CN213089781U

CN213089781U - Steam generator

Info

Publication number: CN213089781U
Application number: CN202021709843.6U
Authority: CN
Inventors: 蔡永康; 蔡军
Original assignee: Linyi Taihe Environmental Protection And Energy Saving Technology Co ltd
Current assignee: Linyi Taihe Environmental Protection And Energy Saving Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-04-30
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a steam generator, which comprises a furnace body and a waste heat recovery dust removal device, wherein the furnace body comprises a combustion chamber arranged at the bottom in the furnace body and a first smoke return cavity and a second smoke return cavity in the furnace body, the bottom of the combustion chamber is provided with a furnace ash cavity, the top of the combustion chamber is sealed, the first smoke return cavity is wound around the furnace ash cavity, the second smoke return cavity is arranged at the top in the furnace body, the combustion chamber is communicated with the first smoke return cavity through a first flue, the second smoke return cavity is communicated with the first smoke return cavity through a second flue, the first flue and the second flue are alternately arranged in a water cavity at the periphery of the combustion chamber, a smoke outlet arranged at the top of the second smoke return cavity is communicated with the waste heat recovery dust removal device, the waste heat recovery dust removal device preheats cold water for flue gas treatment and then sends the cold water to the interior of the furnace body, thereby effectively improving the steam production efficiency, and the flue gas is discharged into the atmosphere after being treated by the waste heat recovery dust removal device, thereby conforming to the strategic concepts of environmental protection and sustainable development.

Description

Steam generator

Technical Field

The utility model relates to a steam generator belongs to the boiler heating field.

Background

The steam is widely applied in the life and industrial production of people at present, areas without centralized gas supply of large-scale thermal power plants are often required to be independently manufactured to generate steam, the existing steam boilers are various, however, the existing steam boilers generally adopt direct exhaust of flue gas or single flue gas in the boiler to be circularly heated, the heat efficiency is relatively low, flue gas treatment equipment is additionally arranged for flue gas treatment, the matching degree of the additionally arranged flue gas treatment equipment and a steam boiler used by the additionally arranged flue gas treatment equipment is not ideal, and the waste heat in the flue gas is not sufficiently recycled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects in the prior art and providing a steam generator.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: the utility model provides a steam generator, includes furnace body and waste heat recovery dust collector, the furnace body is including setting up first time smoke cavity and the second time smoke cavity in the combustion chamber of the internal bottom of furnace and the furnace body, the combustion chamber bottom is equipped with the ashes chamber, the combustion chamber top is sealed, and first time smoke cavity is around the ashes chamber, the second time smoke cavity sets up the top in the furnace body, just the combustion chamber passes through first flue and first time smoke cavity intercommunication, the second time smoke cavity passes through second flue and first time smoke cavity UNICOM, just first flue sets up in the water cavity of combustion chamber border with the second flue in turn, sets up smoke vent and waste heat recovery dust collector intercommunication at second time smoke cavity top.

Further conduct the preferred scheme of the utility model, waste heat recovery dust collector includes dust removal water tank, first waste heat recovery jar and second waste heat recovery jar, dust removal water tank one side opening, opposite side top are sealed and are kept apart through fixing the first half of fixing at the decurrent baffle in top and water tank opposite side, wherein the bottom of first waste heat recovery jar all sets up with inside the dust removal water tank with the bottom of second waste heat recovery jar, and the bottom relative position of first waste heat recovery jar will be less than the relative position of the bottom of second waste heat recovery jar.

Further conduct the preferred scheme of the utility model, be equipped with water and the surface of water in the dust removal water tank and submerge the bottom of baffle to guarantee that waste gas gets into further heat recovery in the second waste heat recovery jar after the water removes dust, the water level height will be higher than first waste heat recovery tank bottom, be less than the bottom of second waste heat recovery jar.

Further conduct the preferred scheme of the utility model, second waste heat recovery tank deck portion is equipped with the cold water inlet, and the lower part of second waste heat recovery tank passes through water pipe UNICOM with the top of first waste heat recovery tank, the bottom of first waste heat recovery tank leads to the water pipe intercommunication with the water cavity of furnace body to guarantee that cold water progressively retrieves the used heat and flows into the water cavity in the furnace body again through second waste heat recovery tank.

Further conduct the preferred scheme of the utility model, the furnace body top is provided with steam outlet and manometer, bottom and is provided with drain and deashing mouth, be provided with the fluviograph on the furnace body lateral wall.

The utility model has the advantages that: the cold water is preheated by the waste heat recovery dust removal device and then is sent to the interior of the furnace body, the steam manufacturing efficiency of the furnace body is effectively improved, and the flue gas treated by the waste heat recovery dust removal device is discharged into the atmosphere after heat recovery, so that the strategic concepts of environmental protection and sustainable development are met.

Drawings

Fig. 1 is a schematic structural diagram of the overall diagram of the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to fig. 1, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," if used, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model provides a steam generator, includes furnace body and waste heat recovery dust collector, the furnace body is including setting up combustion chamber 1 and the first time smoke chamber 2 and the second time smoke chamber 3 in the furnace body of bottom in the furnace body, 1 bottom in combustion chamber is equipped with ashes chamber 4, a serial communication port, 1 top in combustion chamber is sealed, and first time smoke chamber 2 is around setting up around ashes chamber 4, the second time smoke chamber 3 sets up the top in the furnace body, just combustion chamber 1 is through first flue 5 and first time smoke chamber 2 intercommunication, second time smoke chamber 3 is through second flue 6 and first time smoke chamber 2 intercommunication, just first flue 5 sets up in the water cavity of 1 border of combustion chamber with second flue 6 in turn, sets up exhaust port and the waste heat recovery dust collector intercommunication at second time smoke chamber 3 top.

Further as the preferred scheme of the utility model, waste heat recovery dust collector includes dust removal water tank 7, first waste heat recovery jar 8 and second waste heat recovery jar 9, the opposite side at one side opening at dust removal water tank top, top is sealed and is kept apart through fixing first half at the decurrent baffle 10 in top and dust removal water tank 7 opposite side, wherein the bottom of first waste heat recovery jar 8 and the bottom of second waste heat recovery jar 9 all set up inside top confined dust removal water tank 7, and the bottom relative position of first waste heat recovery jar 8 will be less than the relative position of the bottom of second waste heat recovery jar 9.

Further conduct the preferred scheme of the utility model, be equipped with water and the bottom that the water level crossed baffle 10 in the dust removal water tank 7 to guarantee that waste gas further heat recovery in getting into second waste heat recovery jar 9 after the water removes dust, the water level height will be higher than first waste heat recovery jar 8 bottom, be less than the bottom of second waste heat recovery jar 9.

Further as the preferred scheme of the utility model, 9 tops of second waste heat recovery jar are equipped with the cold water inlet, and second waste heat recovery jar 9 leads to pipe intercommunication with first waste heat recovery jar 8, first waste heat recovery jar 8 leads to pipe intercommunication with the water cavity of furnace body to guarantee that cold water progressively retrieves the used heat and flows into the water cavity in the furnace body again through second waste heat recovery jar 9.

The limiting principle is as follows: cold water flows into the first waste heat recovery tank 8 through the second waste heat recovery tank 9 and then enters a water cavity in the furnace body (in the heating process, the flow process of the water-supplemented cold water sequentially passes through waste heat recovery and utilization, the heating temperature is gradually increased, the temperature of the water entering the furnace body is effectively ensured, the steam generation efficiency of the furnace body is improved), water injection of the furnace body is completed, the furnace body is heated by ignition, high-temperature smoke in the combustion chamber 1 flows downwards along the first flue 5 under the action of an external air blower and enters the first smoke return cavity 2, the high-temperature smoke flows upwards through the second flue 6 and enters the second smoke return cavity 3, the high-temperature smoke sequentially enters the bottom of the first waste heat recovery tank 8 of the waste heat recovery and dust removal device and the second waste heat recovery tank 9 through a smoke outlet at the top of the second smoke return cavity 3 to complete dust removal and waste heat recovery and.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A steam generator comprises a furnace body and a waste heat recovery dust removal device, wherein the furnace body comprises a combustion chamber (1) arranged at the bottom in the furnace body, a first smoke return cavity (2) and a second smoke return cavity (3) in the furnace body, a furnace ash cavity (4) is arranged at the bottom of the combustion chamber (1), it is characterized in that the top of the combustion chamber (1) is closed, the first smoke returning cavity (2) is arranged around the furnace ash cavity (4), the second smoke returning cavity (3) is arranged at the top in the furnace body, and the combustion chamber (1) is communicated with the first smoke returning cavity (2) through a first flue (5), the second smoke returning cavity (3) is communicated with the first smoke returning cavity (2) through a second flue (6), and the first flue (5) and the second flue (6) are alternately arranged in a water cavity on the periphery of the combustion chamber (1), and a smoke outlet arranged at the top of the second smoke returning cavity (3) is communicated with the waste heat recovery dust removal device.

2. The steam generator according to claim 1, wherein the waste heat recovery dust removing device comprises a dust removing water tank (7), a first waste heat recovery tank (8) and a second waste heat recovery tank (9), the dust removing water tank is open at one side of the top, the other side of the top is closed, and the dust removing water tank is isolated from the upper half part of the other side of the dust removing water tank (7) by a baffle plate (10) fixed downwards from the top, wherein the bottom of the first waste heat recovery tank (8) and the bottom of the second waste heat recovery tank (9) are both arranged inside the dust removing water tank (7) closed from the top, and the relative position of the bottom of the first waste heat recovery tank (8) is lower than that of the bottom of the second waste heat recovery tank (9).

3. A steam generator according to claim 2, wherein the de-dusting water tank (7) is filled with water and has a water level over the bottom of the baffle (10) to ensure that the waste gas is de-dusted by the water and then enters the second waste heat recovery tank (9) for further heat recovery, and the water level is higher than the bottom of the first waste heat recovery tank (8) and lower than the bottom of the second waste heat recovery tank (9).

4. A steam generator according to claim 2, characterized in that the second waste heat recovery tank (9) is provided with a cold water inlet at the top, the second waste heat recovery tank (9) is in water-pipe communication with the first waste heat recovery tank (8), and the first waste heat recovery tank (8) is in water-pipe communication with the water chamber of the furnace body, so as to ensure that the cold water gradually recovers waste heat and flows into the first waste heat recovery tank (8) through the second waste heat recovery tank (9) and then enters the water chamber in the furnace body.