Fermented grain smoking system with fermented grain residue intercepting function

Abstract

The utility model discloses a fermented grain smoking system with a fermented grain residue intercepting function, which comprises an air supply system, a fermented grain smoking machine and a condensing system, the air supply system comprises a fan and an air supply pipeline, and the air supply pipeline is connected with an air inlet of a cabin; an air outlet of the cabin is connected with the condensation system, at least one air inlet valve and at least one air outlet valve are arranged on the cabin, and cover plates are detachably arranged at the extending ends of the air inlet valves and the extending ends of the air outlet valves in a sealed mode; the end, facing the interior of the cabin, of the intercepting piece is a feeding end, the feeding end is connected with the air outlet valve in a sleeved mode, the end, facing the shell, of the intercepting piece is a discharging end, the size of the discharging end is smaller than the inner diameter of the air outlet valve, and a gap used for storing fermented grain residues is formed between the intercepting piece and the inner wall of the air outlet valve. The device can intercept fermented grains and prevent the fermented grains from blocking the air outlet; the fumigating device is suitable for fumigating the vinegar grains in the vinegar brewing industry.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of fumigating and fermenting machine, concretely relates to a fumigating and fermenting system with intercepting function of lees. BACKGROUND

[0002] The fumigating and fermenting machine is mainly used in the industry of brewing vinegar, and the automatic fumigating and fermenting is used to loosen the vinegar dregs, ensure the full contact of the vinegar dregs with oxygen, accelerate the Maillard reaction of the vinegar dregs, and quickly generate the color and aroma components of vinegar.

[0003] The existing fumigating and fermenting system comprises a gas supply system, a fumigating and fermenting machine and a condensing system arranged in sequence, wherein the fumigating and fermenting machine comprises a cabin and a shell sleeved outside the cabin, the shell is provided with a feeding port communicated with the cabin, the gas supply system comprises a fan and a gas supply pipeline connected with the air outlet end of the fan, the other end of the gas supply pipeline is connected with the air inlet of the cabin, the air outlet of the cabin is connected with the condensing system through a steam pipeline, the vinegar steam in the cabin is cooled to form condensed vinegar after entering the condensing system, and the condensed vinegar is collected in a storage tank for use in a vinegar spraying workshop, so as to avoid waste of the vinegar steam and environmental pollution caused by the volatilization of the vinegar steam.

[0004] However, when the cabin of the fumigating and fermenting machine rotates, the vinegar dregs in the cabin will rotate, and due to the gravity and the wind direction, part of the lees will penetrate the filter screen and enter the air outlet pipeline, and with the increase of time, the part of the lees will block the air outlet pipeline or adhere to the air outlet of the cabin, thereby affecting the normal ventilation of the steam pipeline. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems in the prior art, the utility model aims to provide a fumigating and fermenting system with the function of intercepting lees, so as to intercept the lees and prevent the lees from blocking the air outlet.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A fumigating and fermenting system with the function of intercepting lees, comprising a gas supply system, a fumigating and fermenting machine and a condensing system, the gas supply system comprises a fan and a gas supply pipeline connected with the air outlet end of the fan, the gas supply pipeline is connected with the air inlet of the cabin, the air outlet of the cabin is connected with the condensing system through a steam pipeline, at least one air inlet valve and at least one air outlet valve are arranged on the cabin.

[0008] The air inlet valve and the air outlet valve both penetrate the cabin wall, the air inlet valve and the air outlet valve are both inserted into the cabin, the air inlet valve and the air outlet valve are both extended from the shell, and the extended end of the air inlet valve and the extended end of the air outlet valve are both detachably provided with a cover plate.

[0009] One air inlet port is arranged on each air inlet valve, and one air outlet port is arranged on each air outlet valve.

[0010] The intercepting piece is hollow inside, one end of the intercepting piece towards the cabin interior is a feeding end, the feeding end is sleeved with the air outlet valve, one end of the intercepting piece towards the shell is a discharging end, the size of the discharging end is smaller than the inner diameter of the air outlet valve, and a gap for storing the fermented grains is formed between the intercepting piece and the inner wall of the air outlet valve.

[0011] As a limitation of the utility model, the intercepting piece is a conical table structure, the large diameter end is the feeding end, and the intercepting piece is sleeved on the inner wall of the air outlet valve; the small diameter end is the discharging end, and a gap for storing the fermented grains is formed between the outer wall of the intercepting piece and the inner wall of the air outlet valve.

[0012] As a further limitation of the utility model, the intercepting piece is hollow inside, one end of the intercepting piece towards the cabin interior is a feeding end, the feeding end is sleeved with the air inlet valve, one end of the intercepting piece towards the shell is a discharging end, the size of the discharging end is smaller than the inner diameter of the air inlet valve, and a gap for storing the fermented grains is formed between the intercepting piece and the inner wall of the air inlet valve.

[0013] As another limitation of the utility model, the end of the air inlet valve and the air outlet valve extending into the cabin interior is fixedly provided with a filter block, and a plurality of air holes are arranged on the filter block.

[0014] As a further limitation of the utility model, the filter block is a square structure, and the plurality of air holes are arranged on the opposite two sides of the filter block.

[0015] As another limitation of the utility model, the number of the air inlet valve and the air outlet valve is three, the three air inlet valves are arranged at equal intervals along the circumferential direction of the cabin, and the three air outlet valves are also arranged at equal intervals along the circumferential direction of the cabin.

[0016] The air supply pipeline comprises a first main pipeline connected with the air outlet end of the fan, three first branch pipelines respectively connected with the air inlets of the three air inlet valves, and the three first branch pipelines are connected with the first main pipeline after being gathered at one place.

[0017] The steam pipeline comprises a second main pipeline connected with the condensing system, three second branch pipelines respectively connected with the air outlets of the three air outlet valves, and the three second branch pipelines are connected with the second main pipeline after being gathered at one place.

[0018] As a further limitation of the utility model, the cabin comprises a first cabin and a second cabin arranged independently, and the first cabin and the second cabin are each provided with three air inlet valves and three air outlet valves.

[0019] The three air inlet valves on the first cabin are respectively connected with a first branch pipeline;

[0020] The three air inlet valves on the second cabin are respectively connected with a first branch pipeline through a pipeline;

[0021] The three air outlet valves on the second cabin are respectively connected with a second branch pipeline.

[0022] The three air outlet valves on the first cabin are each connected to a second branch pipeline through a pipeline.

[0023] As another limitation of the present application, a gas pressure electromagnetic valve is arranged on the gas supply pipeline.

[0024] As a further limitation of the present application, a gas flow meter is further arranged on the gas supply pipeline.

[0025] Thanks to the above technical solutions, the present application has the following advantages over the prior art:

[0026] (1) The present application is provided with at least one air inlet valve and at least one air outlet valve on the cabin of the fumigating machine, the air inlet valve is provided with an air inlet, the air inlet is connected to the air supply system through a gas supply pipeline, and the air supply system uses a fan to input air into the cabin. The air outlet valve is provided with an air outlet, and the air outlet is connected to the condensing system through a steam pipeline. The air outlet valve is sleeved with an intercepting member with a hollow interior, and the intercepting member and the inner wall of the air outlet valve form an air gap for storing the lees. When the fumigating machine rotates, the vinegar dregs in the cabin will rotate with it. Due to gravity, the vinegar dregs will come into contact with the bottom wall of the cabin. When the air outlet valve is located at the bottom, part of the lees will fall into the air outlet valve. At this time, the lees enter through the feeding end of the intercepting member and enter the air gap between the intercepting member and the inner wall of the air outlet valve through the discharging end of the intercepting member, solving the problem that the lees adhere to the air outlet on the air outlet valve in the prior art, block the air outlet, and affect the normal ventilation of the steam pipeline.

[0027] (2) The condensing system in the present application can condense and recycle the generated vinegar vapor, and also avoids direct discharge of the vinegar vapor into the air to cause environmental pollution, and is more environmentally friendly.

[0028] In summary, the present application can intercept lees and prevent the lees from blocking the air outlet. The present application is suitable for fumigating vinegar dregs in the vinegar brewing industry. BRIEF DESCRIPTION OF DRAWINGS

[0029] The present application will be described in further detail below in combination with the drawings and specific embodiments.

[0030] Figure 1 It is a front view structural schematic diagram of the embodiment of the present application.

[0031] Figure 2 It is a side view structural schematic diagram of the air supply system in the embodiment of the present application.

[0032] Figure 3 It is a side view structural schematic diagram of the condensing system in the embodiment of the present application.

[0033] Figure 4It is the structure schematic view of the intercepting piece in the embodiment of the utility model.

[0034] Figure 5 It is the structure schematic view of the intercepting piece in the embodiment of the utility model.

[0035] Figure 6 It is the structure schematic view of the intercepting piece in the embodiment of the utility model.

[0036] Figure 7 It is the structure schematic view of the intercepting piece in the embodiment of the utility model.

[0037] In the drawing: 1-cabin, 101-first cabin, 102-second cabin, 2-air supply system, 21-fan, 22-first main pipeline, 23-first branch pipeline, 3-condensing system, 31-second main pipeline, 32-second branch pipeline, 33-condensing recovery assembly, 34-water storage pool, 35-recovery bucket, 4-air inlet, 5-air outlet, 6-air inlet valve, 7-air outlet valve, 8-intercepting piece, 81-feeding end, 82-discharging end, 9-interstitial space, 10-filtering block, 11-air hole, 12-air pressure electromagnetic valve, 13-gas flow meter, 14-housing, 15-first feeding port, 16-second feeding port, 17-air inlet disc, 18-air outlet disc. DETAILED DESCRIPTION

[0038] The preferred embodiments of the utility model are described below in combination with the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and do not constitute a limitation on the utility model.

[0039] As Figures 1-7 shown, the embodiment includes air supply system 2, fumigation machine and condensing system 3, air supply system 2 is used to ventilate air to the cabin 1 located inside the housing 14; fumigation machine is used for fumigation work, accelerates the Maillard reaction of vinegar dregs; condensing system 3 is used for recycling the vinegar steam inside the cabin 1, which can improve the yield by 10%-20%, and avoid the pollution of volatile vinegar steam to the environment. At least one air inlet valve 6 and at least one air outlet valve 7 are arranged on the cabin 1 in the embodiment of the utility model, and the intercepting piece 8 with a hollow inside is sleeved in the air outlet valve 7, and the air gap 9 for storing dregs is formed between the intercepting piece 8 and the inner wall of the air outlet valve 7. When the cabin 1 rotates, part of the dregs falls into the air gap 9, avoiding adhering to the air outlet 5 or the air inlet 4.

[0040] I. Intercepting piece 8;

[0041] As Figure 5As shown, the intercepting member 8 in this embodiment is in the structure of a conical frustum, and is hollow inside. One end (i.e. the large diameter end) of the intercepting member 8 towards the inside of the cabin 1 is the feeding end 81, which is sleeved on the inner wall of the air outlet valve 7, see Figure 6 , and the other end (i.e. the small diameter end) towards the shell 14 is the discharging end 82, which has a size smaller than the inner diameter of the air outlet valve 7. The space 9 for storing the fermented grains is formed between the outer wall of the intercepting member 8 and the inner wall of the air outlet valve 7. When the rotatory fermenting machine rotates, the vinegar dregs in the cabin 1 will rotate with it. Due to the gravity, the vinegar dregs will contact the bottom wall of the cabin 1. When the air outlet valve 7 is at the bottom, part of the fermented grains will fall into the air outlet valve 7. At this time, the fermented grains will enter the intercepting member 8 through the feeding end 81, and then enter the space 9 between the intercepting member 8 and the inner wall of the air outlet valve 7 through the discharging end 82, see Figure 7 , so as to avoid the fermented grains from blocking the air outlet 5 and affecting the normal ventilation of the steam pipeline.

[0042] Of course, the intercepting member 8 in this embodiment can also have other structures, as long as the following conditions are met: 1. One end of the intercepting member 8 towards the inside of the cabin 1 is circular, and has a diameter equal to the inner diameter of the air outlet valve 7, so as to be clamped in the air outlet valve 7; 2. The other end of the intercepting member 8 towards the shell 14 has a size smaller than the inner diameter of the air outlet valve 7; 3. The space 9 is formed between the outer wall of the intercepting member 8 and the inner wall of the air outlet valve 7; so that the fermented grains can enter the space 9.

[0043] The air inlet valve 6 is also provided with the hollow intercepting member 8, which has the same structure as described above. One end (i.e. the large diameter end) of the intercepting member 8 towards the inside of the cabin 1 is the feeding end 81, which is sleeved with the air inlet valve 6. The other end (i.e. the small diameter end) towards the shell 14 is the discharging end 82, which has a size smaller than the inner diameter of the air inlet valve 6. The space 9 for storing the fermented grains is formed between the intercepting member 8 and the inner wall of the air inlet valve 6. The function of the intercepting member 8 in the air inlet valve 6 is the same as described above, i.e. to avoid the fermented grains from blocking the air inlet 4 and affecting the air entering the cabin 1.

[0044] II. The cabin 1;

[0045] As shown in Figure 1 , 4 , the cabin 1 in this embodiment includes the first cabin 101 and the second cabin 102 which are independently arranged. The first cabin 101 and the second cabin 102 work simultaneously during the fermentation, which improves the fermentation efficiency. The first cabin 101 is provided with the first feeding port 15, and the second cabin 102 is provided with the second feeding port 16. The first feeding port 15 and the second feeding port 16 are used for feeding the first cabin 101 and the second cabin 102, and also used for pouring out the vinegar dregs in the first cabin 101 and the second cabin 102.

[0046] III. The air inlet valve 6 and the air outlet valve 7;

[0047] As shown inFigure 4 As shown, the structure and setting position of the air inlet valve 6 and the air outlet valve 7 are the same, and the air outlet valve 7 is taken as an example: the air outlet valve 7 is a circular tube structure, the air outlet valve 7 penetrates the cabin wall of the cabin 1, the air inlet valve 6 and the air outlet valve 7 are close to one end of the cabin 1 and extend into the cabin 1, and the air inlet valve 6 and the air outlet valve 7 extend out of the shell 14. The end of the air outlet valve 7 extending out of the shell 14 is the extending end, and a cover plate is detachably arranged on the extending end. The structure and mounting method of the cover plate are prior art, and will not be described here. Figure 4 The cover plate is not shown. It should be noted that the discharge end 82 of the intercepting part 8 is a certain distance away from the cover plate, so that the fermented grains can enter the gap 9 from the discharge end 82. Similarly, the extending end of the air inlet valve 6 is also detachably provided with a cover plate, which will not be described here.

[0048] As shown in Figure 1 , 4 In this embodiment, three air inlet valves 6 and three air outlet valves 7 are arranged on the first cabin 101 and the second cabin 102 respectively, a total of six air outlet valves 7 and six air inlet valves 6, three air inlet valves 6 are arranged at equal intervals along the circumferential direction of the cabin 1, and three air outlet valves 7 are also arranged at equal intervals along the circumferential direction of the cabin 1. An air inlet 4 is arranged on each air inlet valve 6, and the air inlet 4 is connected to the air supply system 2 through a pipeline. An air outlet 5 is arranged on each air outlet valve 7, and the air outlet 5 is connected to the condensing system 3 through a pipeline. This arrangement can ensure that the air entering the cabin 1 is more uniform, so that the vinegar dregs are in sufficient contact with oxygen; at the same time, it can also ensure that the vinegar steam at each position in the cabin 1 is smoothly discharged from the air outlet valve 7 to the condensing system 3. Of course, the number of air inlet valves 6 and air outlet valves 7 can also be one, two or other numbers.

[0049] It should be noted that if the number of cabins 1 is only one, then only three air inlet valves 6 and three air outlet valves 7 are arranged on the cabin 1.

[0050] As shown in Figure 4 , 6As shown, the end of the air inlet valve 6 and the air outlet valve 7 extending into the cabin 1 is fixed with a filter block 10, and a plurality of air holes 11 are arranged on the filter block 10. The filter block 10 fixed on the air inlet valve 6 and the air outlet valve 7 has the same structure, and the filter block 10 on the air outlet valve 7 is taken as an example: the filter block 10 has a square structure, and a plurality of air holes 11 are arranged on the opposite two sides of the filter block 10. The filter block 10 is arranged to intercept the vinegar dregs into the air outlet valve 7, but part of the dregs will still enter. When the dregs enter, the intercepting piece 8 will intercept the dregs in the gap 9, and the filter block 10 and the intercepting piece 8 play a double interception role. In addition, the outer contour of the filter block 10 is square, which has a larger contact area with the vinegar dregs than the circular structure, so that more dregs are intercepted. At the same time, the air holes 11 can also ensure that the vinegar steam smoothly enters the condensing system 3.

[0051] Similarly, the filter block 10 on the air inlet valve 6 can not only intercept the vinegar dregs into the air inlet valve 6, but also ensure that the air smoothly enters the cabin 1 through the air holes 11.

[0052] Four, the air supply system 2;

[0053] As shown in Figure 1 , 2 , 4, in the embodiment, the first cabin 101 is arranged close to the air supply system 2, and the first cabin 101 is provided with three air inlet valves 6 and three air outlet valves 7.

[0054] The air supply system 2 includes a fan 21 and an air supply pipeline connected with the air outlet end of the fan 21;

[0055] The air supply pipeline includes a first main pipeline 22 and three first branch pipelines 23. The first main pipeline 22 is connected with the air outlet end of the fan 21, and the three first branch pipelines 23 are respectively connected with the three air inlet valves 6 of the first cabin 101. The three first branch pipelines 23 are connected at the air inlet port 4 of the air inlet valve 6, and the three first branch pipelines 23 are connected with the first main pipeline 22 after converging at the air inlet disc 17. The air inlet disc 17 can ensure that the air path is more smooth, and the air inlet disc 17 uses the prior art, and its structure will not be described in detail.

[0056] As shown in Figure 4 , the three air inlet valves 6 on the second cabin 102 are respectively connected with a first branch pipeline 23 through a pipeline. In other words, each first branch pipeline 23 supplies air to two air inlet valves 6, and one of the two air inlet valves 6 is located on the first cabin 101, and the other air inlet valve 6 is located on the second cabin 102.

[0057] Further, as shown in Figure 2As shown, the gas supply pipeline is provided with a gas pressure electromagnetic valve 12 and a gas flow meter 13. The gas pressure electromagnetic valve 12 can prevent the acetate-containing gas in the first cabin 101 and the second cabin 102 from flowing back into the fan 21, thereby preventing corrosion of the fan 21. The gas flow meter 13 can realize accurate control of the oxygen supply amount. The gas pressure electromagnetic valve 12 and the gas flow meter 13 both adopt prior art, and the structure and principle thereof will not be described in detail in the present embodiment.

[0058] V. Condensing system 3, steam pipeline;

[0059] As shown in Figure 1 , 3 , in the present embodiment, the second cabin 102 is arranged close to the condensing system 3, and the condensing system 3 is used for condensing acetate vapor. The condensing system 3 adopts prior art, and the structure and principle thereof will not be described in detail here. The condensing system 3 comprises a condensing and recycling assembly 33, a steam pipeline, a water storage pool 34 and a recycling barrel 35.

[0060] The steam pipeline is used for connecting the first cabin 101 and the second cabin 102, so that the acetate vapor in the first cabin 101 and the second cabin 102 is discharged into the condensing system 3. As shown in Figure 1 , 3 , 4, the steam pipeline comprises a second main pipeline 31 and three second branch pipelines 32. The second main pipeline 31 is connected with the condensing and recycling assembly 33. The three second branch pipelines 32 are respectively connected with three gas outlet valves 7 in the second cabin 102. The three second branch pipelines 32 are connected at the gas outlets 5 of the gas outlet valves 7 and are connected with the second main pipeline 31 after converging at a gas outlet disc 18. The gas outlet disc 18 can ensure smooth flow of the gas pipeline. The gas outlet disc 18 adopts prior art, and the structure thereof will not be described in detail.

[0061] As shown in Figure 4 , the three gas outlet valves 7 on the first cabin 101 are respectively connected with one second branch pipeline 32 through the pipeline. In other words, each second branch pipeline 32 is in communication with two gas outlet valves 7. One of the two gas outlet valves 7 is located on the second cabin 102, and the other is located on the first cabin 101.

[0062] In operation, the gas in the first cabin 101 and the second cabin 102 enters the three second branch pipelines 32 through the gas outlet valves 7, and then enters the condensing and recycling assembly 33 through the second main pipeline 31. After being condensed and liquefied by the condensing and recycling assembly 33, the gas flows into the recycling barrel 35 to complete recycling. At the same time, the cooling water in the condensing and recycling assembly 33 continuously flows into the water storage pool 34 for cooling. The cooling water that has completed cooling flows into the condensing and recycling assembly 33 again, so as to realize cyclic circulation to ensure the recycling effect of the condensing and recycling assembly 33.

[0063] It should be noted that if the number of the cabin 1 is only one, then the cabin 1 is provided with only three air inlet valves 6 and three air outlet valves 7, at this time, the three first branch pipes 23 are connected to the air inlet ports 4 of the air inlet valves 6, and the three first branch pipes 23 are connected to the first main pipe 22 after being gathered together; the three second branch pipes 32 are connected to the air outlet ports 5 of the air outlet valves 7, and the three second branch pipes 32 are connected to the second main pipe 31 after being gathered together.

[0064] When the embodiment is used, the fumigating machine carries out fumigating operation, the air supply system 2 supplies air to the inside of the cabin 1 by using the fan 21, the vinegar steam in the cabin 1 enters the condensing system 3 through the air outlet valve 7, the vinegar steam is condensed into condensed vinegar by the condensing system 3, and then is collected after being discharged from below the condensing system 3. The intercepting part 8 in the air outlet valve 7 can intercept the fermented grains, so that the fermented grains are prevented from being attached to the air outlet port 5 to cause blockage, and then the discharge of the vinegar steam is affected, and the working efficiency of the fumigating machine is greatly improved.

[0065] It should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the above embodiments, for those skilled in the art, the technical solutions recorded in the above embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A fumigation system with the function of intercepting mash residue, comprising an air supply system, a fumigation machine, and a condensation system, wherein the air supply system includes a fan and an air supply pipeline connected to the air outlet of the fan, the air supply pipeline being connected to the air inlet of the machine compartment; the air outlet of the machine compartment is connected to the condensation system via a steam pipeline, characterized in that, The cabin is equipped with at least one air intake valve and at least one air exhaust valve; Both the intake valve and the exhaust valve penetrate the cabin wall. The end of the intake valve and the exhaust valve closest to the cabin extends into the cabin, while the end of the intake valve and the exhaust valve furthest from the cabin extends out of the shell. Both the extended ends of the intake valve and the exhaust valve are sealed and detachably equipped with covers. Each air inlet is provided on each air inlet valve, and each air outlet is provided on each air outlet valve; The vent valve has a hollow interceptor inside. The end of the interceptor facing the inside of the machine compartment is the feed end, which is connected to the vent valve. The end facing the shell is the discharge end, which is smaller than the inner diameter of the vent valve. A gap is formed between the interceptor and the inner wall of the vent valve for storing mash.

2. The fumigation system with the function of intercepting mash residue according to claim 1, characterized in that, The interceptor is a truncated cone structure, with its large-diameter end being the feed end, which is fitted onto the inner wall of the vent valve; the small-diameter end is the discharge end, and a gap is formed between the outer wall of the interceptor and the inner wall of the vent valve for storing the mash residue.

3. A fumigation system with the function of intercepting mash residue according to claim 2, characterized in that, The intake valve is also fitted with a hollow interceptor. The end of the interceptor facing the inside of the machine compartment is the feed end, which is connected to the intake valve. The end facing the shell is the discharge end, which is smaller than the inner diameter of the intake valve. A gap is formed between the interceptor and the inner wall of the intake valve for storing the mash.

4. A fumigation system with the function of intercepting mash residue according to any one of claims 1-3, characterized in that, Both the intake valve and the exhaust valve have filter blocks fixed at one end that extends into the cabin, and the filter blocks have several air vents.

5. A fumigation system with the function of intercepting mash residue according to claim 4, characterized in that, The filter block has a square structure with several air vents on two opposite sides.

6. A fumigation system with the function of intercepting mash residue according to any one of claims 1-3 and 5, characterized in that, The number of intake valves and exhaust valves is set to three. The three intake valves are equally spaced along the circumference of the engine compartment, and the three exhaust valves are also equally spaced along the circumference of the engine compartment. The air supply pipeline includes a first main pipeline connected to the air outlet of the fan and three first branch pipelines connected to the air inlets of the three air inlet valves respectively. The three first branch pipelines converge at one point and then connect to the first main pipeline; The steam pipeline includes a second main pipeline connected to the condensation system, and three second branch pipelines connected to the outlets of the three outlet valves. The three second branch pipelines converge at one point and are then connected to the second main pipeline.

7. A fumigation system with the function of intercepting mash residue according to claim 6, characterized in that, The engine room includes a first engine room and a second engine room that are set up independently. Each engine room is equipped with three air intake valves and three air exhaust valves. The three air intake valves on the first engine room are each connected to a first branch pipe; The three air intake valves on the second engine room are each connected to a first branch pipe via pipelines; The three exhaust valves on the second engine room are each connected to a second branch pipe; The three exhaust valves on the first engine room are each connected to a second branch pipe via pipelines.

8. A fumigation system with the function of intercepting mash residue according to any one of claims 1-3, 5, and 7, characterized in that, A pneumatic solenoid valve is installed on the gas supply line.

9. A fumigation system with the function of intercepting mash residue according to claim 8, characterized in that, A gas flow meter is also installed on the gas supply line.

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