present invention is to provide a steam inlet and exhaust system for a grain steamer in response to the above-mentioned problems. The present invention sets independent steam inlet and exhaust channels on the original steam inlet and exhaust structures, so that the steam inlet and exhaust do not interfere with each other. This solves the problem that the sensor data reaches a peak value in a very short time due to the instantaneous high pressure and instantaneous high temperature generated before the steam enters the pot body, thereby extending the service life of the sensor.

[0010] The technical solution adopted by the present invention is as follows: a grain steaming pot steam inlet and exhaust system, characterized in that it comprises:

[0011] The steam inlet system includes a steam inlet pipeline, which is connected to a steam inlet pipe provided on the upper cavity of the boiler body screen, and the steam inlet pipeline injects steam into the boiler body through the steam inlet pipe;

[0012] The exhaust system includes an exhaust steam delivery pipeline, which is connected to an exhaust pipe provided on the upper cavity of the boiler body screen, and the exhaust steam delivery pipeline discharges steam through the exhaust pipe. A detection element is provided on the exhaust steam delivery pipeline;

[0013] The first hollow shaft is arranged on the boiler body, and the first hollow shaft has a double-channel structure. The steam inlet conveying line and the exhaust steam conveying line are connected to the steam inlet pipe and the exhaust pipe respectively through the first hollow shaft, so that the steam inlet pipe, the first hollow shaft and the steam inlet conveying pipeline form an independent conveying line, and the exhaust pipe, the first hollow shaft and the exhaust steam conveying line form another independent conveying line.

[0014] In the grain steamer steam inlet and exhaust system of the present invention, the original single-channel hollow shaft is first designed as a double-channel structure, and then the original single steam inlet and exhaust pipe is designed as two independent pipes. By matching with the double-channel hollow shaft, independent steam inlet and exhaust pipes are formed. The steam inlet and exhaust do not interfere with each other. It is only necessary to set the detection element on the exhaust pipeline. The grain steamer is used as a large buffer container, which solves the problems of fluctuation of the sensor reading value and reduction of control accuracy due to intermittent operation.

[0015] In the present invention, one end of the first hollow shaft is connected to the steam inlet pipeline and the steam exhaust pipeline respectively through the first rotary joint, and the first rotary joint has a dual-channel structure to independently connect the steam inlet pipeline and the steam exhaust pipeline respectively.

[0016] Furthermore, the detection element includes a pressure gauge and a thermometer, which are used to detect the pressure and temperature of the steam in the exhaust steam transmission line. This arrangement can prevent the instantaneous high temperature and high pressure in the boiler from damaging the detection element. The detection element can also be accurately detected in the boiler by arranging it on the exhaust steam transmission line, thus overcoming the defects of the original arrangement.

[0017] The second invention purpose of the present invention is to provide a grain steamer water inlet and outlet system in view of the problem that the current grain steamer water inlet and outlet system causes the safety valve to open frequently and cause safety hazards. The present invention sets independent water inlet channel, steam inlet channel and drainage channel on the original water inlet structure, and the steam inlet, water inlet and drainage do not interfere with each other. It not only solves the defect that the sensor data reaches a peak value in a very short time due to instantaneous high pressure and instantaneous high temperature, but also avoids the problem that the safety valve is frequently tripped due to the forced squeezing of water into the safety valve due to pressure during drainage, thereby overcoming the shortcomings of the existing structure.

[0018] The technical solution adopted by the present invention is as follows: a grain steamer water inlet and outlet system, characterized in that it comprises:

[0019] A water inlet pipeline is connected to the steam / water inlet pipe provided on the under-screen cavity of the boiler body, and water is injected into the boiler through the steam / water inlet pipe;

[0020] The drainage conveying line is connected with the drainage pipe arranged on the lower cavity of the pot body screen, and the water in the pot is discharged through the drainage pipe. The drainage conveying line is provided with a detection element;

[0021] The first hollow shaft and the second hollow shaft are arranged on the pot body and have a double-channel structure. The water inlet pipeline and the drainage transmission line are connected to the steam / water inlet pipe and the drainage pipe respectively through the second hollow shaft, so that the water inlet pipeline, the second hollow shaft and the steam / water inlet pipe form an independent transmission line, and the drainage transmission line, the second hollow shaft and the drainage pipe form another independent transmission line.

[0022] In the grain steamer water inlet and outlet system of the present invention, the original single-channel hollow shaft is first designed as a double-channel structure, and then the original single steam / water inlet pipe is designed as two independent pipes, which are matched with the double-channel hollow shaft to form independent steam / water inlet channels and drainage channels. The steam / water inlet and drainage do not interfere with each other. It is only necessary to set the detection element on the drainage pipeline, and use the grain steamer as a large buffer container, which not only solves the defect that the sensor data reaches a peak value in a very short time due to instantaneous high pressure and instantaneous high temperature, but also avoids the problem that water is squeezed into the safety valve due to forced squeezing of pressure during drainage, resulting in frequent tripping of the safety valve, so that the safety valve achieves the function of safety protection and solves the potential safety hazards.

[0023] In order to better implement the present invention, one end of the second hollow shaft is connected to the water inlet pipeline and the drainage delivery line respectively through the second rotating joint, and the second rotating joint has a dual-channel structure to independently connect the water inlet pipeline and the drainage delivery line respectively.

[0024] Furthermore, the water inlet pipeline is also connected to a steam inlet pipeline, and the steam inlet pipeline injects steam into the boiler body through an independent transmission line formed by the water inlet pipeline.

[0025] In the present invention, in order to better protect the safety valve, one end of the drainage transmission line is connected to a drainage buffer tank, which is used to receive drainage and is provided with a pressure gauge for detecting drainage pressure. By providing a drainage buffer tank and cooperating with an independently provided drainage pipeline, the instantaneous high pressure and instantaneous high temperature generated during drainage can be buffered, and the accuracy of the detection parameters is not affected during the buffering process, and the use effect is good.

[0026] In the present invention, in order to better implement the drainage buffer tank of the present invention, one end of the drainage transmission line connected to the drainage buffer tank extends into the drainage buffer tank and bends toward the top of the drainage buffer tank to form a drainage portion, so that the water in the drainage transmission line rushes to the top of the drainage buffer tank, and an umbrella cap device is provided between the top of the drainage buffer tank and the drainage portion. The umbrella cap device includes an umbrella cap, and the water in the drainage portion directly impacts the umbrella cap. The pressure gauge is provided at the top of the drainage buffer tank to detect the pressure of the drainage by detecting the load borne by the umbrella cap.

[0027] The present invention also includes a grain steamer steam inlet and exhaust system and a grain steamer water inlet and outlet system, characterized in that the grain steamer steam inlet and exhaust system and a grain steamer water inlet and outlet system include a grain steamer steam inlet and exhaust system and a grain steamer water inlet and outlet system, the grain steamer steam inlet and exhaust system adopts the above-mentioned steam inlet and exhaust system, and the grain steamer water inlet and outlet system adopts the above-mentioned steam inlet and exhaust system. The steam inlet and exhaust system and the water inlet and outlet system can not only avoid the problem of easy damage of the detection element, but also protect the safety valve, avoid potential safety hazards, and improve the cooking efficiency and cooking quality.

[0028] The present invention also includes a method for operating a steam inlet and outlet system of a grain steamer, which is characterized by comprising the following operations:

[0029] A. When operating water inlet, water enters the steam / water inlet pipe from the water inlet pipeline, and then directly enters the boiler body;

[0030] B. When operating drainage, steam is sent into the steam inlet pipe through the steam inlet pipeline, and then steam is directly injected into the boiler body, water is pressed into the drainage pipe by steam pressure, and the water is discharged through the drainage transmission line;

[0031] C. When steam is supplied, the steam enters the upper cavity of the boiler body through the steam inlet pipe; when steam needs to be supplied to the cavity under the sieve, the steam enters the lower cavity of the boiler body through the steam / water inlet pipe;

[0032] D. When operating the exhaust, the steam in the boiler flows into the exhaust steam transmission pipeline through the exhaust pipe, and can finally be exhausted through the exhaust steam transmission pipeline.

[0033] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0034] 1. The present invention designs the original single-channel hollow shaft into a double-channel structure, and then designs the original single steam inlet and exhaust pipe into two independent pipes, which are matched with the double-channel hollow shaft to form independent steam inlet and exhaust conveying channels. The steam inlet and exhaust do not interfere with each other. It is only necessary to set the detection element on the exhaust pipeline, and use the grain steamer as a large buffer container, which solves the problems of fluctuation of the sensor reading value and decrease of control accuracy due to intermittent operation, and ensures the service life and detection accuracy of the detection element;

[0035] 2. The present invention designs the original water inlet and outlet system into independent water inlet channels and water outlet channels. The water inlet and water outlet do not interfere with each other. It is only necessary to set the detection element on the drainage pipeline, and use the grain steamer as a large buffer container. It not only solves the defect that the sensor data reaches a peak value in a very short time due to instantaneous high pressure and instantaneous high temperature, but also avoids the problem that the water is squeezed into the safety valve due to forced squeezing of pressure during drainage, resulting in frequent tripping of the safety valve, so that the safety valve achieves the role of safety protection and solves the potential safety hazards.

[0036] 3. The steam inlet and exhaust and water inlet and outlet system and operation method of the grain steamer provided by the present invention can not only avoid the problem of fragile detection elements, but also protect the safety valve, avoid potential safety hazards, and improve the cooking efficiency and cooking quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a structural schematic diagram of the steam inlet, exhaust and drainage system of a grain steamer according to Embodiment 1 of the present invention;

[0038] Figure 2 1 is a schematic structural diagram of a steam inlet and exhaust system of a grain steamer according to Embodiment 1 of the present invention;

[0039] Figure 3 is a structural schematic diagram of a grain steaming pot system according to Embodiment 2 of the present invention;

[0040] Figure 4 Schematic diagram of the structure of the water inlet and outlet system of the grain steamer according to the second embodiment of the present invention;

[0041] Figure 5is a schematic diagram of the drainage pipe structure of embodiment 3 of the present invention;

[0042] Figure 6 It is a schematic cross-sectional structure diagram of a first rotary joint or a second rotary joint of the present invention.

[0043] Markings in the figure: 1 is a grain steamer, 101 is a pot body, 102 is a first port, 103 is a second port, 104 is a cavity above the sieve, 105 is a cavity below the sieve, 106 is a sealing cover, 2 is a sieve, 3 is a first hollow shaft, 4 is a second hollow shaft, 5 is a steam inlet pipe, 6 is an exhaust pipe, 7 is a first rotary joint, 8 is a steam inlet pipeline, 9 is an exhaust pipeline, 10 is a pressure gauge, 11 is a temperature gauge, 12 is a steam inlet / drainage pipe, 13 is a second rotary joint, 14 is a steam inlet / drainage system, 15 is a drainage pipe, 16 is a steam inlet / water inlet pipe, 17 is a steam inlet pipeline, 18 is a water inlet pipeline, 19 is a drainage buffer tank, 20 is a drainage transmission line, 21 is a drainage part, 22 is an umbrella cap, and 23 is a sewage pipeline. DETAILED DESCRIPTION

[0044] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0045] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0046] Example 1

[0047] like Figure 1 and Figure 2 As shown, a grain steaming pot 1 comprises a pot body 101, wherein the upper and lower ends of the pot body 101 are respectively provided with a first port 102 and a second port 103 with a sealing cover 106, a screen 2 is fixedly installed in the pot body 101, and the screen 2 divides the inner cavity of the pot body 101 into two chambers, namely an upper cavity 104 and a lower cavity 105, and hollow shafts are arranged at both ends of the middle part of the pot body 101. Generally, the hollow shafts at both ends of the pot body 101 are symmetrically arranged, and are respectively referred to as a first hollow shaft 3 and a second hollow shaft 4, that is, the existing structural method can be adopted without change.

[0048] In the above-sieve chamber 104, two pipes, namely, a steam inlet pipe 5 and a steam exhaust pipe 6, are arranged on the inner wall of the above-sieve chamber 104. One port of the steam inlet pipe 5 and the steam exhaust pipe 6 are respectively connected to the above-sieve chamber 104, and the other port of the steam inlet pipe 5 and the steam exhaust pipe 6 extend to the end of the rotating shaft in the middle of the boiler body 101, and are respectively fixedly connected to one end of the first hollow shaft 3. The pipe bodies of the steam inlet pipe 5 and the steam exhaust pipe 6 are preferably arranged along the shape of the boiler body 101 to avoid the occurrence of a material jamming area in the boiler body 101, or to prevent the steam inlet pipe 5 and the steam exhaust pipe 6 from being damaged by collision and friction. The hollow cavity of the first hollow shaft 3 is a double-channel structure, and the first hollow shaft 3 is respectively connected to the steam inlet pipe 5 and the steam exhaust pipe 6 through its double-channel structure to separate the steam inlet pipe 5 and the steam exhaust pipe 6. The other end of the first hollow shaft 3 is connected to the steam inlet system and the steam exhaust system through a first rotary joint 7 with a double-channel structure, such as Figure 6 As shown, the steam inlet system forms an independent delivery pipeline through the first rotary joint 7, the first hollow shaft 3 and the steam inlet pipe 5, and the steam exhaust system forms another independent delivery pipeline through the first rotary joint 7, the first hollow shaft 3 and the steam exhaust pipe 6, and the two do not interfere with each other.

[0049] In the above structure, if Figure 2 As shown, the steam inlet system includes a steam inlet delivery pipeline 8 connected to the first rotary joint 7, and a control valve (not shown in the figure) for controlling steam delivery is arranged on the steam inlet delivery pipeline 8. The added steam flows through the first rotary joint 7, the first hollow shaft 3 and the steam inlet pipe 5 in sequence through the steam inlet delivery pipeline 8, and then the steam is delivered to the upper screen chamber 104 through the steam inlet pipe 5. Correspondingly, the steam exhaust system includes an exhaust steam delivery pipeline 9 connected to the first rotary joint 7, and the exhaust steam delivery pipeline 9 is provided with control valves, pressure gauges 10, temperature gauges 11, pressure sensors, temperature sensors, safety valves and other components, and one or more of these components are selected according to needs. The steam in the upper screen chamber 104 flows through the exhaust pipe 6, the first hollow shaft 3, the first rotary joint 7 and the exhaust steam delivery pipeline 9 in sequence, and finally the steam is exhausted through the exhaust steam delivery pipeline 9.

[0050] Furthermore, a steam inlet / drainage pipe 12 is provided on the inner wall of the under-sieve chamber 105, one end of the second hollow shaft 4 is connected to the steam inlet / drainage pipe 12, and the other end thereof is connected to a steam inlet / drainage system 14 via a second rotary joint 13, and the steam inlet / drainage system 14 is provided with control elements such as a pressure gauge 10, a temperature gauge 11, a pressure sensor, a temperature sensor, and a safety valve, so that the grain steamer can detect pressure and temperature through sensors, thereby constituting a steam inlet / drainage structure commonly used in existing grain steamers.

[0051] In this embodiment, when the steam is fed into the screen, the steam is transported into the steam inlet pipe 5 through the steam inlet system, and the steam inlet pipe 5 sends the steam into the screen cavity 104. After the steam is buffered by the pot body 101, it is discharged out of the cavity through the exhaust system. At this time, the pressure sensor, temperature sensor and other components on the exhaust system detect the steam. In other words, the pot body 101 is used as a large buffer, and the steam is detected only after being buffered by the pot body 101, thereby solving the technical problem of the sensor reaching the peak value when the steam is frequently turned on. At the same time, the steam intake and exhaust processes are independent of each other and do not interfere with each other. When the steam is intermittently introduced or discharged, the stability of the sensor and other components will not be reduced, thereby avoiding the problem of large fluctuations in the reading value, thereby reducing the control accuracy, and effectively eliminating the impact on the efficiency and quality of steaming grain.

[0052] Example 2

[0053] Example 2 is the same as Example 1, except that a drain pipe 15 and a steam / water inlet pipe 16 are provided on the inner wall of the under-sieve chamber 105. Figure 3 and Figure 4 As shown, the second hollow shaft 4 and the second rotary joint 13 also have a dual-channel structure. One end of the second hollow shaft 4 is connected to the drainage pipe 15 and the steam / water inlet pipe 16, and the other end is connected to the drainage system and the steam / water inlet system through the second rotary joint 13. The steam / water inlet system, the second hollow shaft 4 and the second rotary joint 13 form an independent transmission pipeline, and the drainage system, the second hollow shaft 4 and the second rotary joint 13 form another independent transmission pipeline. The steam / water inlet system includes a steam inlet pipeline 17 and a water inlet pipeline 18 with control elements, which are used to transport steam and water respectively. The drainage system includes a drainage buffer tank 19. One interface of the drainage buffer tank 19 is connected to the second rotary joint 13 through the drainage transmission line 20, and the other interface of the drainage buffer tank 19 is connected to the sewage pipeline 23. The drainage buffer tank 19 is provided with components such as a pressure gauge 10 and a pressure sensor, and the drainage transmission line 20 is also provided with components such as a temperature gauge 11 and a temperature sensor.

[0054] When the water is inlet, the water passes through the water inlet pipeline 18, the second rotary joint 13, the second hollow shaft 4 and the steam / water inlet pipe 16 in sequence, and finally reaches the pot body 101. The whole process will not interfere with other systems and structures; when the steam is inlet under the screen, the steam passes through the steam inlet pipeline 17, the second rotary joint 13, the second hollow shaft 4 and the steam / water inlet pipe 16 in sequence, and finally reaches the pot body 101; when the drainage is operated, steam is injected into the pot body 101 through the steam inlet system of the upper cavity 104 of the screen, and the water is forced out of the drainage pipe 15 to the drainage buffer tank 19 by the pressure of the steam. The detection instrument of the drainage conveying line 20 can effectively detect the temperature of the drainage, and the detection element on the drainage buffer tank 19 can detect the steam pressure during drainage. Such a setting can effectively protect the detection element from being frequently opened, thereby increasing the service life of the detection element.

[0055] Example 3

[0056] Embodiment 3 is the same as Embodiment 2, except that the drain pipe 15 is arranged in the position of the under-sieve cavity 105 close to the second port 103 under the pot body 101. Figure 5 As shown, the drain pipe 15 is located at the bottom of the under-sieve chamber 105 , so that the water in the under-sieve chamber 105 can be better discharged through the drain pipe 15 .

[0057] Example 4

[0058] This embodiment is the same as the second embodiment, except that, considering that the water will be squeezed into the safety valve due to the forced squeezing of pressure during drainage, the safety valve will frequently trip, directly affecting the life of the safety valve and causing production safety hazards, such as Figure 4 As shown, one end of the drainage conveying line 20 connected to the drainage buffer tank 19 extends into the drainage buffer tank 19 and bends toward the top of the drainage buffer tank 19 to form a drainage portion 21, so that the water in the drainage conveying line 20 rushes to the top of the drainage buffer tank 19. The pressure gauge, pressure sensor and other components of the drainage buffer tank 19 are arranged on its top. In the drainage buffer tank 19, an umbrella cap device is arranged between its top and the drainage portion 21. The umbrella cap device includes an umbrella cap 22 with an umbrella structure, and the water discharged from the drainage portion 21 directly impacts the umbrella cap 22. The umbrella cap 22 has no direct relationship with the drainage buffer tank 19, and the umbrella cap 22 is directly fixed to the drainage portion 21. The function of the umbrella cap 22 is to block the water during drainage so that the water falls downward, thereby preventing the water from rushing to the top of the drainage buffer tank 19 and entering the safety valve and pressure gauge and other electronic components, thereby damaging the pressure gauge. During the cooking process, the valve of the drainage buffer tank 19 is closed, and the drainage buffer tank 19 is connected to the grain steaming pot 1. The pressure in the grain steaming pot 1 can be detected by the pressure gauge on the drainage buffer tank 19. This setting can effectively protect the detection element from being opened frequently, thereby increasing the service life of the detection element.

[0059] Example 5

[0060] This embodiment relates to a method for operating a grain steamer to add or exhaust steam and water. During the 360° rotation of the grain steamer, steam is added or exhausted, water is added or drained into the steamer through double-channel hollow shafts at both ends of the grain steamer. The control method includes the following steps:

[0061] A. When operating water inlet, water enters the second rotary joint 13 and the second hollow shaft 4 from the water inlet pipeline 18, and then directly enters the under-sieve cavity 105 of the boiler body 101 through the steam / water inlet pipe 16;

[0062] B. When operating drainage, steam enters the first hollow shaft 3 through the steam inlet delivery pipeline 8 and the first rotary joint 7. The first hollow shaft 3 delivers steam into the steam inlet pipe 5, and then directly injects steam into the boiler through the steam inlet pipe 5. The water is pressed into the drainage pipe 15 by the steam pressure, and the water is forced to be discharged into the drainage buffer tank 19 through the drainage delivery line 20. The discharged water is first blocked by the umbrella cap device and falls downward, and then concentratedly discharged from the sewage outlet of the drainage buffer tank 19. Finally, the drainage is transported away through the sewage pipeline 23. The pressure sensor on the drainage buffer tank 19 can effectively detect the steam pressure during drainage; and the temperature sensor on the drainage delivery line 20 can effectively detect the temperature of the drainage;

[0063] C. When operating the steam inlet, the upper sieve chamber 104 directly inlets steam through the steam inlet pipe 5. For the lower sieve chamber 105, the water inlet line 18 is closed and the steam inlet line 17 is opened. The steam enters the second hollow shaft 4 through the steam inlet line 17 and then enters the lower sieve chamber 105 through the steam / water inlet pipe 16, thereby realizing the steam inlet of the upper sieve chamber 104 and the lower sieve chamber 105 in the pot;

[0064] D. When operating the exhaust, open the exhaust pipe 6, and the steam in the pot flows into the exhaust conveying pipeline 9 through the exhaust pipe 6, and can finally be exhausted through the exhaust conveying pipeline 9. No matter it is exhausting the steam from the upper cavity 104 or the lower cavity 105, the pot body 101 of the grain steaming pot 1 is used as a large buffer to buffer the steam before it is detected, which solves the technical problem that the sensor reaches the peak value when the steam is frequently turned on.

[0065] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steam inlet and outlet system for a grain steamer, characterized in that: The grain steamer steam inlet and exhaust and water inlet and outlet system comprises a grain steamer steam inlet and exhaust system and a grain steamer water inlet and outlet system; The grain steamer steam inlet and exhaust system comprises: The steam inlet system includes a steam inlet pipeline, which is connected to a steam inlet pipe provided on the upper cavity of the boiler body screen, and the steam inlet pipeline injects steam into the boiler body through the steam inlet pipe. A control valve for controlling steam delivery is provided on the steam inlet pipeline; The exhaust system includes an exhaust steam delivery pipeline, which is connected to an exhaust pipe provided on the upper cavity of the boiler body screen, and the exhaust steam delivery pipeline discharges steam through the exhaust pipe. A detection element is provided on the exhaust steam delivery pipeline; A first hollow shaft is arranged on the boiler body, the first hollow shaft has a double-channel structure, the steam inlet conveying pipeline and the exhaust steam conveying pipeline are respectively connected to the steam inlet pipe and the exhaust steam pipe through the first hollow shaft, so that the steam inlet pipe, the first hollow shaft and the steam inlet conveying pipeline form an independent conveying line, and the exhaust steam pipe, the first hollow shaft and the exhaust steam conveying pipeline form another independent conveying line; The steam is transported to the steam inlet pipe through the steam inlet system. The steam inlet pipe sends the steam into the cavity above the screen. After being buffered by the boiler body, the steam is discharged out of the cavity through the exhaust system. The detection element on the exhaust system detects the steam at this time. The grain steamer water inlet and outlet system comprises: A water inlet pipeline is connected to the steam / water inlet pipe provided on the under-screen cavity of the boiler body, and water is injected into the boiler through the steam / water inlet pipe; The drainage conveying line is connected with the drainage pipe arranged on the lower cavity of the pot body screen, and the water in the pot is discharged through the drainage pipe. The drainage conveying line is provided with a detection element; The first hollow shaft and the second hollow shaft are arranged on the pot body and have a double-channel structure. The water inlet pipeline and the drainage transmission line are connected to the steam / water inlet pipe and the drainage pipe respectively through the second hollow shaft, so that the water inlet pipeline, the second hollow shaft and the steam / water inlet pipe form an independent transmission line, and the drainage transmission line, the second hollow shaft and the drainage pipe form another independent transmission line.

2. The grain steamer steam inlet and exhaust and water inlet and outlet system as claimed in claim 1, characterized in that: One end of the first hollow shaft is connected to the steam inlet pipeline and the exhaust steam pipeline respectively through a first rotary joint, and the first rotary joint has a dual-channel structure to independently connect the steam inlet pipeline and the exhaust steam pipeline respectively.

3. The steam inlet and outlet system for a grain steamer as claimed in claim 2, characterized in that: The detection element comprises a pressure gauge and a thermometer, and the pressure gauge and the thermometer are used to detect the pressure and temperature of the steam in the exhaust steam transmission pipeline.

4. The steam inlet and exhaust system for grain steamers as claimed in claim 1, characterized in that: One end of the second hollow shaft is connected to the water inlet pipeline and the drainage delivery line respectively through a second rotating joint, and the second rotating joint has a double-channel structure to independently connect the water inlet pipeline and the drainage delivery line respectively.

5. The grain steamer steam inlet and exhaust and water inlet and outlet system as claimed in claim 4, characterized in that: The water inlet pipeline is also connected to a steam inlet pipeline, and the steam inlet pipeline injects steam into the boiler body through an independent transmission line formed by the water inlet pipeline.

6. The steam inlet and exhaust system for grain steamers as claimed in claim 5, characterized in that: One end of the drainage conveying line is connected to a drainage buffer tank, and the drainage buffer tank is used to receive drainage. The drainage buffer tank is provided with a pressure gauge for detecting drainage pressure.

7. The steam inlet and outlet system for a grain steamer as claimed in claim 6, characterized in that: One end of the drainage transmission line connected to the drainage buffer tank extends into the drainage buffer tank and bends toward the top of the drainage buffer tank to form a drainage portion, so that the water in the drainage transmission line rushes to the top of the drainage buffer tank. An umbrella cap device is provided between the top of the drainage buffer tank and the drainage portion. The umbrella cap device includes an umbrella cap, and the water in the drainage portion directly impacts the umbrella cap. The pressure gauge is provided on the top of the drainage buffer tank to detect the drainage pressure by detecting the load borne by the umbrella cap.

8. The method for operating the steam inlet and exhaust system and the water inlet and outlet system of a grain steamer according to claim 7, characterized in that: The following operations are included: A. When operating water inlet, water enters the steam / water inlet pipe from the water inlet pipeline, and then directly enters the boiler body; B. When operating drainage, steam is sent into the steam inlet pipe through the steam inlet pipeline, and then steam is directly injected into the boiler body, water is pressed into the drainage pipe by steam pressure, and the water is discharged through the drainage transmission line; C. When steam is supplied, the steam enters the upper cavity of the boiler body through the steam inlet pipe; when steam needs to be supplied to the cavity under the sieve, the steam enters the lower cavity of the boiler body through the steam / water inlet pipe; D. When operating the exhaust, the steam in the boiler flows into the exhaust steam transmission pipeline through the exhaust pipe, and can finally be exhausted through the exhaust steam transmission pipeline.

9. A grain steaming pot, comprising a pot body, a screen is fixedly installed in the pot body, the screen divides the inner cavity of the pot body into two chambers, an upper cavity and a lower cavity, and a first hollow shaft and a second hollow shaft are respectively arranged at both ends of the middle of the pot body, characterized in that: It comprises the steam inlet and exhaust system and the water inlet and exhaust system for a grain steamer as described in any one of claims 1 to 7; Two pipes, a steam inlet pipe and a steam exhaust pipe, are arranged on the inner wall of the upper sieve cavity. One end of the steam inlet pipe and the steam exhaust pipe are respectively connected to the upper sieve cavity. The other end of the steam inlet pipe and the steam exhaust pipe extend to the end of the rotating shaft in the middle of the boiler body and are respectively fixedly connected to one end of the first hollow shaft. The hollow cavity of the first hollow shaft is a double-channel structure. The first hollow shaft is respectively connected to the steam inlet pipe and the steam exhaust pipe through its double-channel structure. The other end of the first hollow shaft is connected to the steam inlet system and the steam exhaust system. A drainage pipe and a steam / water inlet pipe are arranged on the inner wall of the under-sieve chamber. The second hollow shaft also has a double-channel structure. One end of the second hollow shaft is connected to the drainage pipe and the steam / water inlet pipe, and the other end is connected to the drainage system and the steam / water inlet system.

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