Double-effect entropy reduction preheating device

Abstract

The utility model provides a double-effect entropy drop preheating device, which relates to the technical field of heat exchangers and comprises a tube plate, mounting plate sheets, cooling thin tubes, upper branch tubes and lower branch tubes, thin insertion holes are annularly arrayed at the top of the tube plate, a middle insertion hole is formed in the middle of the front side of the tube plate, the tube plate consists of ten groups of mounting plate sheets, and a middle penetrating tube is clamped in the middle of the middle insertion hole. The mounting plates are fan-shaped, the tube plate and the cooling thin tube in the equipment can be disassembled and assembled, the heat exchange fins outside the cooling thin tube can exchange heat for water in the cooling thin tube, the tube plate is formed by splicing ten groups of mounting plates, and the tube plate assembly is mainly carried out through the middle penetrating tube. After the tube plate is assembled, a plurality of groups of cooling thin tubes are inserted into the thin inserting holes, sealing rings are clamped into the connecting positions, after all the cooling thin tubes are installed, the middle penetrating tube in the middle is blocked, and then the cooling thin tubes are installed on the base, so that cooling and heat exchange can be carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, in particular to a double-effect entropy reduction preheating device. Background Art

[0002] The entropy reduction preheating device is an efficient energy recovery and utilization device, which is mainly used in specific industrial processes to preheat or precool the working medium by reducing the entropy value of the system (that is, improving the energy utilization efficiency). Simply put, it is a heat exchanger component used in industrial production.

[0003] According to a tube bundle heat exchanger disclosed in Chinese Patent No. CN 219977185 U. The tube bundle heat exchanger includes a shell, a heat exchange tube bundle located inside the shell, and two tube bundle installation parts respectively located at both axial ends of the shell. Each tube bundle installation part is configured to install the heat exchange tube bundle; at least one of the two tube bundle installation parts includes: a tube bundle installation piece connected to the heat exchange tube bundle; a connecting piece connected to the shell, the connecting piece is located on the outer periphery of the tube bundle installation piece and is detachably connected to the tube bundle installation piece, and the tube bundle installation piece is configured to be movably arranged inside the shell so that the heat exchange tube bundle can be fixed inside the shell or withdrawn from the shell. The technical solution of the utility model solves the problems of high maintenance cost and low heat exchange efficiency after long-term use of the tube bundle heat exchanger in the prior art.

[0004] The following problems will occur in the heat exchanger component in the prior art during actual use: it cannot perform double-effect heat exchange. During heat exchange, it mainly relies on external heat exchange fins, and heat exchange cannot be carried out inside the pipeline. At the same time, the internal pipeline is not easy to disassemble, and it is not easy to clean the internal pipeline, resulting in easy blockage inside. Therefore, a double-effect entropy reduction preheating device is needed to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to solve the problems that the prior art cannot perform double-effect heat exchange, mainly relies on external heat exchange fins during heat exchange, heat exchange cannot be carried out inside the pipeline, and at the same time, the internal pipeline is not easy to disassemble and not easy to clean, resulting in easy blockage inside, and a double-effect entropy reduction preheating device is proposed.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a double-effect entropy reduction preheating device, including a tube sheet, mounting plate sheets, cooling thin tubes, upper branch tubes and lower branch tubes. Fine jacks are annularly arranged at the top of the tube sheet. A central jack is opened in the middle of the front surface of the tube sheet. The tube sheet is composed of ten mounting plate sheets. A central through tube is clamped in the middle of the central jack. The shape of the mounting plate sheet is fan-shaped.

[0007] Preferably, a card slot is annularly arranged on the outer part of the central through tube. An insertion block is arranged on the inner side of the mounting plate sheet. The insertion block and the card slot are mutually clamped and adapted to each other.

[0008] Preferably, a cooling capillary tube penetrates through the inside of the fine jack, and heat exchange fins are clamped outside the cooling capillary tube.

[0009] Preferably, the cooling capillary tube is composed of an upper branch tube and a lower branch tube.

[0010] Preferably, a plug hole is formed at the top of the upper branch tube, and clamping blocks are arranged on both sides of the bottom of the upper branch tube.

[0011] Preferably, concave clamping grooves are formed on both sides of the top of the lower branch tube, and the concave clamping grooves and the clamping blocks are clamped with each other and have a matching height.

[0012] Preferably, an inner heat exchange ring is clamped between the upper branch tube and the lower branch tube, and brush needles are annularly arranged outside the inner heat exchange ring.

[0013] Beneficial effects

[0014] In the present utility model, both the tube sheet and the cooling capillary tube in the device can be disassembled and assembled. The heat exchange fins outside the cooling capillary tube will exchange heat for the water in the cooling capillary tube. The tube sheet is spliced by ten installation plates, and the assembly of the tube sheet is mainly carried out through the middle through-tube for connection. After the tube sheet is assembled, a plurality of cooling capillary tubes are inserted into the fine jacks, and sealing rings are clamped at the joints. After all the cooling capillary tubes are installed, the middle through-tube is blocked, and then it can be installed on the base for cooling heat exchange.

[0015] In the present utility model, the upper branch tube and the lower branch tube are mainly clamped through the clamping blocks and the concave clamping grooves. After assembly, the side walls of the cooling capillary tube are sealed and there will be no water leakage. The materials of the inner heat exchange ring and the external heat exchange fins in the cooling capillary tube are the same. When the water in the internal pipeline passes through the inner heat exchange ring, it will be heat-exchanged and cooled. Through the cooperation with the external heat exchange fins, the purpose of double-effect heat exchange can be achieved, solving the problems in the prior art that double-effect heat exchange cannot be carried out, heat exchange mainly relies on the external heat exchange fins, heat exchange cannot be carried out inside the pipeline, and at the same time, the internal pipeline is not easy to disassemble and clean, resulting in easy blockage inside. Description of the drawings

[0016] Figure 1 is the overall structure diagram of the present utility model;

[0017] Figure 2 is the installation structure diagram of the tube sheet of the present utility model;

[0018] Figure 3 is the disassembled structure diagram of the tube sheet of the present utility model;

[0019] Figure 4 is the structure diagram of the middle through-hole of the present utility model;

[0020] Figure 5 Structural diagram of the split cooling fine tube of the present utility model;

[0021] Figure 6 Structural diagram of the assembled cooling fine tube of the present utility model.

[0022] Legend:

[0023] 1. Tube sheet; 2. Cooling fine tube; 3. Heat exchange fin; 4. Upper branch pipe; 5. Plug hole; 6. Inner replacement ring; 7. Clamping block; 8. Concave card slot; 9. Lower branch pipe; 10. Brush needle; 11. Fine jack; 12. Middle jack; 13. Middle through pipe; 14. Installation plate; 15. Insert block; 16. Card slot. Specific implementation mode

[0024] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments and the accompanying drawings. However, the following embodiments are only the preferred embodiments of the present utility model, not all of them. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work all belong to the protection scope of the present utility model.

[0025] The specific embodiments of the present utility model will be described below with reference to the accompanying drawings. Specific embodiment 1:

[0027] Refer to Figure 1-6 , a double-effect entropy reduction preheating device, including a tube sheet 1, an installation plate 14, a cooling fine tube 2, an upper branch pipe 4 and a lower branch pipe 9. Fine jacks 11 are annularly arranged at the top of the tube sheet 1, a middle jack 12 is opened in the middle of the front surface of the tube sheet 1, the tube sheet 1 is composed of ten groups of installation plates 14, a middle through pipe 13 is clamped in the middle of the middle jack 12, and the shape of the installation plate 14 is fan-shaped.

[0028] In this device, both the tube sheet 1 and the cooling fine tube 2 can be disassembled and assembled. The heat exchange fins 3 outside the cooling fine tube 2 will exchange heat with the water in the cooling fine tube 2. The tube sheet 1 is spliced by ten groups of installation plates 14, and the assembly of the tube sheet 1 is mainly carried out through the middle through pipe 13 in the middle for connection.

[0029] Card slots 16 are annularly arranged outside the middle through pipe 13, and insert blocks 15 are arranged inside the installation plate 14. The insert blocks 15 and the card slots 16 are mutually clamped and adapted to each other.

[0030] The cooling fine tube 2 penetrates through the inside of the fine jack 11, and the heat exchange fins 3 are clamped outside the cooling fine tube 2.

[0031] After the tube sheet 1 is assembled, multiple groups of cooling fine tubes 2 are inserted into the fine jacks 11, and sealing rings are clamped at the joints. After all the cooling fine tubes 2 are installed, the middle through tube 13 is blocked, and then it can be installed on the base for cooling and heat exchange. Specific Embodiment Two:

[0033] Refer to Figure 1-6 , the cooling fine tube 2 is composed of an upper branch tube 4 and a lower branch tube 9.

[0034] A plug hole 5 is opened at the top of the upper branch tube 4, and clamping blocks 7 are provided on both sides at the bottom of the upper branch tube 4.

[0035] Concave clamping grooves 8 are opened on both sides at the top of the lower branch tube 9. The concave clamping grooves 8 and the clamping blocks 7 are clamped with each other and have a matching height.

[0036] An inner heat exchange ring 6 is clamped between the upper branch tube 4 and the lower branch tube 9, and brush needles 10 are arranged in an external annular array on the inner heat exchange ring 6.

[0037] The upper branch tube 4 and the lower branch tube 9 are mainly clamped through the clamping blocks 7 and the concave clamping grooves 8. After being assembled, the side wall of the cooling fine tube 2 is sealed and there will be no water leakage. The material of the inner heat exchange ring 6 and the external heat exchange fins in the cooling fine tube 2 is the same. When the water in the internal pipeline passes through the inner heat exchange ring 6, it will be heat-exchanged and cooled, and the purpose of double-effect heat exchange can be achieved through the cooperation with the external heat exchange fins 3.

[0038] The hole at the top of the upper branch tube 4 can be opened. After opening the hole, a bolt is selected and inserted into the hole, and is threadedly connected to the top of the inner heat exchange ring 6, so that it can drive the inner heat exchange ring 6 to rotate within a certain range. When the inner heat exchange ring 6 rotates, the external brush needles 10 can scrape off the sludge in the nearby range.

[0039] To sum up:

[0040] 1. In this equipment, the tube sheet 1 and the cooling fine tube 2 are both detachable and assembled. The heat exchange fins 3 outside the cooling fine tube 2 will exchange heat with the water in the cooling fine tube 2. The tube sheet 1 is spliced by ten groups of installation plates 14. The assembly of the tube sheet 1 is mainly carried out through the middle through tube 13. After the tube sheet 1 is assembled, multiple groups of cooling fine tubes 2 are inserted into the fine jacks 11, and sealing rings are clamped at the joints. After all the cooling fine tubes 2 are installed, the middle through tube 13 is blocked, and then it can be installed on the base for cooling and heat exchange.

[0041] 2. The upper branch tube 4 and the lower branch tube 9 are mainly clamped through the clamping blocks 7 and the concave clamping grooves 8. After being assembled, the side wall of the cooling fine tube 2 is sealed and there will be no water leakage. The material of the inner heat exchange ring 6 and the external heat exchange fins in the cooling fine tube 2 is the same. When the water in the internal pipeline passes through the inner heat exchange ring 6, it will be heat-exchanged and cooled, and the purpose of double-effect heat exchange can be achieved through the cooperation with the external heat exchange fins 3.

[0042] The hole at the top of the upper branch pipe 4 can be opened. After opening the hole, a bolt is selected to penetrate the hole and connected with the top thread of the inner change ring 6, so that it can drive the inner change ring 6 to rotate within a certain range. When the inner change ring 6 rotates, the external brush needle 10 can scrape off the sludge in the nearby range.

[0043] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0044] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A double-effect entropy reduction preheating device, comprising a tube sheet (1), a mounting plate (14), and a cooling capillary (2), characterized in that: The top annular array of the tube sheet (1) has fine insertion holes (11), the interior of the fine insertion holes (11) is penetrated by cooling fine tubes (2), the exterior of the cooling fine tubes (2) is clamped with heat exchange fins (3), the middle of the front of the tube sheet (1) is provided with a central insertion hole (12), the tube sheet (1) is composed of ten groups of mounting plates (14), the middle of the central insertion hole (12) is clamped with a central through tube (13), the outer annular array of the central through tube (13) has a slot (16), the inner side of the mounting plate (14) is provided with an insertion block (15), the insertion block (15) and the slot (16) are clamped with each other and are adapted to each other.

2. A double-effect entropy reduction preheating device according to claim 1, characterized in that: The shape of the mounting plate (14) is a fan.

3. A double-effect entropy reduction preheating device according to claim 1, characterized in that: The cooling capillary tube (2) is composed of an upper branch tube (4) and a lower branch tube (9).

4. A double-effect entropy reduction preheating device according to claim 3, characterized in that: A plug hole (5) is provided at the top of the upper branch pipe (4), and clamping blocks (7) are provided on both sides of the bottom of the upper branch pipe (4).

5. A double-effect entropy reduction preheating device according to claim 3, characterized in that: Concave slots (8) are provided on both sides of the top of the lower branch pipe (9), and the concave slots (8) and the embedding blocks (7) are mutually engaged and highly adapted.

6. A double-effect entropy reduction preheating device according to claim 5, characterized in that: An inner change ring (6) is clamped between the upper branch pipe (4) and the lower branch pipe (9), and the outer annular array of the inner change ring (6) has brush needles (10).

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