CN213748036U - Flow passage variable type gas plate type preheater - Google Patents
Flow passage variable type gas plate type preheater Download PDFInfo
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- CN213748036U CN213748036U CN202022355709.7U CN202022355709U CN213748036U CN 213748036 U CN213748036 U CN 213748036U CN 202022355709 U CN202022355709 U CN 202022355709U CN 213748036 U CN213748036 U CN 213748036U
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- flue gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a runner variable coal gas plate heater, concretely relates to heat exchange technology field, the power distribution box comprises a box body, the inside heat transfer baffle that is equipped with of box, heat transfer baffle and box inner wall fixed connection, the fixed four baffles that are equipped with of heat transfer baffle front side surface, four baffles distribute in proper order around the heat transfer baffle, and four baffles are fixed connection in proper order, the heat transfer baffle front side is equipped with the heat transfer apron. The utility model discloses an electric telescopic handle's function, drive heat transfer apron and four baffle contacts, make and form a confined space between the two, and carried out the compression extrusion to coal gas, also simultaneously advance conveyer pipe and flue gas into the transport chamber between the pipe and show out, make the front side that the heat transfer apron can be carried to the high temperature flue gas and heat, can preheat coal gas simultaneously through the heat transfer baffle and the heat transfer apron of heating, it is better to make the higher heating effect of its temperature, be convenient for adjust gas temperature as required.
Description
Technical Field
The utility model relates to a heat exchange technology field, concretely relates to runner variable coal gas plate preheater.
Background
The gas preheater is a device for preheating gas to a certain temperature before entering a boiler, and uses internal radiating fins to absorb heat of flue gas in a flue at the tail of the boiler and then conduct the heat to the gas, so that the heat exchange performance of the whole boiler can be improved, and the energy consumption is reduced.
The plate preheater in the current market generally comprises a shell and a heat exchange device in the shell, wherein the top of the shell is provided with a flue gas inlet, the bottom of the shell is provided with an exhaust outlet, the upper part of one side surface of the shell is provided with an air inlet, and the lower part of the other side surface of the shell is provided with an air outlet; the heat exchanger is formed by welding a plurality of plate sheets, and the space is divided into an air flow channel and a smoke flow channel by utilizing the plurality of plate sheets.
The prior art has the following defects: when the preheating gas with higher temperature and more uniform heating is needed, the temperature of the gas in the flow channel cannot be adjusted according to the requirement.
SUMMERY OF THE UTILITY MODEL
For this, the utility model provides a runner variable coal gas plate preheater, function through electric telescopic handle, drive heat transfer apron and four baffle contacts, make and form a confined space between the two, and compressed the extrusion to coal gas, also simultaneously advance the conveyer pipe and flue gas into the transport chamber between the pipe and show out, make the front side that high temperature flue gas can carry the heat transfer apron heat, can preheat coal gas simultaneously through the heat transfer baffle and the heat transfer apron of heating, it is better to make the higher heating effect of its temperature, be convenient for adjust gas temperature as required.
In order to achieve the above object, the present invention provides the following technical solutions: a gas plate preheater with a variable flow passage comprises a box body, wherein a heat exchange partition plate is arranged in the box body and fixedly connected with the inner wall of the box body, four baffle plates are fixedly arranged on the front side surface of the heat exchange partition plate and sequentially distributed around the heat exchange partition plate, the four baffle plates are sequentially and fixedly connected, a heat exchange cover plate is arranged on the front side of the heat exchange partition plate, an electric telescopic rod is fixedly arranged on the front side of the heat exchange cover plate and fixedly connected with the inner wall of the box body, a first pipe orifice, a second pipe orifice and a third pipe orifice are respectively arranged on the front side surface of the heat exchange cover plate, the first pipe orifice and the second pipe orifice are arranged on the top of the front side surface of the heat exchange cover plate, the first pipe orifice and the second pipe orifice are symmetrically arranged about the longitudinal central axis of the heat exchange cover plate, the third pipe orifice is arranged on the bottom of the front side surface of the heat exchange cover plate, and the third pipe orifice is symmetrically arranged with the first pipe orifice about the transverse central axis of the heat exchange cover plate, the utility model discloses a gas heat exchanger, including first mouth of pipe and third mouth of pipe, the gas is advanced the pipe and is equipped with the gas respectively and advance pipe and gas exit tube inside the first mouth of pipe and the third mouth of pipe, the gas advances the pipe and is kept away from the one end of heat transfer apron and run through first mouth of pipe and box front side in proper order and extend to the box outside, the one end that the heat transfer apron was kept away from to the gas exit tube runs through third mouth of pipe and box front side in proper order and extends to the box outside, the inside flue gas that is equipped with of second mouth of pipe advances pipe and conveyer pipe, the space that the flue gas advanced between pipe and the conveyer pipe forms carries the chamber, the conveyer pipe is kept away from the orificial one end of second and is run through the box front side and extend to the box outside, the fixed intercommunication of box front side has first flue gas exit tube.
Furthermore, a plurality of heat exchange fins are fixedly arranged on the front side and the rear side of the heat exchange partition plate, and the heat exchange fins are distributed on the heat exchange partition plate in a linear array manner.
Furthermore, the heat exchange fins are wavy.
Furthermore, the four baffles are spliced and then set to be rectangular.
Furthermore, the gas inlet pipe, the gas outlet pipe and the flue gas inlet pipe are fixedly connected with the box body.
Furthermore, a flue gas cavity is arranged on the rear side of the heat exchange partition plate, and the flue gas inlet pipe is communicated with the flue gas cavity through a conveying cavity and a conveying pipe.
Furthermore, a second flue gas outlet pipe is fixedly communicated with the bottom of the rear side of the box body.
Furthermore, four corners of the bottom of the box body are fixedly provided with supporting seats.
Furthermore, the thickness of the heat exchange cover plate is larger than the gap between the heat exchange cover plate and the baffle.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses an electric telescopic handle's function, drive heat transfer apron and four baffle contacts, make and form a confined space between the two, and carried out the compression extrusion to coal gas, also simultaneously advance conveyer pipe and flue gas into the transport chamber between the pipe and show out, make the front side that the heat transfer apron can be carried to the high temperature flue gas and heat, can preheat coal gas simultaneously through the heat transfer baffle and the heat transfer apron of heating, it is better to make the higher heating effect of its temperature, be convenient for adjust gas temperature as required.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a front view of the overall structure provided by the present invention;
FIG. 2 is a sectional view of the overall structure provided by the present invention;
fig. 3 is a cross-sectional view of the overall structure provided by the present invention;
FIG. 4 is a front view of the heat exchange cover plate with an integral structure provided by the present invention;
FIG. 5 is a side cross-sectional view of the overall structure provided by the present invention;
in the figure: the gas heat exchanger comprises a box body 1, a heat exchange partition plate 2, a baffle plate 3, a heat exchange cover plate 4, an electric telescopic rod 5, a first pipe orifice 6, a second pipe orifice 7, a third pipe orifice 8, a gas inlet pipe 9, a gas outlet pipe 10, a flue gas inlet pipe 11, a conveying pipe 12, a conveying cavity 13, a first flue gas outlet pipe 14, heat exchange fins 15, a flue gas cavity 16 and a second flue gas outlet pipe 17.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to the attached drawings 1-5 of the specification, the flow channel variable gas plate preheater of the embodiment comprises a box body 1, a heat exchange partition plate 2 is arranged inside the box body 1, the heat exchange partition plate 2 is fixedly connected with the inner wall of the box body 1, four baffle plates 3 are fixedly arranged on the front side surface of the heat exchange partition plate 2, the four baffle plates 3 are sequentially distributed around the heat exchange partition plate 2, the four baffle plates 3 are sequentially and fixedly connected, a heat exchange cover plate 4 is arranged on the front side of the heat exchange partition plate 2, an electric telescopic rod 5 is fixedly arranged on the front side of the heat exchange cover plate 4, the electric telescopic rod 5 is fixedly connected with the inner wall of the box body 1, a first pipe orifice 6, a second pipe orifice 7 and a third pipe orifice 8 are respectively arranged on the front side surface of the heat exchange cover plate 4, the first pipe orifice 6 and the second pipe orifice 7 are arranged on the top of the front side surface of the heat exchange cover plate 4, and the first pipe orifice 6 and the second pipe orifice 7 are symmetrically arranged about the longitudinal central axis of the heat exchange cover plate 4, the third pipe orifice 8 is arranged at the bottom of the front side surface of the heat exchange cover plate 4, the third pipe orifice 8 is symmetrically arranged with the first pipe orifice 6 about the horizontal central axis of the heat exchange cover plate 4, the first pipe orifice 6 and the third pipe orifice 8 are respectively internally provided with a gas inlet pipe 9 and a gas outlet pipe 10, one end of the gas inlet pipe 9 far away from the heat exchange cover plate 4 sequentially penetrates through the first pipe orifice 6 and the front side of the box body 1 and extends to the outside of the box body 1, one end of the gas outlet pipe 10 far away from the heat exchange cover plate 4 sequentially penetrates through the third pipe orifice 8 and the front side of the box body 1 and extends to the outside of the box body 1, a flue gas inlet pipe 11 and a flue gas inlet pipe 12 are arranged inside the second pipe orifice 7, a conveying cavity 13 is formed in the space between the flue gas inlet pipe 11 and the conveying pipe 12, one end of the conveying pipe 12 far away from the second pipe orifice 7 penetrates through the front side of the heat exchange partition plate 2, the conveying pipe 12 is fixedly connected with the heat exchange partition plate 2, one end of the flue gas inlet pipe 11 far away from the second pipe orifice 7 penetrates through the front side of the box body 1 and extends to the outside of the box body 1, a first flue gas outlet pipe 14 is fixedly communicated with the front side of the box body 1.
Furthermore, a plurality of heat exchange fins 15 are fixedly arranged on the front side and the rear side of the heat exchange partition plate 2, and the plurality of heat exchange fins 15 are distributed on the heat exchange partition plate 2 in a linear array mode, so that coal gas is scattered and can be uniformly heated and subjected to heat exchange.
Furthermore, the heat exchange fins 15 are wavy, and the contact area between the heat exchange fins and the coal gas is increased.
Furthermore, the four baffle plates 3 are spliced and then arranged to be rectangular, so that the four baffle plates and the rectangular baffle plates can be combined to form a closed space.
Furthermore, the gas inlet pipe 9, the gas outlet pipe 10 and the flue gas inlet pipe 11 are fixedly connected with the box body 1, so that the stability of the gas inlet pipe 9, the gas outlet pipe 10 and the flue gas inlet pipe 11 is enhanced, and the heat exchange cover plate 4 is convenient to move.
Furthermore, a flue gas chamber 16 is arranged at the rear side of the heat exchange partition plate 2, and the flue gas inlet pipe 11 is communicated with the flue gas chamber 16 through a conveying cavity 13 and a conveying pipe 12, so that the conveying of high-temperature flue gas is facilitated.
Furthermore, a second flue gas outlet pipe 17 is fixedly communicated with the bottom of the rear side of the box body 1, so that high-temperature flue gas can be conveniently discharged.
Furthermore, four corners of the bottom of the box body 1 are fixedly provided with supporting seats, so that the overall stability of the equipment is enhanced.
Furthermore, the thickness of the heat exchange cover plate 4 is larger than the gap between the heat exchange cover plate 4 and the baffle plate 3, so that when the electric telescopic rod 5 moves the heat exchange cover plate 4, the gas inlet pipe 9 and the gas outlet pipe 10 are still sleeved in the first pipe orifice 6 and the third pipe orifice 8.
The implementation scenario is specifically as follows:
when the utility model is used, the operator starts the machine, then the temperature and the uniformity of the gas are adjusted as required, when the device works, the gas is conveyed into the box body 1 from the gas inlet pipe 9, the high-temperature flue gas is conveyed into the flue gas chamber 16 through the flue gas inlet pipe 11, the conveying cavity 13 and the conveying pipe 12, the high-temperature flue gas conveyed into the flue gas chamber 16 heats the heat exchange baffle plate 2 at high temperature, the high-temperature flue gas after heat release is discharged from the second flue gas outlet pipe 17, the heated heat exchange baffle plate 2 heats the gas conveyed into the front side of the heat exchange baffle plate 2, when the gas is conveyed into the subsequent device, the combustion effect is better, if the gas needs the preheating gas with higher temperature, when the gas is conveyed into the box body 1 through the gas inlet pipe 9, the electric telescopic rod 5 is started, the rod end of the electric telescopic rod 5 moves back like the rear side to drive the heat exchange cover plate 4, in the process of moving backwards, the heat exchange cover plate 4 is contacted with the four baffle plates 3 on the heat exchange partition plate 2, so that the heat exchange cover plate 4 and the four baffle plates 3 form a closed chamber, the conveyed gas is extruded and compressed, meanwhile, the backward movement of the heat exchange cover plate 4 enables the conveying cavity 13 between the conveying pipe 12 and the flue gas inlet pipe 11 to be exposed, meanwhile, the gas inlet pipe 9 and the gas outlet pipe 10 are still sleeved in the first pipe orifice 6 and the third pipe orifice 8 on the heat exchange cover plate 4, when the high-temperature flue gas is conveyed, the high-temperature flue gas can be conveyed into the flue gas chamber 16 through the conveying pipe 12 or directly conveyed into the front space of the heat exchange cover plate 4 through the flue gas inlet pipe 11, so that the high-temperature flue gas can preheat the gas by means of the heating of the heat exchange partition plate 2 and the heating of the heat exchange cover plate 4 at the same time, heat the internal gas and heat the internal gas, and simultaneously, the preheating effect of the internal gas is better, when coal gas after heating gets into in subsequent equipment, the combustion effect is better, and after using, electric telescopic handle 5 resets and drives heat transfer apron 4 and resets, advances the transport chamber 13 between pipe 11 with conveyer pipe 12 and flue gas and seals, makes high temperature flue gas can only carry in the flue gas cavity 16, and the inside space grow has also been made in the resetting of heat transfer apron 4 simultaneously, has also increased the transport volume of coal gas.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The utility model provides a runner variable gas plate preheater, includes box (1), its characterized in that: the heat exchange baffle plate (2) is arranged in the box body (1), the heat exchange baffle plate (2) is fixedly connected with the inner wall of the box body (1), four baffle plates (3) are fixedly arranged on the front side surface of the heat exchange baffle plate (2), the four baffle plates (3) are sequentially distributed around the heat exchange baffle plate (2), the four baffle plates (3) are sequentially and fixedly connected, a heat exchange cover plate (4) is arranged on the front side of the heat exchange baffle plate (2), an electric telescopic rod (5) is fixedly arranged on the front side of the heat exchange cover plate (4), the electric telescopic rod (5) is fixedly connected with the inner wall of the box body (1), a first pipe orifice (6), a second pipe orifice (7) and a third pipe orifice (8) are respectively arranged on the front side surface of the heat exchange cover plate (4), the first pipe orifice (6) and the second pipe orifice (7) are arranged on the top of the front side surface of the heat exchange cover plate (4), and the first pipe orifice (6) and the second pipe orifice (7) are symmetrically arranged about the longitudinal central axis of the heat exchange cover plate (4), the third pipe orifice (8) is arranged at the bottom of the front side surface of the heat exchange cover plate (4), the third pipe orifice (8) is symmetrically arranged with the first pipe orifice (6) about the transverse central axis of the heat exchange cover plate (4), the first pipe orifice (6) and the third pipe orifice (8) are respectively internally provided with a gas inlet pipe (9) and a gas outlet pipe (10), one end of the gas inlet pipe (9) far away from the heat exchange cover plate (4) sequentially penetrates through the first pipe orifice (6) and the front side of the box body (1) and extends to the outside of the box body (1), one end of the gas outlet pipe (10) far away from the heat exchange cover plate (4) sequentially penetrates through the third pipe orifice (8) and the front side of the box body (1) and extends to the outside of the box body (1), the second pipe orifice (7) is internally provided with a flue gas inlet pipe (11) and a conveying pipe (12), and a conveying cavity (13) is formed in the space between the flue gas inlet pipe (11) and the conveying pipe (12), the one end that second mouth of pipe (7) was kept away from in conveyer pipe (12) runs through heat transfer baffle (2), conveyer pipe (12) and heat transfer baffle (2) fixed connection, the flue gas advances pipe (11) and runs through box (1) front side and extend to box (1) outside, the fixed intercommunication of box (1) front side has first flue gas exit tube (14).
2. A variable flow path gas plate preheater as claimed in claim 1, wherein: a plurality of heat exchange fins (15) are fixedly arranged on the front side and the rear side of the heat exchange partition plate (2), and the plurality of heat exchange fins (15) are distributed on the heat exchange partition plate (2) in a linear array mode.
3. A variable flow path gas plate preheater as claimed in claim 2, wherein: the heat exchange fins (15) are wavy.
4. A variable flow path gas plate preheater as claimed in claim 1, wherein: the four baffles (3) are spliced and then set to be rectangular.
5. A variable flow path gas plate preheater as claimed in claim 1, wherein: the coal gas inlet pipe (9), the coal gas outlet pipe (10) and the flue gas inlet pipe (11) are fixedly connected with the box body (1).
6. A variable flow path gas plate preheater as claimed in claim 1, wherein: the rear side of the heat exchange partition plate (2) is provided with a flue gas chamber (16), and the flue gas inlet pipe (11) is communicated with the flue gas chamber (16) through a conveying cavity (13) and a conveying pipe (12).
7. A variable flow path gas plate preheater as claimed in claim 1, wherein: and a second flue gas outlet pipe (17) is fixedly communicated with the bottom of the rear side of the box body (1).
8. A variable flow path gas plate preheater as claimed in claim 1, wherein: supporting seats are fixedly arranged at four corners of the bottom of the box body (1).
9. A variable flow path gas plate preheater as claimed in claim 1, wherein: the thickness of the heat exchange cover plate (4) is larger than the gap between the heat exchange cover plate (4) and the baffle plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022355709.7U CN213748036U (en) | 2020-10-21 | 2020-10-21 | Flow passage variable type gas plate type preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022355709.7U CN213748036U (en) | 2020-10-21 | 2020-10-21 | Flow passage variable type gas plate type preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213748036U true CN213748036U (en) | 2021-07-20 |
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ID=76851742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022355709.7U Active CN213748036U (en) | 2020-10-21 | 2020-10-21 | Flow passage variable type gas plate type preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213748036U (en) |
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2020
- 2020-10-21 CN CN202022355709.7U patent/CN213748036U/en active Active
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