Boiler conduction oil heating equipment

By using the tube heat exchanger and spiral plate design of the boiling pot heat transfer oil heating equipment, the problem of uneven wort heating was solved, achieving uniform heating and quality improvement of beer, and ensuring the stability and flavor of beer.

CN223709916UActive Publication Date: 2025-12-23JINAN GAOGUAN BIOLOGICAL ENG CO LTD
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Patent Information

Application Number
CN202520171319.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2025-12-23
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

Existing wort heating equipment in beer production suffers from uneven heating and an inability to gradually increase the temperature, which affects the color and flavor profile of the beer after processing.

Method used

The boiling pot heat transfer oil heating equipment uses a shell and tube heat exchanger and spiral plate design to achieve uniform exchange of hot oil and wort, gradually increasing the wort temperature and avoiding scorching. Temperature control is ensured by circulating heating through a reflux pipe.

Benefits of technology

It achieves uniform heating of wort, avoids color and taste problems after beer processing, improves beer stability and clarity, extends shelf life, and kills bacteria to improve flavor.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses conduction oil heating equipment for a boiling pot, and mainly relates to the technical field of beer production. The wort inlet and the wort outlet are formed in the two sealing heads respectively, the backflow port and the outflow port are formed in the top and the bottom of the tank body, a plurality of transverse plates and vertical plates are arranged between the two cover plates, and the interior of the shell is divided into a plurality of heat exchange cavities by the transverse plates and the vertical plates; a first through hole communicated with the upper heat exchange cavity and the lower heat exchange cavity is formed in the middle of the transverse plate, a second through hole communicated with the left heat exchange cavity and the right heat exchange cavity is formed in the vertical plate, heat exchange pipes penetrating through the heat exchange cavities are arranged between the two cover plates, a heating cavity communicated with the heat exchange cavities is formed in the bottom of the shell, and collection cavities are formed in the two ends of the shell correspondingly. The hot oil inlet is communicated with the hot oil outlet through the return pipe. The device has the beneficial effects that the problem that wheat cannot be lifted and uniformly heated step by step in a wheat juice heating process is solved, and the quality of beer after being processed is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of beer production, and specifically relates to a boiling pot heat conduction oil heating equipment. BACKGROUND

[0002] Beer is one of the beverages in human life, and the history of beer in China is very long, in order to make the starch in wort into fermentable sugar, generally needs to heat the wort, activates the amylase in malt, and decomposes the starch into maltose and other sugars at a suitable temperature (60-70 DEG C) to provide energy for yeast fermentation. At the same time, proper heating denatures the protein in wort, and then flocculates and precipitates, which can improve the stability and transparency of beer, prevent beer from appearing turbid and precipitate, and prolong the shelf life; in addition, heating can kill the bacteria in wort, avoid the breeding of bacteria in the fermentation process, affect the flavor and quality of beer, and at the same time, remove the undesirable flavor substances such as dimethyl sulfide in wort.

[0003] At present, wort heating generally includes

[0004] (1) direct fire heating: using oil, coal, natural gas and other fuels to heat directly on the bottom of the pot, high thermal efficiency, low equipment investment cost, but low heating rate, easy to appear uneven heating and burnt bottom phenomenon.

[0005] (2) steam heating: select the boiler to heat the steam, heat the boiling pot with steam, although the steam heating can uniformly heat the wort, but the heating temperature is constant, and the temperature cannot be gradually increased, which leads to the rapid heating of wort and produces the substances affecting the color and taste of beer.

[0006] (3) electric heating: generally, the electric heating pipe is placed in the tank to heat directly, which is suitable for less than 500 liters of craft beer equipment, the investment is small, but the heating speed is slow, the power consumption is large, and the use cost is high.

[0007] Therefore, in the process of heating wheat by the current heating equipment, there is uneven heating, the temperature cannot be gradually increased, which leads to the rapid heating of wort, and to a certain extent, affects the color and taste of beer after processing. UTILITY MODEL CONTENT

[0008] The utility model aims at providing a boiling pot heat conduction oil heating equipment, solving the problem that the wort cannot be heated uniformly in the process of heating, and improving the quality of beer after processing.

[0009] In order to achieve the above purpose, the utility model realizes the following technical scheme:

[0010] The utility model provides a boiling kettle heat -conducting oil heating equipment, including boiling kettle and tube heat exchanger, the boiling kettle includes jar body, and the feed inlet and discharge port of jar body top and bottom are provided, the tube heat exchanger includes shell, and the two ends of shell are provided with the end cover, two the end cover is equipped with wort import and wort export respectively, the top and bottom of jar body are equipped with the backflow port and the outflow port with wort export and wort import communication respectively, the two ends of shell are equipped with the cover plate with the detachable connection of end cover, between two the cover plate is equipped with a plurality of horizontal plate and vertical plate, a plurality of the horizontal plate and vertical plate divide the shell into a plurality of heat exchange chambers,

[0011] The middle part of the horizontal plate is provided with a first through hole for communicating the upper and lower heat exchange chambers, the vertical plate is provided with a second through hole for communicating the left and right heat exchange chambers, the heat exchange pipes passing through the heat exchange chambers are arranged between the two cover plates, the bottom of the shell is provided with a heating chamber communicating with the plurality of heat exchange chambers, the two ends of the shell are respectively provided with a plurality of collection chambers communicating with the plurality of heat exchange chambers, and the hot oil inlet and the hot oil outlet communicating with the heating chamber and the collection chamber are further included.

[0012] Further, the heat exchange chamber is provided with a spiral plate sleeved outside the heat exchange pipe.

[0013] Further, the heat exchange pipe is detachably connected with the cover plate, and the heat exchange pipe is slidably connected with the spiral plate.

[0014] Further, the cover plate is provided with a plurality of mounting grooves slidably connected with the heat exchange pipe, and the two ends of the heat exchange pipe are slidably connected with sealing covers, and the first sealing ring sleeved outside the heat exchange pipe is arranged between the sealing cover and the cover plate.

[0015] Further, the two ends of the heat exchange pipe are slidably connected with the gland in contact with the sealing cover, and the stud passing through the gland, the sealing cover and the cover plate in sequence is further included, the two ends of the stud are provided with the second sealing ring and the nut, the nut is threadedly connected with the stud and drives the second sealing ring to move on the stud until the two second sealing rings are in contact with the cover plate and the gland respectively.

[0016] Further, the third sealing ring and the fourth sealing ring are arranged on the gland respectively, the third sealing ring is in contact with the heat exchange pipe and the sealing cover simultaneously, and the fourth sealing ring is in contact with the cover plate and the sealing cover simultaneously.

[0017] Further, the sealing cover is provided with the first taper surface in contact with the first sealing ring, and the second taper surface and the third taper surface in contact with the third sealing ring and the fourth sealing ring are arranged on the gland respectively.

[0018] Further, it further comprises a first connecting pipeline communicated with the wort inlet and outlet, and a second connecting pipeline communicated with the wort outlet and reflux port, wherein the first connecting pipeline is provided with a centrifugal pump, and a plurality of heating rods are symmetrically arranged in the heating cavity.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] 1、Through heating the hot oil arranged in the heating cavity, the heated hot oil flows into the heat exchange chamber located in the bottom, and passes through the corresponding first through hole and second through hole, so that the hot oil gradually flows through the single heat exchange chamber, and the hot oil contacts with the heat exchange pipe, exchanges heat with the wort in the heat exchange pipe through the partition wall, so as to heat the wort, in addition, the temperature of the hot oil in the heating cavity is gradually increased, so that the temperature of the wort is gradually increased, the wort is prevented from being heated too fast, the color and taste of the beer after processing are affected, and the quality of the beer after production is improved; in addition, each heat exchange chamber is arranged separately, and the single heat exchange pipe is heated, so that the temperature of the hot oil flowing through each heat exchange pipe is inconsistent, the wort in different heat exchange pipes is not heated uniformly, the hot oil is used as a medium, the heating of the wort is more uniform, the phenomenon of burning and scorching is avoided, and the effect of beer production is improved.

[0021] 2、The heated wort flows out of the heat exchange pipe, flows out of the wort outlet arranged on the other end cover, and returns to the boiling pot through the reflux port, at the same time, the hot oil in the heat exchange chamber is collected in the collection chamber, and flows out of the hot oil outlet, and enters the heating area through the reflux pipe and the hot oil inlet, the above steps are repeated for a period of time, the wort is heated in stages, the amylase in the malt is activated, and the starch is decomposed into maltose and other sugars at a suitable temperature (60-70 DEG C), so as to provide energy for yeast fermentation; at the same time, the protein in the wort is denatured, and then flocculation and precipitation are carried out, so as to improve the stability and transparency of the beer, prevent the beer from being turbid and precipitated, and prolong the shelf life; in addition, the high-temperature heating can kill the miscellaneous bacteria in the wort, prevent the miscellaneous bacteria from breeding in the fermentation process, affect the flavor and quality of the beer, and remove the undesirable flavoring substances such as dimethyl sulfide in the wort. BRIEF DESCRIPTION OF DRAWINGS

[0022] ATTACHMENT Figure 1 It is a structure schematic view of the boiling pot and the tube heat exchanger of the utility model.

[0023] ATTACHMENT Figure 2 It is a structure schematic view of the tank body of the utility model.

[0024] ATTACHMENT Figure 3 It is a structure schematic view of the shell of the utility model.

[0025] ATTACHMENT Figure 4It is the structure schematic view of the heat exchange chamber of the utility model.

[0026] Figure Figure 5 It is the structure schematic view of the heat exchange chamber of the utility model Figure 3 The partial close-up view of A part in the middle.

[0027] The reference number shown in the drawing:

[0028] 1, boiling pot;2, tube heat exchanger;3, tank body;4, feed inlet;5, discharge outlet;6, shell;7, end cover;8, wort inlet;9, wort outlet;10, backflow port;11, outflow port;12, cover plate;13, cross plate;14, vertical plate;15, heat exchange chamber;16, first through hole;17, second through hole;18, heat exchange tube;19, heating cavity;20, collection chamber;21, hot oil inlet;22, hot oil outlet;23, backflow pipe;24, spiral plate;

[0029] 25, mounting groove;26, sealing cover;27, first sealing ring;28, gland;29, stud;30, second sealing ring;31, nut;32, third sealing ring;33, fourth sealing ring;34, first taper surface;35, second taper surface;36, third taper surface;37, first connecting pipeline;38, second connecting pipeline;39, centrifugal pump;40, heating rod. DETAILED DESCRIPTION

[0030] The utility model will be further explained in combination with specific embodiment. It should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model. In addition, it should be understood that after reading the content taught by the utility model, the person skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the application.

[0031] A boiling pot heat-conducting oil heating equipment, such as Figures 1-4As shown, including boiling pot 1 and tube heat exchanger 2, respectively realize the mixing of wort storage and wort heating; The boiling pot 1 includes tank body 3, and the feed inlet 4 and the discharge outlet 5 are arranged at the top and bottom of the tank body 3, respectively, to realize the feeding and discharging of wort on the boiling pot 1; The tube heat exchanger 2 includes shell 6, and the two ends of the shell 6 are provided with end cover 7, the two end covers 7 are respectively provided with wort inlet 8 and wort outlet 9, which realize the feeding and discharging of wort on the tube heat exchanger 2; The top and bottom of the tank body 3 are respectively provided with reflux port 10 and outflow port 11 which are communicated with wort outlet 9 and wort inlet 8, the two ends of the shell 6 are respectively provided with cover plate 12 which is detachably connected with end cover 7, which isolates the wort and hot oil, realizes the heat exchange between wort and hot oil, and avoids mixing together, a plurality of horizontal plates 13 and vertical plates 14 are arranged between the two cover plates 12, a plurality of horizontal plates 13 and vertical plates 14 separate the shell 6 into a plurality of heat exchange chambers 15, so that each heat exchange chamber 15 is arranged separately, and a single heat exchange tube 18 is heated, avoiding the temperature inconsistency of hot oil flowing through each heat exchange tube 18, leading to uneven heating of wort in different heat exchange tubes 18, cooperating with hot oil as medium, making the heating of wort more uniform, avoiding the phenomenon of burning and sticking, and improving the effect after beer production;

[0032] The middle part of the horizontal plate 13 is provided with first through hole 16 which communicates the upper and lower heat exchange chambers 15, the vertical plate 14 is provided with second through hole 17 which communicates the left and right heat exchange chambers 15, the heat exchange tube 18 passes through the heat exchange chamber 15 between the two cover plates 12, so that the heated hot oil gradually flows into each heat exchange chamber 15, and exchanges heat with the wort in the heat exchange tube 18 through the contact between hot oil and heat exchange tube 18, thereby realizing the heating of wort;

[0033] The bottom of the shell 6 is provided with heating cavity 19 which is communicated with a plurality of heat exchange chambers 15, to realize the heating of hot oil, by controlling the gradually increasing temperature of hot oil in the heating cavity 19, the temperature of wort can be gradually increased, avoiding the wort temperature rising too fast, affecting the color and taste of beer after processing, thereby improving the quality of beer production;

[0034] The two ends of the shell 6 are respectively provided with a collection chamber 20 communicated with a plurality of heat exchange chambers 15, and further comprising a hot oil inlet 21 and a hot oil outlet 22 communicated with the heating chamber 19 and the collection chamber 20, and a reflux pipe communicated with the hot oil inlet 21 and the hot oil outlet 22, so that the hot oil is continuously circulated in the tube heat exchanger 2, and the stage heating of the wort is continuously realized, so that the amylase in the malt is activated, and the starch is decomposed into maltose and other sugars at a suitable temperature (60-70℃) to provide energy for yeast fermentation; at the same time, the protein in the wort is denatured, and then flocculated and precipitated, which can improve the stability and transparency of beer, prevent the beer from being turbid and precipitated, and prolong the shelf life; in addition, the high-temperature heating can kill the miscellaneous bacteria in the wort, avoid the growth of miscellaneous bacteria in the fermentation process, and affect the flavor and quality of beer, and at the same time, the undesirable flavoring substances such as dimethyl sulfide in the wort can be removed.

[0035] Preferably, as shown in Figure 3 and Figure 4 , the heat exchange chamber is provided with a spiral plate 24 sleeved outside the heat exchange pipe 18, so that the hot oil flows spirally in the heat exchange chamber, generates centrifugal inertia force, increases the turbulence degree of the flow field, and forms turbulent flow, further strengthening the heat transfer efficiency of the hot oil to the wort.

[0036] Preferably, as shown in Figure 3 and Figure 4 , the heat exchange pipe 18 and the cover plate 12 are detachably connected, and the heat exchange pipe 18 and the spiral plate 24 are slidably connected, so as to facilitate the disassembly of the damaged heat exchange pipe 18 and improve the efficiency of maintaining the heat exchange pipe 18.

[0037] Preferably, as shown in Figure 3 and Figure 5 , the cover plate 12 is provided with a plurality of mounting grooves 25 slidably connected with the heat exchange pipe 18, which realizes the preliminary positioning of the heat exchange pipe 18 on the cover plate 12, and the both ends of the heat exchange pipe 18 are slidably connected with a sealing cover 26, and a first sealing ring 27 sleeved outside the heat exchange pipe 18 is arranged between the sealing cover 26 and the cover plate 12, by pressing the sealing cover 26, the first sealing ring 27 arranged between the sealing cover 26 and the cover plate 12 is extruded, the gap arranged between the cover plate 12 and the heat exchange pipe 18 is blocked, the first layer sealing between the cover plate 12 and the heat exchange pipe 18 is realized, the hot oil and the wort are prevented from mixing together, and the effect after beer production is improved.

[0038] Preferably, as shown in Figure 3 and Figure 5As shown, the two ends of the heat exchange pipe 18 are both slidingly connected with the gland 28 in contact with the sealing cover 26, further comprising a stud 29 sequentially penetrating through the gland 28, the sealing cover 26 and the cover plate 12, both ends of the stud 29 are provided with the second sealing ring 30 and the nut 31, the nut 31 is threadedly connected with the stud 29 and drives the second sealing ring 30 to move on the stud 29 until the two second sealing rings 30 are in contact with the cover plate 12 and the gland 28 respectively, the stud 29 sequentially penetrates through the gland 28, the sealing cover 26 and the cover plate 12, and the nut 31 is tightened at both ends of the stud 29, so that the nut 31 moves on the stud 29 and is in contact with the second sealing ring 30, drives the second sealing ring 30 to move on the stud 29 until the two second sealing rings 30 are in contact with the cover plate 12 and the gland 28 respectively, further tightening the two nuts 31 to extrude the first sealing ring 27 to block the gap between the stud 29 and the cover plate 12 and the gland 28, so as to avoid the hot oil mixing with the wort, thereby improving the effect after beer production.

[0039] Preferably, as shown in Figure 3 and Figure 5 The gland 28 is provided with the third sealing ring 32 and the fourth sealing ring 33 respectively, the third sealing ring 32 is in contact with the heat exchange pipe 18 and the sealing cover 26 at the same time, and the fourth sealing ring 33 is in contact with the cover plate 12 and the sealing cover 26 at the same time, so as to block the gap between the sealing cover 26 and the cover plate 12 and the heat exchange pipe 18, thereby realizing the second layer sealing between the cover plate 12 and the heat exchange pipe 18, avoiding the hot oil mixing with the wort, thereby improving the effect after beer production.

[0040] Preferably, as shown in Figure 3 and Figure 5 The sealing cover 26 is provided with the first taper surface 34 in contact with the first sealing ring 27, and the gland 28 is provided with the second taper surface 35 and the third taper surface 36 respectively in contact with the third sealing ring 32 and the fourth sealing ring 33, through the first taper surface 34 and the first sealing ring 27, the resulting component force further extrudes the first sealing ring 27, so as to further block the gap between the heat exchange pipe 18 and the cover plate 12, improve the effect of the first layer sealing between the cover plate 12 and the heat exchange pipe 18, avoid the hot oil mixing with the wort, and further improve the effect after beer production; similarly, through the second taper surface 35 and the third taper surface 36 respectively in contact with the third sealing ring 32 and the fourth sealing ring 33, the gap between the sealing cover 26 and the cover plate 12 and the heat exchange pipe 18 can be further blocked, the effect of the second layer sealing between the cover plate 12 and the heat exchange pipe 18 can be improved, the hot oil mixing with the wort can be avoided, and the effect after beer production can be further improved.

[0041] Preferably, as shown in Figures 1-3As shown, the first connecting pipe in communication with the wort inlet 8 and the outflow port 11, and the second connecting pipe in communication with the wort outlet 9 and the backflow port 10, the first connecting pipe is provided with a centrifugal pump, powered by the centrifugal pump, so that the wort flows out of the outflow port 11, flows into the wort inlet 8 through the first connecting pipe, and then enters the plurality of heat exchange pipes 18, respectively, flows out of the wort outlet 9 provided on the other end head 7, and flows into the backflow port 10 through the second connecting pipe, realizing the stage heating of the wort, so that the malt amylase is activated, and the starch is decomposed into maltose and other sugars at a suitable temperature (60-70 DEG C), providing energy for yeast fermentation; At the same time, the protein in the wort is denatured, and then flocculated and precipitated, which can improve the stability and transparency of beer, prevent beer from appearing turbid and precipitated, and prolong the shelf life; In addition, the high-temperature heating can kill the bacteria in the wort, avoid the bacteria breeding in the fermentation process, affect the flavor and quality of beer, and remove the undesirable flavor substances such as dimethyl sulfide in the wort, and the heating cavity 19 is provided with a plurality of heating rods symmetrically for heating the hot oil in the heating cavity 19.

[0042] Embodiment 1

[0043] The utility model provides a kind of boiling pot heat conducting oil heating equipment, such as Figures 1-4 As shown, the wort is added into boiling pot 1 by feed inlet 4, until the wort fills to about 3 / 4 of tank body 3, then the corresponding valve is opened, so that the wort in tank body 3 flows out of the outflow port 11 at the bottom, and flows into the head 7 by the wort inlet 8 provided on one of the head 7, and flows through the heat exchange pipe 18;

[0044] At the same time, the hot oil in the heating cavity 19 is heated, and the heated hot oil flows into the heat exchange chamber 15 located at the bottom, and passes through the corresponding first through hole 16 and second through hole 17, so that the hot oil gradually flows through the plurality of individual heat exchange chambers 15, and contacts the heat exchange pipe 18 through the hot oil, and exchanges heat with the wort in the heat exchange pipe 18 through the partition wall, thereby realizing the heating of the wort. In addition, by gradually increasing the temperature of the hot oil in the heating cavity 19, the temperature of the wort can be gradually increased, so as to avoid the wort from being heated too quickly, which affects the color and taste of the beer after processing, thereby improving the quality of the beer after production. In addition, each heat exchange chamber 15 is separately provided, and each heat exchange pipe 18 is heated, so as to avoid the temperature of the hot oil flowing through each heat exchange pipe 18 from being inconsistent, which causes uneven heating of the wort in different heat exchange pipes 18. With hot oil as a medium, the heating of the wort is more uniform, so as to avoid the phenomenon of burning and sticking, thereby improving the effect of beer production.

[0045] Finally, the heated wort flows out of the heat exchange tube 18, flows out of the wort outlet 9 provided on the other end cover 7, and reenters the boiling kettle 1 through the backflow port 10. Meanwhile, the hot oil passing through the heat exchange chamber reenters the collection chamber, flows out of the hot oil outlet 22, and reenters the heating zone through the hot oil inlet 21 in the backflow pipe. The above steps are repeated for a period of time to achieve the stage heating of the wort, activate the amylase in the malt, and decompose the starch into maltose and other sugars at a suitable temperature (60-70°C) to provide energy for yeast fermentation. At the same time, the protein in the wort is denatured and then flocculated and precipitated to improve the stability and transparency of beer, prevent the beer from appearing turbid and precipitated, and prolong the shelf life. In addition, the high-temperature heating can kill the miscellaneous bacteria in the wort to avoid the growth of miscellaneous bacteria during the fermentation process, affect the flavor and quality of beer, and remove undesirable flavor substances such as dimethyl sulfide from the wort.

[0046] Example 2

[0047] Based on Example 1, as shown in Figures 2-4 The heat exchange chamber is provided with a spiral plate 24 sleeved outside the heat exchange tube 18 to make the hot oil flow spirally in the heat exchange chamber, generate centrifugal inertia force, increase the turbulence degree of the flow field, and form turbulent flow to further strengthen the heat transfer efficiency of the hot oil to the wort.

[0048] Further comprising a first connecting pipe connected to the wort inlet 8 and the outflow port 11, and a second connecting pipe connected to the wort outlet 9 and the backflow port 10. The first connecting pipe is provided with a centrifugal pump to provide power so that the wort flows out of the outflow port 11, flows into the wort inlet 8 through the first connecting pipe, then enters the heat exchange tubes 18, flows out of the wort outlet 9 provided on the other end cover 7, and flows into the backflow port 10 through the second connecting pipe to achieve the stage heating of the wort, activate the amylase in the malt, and decompose the starch into maltose and other sugars at a suitable temperature (60-70°C) to provide energy for yeast fermentation. At the same time, the protein in the wort is denatured and then flocculated and precipitated to improve the stability and transparency of beer, prevent the beer from appearing turbid and precipitated, and prolong the shelf life. In addition, the high-temperature heating can kill the miscellaneous bacteria in the wort to avoid the growth of miscellaneous bacteria during the fermentation process, affect the flavor and quality of beer, and remove undesirable flavor substances such as dimethyl sulfide from the wort.

[0049] Example 3

[0050] Based on Example 2, as shown in Figure 3 and Figure 5As shown, when the heat exchange pipe 18 needs to be installed, one end of the heat exchange pipe 18 is sequentially inserted into the installation slot 25 provided on one of the cover plates 12, the corresponding spiral plate 24, and the corresponding installation slot 25 provided on the other cover plate 12, thereby achieving the preliminary fixation of the heat exchange pipe 18 on the heat exchanger;

[0051] Then, the sealing cover 26 sleeved on the heat exchange pipe 18 is moved to be in contact with the cover plate 12, and the first sealing ring 27 is in contact with the first taper surface 34, so that the resulting component force further extrudes the first sealing ring 27, so that the first sealing ring 27 further blocks the gap between the heat exchange pipe 18 and the cover plate 12, improves the effect of the first layer of sealing between the cover plate 12 and the heat exchange pipe 18, avoids the mixing of hot oil and wort together, and further improves the effect after the beer production;

[0052] Then, the sealing cover 26 sleeved on the heat exchange pipe 18 is moved to be in contact with the cover plate 12, and the first sealing ring 27 is in contact with the first taper surface 34, so that the resulting component force further extrudes the first sealing ring 27, so that the first sealing ring 27 further blocks the gap between the heat exchange pipe 18 and the cover plate 12, improves the effect of the first layer of sealing between the cover plate 12 and the heat exchange pipe 18, avoids the mixing of hot oil and wort together, and further improves the effect after the beer production; At the same time, the second taper surface 35 and the third taper surface 36 provided on the gland 28 are in contact with the third sealing ring 32 and the fourth sealing ring 33, respectively, which can further block the gap between the sealing cover 26 and the cover plate 12 and the heat exchange pipe 18, improve the effect of the second layer of sealing between the cover plate 12 and the heat exchange pipe 18, avoid the mixing of hot oil and wort together, and further improve the effect after the beer production.

Claims

1. A boiling pot heat transfer oil heating device, comprising a boiling pot (1) and a shell-and-tube heat exchanger (2), characterized in that: The boiling pot (1) includes a tank (3) and an inlet (4) and an outlet (5) provided at the top and bottom of the tank (3). The tube heat exchanger (2) includes a shell (6) and end caps (7) provided at both ends of the shell (6). The two end caps (7) are respectively provided with a wort inlet (8) and a wort outlet (9). The top and bottom of the tank (3) are respectively provided with a reflux port (10) and an outlet (11) connected to the wort outlet (9) and the wort inlet (8). The two ends of the shell (6) are respectively provided with cover plates (12) that are detachably connected to the end caps (7). A number of horizontal plates (13) and vertical plates (14) are provided between the two cover plates (12). The number of horizontal plates (13) and vertical plates (14) divide the interior of the shell (6) into a number of heat exchange chambers (15). The horizontal plate (13) has a first through hole (16) in the middle that connects the upper and lower heat exchange chambers (15), and the vertical plate (14) has a second through hole (17) that connects the left and right heat exchange chambers (15). A heat exchange tube (18) that passes through the heat exchange chambers (15) is provided between the two cover plates (12). The bottom of the shell (6) has a heating chamber (19) that connects to several heat exchange chambers (15). The two ends of the shell (6) have a collection chamber (20) that connects to several heat exchange chambers (15). The shell (6) also includes a hot oil inlet (21) and a hot oil outlet (22) that connect to the heating chamber (19) and the collection chamber (20), and a return pipe (23) that connects to the hot oil inlet (21) and the hot oil outlet (22).

2. The boiling pot heat transfer oil heating device according to claim 1, characterized in that: The heat exchange chamber (15) is provided with a spiral plate (24) sleeved on the outside of the heat exchange tube (18).

3. The boiling pot heat transfer oil heating device according to claim 2, characterized in that: The heat exchange tube (18) is detachably connected to the cover plate (12), and the heat exchange tube (18) is slidably connected to the spiral plate (24).

4. The boiling pot heat transfer oil heating device according to claim 1, characterized in that: The cover plate (12) is provided with a plurality of mounting grooves (25) that are slidably connected to the heat exchange tube (18). Both ends of the heat exchange tube (18) are slidably connected with sealing caps (26). A first sealing ring (27) is provided between the sealing cap (26) and the cover plate (12) and sleeved on the outside of the heat exchange tube (18).

5. The boiling pot heat transfer oil heating device according to claim 4, characterized in that: Both ends of the heat exchange tube (18) are slidably connected to a pressure cap (28) that contacts the sealing cap (26). The tube also includes a double-ended bolt (29) that passes through the pressure cap (28), the sealing cap (26), and the cover plate (12) in sequence. Both ends of the double-ended bolt (29) are provided with a second sealing ring (30) and a nut (31). The nut (31) is threadedly connected to the double-ended bolt (29) and drives the second sealing ring (30) to move on the double-ended bolt (29) until the two second sealing rings (30) contact the cover plate (12) and the pressure cap (28) respectively.

6. The boiling pot heat transfer oil heating device according to claim 5, characterized in that: The pressure cap (28) is provided with a third sealing ring (32) and a fourth sealing ring (33). The third sealing ring (32) is in contact with both the heat exchange tube (18) and the sealing cap (26), and the fourth sealing ring (33) is in contact with both the cover plate (12) and the sealing cap (26).

7. The boiling pot heat transfer oil heating device according to claim 5, characterized in that: The sealing cap (26) is provided with a first conical surface (34) that contacts the first sealing ring (27), and the pressure cap (28) is provided with a second conical surface (35) and a third conical surface (36) that contact the third sealing ring (32) and the fourth sealing ring (33), respectively.

8. The boiling pot heat transfer oil heating device according to claim 1, characterized in that: It also includes a first connecting pipe (37) connected to the wort inlet (8) and outlet (11), and a second connecting pipe (38) connected to the wort outlet (9) and return port (10). A centrifugal pump (39) is provided on the first connecting pipe, and a plurality of heating rods (40) are symmetrically arranged in the heating chamber (19).