Tubular heat exchanger

Abstract

The utility model discloses a tubular heat exchanger which comprises a support, a water pump base, a circulating water pump, a water conveying pipe, a shell, a baffle plate, a connecting pipe, a floating ring, a flowing channel, a pipe bundle, a material feeding pipe, a material output pipe, a pipe box, a material inlet, a discharge outlet and an outer head cover. The top of the water pump base is fixedly connected with a circulating water pump, the left side and the right side of the water pump base are fixedly connected with water conveying pipes, the top of the support is fixedly connected with a shell, and the inner wall of an inner cavity of the shell is fixedly connected with baffle plates in a staggered mode. According to the utility model, the circulating water pump is used for pumping a water source or a cooling liquid, so that the cooling device has the advantage that corresponding cooling water can be directly and quickly cooled according to different materials during later use. And the use in the later period is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of shell-and-tube heat exchangers, and specifically relates to a shell-and-tube heat exchanger. Background Technique

[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger. Heat exchangers play an important role in many industrial productions such as chemical industry, petroleum, power, food and others. In chemical production, heat exchangers can be used as heaters, coolers, condensers, evaporators, reboilers, etc., and are widely used.

[0003] In the prior art, when heat exchange tubes are used under long-term complex working conditions, the heat exchange tubes will be affected by factors such as corrosion, erosion, wear, fouling and high pressure, resulting in damage to the heat exchange tubes. For example, when a shell-and-tube heat exchanger is used in a thermal power station, the heat exchange tubes work under high temperature and high pressure conditions for a long time, and it is inevitable to encounter problems such as thermal strength and microscopic resistance deterioration. Therefore, when the equipment needs to be replaced during use, it will be very troublesome and the heat exchange efficiency is not high. Therefore, a shell-and-tube heat exchanger is introduced to solve such problems. Content of the Utility Model

[0004] To solve the problems raised in the above background technique, the purpose of the present utility model is to provide a shell-and-tube heat exchanger, which has the advantages of fully exchanging heat for the internal liquid materials and being more convenient for later equipment maintenance, and solves the problems that it is very troublesome to replace the equipment during use and the heat exchange efficiency is not high.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A shell-and-tube heat exchanger, including a bracket, a water pump base, a circulating water pump, a water delivery pipe, a shell, a baffle plate, a connecting pipe, a floating ring, a flow channel, a tube bundle, a material inlet pipe, a material outlet pipe, a tube box, a material inlet, a discharge port and an outer head cover. The middle part of the back of the bracket is provided with a water pump base. The top of the water pump base is fixedly connected with a circulating water pump. The left and right sides of the water pump base are fixedly connected with water delivery pipes. The top of the bracket is fixedly connected with a shell. The inner cavity wall of the shell is fixedly connected with baffle plates in a staggered manner. The bottom of the shell is fixedly connected with a connecting pipe. The left and right sides of the shell are provided with floating rings. The floating ring surface is provided with a flow channel. The holes opened on the floating ring surface are fixedly connected with a tube bundle. The upper half part of the left tube bundle is connected with a material inlet pipe on the left side of the tube bundle. The lower half part of the left tube bundle is connected with a material outlet pipe on the left side of the tube bundle. On the left side of the left floating ring is provided a tube box. The top of the tube box is fixedly connected with a material inlet. The bottom of the tube box is fixedly connected with a discharge port. On the right side of the left floating ring is provided an outer head cover.

[0006] Preferably, a water suction pipe is provided on the back of the water pump base, and a circulating water pump is used to suck water source or coolant.

[0007] Preferably, the shell, floating ring, tube box and outer head cover are connected by bolts and nuts, and a floating gasket is provided at the connection.

[0008] Preferably, the surface of the baffle plate is provided with holes consistent with the number, diameter and size of the tube bundle.

[0009] Preferably, the tube bundle is divided into upper and lower halves, and the rightmost protruding part of the flow channel is connected by a pipe with an inner diameter consistent with the outer diameter of the tube bundle, and a waterproof gasket with anti-corrosion characteristics is provided at the connection.

[0010] Preferably, a stainless steel valve is provided outside the discharge port.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. The present utility model sucks water source or coolant through a circulating water pump, and has the advantage of being able to directly cool down the corresponding cooling water according to different materials during later use, which is more convenient during later use.

[0013] 2. Through the combined use of the bracket, shell, floating ring, tube box and outer head cover of the present utility model, it is more convenient to check and repair during later use. A floating gasket is provided at the connection between the shell, floating ring, tube box and outer head cover during later use, which can ensure the sealing performance of the equipment during later use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is an enlarged view of the water pump base of the structure of the present utility model;

[0016] Figure 3 is a sectional view of the shell of the structure of the present utility model;

[0017] Figure 4 is an enlarged view of the tube bundle of the structure of the present utility model;

[0018] Figure 5 is a sectional view of the tube box and outer head cover of the structure of the present utility model

[0019] In the figure: 1, support; 2, water pump base; 3, circulating water pump; 4, water delivery pipe; 5, housing; 6, baffle plate; 7, connecting pipe; 8, floating ring; 9, flow channel; 10, tube bundle; 11, material feed pipe; 12, material output pipe; 13, tube sheet; 14, material inlet; 15, discharge port; 16, outer head cover. Detailed implementation manner

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] As Figures 1 to 5 shown, a shell-and-tube heat exchanger provided by the present invention includes a support 1, a water pump base 2, a circulating water pump 3, a water delivery pipe 4, a housing 5, a baffle plate 6, a connecting pipe 7, a floating ring 8, a flow channel 9, a tube bundle 10, a material feed pipe 11, a material output pipe 12, a tube sheet 13, a material inlet 14, a discharge port 15, and an outer head cover 16. A water pump base 2 is provided in the middle of the back of the support 1. A circulating water pump 3 is fixedly connected to the top of the water pump base 2. Water delivery pipes 4 are fixedly connected to the left and right sides of the water pump base 2. A housing 5 is fixedly connected to the top of the support 1. Baffle plates 6 are fixedly connected to the inner wall of the housing 5 in a staggered manner. A connecting pipe 7 is fixedly connected to the bottom of the housing 5. Floating rings 8 are provided on the left and right surfaces of the housing 5. Flow channels 9 are provided on the surfaces of the floating rings 8. Tube bundles 10 are fixedly connected to the holes provided on the surfaces of the floating rings 8. A material feed pipe 11 is connected to the left side of the upper half of the left tube bundle 10. A material output pipe 12 is connected to the left side of the lower half of the left tube bundle 10. A tube sheet 13 is provided on the left side of the left floating ring 8. A material inlet 14 is fixedly connected to the top of the tube sheet 13. A discharge port 15 is fixedly connected to the bottom of the tube sheet 13. An outer head cover 16 is provided on the right side of the left floating ring 8.

[0022] Referring to Figures 1 to 5 , a water suction pipe is provided on the back of the water pump base 2, and a water source or coolant is sucked through the circulating water pump 3.

[0023] As a technical optimization solution of the present invention, a water suction pipe is provided on the back of the water pump base 2, and a water source or coolant is sucked through the circulating water pump 3. A water suction pipe is provided on the back of the water pump base 2, and a water source or coolant is sucked through the circulating water pump 3.

[0024] Referring to Figures 1 to 5, the shell 5, floating ring 8, tube sheet 13 and outer head 16 are connected by bolts and nuts, and floating gaskets are provided at the connection points.

[0025] As a technical optimization solution of the present utility model, by connecting the shell 5, floating ring 8, tube sheet 13 and outer head 16 with bolts and nuts, and floating gaskets are provided at the connection points, the sealing performance of the equipment can be guaranteed during later use, avoiding the problem that the equipment may be damaged by acidic substances due to poor sealing conditions.

[0026] Reference Figures 1 to 5 , holes consistent with the number, diameter and size of the tube bundle 10 are provided on the surface of the baffle 6.

[0027] As a technical optimization solution of the present utility model, by providing holes consistent with the number, diameter and size of the tube bundle 10 on the surface of the baffle 6, not only the flow rate of the coolant is restricted, the cooling range is increased, but also the baffle 6 plays a role in supporting the tube bundle 10.

[0028] Reference Figures 1 to 5 , the tube bundle 10 is divided into upper and lower halves, and the rightmost protruding flow channel 9 part is connected by a pipe with an inner diameter consistent with the outer diameter of the tube bundle 10, and a waterproof gasket with anti-corrosion characteristics is provided at the connection point.

[0029] As a technical optimization solution of the present utility model, by dividing the tube bundle 10 into upper and lower halves, and connecting the rightmost protruding flow channel 9 part with a pipe having an inner diameter consistent with the outer diameter of the tube bundle 10, and providing a waterproof gasket with anti-corrosion characteristics at the connection point, the problem of material pollution caused by the internal material leaking out of the tube bundle 10 or the coolant entering the tube bundle 10 is avoided.

[0030] Reference Figures 1 to 5 , a stainless steel valve is provided outside the discharge port 15.

[0031] As a technical optimization solution of the present utility model, by providing a stainless steel valve outside the discharge port 15, the stainless steel valve can be closed first after the material enters, and after the material in the tube bundle 10 is fully cooled, the stainless steel valve can be opened for discharge.

[0032] Working principle and usage process of the utility model: During use, a water pump base 2 is arranged in the middle of the back of the bracket 1. A circulating water pump 3 is fixedly connected to the top of the water pump base 2. A water suction pipe is arranged on the back of the water pump base 2. The water source or coolant is suctioned through the circulating water pump 3. A water suction pipe is arranged on the back of the water pump base 2. The water source or coolant is suctioned through the circulating water pump 3. Water delivery pipes 4 are fixedly connected to the left and right sides of the water pump base 2. A housing 5 is fixedly connected to the top of the bracket 1. Baffle plates 6 are staggeredly fixedly connected to the inner cavity wall of the housing 5. A connecting pipe 7 is fixedly connected to the bottom of the housing 5. Floating rings 8 are arranged on the left and right surfaces of the housing 5. Flow channels 9 are formed on the surfaces of the floating rings 8. Tube bundles 10 are fixedly connected to the holes formed on the surfaces of the floating rings 8. The baffle plates 6 are provided with holes having the same quantity, diameter and size as those of the tube bundles 10. This not only restricts the flow rate of the coolant, improves the cooling range, but also supports the tube bundles 10 through the baffle plates 6. The tube bundles 10 are divided into upper and lower halves. The part protruding from the flow channel 9 on the rightmost side is connected through a pipe having an inner diameter consistent with the outer diameter of the tube bundles 10. A waterproof gasket with anti-corrosion characteristics is arranged at the connection part to avoid the problem of material pollution caused by the internal material leaking out of the tube bundles 10 or the coolant entering the tube bundles 10. A material inlet pipe 11 is connected to the left side of the upper half of the left tube bundle 10, and a material outlet pipe 12 is connected to the left side of the lower half of the left tube bundle 10. A tube box 13 is arranged on the left side of the left floating ring 8. A material inlet 14 is fixedly connected to the top of the tube box 13. A discharge port 15 is fixedly connected to the bottom of the tube box 13. A stainless steel valve is arranged outside the discharge port 15. In this way, after the material enters, the stainless steel valve can be closed first. After the material in the tube bundles 10 is fully cooled, the stainless steel valve can be opened for discharging. An outer head cover 16 is arranged on the right side of the left floating ring 8. The housing 5, the floating rings 8, the tube box 13 and the outer head cover 16 are connected through bolts and nuts. Floating gaskets are arranged at the connection parts. In this way, the sealing performance of the equipment can be ensured during later use, avoiding the problem that the equipment may be damaged by acidic substances due to poor sealing conditions. In this way, it has the advantages of fully exchanging heat for the internal liquid material and being more convenient for later equipment maintenance, solving the problems of being very troublesome when the equipment needs to be replaced during use and low heat exchange efficiency.

[0033] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0034] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shell-and-tube heat exchanger, comprising a bracket (1), a water pump base (2), a circulating water pump (3), a water delivery pipe (4), a shell (5), a baffle (6), a connecting pipe (7), a floating ring (8), a flow channel (9), a tube bundle (10), a material feed pipe (11), a material output pipe (12), a tube box (13), a material inlet (14), a discharge port (15) and an outer cover (16), characterized in that: A water pump base (2) is provided at the middle of the back of the support (1), a circulating water pump (3) is fixedly connected to the top of the water pump base (2), a water delivery pipe (4) is fixedly connected to the left and right sides of the water pump base (2), a shell (5) is fixedly connected to the top of the support (1), a baffle (6) is fixedly connected to the inner wall of the inner cavity of the shell (5) in a staggered manner, a connecting pipe (7) is fixedly connected to the bottom of the shell (5), floating rings (8) are provided on the left and right surfaces of the shell (5), a flow channel (9) is opened on the surface of the floating ring (8), and the floating ring (8) is fixedly connected to the inner wall of the inner cavity of the shell (5). A tube bundle (10) is fixedly connected in the hole formed on the surface of the ring (8); a material feed pipe (11) is connected to the left side of the upper half of the left tube bundle (10); a material output pipe (12) is connected to the left side of the lower half of the left tube bundle (10); a tube box (13) is arranged on the left side of the floating ring (8) on the left side; a material inlet (14) is fixedly connected to the top of the tube box (13); a discharge port (15) is fixedly connected to the bottom of the tube box (13); and an outer head cover (16) is arranged on the right side of the floating ring (8) on the left side.

2. A shell-and-tube heat exchanger according to claim 1, characterized in that: The back of the water pump base (2) is provided with a water pump, and water or coolant is pumped by a circulating water pump (3).

3. A shell-and-tube heat exchanger according to claim 1, characterized in that: The housing (5), the floating ring (8), the pipe box (13) and the outer head cover (16) are connected by bolts and nuts, and floating gaskets are provided at the connection points.

4. A shell-and-tube heat exchanger according to claim 1, characterized in that: The surface of the baffle (6) is provided with holes having the same number, diameter and size as the tube bundle (10).

5. The shell-and-tube heat exchanger according to claim 1, characterized in that: The tube bundle (10) is divided into an upper and lower halves, and the rightmost protruding flow channel (9) is connected via a pipe having an inner diameter consistent with the outer diameter of the tube bundle (10), and a waterproof pad with anti-corrosion properties is provided at the connection.

6. The shell-and-tube heat exchanger according to claim 1, characterized in that: A stainless steel valve is arranged on the outside of the discharge port (15).

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