Drawer type steam heater

Abstract

The utility model discloses a drawer type steam heater which comprises a rectangular supporting frame. The steam coil pipe modules are arranged in the rectangular supporting frame, each steam coil pipe module comprises a module frame detachably installed in the rectangular supporting frame, fins are installed in the module frames at equal intervals, and heat exchange pipes are arranged in the middles of the fins; the S-shaped heat exchanger has the advantages that through the heat exchange tubes of the S-shaped structure and the evenly-distributed fins, steam can move in the tubes in an S shape, the contact time and the contact path of the steam and the fins are effectively prolonged, and the heat exchange efficiency is improved; meanwhile, due to the arrangement of the flow guide plates, airflow can make more sufficient contact with the fins and the heat exchange pipes, the heat transfer efficiency is improved, the steam coil pipe module is arranged in a drawable mode, the module can be easily pulled out through a coil pipe extraction handle to be overhauled or replaced, and the maintenance difficulty and cost are greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam heater technical field, concretely is a drawer type steam heater. BACKGROUND

[0002] Steam heater is a kind of equipment widely used in air separation equipment, petroleum chemical industry, food industry, metallurgical industry and other fields, it mainly uses the heat released by steam to heat the required process gas.

[0003] Traditional steam heater integrated structure needs to be all disassembled when maintaining and repairing, it is very inconvenient when maintaining and overhauling, therefore, the existing steam heater has modular design to its split or drawer type, but drawer type steam heater exists heat exchange efficiency is not high, cannot make airflow and heat exchange component effectively contact. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a drawer type steam heater to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a drawer type steam heater, comprising:

[0006] Rectangular support frame;

[0007] Steam coil module, steam coil module is provided with multiple and is placed in the inside of rectangular support frame, steam coil module includes the module frame that can be detachably installed in the inside of rectangular support frame, the inside of module frame is installed with the fin equidistantly, the middle part of fin is equipped with heat exchange pipe;

[0008] Deflector, deflector is placed in the outside of fin and is evenly distributed in the upper and lower of heat exchange pipe, for guiding airflow and fin and heat exchange pipe contact.

[0009] As preferred, the rectangular support frame is located in the air inlet and air outlet direction and is equipped with air deflector, and the air deflector two ends are connected with the rectangular support frame and the fin located at the outermost side.

[0010] As preferred, one side of the module frame is fixedly connected with coil extraction handle.

[0011] As preferred, one end of the heat exchange pipe is fixedly connected with the air inlet flange, and the rectangular support frame is installed with the condensate outlet away from the air inlet flange.

[0012] As preferred, one end of the air inlet flange is fixedly connected with the shunt pipe, the end of the shunt pipe is fixedly connected with the shunt plate, one side of the shunt plate is fixedly connected with the support plate, and the outer side of the support plate is fixedly connected with the shunt baffle arranged obliquely.

[0013] Preferably, the middle part of the fin is provided with a positioning hole, and the heat exchange pipe passes through the middle part of the positioning hole.

[0014] Preferably, the guide plates are respectively located above and below the positioning holes, and the two guide plates are staggered with each other, and the guide plate is composed of a horizontal plate and an inclined plate inclined towards the fin direction, and the middle part of the inclined plate is provided with a through hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are: through the S-shaped heat exchange pipe and the uniformly distributed fins, the steam can move in S shape in the pipe, effectively prolongs the contact time and path of the steam and the fins, and improves the heat exchange efficiency; meanwhile, the setting of the guide plate makes the airflow more fully contact with the fins and the heat exchange pipe, improves the heat transfer efficiency, the steam coil module is provided with pullable setting, and the module can be easily pulled out for maintenance or replacement through the coil extraction handle, greatly reduces the maintenance difficulty and cost; the side edge of the rectangular support frame is provided with a sealing gasket, ensures that the adjacent two module frames are sealed, prevents steam leakage, the air deflector is opened in a horn-shaped structure, facilitates guiding the airflow to the middle part of the fin, optimizes the airflow path, makes the airflow distribution more uniform, and improves the heat exchange effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the module frame of the utility model;

[0018] Figure 3 It is a structural schematic view of the guide plate of the utility model;

[0019] Figure 4 It is a structural schematic view of the shunt pipe of the utility model.

[0020] In the drawing: 1, rectangular support frame; 2, air deflector; 3, steam coil module; 4, heat exchange pipe; 5, air inlet flange; 6, shunt plate; 7, support plate; 8, shunt baffle; 9, fin; 10, positioning hole; 11, guide plate; 12, through hole; 13, condensate outlet; 14, coil extraction handle; 15, shunt pipe; 16, module frame. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Referring to Figure 1 , 2 , 3, 4, the utility model provides a technical scheme: a drawer type steam heater, include: the rectangular support frame 1 that adopts 304 stainless steel square steel and 304 stainless steel sheet metal processing makes, steam coil module group 3 set up seven and can draw and install in the inside of rectangular support frame 1, steam coil module group 3 includes the module frame 16 that can slide and draw and install in the inside of rectangular support frame 1, the inside equidistance of module frame 16 is fixedly connected with the installation of fin 9, the middle part of fin 9 is equipped with heat exchange pipe 4, and heat exchange pipe 4 is the metal pipe of S shape structure that is composed of straight pipe and elbow pipe, guide plate 11 is welded in the outside of fin 9 and is evenly distributed in the upper and lower of heat exchange pipe 4, for guiding airflow to contact with fin 9 and heat exchange pipe 4.

[0023] Need to be explained, the utility model sends steam into heat exchange pipe 4, steam is guided under the action of heat exchange pipe 4 and walks in the middle part of fin 9 in S shape path, airflow enters from the end of rectangular support frame 1 and then passes out from the gap between fin 9, during this period, airflow contacts with guide plate 11 to increase the contact area of airflow and heat, to improve the heat exchange efficiency, under the guidance and guiding of guide plate 11, airflow will contact with the side of heat exchange pipe 4 that is away from the air inlet direction under the blocking action after blowing through the front surface of heat exchange pipe 4, to fully contact with heat exchange pipe 4, improve the utilization of heat.

[0024] Referring to Figure 1 , 2 As shown, rectangular support frame 1 is located in the air inlet and air outlet direction and is provided with air guide plate 2, the both ends of air guide plate 2 are connected with rectangular support frame 1 and the outermost fin 9, and one side of module frame 16 is fixedly connected with coil extraction handle 14.

[0025] Need to be explained, the side of rectangular support frame 1 of the utility model is provided with sealing pad, sealing is realized between two adjacent module frames 16, two air guide plates 2 are opened in horn shape structure, which is convenient for guiding airflow to the middle part of fin 9, and air guide plate 2 is connected with the outermost fin 9, to realize that the fins 9 on both sides and air guide plate 2 form an air duct, which is convenient for airflow to blow through the middle part of fin 9, and coil extraction handle 14 can pull out each independent steam coil module group 3.

[0026] Referring to Figure 4 As shown, one end of heat exchange pipe 4 is fixedly connected with air inlet flange 5, air outlet 13 is installed at the end of rectangular support frame 1 away from air inlet flange 5, one end of air inlet flange 5 is fixedly connected with shunt pipe 15, end of shunt pipe 15 is fixedly connected with shunt plate 6, one side of shunt plate 6 is fixedly connected with support plate 7, and inclined shunt baffle 8 is fixedly connected to the outside of support plate 7.

[0027] It needs to be explained that the end of the shunt pipe 15 is inserted into the inside of the heat exchange pipe 4, steam enters the shunt pipe 15 through the air inlet flange 5, under the action of the module frame 16 at one end of the shunt pipe 15, the impact of steam on the inside is reduced, and the steam can be contacted with the heat exchange pipe 4 more by being divided and blocked in the shunt baffle 8, so that the heat exchange efficiency is improved.

[0028] Please refer to Figure 3 As shown in the figure, the middle part of the fin 9 is provided with a positioning hole 10, the heat exchange pipe 4 passes through the middle part of the positioning hole 10, the guide plate 11 is located above and below the positioning hole 10 respectively, and the two guide plates 11 are staggered with each other, the guide plate 11 is composed of a horizontal plate and an inclined plate inclined to the direction of the fin 9, and the middle part of the inclined plate is provided with a through hole 12.

[0029] It needs to be explained that the horizontal plate of the guide plate 11 is located in the direction of the airflow entering, the airflow contacts the guide plate 11 when blowing through the fin 9, the fin 9 transmits heat to the guide plate 11, the airflow takes away the heat outside the guide plate 11, and the inclined plate can guide the airflow to contact the side of the heat exchange pipe 4 away from the airflow direction, so that the airflow fully contacts the heat exchange pipe 4, and part of the airflow passes out from the through hole 12, reducing the resistance of the guide plate 11 to the wind.

[0030] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation of the utility model.

[0031] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly include at least one feature.

[0032] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0033] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A drawer-type steam heater characterized by: Include: Rectangular support frame (1); Steam coil module (3), steam coil module (3) is provided with multiple and is placed in the inside of the rectangular support frame (1), the steam coil module (3) includes detachable installation in the inside of rectangular support frame (1) module frame (16), the inside of module frame (16) equidistantly installs fin (9), the middle part of fin (9) is equipped with heat exchange pipe (4); Deflector (11), deflector (11) is placed in the outside of fin (9) and is uniformly distributed above and below heat exchange pipe (4), for guiding airflow and fin (9) and heat exchange pipe (4) contact.

2. A drawer-type steam heater according to claim 1, characterized in that: The rectangular support frame (1) is located in the direction of air inlet and air outlet and is equipped with air deflector (2), the both ends of air deflector (2) are connected with rectangular support frame (1) and the outermost fin (9) respectively.

3. A drawer-type steam heater according to claim 1, characterized in that: One side of the module frame (16) is fixedly connected with coil extraction handle (14).

4. A drawer-type steam heater according to claim 1, characterized in that: One end of the heat exchange pipe (4) is fixedly connected with air inlet flange (5), and the end of the rectangular support frame (1) away from the air inlet flange (5) is provided with condensate outlet (13).

5. A drawer-type steam heater according to claim 4, characterized in that: One end of the air inlet flange (5) is fixedly connected with shunt pipe (15), and the end of the shunt pipe (15) is fixedly connected with shunt plate (6), one side of the shunt plate (6) is fixedly connected with support plate (7), and the outer side of the support plate (7) is fixedly connected with inclined shunt baffle (8).

6. A drawer-type steam heater according to claim 1, characterized in that: The middle part of the fin (9) is provided with positioning hole (10), and the heat exchange pipe (4) passes through the middle part of the positioning hole (10).

7. A drawer-type steam heater according to claim 6, characterized in that: The deflector (11) is located above and below the positioning hole (10) respectively, and the two deflectors (11) are staggered with each other, the deflector (11) is composed of horizontal plate and inclined plate inclined to the direction of fin (9), and the middle part of the inclined plate is provided with through hole (12).

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