Gas turbine inlet air heating device

Abstract

The utility model discloses a gas turbine inlet air heating device which comprises an electric heating box, a back plate fixedly connected to the tail end of the electric heating box, an assembling base fixedly connected to the opening end of the electric heating box and an assembling groove formed in the surface of the assembling base. One end of the metal coil pipe is connected with an air inlet connector in a communicating mode, and the other end of the metal coil pipe is connected with an air exhaust connector in a communicating mode. The two ends of the metal coil pipe are connected with a gas inlet connector and a gas exhaust connector in a communicating mode, the cover plate is inserted into the electric heating box, the inserting end of the electric heating rod A extends to the inner position of the metal coil pipe, the multiple electric heating rods B are located on the outer side of the metal coil pipe, and gas flows into the metal coil pipe from the gas inlet connector. The electric heating rod A and the electric heating rod B are started through external control equipment, the outer surface of the metal coil pipe is effectively and evenly heated, it is kept that gas in the metal coil pipe is evenly heated, and the good heating effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas turbine technical field, concretely relates to a gas turbine air intake heating device. BACKGROUND

[0002] The gas turbine is only the gas turbine cycle that only three major components of compressor, combustion chamber and gas turbine are composed in the main flow of air and gas, commonly known as simple cycle, most gas turbines adopt simple cycle scheme,

[0003] Through the retrieval, a kind of gas turbine air intake heating device of patent announcement No. CN206397602U, including heating box, gas turbine air intake pipe, heater and circulating fan, heating box is equipped with air inlet and air outlet, air inlet is located the lower side of heating box outside, air outlet is located the upper side of heating box with the same side of air inlet, heating box is equipped with elastic support, elastic support is equipped with heating pipe installation slot, gas turbine air intake pipe penetrates heating box, and the part of gas turbine air intake pipe in heating box interior is located the middle of heating box interior, heater and circulating fan are arranged at the top outside of heating box;Reasonable structure design, the combination design of elastic support and heating pipe screw thread structure is added in heating line, and heating pipe expansion problem is well solved;

[0004] In the prior art, when using the electric heating box to heat and treat the inhaled air, the position matching of the electric heating pipe installation structure inside the electric heating box and the air inlet pipe is not good, which causes uneven heating of the air inlet pipe, and the use effect is not good, therefore, a gas turbine air intake heating device needs to be designed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of gas turbine air intake heating device to solve the problems raised in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of gas turbine air intake heating device, including electric heating box, backplate fixedly connected at the end of the electric heating box, assembly seat fixedly connected at the open end of the electric heating box, and assembly groove being opened in the surface of the assembly seat, metal coil pipe is inserted into the inside of the electric heating box, one end of the metal coil pipe is connected with air inlet joint in conduction, the other end of the metal coil pipe is connected with exhaust joint in conduction;

[0007] The opening position of the assembly seat is inserted with cover plate, the inner surface of the cover plate is fixedly connected with assembly plate, electric heating rod A and electric heating rod B are vertically installed on the surface of the assembly plate.

[0008] Preferably, the insertion end of the electric heating rod A extends to the inside position of the metal coil pipe, and a plurality of the electric heating rod B is located at the outside position of the metal coil pipe.

[0009] Preferably, the assembly plate and the assembly groove of the surface of the assembly seat are inserted correspondingly, and the surface of the cover plate is fixedly connected with a control seat.

[0010] Preferably, the surface of the cover plate is symmetrically provided with a handle, and the surface of the cover plate is fixedly connected with a mounting seat.

[0011] Preferably, the upper surface of the electric heating box is provided with a pressure relief hole, and the pressure relief hole of the electric heating box is in position and is connected with a pressure relief valve in a lead-through mode.

[0012] Preferably, the surface of the assembly plate is fixedly connected with a positioning column, and the positioning column is arranged in parallel at the outer side of the electric heating rod A.

[0013] Preferably, the surface of the back plate is fixedly connected with a positioning cylinder, and the positioning column and the positioning cylinder are inserted correspondingly.

[0014] Compared with the prior art, the electric heating device has the beneficial effects that:

[0015] 1. The two ends of the metal coil pipe are connected with an air inlet joint and an air outlet joint in a lead-through mode, the cover plate is inserted into the electric heating box, the inserted end of the electric heating rod A extends to the inner position of the metal coil pipe, and the plurality of electric heating rods B are located at the outer side of the metal coil pipe. The gas flows into the inner position of the metal coil pipe from the air inlet joint, and the electric heating rod A and the electric heating rod B are started by an external control device, so that the outer surface of the metal coil pipe is uniformly heated and treated, the gas in the metal coil pipe is uniformly heated, and good heating effect is achieved.

[0016] 2. The surface of the assembly plate is fixedly connected with a positioning column, the surface of the back plate is fixedly connected with a positioning cylinder, and when the cover plate is installed on the electric heating box, the positioning column and the positioning cylinder are inserted correspondingly, so that good auxiliary positioning and supporting performance are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the electric heating box and the back plate structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the electric heating box and the metal coil pipe structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the cover plate of the utility model.

[0021] In the figure: 1, electric heating box; 2, back plate; 201, positioning cylinder; 3, pressure relief valve; 4, air inlet joint; 5, cover plate; 6, mounting seat; 7, control seat; 8, handle; 9, assembly seat; 10, assembly groove; 11, metal coil pipe; 12, exhaust joint; 13, assembly plate; 14, electric heating rod A; 15, electric heating rod B; 16, positioning column. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Embodiment one: please refer to Figures 1 to 4 The present application provides a kind of gas turbine air intake heating device technical scheme: including electric heating box 1, the back plate 2 of fixed connection in the end of electric heating box 1, the assembly seat 9 of fixed connection in the open end of electric heating box 1, and assembly groove 10 being opened in the surface of assembly seat 9, the inside of electric heating box 1 is inserted with metal coil pipe 11, one end of metal coil pipe 11 is connected with air inlet joint 4 in conduction, the other end of metal coil pipe 11 is connected with exhaust joint 12 in conduction;

[0024] The opening position of assembly seat 9 is inserted with cover plate 5, the inner surface of cover plate 5 is fixedly connected with assembly plate 13, and electric heating rod A 14 and electric heating rod B 15 are vertically installed on the surface of assembly plate 13.

[0025] The insertion end of electric heating rod A 14 extends to the inside position of metal coil pipe 11, and a plurality of electric heating rod B 15 are located at the outside position of metal coil pipe 11, the assembly groove 10 of assembly plate 13 and assembly seat 9 surface is inserted correspondingly, the surface of cover plate 5 is fixedly connected with control seat 7, the surface of cover plate 5 is symmetrically installed with handle 8, the surface of cover plate 5 is fixedly connected with mounting seat 6, the upper surface of electric heating box 1 is provided with pressure relief hole, and the pressure relief hole position of electric heating box 1 is connected with pressure relief valve 3 in conduction.

[0026] From the above description, the utility model has the following beneficial effects: the both ends of metal coil pipe 11 are connected with air inlet joint 4 and exhaust joint 12, the cover plate 5 is inserted in the inside of electric heating box 1, the insertion end of electric heating rod A14 extends to the inside position of metal coil pipe 11, a plurality of electric heating rod B15 are located at the outside position of metal coil pipe 11, the gas flows into the inside of metal coil pipe 11 from air inlet joint 4 position, starts electric heating rod A14 and electric heating rod B15 through external control equipment, then effectively heats the outside surface of metal coil pipe 11 evenly, keeps the gas in the inside of metal coil pipe 11 even, has very good heating effect.

[0027] Example two: please refer to Figures 1 to 4 As shown in the figure, on the basis of example one, the utility model provides a kind of gas turbine air intake heating device technical scheme: the surface of assembly plate 13 is fixedly connected with positioning column 16, positioning column 16 is parallelly arranged at the outside position of electric heating rod A14, the surface of back plate 2 is fixedly connected with positioning cylinder 201, positioning column 16 and positioning cylinder 201 are inserted in correspondence.

[0028] Using the above technical scheme, the surface of assembly plate 13 is fixedly connected with positioning column 16, the surface of back plate 2 is fixedly connected with positioning cylinder 201, when installing cover plate 5 relative to electric heating box 1, positioning column 16 and positioning cylinder 201 are inserted in correspondence, with very good auxiliary positioning and supporting performance.

[0029] The working principle and use process of the utility model: the both ends of metal coil pipe 11 are connected with air inlet joint 4 and exhaust joint 12, the cover plate 5 is inserted in the inside of electric heating box 1, the insertion end of electric heating rod A14 extends to the inside position of metal coil pipe 11, a plurality of electric heating rod B15 are located at the outside position of metal coil pipe 11, the gas flows into the inside of metal coil pipe 11 from air inlet joint 4 position, starts electric heating rod A14 and electric heating rod B15 through external control equipment, then effectively heats the outside surface of metal coil pipe 11 evenly, keeps the gas in the inside of metal coil pipe 11 even, has very good heating effect;The surface of assembly plate 13 is fixedly connected with positioning column 16, the surface of back plate 2 is fixedly connected with positioning cylinder 201, when installing cover plate 5 relative to electric heating box 1, positioning column 16 and positioning cylinder 201 are inserted in correspondence, with very good auxiliary positioning and supporting performance.

[0030] It is to be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0031] The above description is merely intended to illustrate the technical solutions of the present application, but not to limit the present application. Other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art shall be included in the scope of the claims of the present application, as long as these modifications or equivalent replacements do not depart from the spirit and scope of the technical solutions of the present application.

Claims

1. A gas turbine air intake heating device, comprising an electric heating box (1), a back plate (2) fixedly connected to the end of the electric heating box (1), an assembly seat (9) fixedly connected to the open end of the electric heating box (1), and an assembly groove (10) opened on the surface of the assembly seat (9), characterized in that: The electric heating box (1) is internally inserted with a metal coil pipe (11), one end of the metal coil pipe (11) is in conductive connection with an air inlet joint (4), the other end of the metal coil pipe (11) is in conductive connection with an air outlet joint (12); The opening position of the assembly seat (9) is inserted with a cover plate (5), the inner surface of the cover plate (5) is fixedly connected with an assembly plate (13), the surface of the assembly plate (13) is vertically installed with an electric heating rod A (14) and an electric heating rod B (15).

2. A gas turbine air inlet heating device according to claim 1, characterised in that: The insertion end of the electric heating rod A (14) extends to the internal position of the metal coil pipe (11), and a plurality of electric heating rod B (15) are located at the external position of the metal coil pipe (11).

3. A gas turbine air inlet heating apparatus according to claim 1, characterised in that: The surface of the assembly plate (13) and the assembly groove (10) of the assembly seat (9) are inserted correspondingly, and the surface of the cover plate (5) is fixedly connected with a control seat (7).

4. A gas turbine air inlet heating apparatus according to claim 1, characterised in that: The surface of the cover plate (5) is symmetrically installed with a handle (8), and the surface of the cover plate (5) is fixedly connected with a mounting seat (6).

5. A gas turbine air inlet heating apparatus according to claim 1, characterised in that: The upper surface of the electric heating box (1) is provided with a pressure relief hole, and the pressure relief hole position of the electric heating box (1) is in conductive connection with a pressure relief valve (3).

6. A gas turbine air inlet heating apparatus according to claim 1, characterised in that: The surface of the assembly plate (13) is fixedly connected with a positioning column (16), and the positioning column (16) is arranged in parallel at the external position of the electric heating rod A (14).

7. A gas turbine air inlet heating apparatus according to claim 6, characterised in that: The surface of the back plate (2) is fixedly connected with a positioning cylinder (201), and the positioning column (16) and the positioning cylinder (201) are inserted correspondingly.

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