CN213089791U - Gas energy-saving device for thermal power plant - Google Patents

Gas energy-saving device for thermal power plant Download PDF

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Publication number
CN213089791U
CN213089791U CN202022072508.6U CN202022072508U CN213089791U CN 213089791 U CN213089791 U CN 213089791U CN 202022072508 U CN202022072508 U CN 202022072508U CN 213089791 U CN213089791 U CN 213089791U
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China
Prior art keywords
flange
power plant
convection bank
thermal power
groove
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CN202022072508.6U
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Chinese (zh)
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刘军
周玉梅
田新晶
侯方
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Tianjin Huadian Fuyuan Thermal Power Co ltd
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Tianjin Huadian Fuyuan Thermal Power Co ltd
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Abstract

The utility model provides a thermal power plant uses gas economizer, include: the convection bank, the first flange and the groove; the two ends of the convection bank are welded with circular first flanges, and the end surface of one end, away from the convection bank, of each first flange is provided with at least one annular groove; a circular sealing gasket is embedded at the bottom of the groove; connecting pipes matched with the convection pipe bundles are welded on the steam pocket, the water pocket and the header; a valve is connected to the middle of the connecting pipe in a threaded manner, and a second flange matched with the first flange is welded to one end, close to the end part of the convection bank, of the connecting pipe; the utility model has the advantages of rational in infrastructure, convenient to detach installs, and convenient the change, convenient clearance is connected more tightly, is difficult for gas leakage to effectual solution the utility model provides a problem and not enough.

Description

Gas energy-saving device for thermal power plant
Technical Field
The utility model relates to a thermal power technology field, more specifically the theory that says so especially relates to a thermal power plant uses gas economizer.
Background
The thermal power plant is a factory for converting chemical energy of coal, petroleum, natural gas or other fuels (such as domestic garbage, biomass, residual heat and residual pressure and residual gas in a high-energy consumption factory and the like) into electric energy, and is mainly divided into a coal-fired power plant and a gas power plant.
Found by search, the utility model patent publication (announcement) no: CN209511960U discloses a waste heat boiler, which solves the technical problem in the prior art that the heat in the high temperature flue gas is not effectively utilized, and comprises a steam drum, a water drum and a header, wherein the length of the steam drum is greater than that of the water drum, the water drum and the header are located below the steam drum, the steam drum is respectively communicated with the header and the water drum through a plurality of convection tube bundles, the water drum is communicated with the header, the water flowing from the steam drum into the header can flow into the water drum and the convection tube bundles communicated with the header, and the steam-water mixture generated after the heat exchange between the water in the convection tube bundles and the high temperature flue gas in the waste heat boiler can enter the steam drum.
Above-mentioned this kind of exhaust-heat boiler is arranged in the heat of recycle high temperature flue gas, but this exhaust-heat boiler's convection bank and steam drum, water drum, the connected mode of collection case are the welding, are not convenient for to the dismantlement of convection bank, consequently it is comparatively inconvenient when changing convection bank or clearing up its interior pipe wall.
In view of the above, the present invention provides a gas energy saving device for a thermal power plant, which is developed to solve the problems and improve the practical value.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas economizer is used in thermal power plant to solve the problem that proposes in the above-mentioned background art and not enough.
In order to achieve the above object, the utility model provides a gas economizer is used in thermal power plant is reached by following specific technological means:
a gas energy-saving device for a thermal power plant comprises: the convection bank, the first flange, the groove, the sealing washer, the steam pocket, the water pocket, the header, the connecting pipe, the valve, the second flange and the bulge; the two ends of the convection bank are welded with circular first flanges, and the end surface of one end, away from the convection bank, of each first flange is provided with at least one annular groove; a circular sealing gasket is embedded at the bottom of the groove; connecting pipes matched with the convection pipe bundles are welded on the steam pocket, the water pocket and the header; a valve is connected to the middle of the connecting pipe in a threaded manner, and a second flange matched with the first flange is welded to one end, close to the end part of the convection bank, of the connecting pipe; the end face, far away from one end of the connecting pipe, of the second flange is welded with a bulge matched with the groove.
As the further optimization of this technical scheme, the utility model relates to a gas economizer is used in thermal power plant the connecting pipe is established to the pipe.
As a further optimization of this technical scheme, the utility model relates to a gas economizer is used in thermal power plant the second flange is circular form, and the second flange is connected through the bolt fastening mode with first flange.
As the further optimization of this technical scheme, the utility model relates to a gas economizer is used in thermal power plant the arch is the annular shape, and the arch is pegged graft through clearance fit mode with the recess.
As the further optimization of this technical scheme, the utility model relates to a gas economizer is used in thermal power plant the protruding one end of keeping away from the second flange and seal ring keep away from the one end looks butt of groove tank bottom.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses a set up first flange, second flange, connecting pipe, valve, and the second flange is connected through the bolt fastening mode with first flange, and the dismantlement installation of convection bank of being convenient for makes things convenient for the change of convection bank, makes things convenient for the clearance of interior pipe wall of convection bank.
2. The utility model discloses a set up recess, seal ring, arch for the connection of first flange and second flange is comparatively tight, is difficult for leaking gas.
3. The utility model discloses a to a thermal power plant uses gas economizer's improvement, it is rational in infrastructure to have, convenient to detach installs, and convenient the change, convenient clearance is connected more tightly, the advantage of difficult gas leakage to effectual solution the utility model discloses the problem that proposes in background art is with not enough.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the point A of the present invention;
FIG. 3 is a schematic view of the connecting pipe axial-measuring structure of the present invention;
fig. 4 is the structure diagram of the local axial measurement of the convection bank of the present invention.
In the figure: convection bank 1, first flange 2, recess 3, seal ring 4, steam pocket 5, water pocket 6, collection case 7, connecting pipe 8, valve 9, second flange 10, arch 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1 to 4, the utility model provides a specific technical implementation of a gas energy-saving device for thermal power plant:
a gas energy-saving device for a thermal power plant comprises: the device comprises a convection bank 1, a first flange 2, a groove 3, a sealing gasket 4, a steam pocket 5, a water pocket 6, a header 7, a connecting pipe 8, a valve 9, a second flange 10 and a bulge 11; two ends of the convection bank 1 are welded with circular first flanges 2, and the end surface of one end of the first flange 2 far away from the convection bank 1 is provided with at least one annular groove 3; a circular sealing gasket 4 is embedded at the bottom of the groove 3; connecting pipes 8 matched with the convection bank 1 are welded on the steam pocket 5, the water pocket 6 and the header 7; a valve 9 is connected to the middle of the connecting pipe 8 in a threaded manner, and a second flange 10 matched with the first flange 2 is welded to one end, close to the end part of the convection bank 1, of the connecting pipe 8; the end face of the second flange 10 far away from one end of the connecting pipe 8 is welded with a bulge 11 matched with the groove 3.
Specifically, referring to fig. 2, the connection pipe 8 is a circular pipe.
Specifically, referring to fig. 2, the second flange 10 is circular, and the second flange 10 is connected to the first flange 2 by bolts, so as to butt-joint and fix the connecting pipe 8 and the convection bank 1 together.
Specifically, referring to fig. 3, the protrusion 11 is circular, and referring to fig. 2, the protrusion 11 is inserted into the groove 3 in a clearance fit manner.
Specifically, referring to fig. 2, one end of the protrusion 11 away from the second flange 10 abuts against one end of the sealing gasket 4 away from the bottom of the groove 3, so as to seal the second flange 10 and the first flange 2.
The method comprises the following specific implementation steps:
the first flange 2 is connected with the second flange 10 in a bolt fixing mode, so that the convection bank 1 is convenient to disassemble and assemble, the convection bank 1 is convenient to replace, and the inner pipe wall of the convection bank 1 is convenient to clean; the groove 3 on the first flange 2 is inserted into the protrusion 11 on the second flange 10, and the protrusion 11 is abutted to the sealing washer 4 after insertion, so that the first flange 2 and the second flange 10 are connected tightly and are not easy to leak gas.
In summary, the following steps: according to the gas energy-saving device for the thermal power plant, the first flange, the second flange, the connecting pipe and the valve are arranged, and the second flange is connected with the first flange in a bolt fixing mode, so that the convection bank is convenient to disassemble and assemble, the convection bank is convenient to replace, and the inner wall of the convection bank is convenient to clean; the first flange and the second flange are connected tightly by arranging the groove, the sealing washer and the bulge, so that air leakage is not easy to occur; the utility model discloses a to a thermal power plant uses gas economizer's improvement, it is rational in infrastructure to have, convenient to detach installs, and convenient the change, convenient clearance is connected more tightly, the advantage of difficult gas leakage to effectual solution the utility model provides a problem and not enough.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A gas energy-saving device for a thermal power plant comprises: the device comprises a convection bank (1), a first flange (2), a groove (3), a sealing gasket (4), a steam pocket (5), a water pocket (6), a header (7), a connecting pipe (8), a valve (9), a second flange (10) and a protrusion (11); the method is characterized in that: two ends of the convection bank (1) are welded with circular first flanges (2), and the end face, away from one end of the convection bank (1), of each first flange (2) is provided with at least one annular groove (3); a circular sealing gasket (4) is embedded at the bottom of the groove (3); the steam pocket (5), the water pocket (6) and the header (7) are welded with connecting pipes (8) matched with the convection bank (1); a valve (9) is connected to the middle of the connecting pipe (8) in a threaded manner, and a second flange (10) matched with the first flange (2) is welded to one end, close to the end part of the convection bank (1), of the connecting pipe (8); the end face, away from one end of the connecting pipe (8), of the second flange (10) is welded with a bulge (11) matched with the groove (3).
2. The gas energy-saving device for the thermal power plant according to claim 1, characterized in that: the connecting pipe (8) is a round pipe.
3. The gas energy-saving device for the thermal power plant according to claim 1, characterized in that: the second flange (10) is circular, and the second flange (10) is connected with the first flange (2) in a bolt fixing mode.
4. The gas energy-saving device for the thermal power plant according to claim 1, characterized in that: the protrusion (11) is in a ring shape, and the protrusion (11) is inserted into the groove (3) in a clearance fit mode.
5. The gas energy-saving device for the thermal power plant according to claim 1, characterized in that: one end of the bulge (11) far away from the second flange (10) is abutted with one end of the sealing washer (4) far away from the bottom of the groove (3).
CN202022072508.6U 2020-09-21 2020-09-21 Gas energy-saving device for thermal power plant Active CN213089791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022072508.6U CN213089791U (en) 2020-09-21 2020-09-21 Gas energy-saving device for thermal power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022072508.6U CN213089791U (en) 2020-09-21 2020-09-21 Gas energy-saving device for thermal power plant

Publications (1)

Publication Number Publication Date
CN213089791U true CN213089791U (en) 2021-04-30

Family

ID=75613438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022072508.6U Active CN213089791U (en) 2020-09-21 2020-09-21 Gas energy-saving device for thermal power plant

Country Status (1)

Country Link
CN (1) CN213089791U (en)

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