Automatic blanching device

Abstract

The utility model provides an automatic blanching device which comprises a groove body, and a containing space is formed in the groove body. The combustion heater is arranged in the accommodating space; a containing space is formed in the blanching, boiling and fishing pot, a stirring mechanism is rotationally arranged in the containing space, and a plurality of communicating open holes enabling the containing space to communicate with the containing space are formed in the blanching, boiling and fishing pot; the boiling and fishing pot is rotationally connected with the tank body, the boiling and fishing pot is located in the containing space in a boiling state, and the combustion heater is located below the boiling and fishing pot. The automatic sea cucumber blanching device has the advantages that automatic sea cucumber blanching can be achieved, blanching efficiency is improved, blanching cost is greatly reduced, and the automatic sea cucumber blanching device is small in overall size, easy, safe and convenient to operate and suitable for being used by a large number of farmers and manufacturers.

Description

[Technical field]

[0001] The utility model relates to the technical field of blanching equipment, in particular to an automatic blanching device. [Background technology]

[0002] Marine aquaculture has become an important economic source for the development of coastal areas, especially sea cucumber farming, which has also driven the development of kelp and other aquaculture, processing and sales industries.

[0003] As we all know, sea cucumbers are molluscs rich in protein. The longer they are away from the water, the more protein they lose naturally. Therefore, after the sea cucumbers are salvaged, they need to be blanched in time to reduce protein loss.

[0004] At present, for the blanching process of sea cucumbers, one method is to use steam generated by large steam boilers to blanch the sea cucumbers in an assembly line, but large-scale blanching processing lines occupy a large area and are costly, and farmers are unable to build large-scale blanching processing lines; the other method is to use traditional boiling pots to blanch the sea cucumbers, but when blanching in traditional boiling pots, manual stirring of the blanched sea cucumbers is required, which is time-consuming and labor-intensive, with low blanching efficiency, high operating costs, high risks, and poor environmental protection. In view of the above problems, it is urgent to provide an automatic blanching device that is suitable for farmers, has high blanching efficiency, and is low in cost. [Contents of the utility model]

[0005] The technical problem to be solved by the utility model is to provide an automatic blanching device, by which sea cucumbers can be automatically blanched, the blanching efficiency can be improved, the blanching cost can be greatly reduced, and the overall volume is small, which is suitable for use by a large number of breeders and processors.

[0006] The utility model is implemented as follows: an automatic boiling device, comprising:

[0007] A tank body, wherein a receiving space is formed in the tank body;

[0008] A combustion heater, wherein the combustion heater is arranged in the accommodation space;

[0009] A boiling scoop pot, wherein the boiling scoop pot is formed with a containing space, a stirring mechanism is rotatably arranged in the containing space, and a plurality of connecting openings are provided on the boiling scoop pot to connect the containing space with the accommodating space; the boiling scoop pot is rotatably connected to the trough body, the boiling scoop pot is located in the accommodating space in the boiling state, and the combustion heater is located below the boiling scoop pot.

[0010] Furthermore, the outer surface of the combustion heater is sprayed with a Teflon non-stick coating.

[0011] Furthermore, it also includes a pushing mechanism, one side of the blanching scoop pot is rotatably connected to one side of the top of the trough body, the lower end of the pushing mechanism is connected to the trough body, and the upper end of the pushing mechanism is connected to the middle part of the blanching scoop pot, and the blanching scoop pot is driven by the pushing mechanism to lift up to discharge the material or move downward into the accommodating space to achieve blanching.

[0012] Furthermore, the stirring mechanism includes a stirring frame, a rotating shaft and a driving assembly. The stirring frame is rotatably connected to the blanching scoop pot via the rotating shaft. The driving assembly is arranged on the blanching scoop pot and is connected to the rotating shaft.

[0013] Furthermore, the stirring frame is in a square structure, and scrapers are provided on both sides of the stirring frame along the length direction.

[0014] Furthermore, the cross-section of the boiling scoop pot along the width direction is a semicircular structure, and both ends of the boiling scoop pot are closed by end plates to form the containing space.

[0015] Furthermore, the combustion heater includes a combustion furnace, a burner and a heating unit; the burner is arranged outside the trough body, one end of the combustion furnace is provided with an input pipe, and the input pipe passes through the outer wall of the trough body and is connected to the burner; the heating units are arranged on both sides of the combustion furnace, the other end of the combustion furnace is connected to one end of any one of the heating units, the other end of any one of the heating units is connected to one end of another heating unit, the other end of the other heating unit is provided with an exhaust pipe, and the exhaust pipe passes through the outer wall of the trough body and extends to the outside of the trough body.

[0016] Furthermore, the combustion furnace is in the form of a corrugated tube structure or a round tube structure.

[0017] Furthermore, the heating unit includes a front tube smoke box, a rear tube smoke box, and a plurality of heating tubes connected between the front tube smoke box and the rear tube smoke box;

[0018] The other end of the combustion furnace is connected to the rear tube smoke box of any one of the heating units, the front tube smoke box of any one of the heating units is connected to the front tube smoke box of another heating unit to form a U-shaped structure or an H-shaped structure, and the rear tube smoke box of another heating unit is connected to the exhaust pipe.

[0019] Furthermore, the outer wall of the trough body is provided with a sewage outlet connected to the bottom of the accommodating space, the outer wall of the trough body is provided with a maintenance port at a position corresponding to the combustion heater, and the outer wall of the trough body is also provided with a drainage valve connected to the lower part of the accommodating space.

[0020] By adopting the technical solution of the utility model, at least the following beneficial effects are achieved:

[0021] 1. A complete set of automatic blanching device is formed by combining a trough body, a combustion heater and a blanching scoop pot, and the automatic blanching device can be used to automatically blanch sea cucumbers and other marine products; compared with the method of using steam generated by a large steam boiler to blanch sea cucumbers on an assembly line, the automatic blanching device of the utility model has a smaller overall volume, occupies less space, has a low equipment investment cost, can be installed and used anytime and anywhere, is simple to operate, and is very convenient to install and use, and is particularly suitable for use by a large number of breeders and processors; compared with the method of using a traditional boiling pot to blanch sea cucumbers, the automatic blanching device of the utility model can realize automatic blanching of sea cucumbers and other marine products, and can use a stirring mechanism to automatically stir and pull out the blanched sea cucumbers and other marine products without manual stirring, which is more time-saving and labor-saving to use, can effectively improve the blanching efficiency, thereby better meeting actual production needs, and can greatly reduce the blanching cost. At the same time, the combustion heater burns clean energy such as gas and fuel oil, which is more environmentally friendly and safer to use.

[0022] 2. By spraying Teflon non-stick coating on the outer surface of the combustion heater, it can effectively prevent the surface of the combustion heater from coking during use. This can not only ensure the heat exchange efficiency of the combustion heater, but also facilitate the cleaning of the surface of the combustion heater.

[0023] 3. The combustion heater is designed to include a combustion furnace, a burner and a heating unit. The burner is connected to one end of the combustion furnace, heating units are arranged on both sides of the combustion furnace, and the other end of the combustion furnace is connected to one end of any heating unit, and the other end of any heating unit is connected to one end of another heating unit; when in actual use, the entire combustion heater can fully and evenly exchange heat with the water in the tank body, which helps to reduce heat energy loss, improve heat exchange efficiency, and ensure heat exchange effect.

Brief Description of the Drawings

[0024] The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

[0025] Figure 1 This is one of the three-dimensional structural diagrams of an automatic boiling device of the utility model;

[0026] Figure 2 This is the second three-dimensional structural diagram of an automatic boiling device of the utility model;

[0027] Figure 3 It is a cross-sectional view of an automatic boiling device of the utility model;

[0028] Figure 4 This is an assembly structure diagram of the blanching pot and the stirring mechanism in the utility model;

[0029] Figure 5 It is a structural diagram of the drive assembly in the utility model;

[0030] Figure 6 It is a structural diagram of the stirring frame in the utility model;

[0031] Figure 7 It is a three-dimensional diagram of the combustion heater in the utility model;

[0032] Figure 8 It is a top view of the combustion heater in the utility model.

[0033] Description of reference numerals:

[0034] Automatic blanching device 100;

[0035] Tank body 1, accommodating space 11, sewage outlet 12, maintenance port 13, drainage valve 14, supporting base 15, observation window 16;

[0036] Combustion heater 2, combustion furnace 21, burner 22, heating unit 23, front pipe smoke box 231, rear pipe smoke box 232, heating pipe 233, input pipe 24, discharge pipe 25;

[0037] The boiling scoop pot 3 has a containing space 31, a connecting hole 32, an end plate 33, a connecting portion 34, and a turning bolt 35;

[0038] Stirring mechanism 4, stirring frame 41, scraper 411, rotating shaft 42, driving assembly 43, reduction motor 431, first sprocket 432, second sprocket 433, driving chain 434;

[0039] Pushing mechanism 5. [Specific implementation method]

[0040] In order to better understand the technical solution of the present invention, the technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0041] It should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. In addition, the terms "first", "second", etc., etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features.

[0042] See also Figures 1 to 8 As shown, a preferred embodiment of an automatic boiling device 100 of the utility model, the automatic boiling device 100 comprises:

[0043] A tank body 1, wherein a receiving space 11 is formed in the tank body 1, wherein the receiving space 11 can provide the required installation space for the combustion heater 2 and the boiling scoop pot 3, and can also be filled with water for boiling;

[0044] The combustion heater 2 is arranged in the accommodating space 11, and is used to perform heat exchange with the water in the accommodating space 11, so that the water in the accommodating space 11 can be heated to a desired temperature, thereby being able to scald sea cucumbers and other seafood; the combustion heater 2 burns gas or fuel oil, which is more environmentally friendly than the traditional method of burning coal;

[0045] The scalding scoop pot 3 is formed with a holding space 31, which is used to hold sea cucumbers and other marine products that need to be blanched, and to isolate the sea cucumbers and other marine products from the combustion heater 2. A stirring mechanism 4 is rotatably arranged in the holding space 31. The stirring mechanism 4 can not only stir the material in the holding space 31 to make the sea cucumbers and other marine products scalded more evenly, but also can use the stirring mechanism 4 to push the material out when discharging the material, thereby facilitating the discharging of the material; the scalding scoop pot 3 is provided with a plurality of The communicating opening 32 communicated with the accommodating space 11 enables the hot water in the accommodating space 11 to enter the containing space 31 through the communicating opening 32 to scald the sea cucumber and other seafood, and at the same time, the water in the containing space 31 can be discharged when the scalding scoop pot 3 is lifted upward; the scalding scoop pot 3 is rotatably connected to the tank body 1, and the scalding scoop pot 3 is located in the accommodating space 11 in the scalding state, ensuring that the hot water can enter the containing space 31 of the scalding scoop pot 3, and the combustion heater 2 is located below the scalding scoop pot 3.

[0046] The utility model forms a complete set of automatic blanching device by combining the trough body 1, the combustion heater 2 and the blanching scoop pot 3, and the automatic blanching device can be used to automatically scald sea cucumbers and other marine products; compared with the method of using steam generated by a large steam boiler to scald sea cucumbers in an assembly line, the automatic blanching device of the utility model has a smaller overall volume, occupies a small space, has a low equipment investment cost, can be installed and used anytime and anywhere, is simple to operate, and is very convenient to install and use, and is particularly suitable for use by a large number of breeders and processors; compared with the method of using a traditional boiling pot to scald sea cucumbers, the automatic blanching device of the utility model can realize automatic blanching of sea cucumbers and other marine products, and can use the stirring mechanism 4 to automatically stir and pull out the blanched sea cucumbers and other marine products without manual stirring, which is more time-saving and labor-saving to use, can effectively improve the blanching efficiency, thereby better meeting actual production needs, and can greatly reduce the blanching cost. At the same time, the combustion heater 2 burns clean energy such as gas and fuel oil, which is more environmentally friendly and safer to use.

[0047] In some embodiments of the utility model, the outer surface of the combustion heater 2 is sprayed with a Teflon non-stick coating (not shown). The utility model can effectively prevent the surface of the combustion heater 2 from coking during use by spraying the Teflon non-stick coating on the outer surface of the combustion heater 2, which can ensure the heat exchange efficiency of the combustion heater 2 and facilitate the cleaning of the surface of the combustion heater 2.

[0048] In some embodiments of the present invention, the automatic boiling device 100 further includes a push-up mechanism 5, one side of the boiling scoop pot 3 is rotatably connected to one side of the top of the tank body 1, so that after boiling is completed, the boiling scoop pot 3 can be turned upward to discharge the material from one side of the boiling scoop pot 3; in the specific implementation of the present invention, both ends of one side of the top of the tank body 1 are provided with a support base 15, and both ends of one side of the boiling scoop pot 3 are provided with a connecting portion 34, and the connecting portion 34 is rotatably connected to the support base 15 through a turning bolt 35;

[0049] The lower end of the push mechanism 5 is connected to the tank body 1, and the upper end of the push mechanism 5 is connected to the middle of the boiling scoop pot 3, and the push mechanism 5 drives the boiling scoop pot 3 to be lifted upward to discharge the material or to enter the accommodating space 11 to boil the material. As a specific embodiment of the present invention, the middle of both ends of the boiling scoop pot 3 are connected with a push mechanism 5, and the push mechanism 5 adopts a telescopic cylinder, such as a gas cylinder, an oil cylinder, etc.

[0050] The utility model connects one side of the boiling scoop pot 3 with one side of the top of the tank body 1 by rotation, and connects the middle part of the boiling scoop pot 3 with the pushing mechanism 5, so that when the pushing mechanism 5 drives the boiling scoop pot 3 to be lifted upward, the materials can be discharged from one side of the boiling scoop pot 3. At the same time, a stirring mechanism 4 is also rotatably arranged in the boiling scoop pot 3, and the stirring mechanism 4 can be used to push the materials in the boiling scoop pot 3 outward so that the materials can be better discharged. When it is necessary to scald sea cucumbers and other seafood, the pushing mechanism 5 can be used to drive the boiling scoop pot 3 to rotate downward, so that the boiling scoop pot 3 enters the accommodating space 11.

[0051] In some embodiments of the present invention, please refer to Figure 4 As shown, the stirring mechanism 4 includes a stirring frame 41, a rotating shaft 42 and a driving assembly 43. The stirring frame 41 is rotatably connected to the blanching scoop pot 3 via the rotating shaft 42. The driving assembly 43 is disposed on the blanching scoop pot 3 and is connected to the rotating shaft 42. When the stirring mechanism 4 is working, the rotating shaft 42 is driven to rotate by the driving assembly 43. Since the stirring frame 41 is rotatably connected to the blanching scoop pot 3 via the rotating shaft 42, the rotating shaft 42 can drive the stirring frame 41 to rotate together, so that the stirring frame 41 can stir the sea cucumbers and other marine products in the blanching scoop pot 3 or push the sea cucumbers and other marine products out of the blanching scoop pot 3.

[0052] More specifically, the stirring frame 41 has a square structure, and the stirring frame 41 is provided with scrapers 411 on both sides along the length direction. The scrapers 411 are arranged close to the inner wall of the blanching pot 3. When the driving component 43 drives the stirring frame 41 to rotate, the scrapers 411 can stir-fry the sea cucumbers and other seafood in the blanching pot 3, ensuring that the sea cucumbers and other seafood are blanched more evenly; at the same time, when the pushing mechanism 5 drives the blanching pot 3 to lift up for discharging, the scrapers 411 can push the materials out well, ensuring that the blanched sea cucumbers and other seafood will not remain in the blanching pot 3.

[0053] As a specific implementation of the utility model, please refer to Figure 5 As shown, the driving assembly 43 includes a reduction motor 431, a first sprocket 432, a second sprocket 433 and a driving chain 434. The reduction motor 431 is arranged on the top of the blanching pot 3, the first sprocket 432 is connected to the output end of the reduction motor 431, the second sprocket 433 is connected to the rotating shaft 42, and the driving chain 434 is sleeved on the first sprocket 432 and the second sprocket 433.

[0054] In some embodiments of the utility model, the cross-section of the blanching pot 3 along the width direction is a semicircular structure, so that the stirring mechanism 4 can rotate smoothly in the blanching pot 3; the two ends of the blanching pot 3 are closed by end plates 33 to form the containing space 31, so that seafood such as sea cucumbers can be placed in the containing space 31 for blanching.

[0055] In some embodiments of the present invention, please refer to Figure 7 and Figure 8 As shown, the combustion heater 2 includes a combustion furnace 21, a burner 22 and a heating unit 23; the burner 22 is arranged outside the tank body 1, and an input pipe 24 is arranged at one end of the combustion furnace 21, and the input pipe 24 passes through the outer wall of the tank body 1 and is connected to the burner 22. The burner 22 can spray fuel and air into the combustion furnace 21 together and ignite them, so that the fuel can burn in the combustion furnace 21 and radiate heat energy. The input pipe 24 and the tank body 1 can be sealed and connected together by welding to ensure that the tank body 1 will not leak out. The burner 22 is a general term for a device that allows fuel and air to be sprayed out in a certain way for mixed combustion. According to its working principle, the burner 22 can be defined as a device that converts substances into heat energy through the chemical reaction of combustion - that is, air and fuel are mixed in an appropriate proportion through a premixing device to make them fully burn. The burner 22 has a variety of classification methods according to its different properties. According to the fuel method, it is divided into oil burners, gas burners, alcohol oil burners and dual-fuel burners, etc.; among them: in specific applications, oil burners will be divided into light oil burners, heavy oil burners, etc.; gas burners are divided into natural gas burners, city gas burners, etc.; according to the combustion control method of the burner, it is divided into: single-stage fire burner, double-stage fire burner, ratio adjustment burner; according to the fuel atomization method, it is divided into: mechanical atomization burner, medium atomization burner; according to the structure, it is divided into: integral burner and split burner.

[0056] The heating units 23 are arranged on both sides of the combustion furnace 21, the other end of the combustion furnace 21 is connected to one end of any one of the heating units 23, the other end of any one of the heating units 23 is connected to one end of another heating unit 23, and the other end of another heating unit 23 is provided with an exhaust pipe 25, the exhaust pipe 25 passes through the outer wall of the tank body 1 and extends to the outside of the tank body 1, the exhaust pipe 25 is used to discharge the cold flue gas after heat exchange, and the exhaust pipe 25 and the tank body 1 can be sealed and connected together by welding to ensure that the tank body 1 does not leak out.

[0057] The utility model designs a combustion heater 2 including a combustion furnace 21, a burner 22 and a heating unit 23. The burner 22 is connected to one end of the combustion furnace 21, heating units 23 are arranged on both sides of the combustion furnace 21, and the other end of the combustion furnace 21 is connected to one end of any one of the heating units 23, and the other end of any one of the heating units 23 is connected to one end of another heating unit 23; so that when used in practice, the entire combustion heater 2 can fully and evenly exchange heat with the water in the tank body 1, thereby helping to reduce heat energy loss, improve heat exchange efficiency, and ensure heat exchange effect.

[0058] As a specific implementation of the present utility model, in order to further increase the contact area between the combustion furnace 21 and the water in the tank body 1, thereby further improving the heat exchange efficiency, the combustion furnace 21 is a corrugated tube structure or a round tube structure.

[0059] As a specific embodiment of the present invention, in order to ensure that the heating unit 23 can fully exchange heat with the water in the tank body 1, so as to further reduce heat energy loss and improve heat exchange efficiency, the heating unit 23 includes a front pipe smoke box 231, a rear pipe smoke box 232 and a plurality of heating pipes 233 connected between the front pipe smoke box 231 and the rear pipe smoke box 232;

[0060] The other end of the combustion furnace 21 is connected to the rear tube smoke box 232 of any one of the heating units 23, the front tube smoke box 231 of any one of the heating units 23 is connected to the front tube smoke box 231 of another heating unit 23 to form a U-shaped structure or an H-shaped structure, and the rear tube smoke box 232 of another heating unit 23 is connected to the exhaust pipe 25.

[0061] In some embodiments of the utility model, the outer wall of the trough body 1 is provided with a drain outlet 12 connected to the bottom of the accommodating space 11, so that the drain outlet 12 can be used to perform sewage discharge operations during cleaning; the outer wall of the trough body 1 is provided with a maintenance port 13 at a position corresponding to the combustion heater 2, so that the maintenance port 13 can be used to perform maintenance operations on the combustion heater 2; the outer wall of the trough body 1 is also provided with a drain valve 14 connected to the lower part of the accommodating space 11, so as to facilitate the discharge operation of the trough body 1.

[0062] In some embodiments of the utility model, a safety explosion-proof tube 26 is further provided at the rear end of the combustion furnace 21, and the safety explosion-proof tube 26 is used to play an explosion-proof role. The safety explosion-proof tube 26 passes through the tank body 1 and extends to the outside of the tank body 1. The tank body 1 and the safety explosion-proof tube 26 are sealed and connected by welding to ensure that water does not leak out. In addition, an observation window 16 can be provided on the outer wall of the tank body 1 at a position corresponding to the combustion heater 2, so that the staff can observe the internal situation of the tank body 1 through the observation window 16.

[0063] In some embodiments of the present invention, the tank body 1, the combustion heater 2 and the boiling scoop pot 3 can all be made of stainless steel to ensure that they are not easily damaged during use, thereby increasing the service life of the entire automatic boiling device 100.

[0064] Although the specific implementation methods of the present invention are described above, those skilled in the art should understand that the specific embodiments described are only illustrative and are not intended to limit the scope of the present invention. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. An automatic boiling device, characterized in that: include: A tank body, wherein a receiving space is formed in the tank body; A combustion heater, wherein the combustion heater is arranged in the accommodation space; A boiling scoop pot, wherein the boiling scoop pot is formed with a containing space, a stirring mechanism is rotatably arranged in the containing space, and a plurality of connecting openings are provided on the boiling scoop pot to connect the containing space with the accommodating space; the boiling scoop pot is rotatably connected to the trough body, the boiling scoop pot is located in the accommodating space in the boiling state, and the combustion heater is located below the boiling scoop pot.

2. An automatic boiling device as claimed in claim 1, characterized in that: The outer surface of the combustion heater is sprayed with Teflon non-stick coating.

3. An automatic boiling device as claimed in claim 1, characterized in that: The invention also includes a pushing mechanism, wherein one side of the boiling scoop pot is rotatably connected to one side of the top of the trough body, the lower end of the pushing mechanism is connected to the trough body, and the upper end of the pushing mechanism is connected to the middle part of the boiling scoop pot. The boiling scoop pot is lifted upward by the pushing mechanism to discharge the material or moved downward into the accommodating space to boil the material.

4. An automatic boiling device as claimed in claim 1, characterized in that: The stirring mechanism comprises a stirring frame, a rotating shaft and a driving assembly. The stirring frame is rotatably connected to the blanching scoop pot via the rotating shaft. The driving assembly is arranged on the blanching scoop pot and is connected to the rotating shaft.

5. An automatic boiling device as claimed in claim 4, characterized in that: The stirring frame is in a square structure, and scrapers are arranged on both sides of the stirring frame along the length direction.

6. An automatic boiling device as claimed in claim 1, characterized in that: The cross section of the boiling scoop pot along the width direction is a semicircular structure, and both ends of the boiling scoop pot are closed by end plates to form the containing space.

7. An automatic boiling device as claimed in claim 1, characterized in that: The combustion heater includes a combustion furnace, a burner and a heating unit; the burner is arranged outside the trough body, one end of the combustion furnace is provided with an input pipe, and the input pipe passes through the outer wall of the trough body and is connected to the burner; the heating units are arranged on both sides of the combustion furnace, the other end of the combustion furnace is connected to one end of any one of the heating units, the other end of any one of the heating units is connected to one end of another heating unit, the other end of the other heating unit is provided with an exhaust pipe, and the exhaust pipe passes through the outer wall of the trough body and extends to the outside of the trough body.

8. An automatic boiling device as claimed in claim 7, characterized in that: The combustion furnace is in a corrugated tube structure or a round tube structure.

9. An automatic boiling device as claimed in claim 7, characterized in that: The heating unit comprises a front pipe smoke box, a rear pipe smoke box and a plurality of heating pipes connected between the front pipe smoke box and the rear pipe smoke box; The other end of the combustion furnace is connected to the rear tube smoke box of any one of the heating units, the front tube smoke box of any one of the heating units is connected to the front tube smoke box of another heating unit to form a U-shaped structure or an H-shaped structure, and the rear tube smoke box of another heating unit is connected to the exhaust pipe.

10. An automatic boiling device according to any one of claims 1 to 9, characterized in that: The outer wall of the trough body is provided with a sewage outlet connected to the bottom of the accommodating space, the outer wall of the trough body is provided with a maintenance port at a position corresponding to the combustion heater, and the outer wall of the trough body is also provided with a drainage valve connected to the lower part of the accommodating space.

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