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CN-224215304-U - High-efficiency gas steam generator

CN224215304UCN 224215304 UCN224215304 UCN 224215304UCN-224215304-U

Abstract

The utility model discloses a high-efficiency gas-steam generator, which comprises a boiler body, wherein a heat exchange cavity is arranged in the boiler body, a steam outlet and a smoke outlet are led out of the boiler body, a burner is arranged at the top or bottom of the boiler body, and gas enters the heat exchange cavity from the upper side or from the lower side for burning and heat exchange. The steam generator provided by the utility model is beneficial to optimizing the flow path of the smoke generated after combustion in the steam generator, namely, two returns are adopted, so that the smoke exchanges heat with a heating surface in the steam generator for multiple times, the heat loss is reduced, and the heat exchange efficiency is improved.

Inventors

  • JIANG JINGPEI
  • PANG BIN
  • BAO GUOLIAN
  • WANG PENG
  • JIANG YANCHANG

Assignees

  • 营口成润生物质新能源科技有限公司

Dates

Publication Date
20260508
Application Date
20250421
Priority Date
20250224

Claims (7)

  1. 1. A high-efficiency gas-steam generator comprises a boiler body (1), wherein a heat exchange cavity is arranged in the boiler body (1), and a steam outlet and a smoke outlet are led out of the boiler body (1), and the high-efficiency gas-steam generator is characterized in that a burner (2) is arranged at the top or bottom of the boiler body (1), and gas enters the heat exchange cavity from the upper side or from the lower side for burning and heat exchange.
  2. 2. The efficient gas-steam generator as claimed in claim 1, wherein in the boiler body (1), a closed steam-water space (12) is formed between the outer cylinder (1-2) and the inner cylinder (1-3), an inner cavity of the inner cylinder (1-3) is used as a first heat exchange cavity, flue gas generated by gas combustion is subjected to heat exchange with steam-water space (12) between the outer cylinder (1-2) and the inner cylinder (1-3) when passing through the first heat exchange cavity, fin pipes (13) are perforated and welded on the upper side and the lower side of the outer cylinder (1-2), the fin pipes (13) are vertically arranged, the upper ends and the lower ends of the fin pipes are respectively communicated with the steam-water space (12), a smoke blocking shell (5) is covered on the outer side of the fin pipes (13), the inner cavity of the smoke blocking shell (5) is used as a second heat exchange cavity, flue gas generated by gas combustion is continuously subjected to heat exchange with water in the fin pipes (13) when passing through the second heat exchange cavity, the first heat exchange cavity and the second heat exchange cavity are communicated with the steam-water space (12) when passing through the second heat exchange cavity, and the steam-water space (12) is communicated with the steam-water outlet.
  3. 3. A high-efficiency gas steam generator as claimed in claim 2, wherein a plurality of fin tubes (13) are annularly arranged outside the outer cylinder body (1-2).
  4. 4. The efficient gas steam generator as claimed in claim 2, wherein the plurality of the smoke outlet pipes (1-5) are annularly arranged.
  5. 5. The efficient gas steam generator as claimed in claim 2, wherein a plurality of round steels (1-4) are vertically arranged in the soda space (12) and annularly distributed around the soda space (12).
  6. 6. The efficient gas steam generator as claimed in claim 1, wherein the smoke outlet is connected with an atmospheric economizer (4).
  7. 7. The efficient gas steam generator as claimed in claim 1, wherein the boiler body (1) is placed in a shell (10), and an insulating layer (9) is attached to the inner wall of the shell (10).

Description

High-efficiency gas steam generator Technical Field The utility model relates to a steam generator, in particular to a high-efficiency gas steam generator. Background The existing gas steam generator generally faces the problems of low heat exchange efficiency, low space utilization rate, large potential safety hazard and the like. The steam generator in the traditional design generally has the problems of uneven heat exchange, unreasonable arrangement of heating surfaces, large heat loss and the like, and the gas accumulation risk is high. Thus, there is an urgent need for an innovative gas steam generator design to solve the above-mentioned problems. Disclosure of utility model The utility model aims to provide a high-efficiency gas steam generator, which realizes high-efficiency operation and full energy utilization of the steam generator by optimizing a heat exchange path. In order to achieve the above purpose, the present utility model provides the following technical solutions: The utility model provides a high-efficient gas steam generator, includes the boiler body, has heat exchange cavity in the inside of boiler body, draws steam outlet and exhaust port from the boiler body, installs the combustor at the top or bottom of boiler body, and the gas gets into the heat exchange cavity in the mode of getting into from the top or the mode of getting into from the below and burns and heat exchange. In the boiler body, a closed steam-water space is formed between an outer cylinder body and an inner cylinder body, an inner cavity of the inner cylinder body is used as a first heat exchange cavity, flue gas generated by gas combustion is subjected to heat exchange with the steam-water space between the outer cylinder body and the inner cylinder body when passing through the first heat exchange cavity, fin pipes are vertically arranged on the upper side and the lower side of the outer cylinder body and welded, the upper end and the lower end of each fin pipe are communicated with the steam-water space, a flue gas blocking shell is covered on the outer side of each fin pipe, the inner cavity of the flue gas blocking shell is used as a second heat exchange cavity, flue gas generated by gas combustion is continuously subjected to heat exchange with water in the fin pipes when passing through the second heat exchange cavity, the first heat exchange cavity is communicated with the second heat exchange cavity through a smoke outlet pipe arranged, the second heat exchange cavity is communicated with a smoke outlet, and the steam-water space (12) is communicated with a steam outlet. Preferably, a plurality of fin tubes are annularly arranged outside the outer cylinder body. Preferably, the number of the smoke outlet pipes is a plurality of the smoke outlet pipes which are arranged in a ring shape. Preferably, in the soda space, a plurality of round steels are vertically arranged and annularly distributed around the soda space. Preferably, the smoke outlet is connected with an atmospheric economizer. Preferably, the boiler body is placed in the shell, and the heat preservation layer is attached to the inner wall of the shell. Compared with the prior art, the utility model has the beneficial effects that: 1. The steam generator provided by the utility model realizes the optimization of the flow path of the flue gas generated after combustion in the steam generator, namely, the two returns are adopted, so that the flue gas exchanges heat with a heating surface for a plurality of times in the steam generator, the heat loss is reduced, and the heat exchange efficiency is improved; 2. The steam generator provided by the utility model has the advantages that the structural design is more compact, the utilization rate of a heating surface is high, the utilization of an internal space is optimized, the thermal efficiency of the whole equipment is improved, and the manufacturing cost is reduced; 3. According to the steam generator provided by the utility model, when the mode that the fuel gas enters from the upper part is adopted, the accumulation of the fuel gas at the bottom or the low-lying position of the steam generator can be reduced, the potential safety hazard is reduced, the uniformity of fuel gas distribution is ensured, and the heat exchange effect is further improved. Drawings The utility model is further illustrated by the following examples in conjunction with the accompanying drawings: FIG. 1 is a schematic diagram (front view) of a first embodiment of the present utility model; FIG. 2 is a side view I of a first embodiment of the present utility model; FIG. 3 is a second side view of the first embodiment of the present utility model; FIG. 4 is a top view of a first embodiment of the present utility model; FIG. 5 is a second top view of the first embodiment of the present utility model; FIG. 6 is a schematic view (front view) of a boiler body according to an embodiment of the present utility model; FIG. 7 is a sid