CN211290119U - Smoke purifier for domestic coal stove - Google Patents

Abstract

The utility model discloses a smoke purifying device for a household coal stove, which comprises a shell, wherein the lower side of the shell is fixedly connected with a first flange plate through bolts, the upper part of the first flange plate is fixedly connected with a fixed column through a bolt, the upper end of the fixed column is fixedly connected with a supporting plate through a bolt, the upper side of the supporting plate is fixedly connected with a heat preservation box body, a heating cavity is arranged in the heat preservation box body, a cushion block is arranged at the bottom side in the heating cavity, an annular gasket is arranged at the upper side of the cushion block, an electric heating ring is arranged on the upper side of the annular gasket, a soot filter screen is arranged in the electric heating ring, the middle part of the first flange plate is connected with an air inlet pipeline through a bolt, the upper side of the air inlet pipeline is communicated with a guide pipe in a penetrating way, the upper side of the guide pipe is communicated with the heating cavity in a penetrating way through a supporting plate, and the upper side of the shell is fixedly connected with a second flange plate through bolts. The utility model has reasonable structure and can effectively purify the smoke of the household coal stove.

Description

Smoke purifier for domestic coal stove

Technical Field

The utility model relates to a purifier field specifically is a domestic coal stove flue gas purification device

Background

Technical research shows that in the regions of Mongolia and northern China, the haze in winter belongs to multiple seasons, and the pollution degree and the haze days are far higher than those in spring and autumn. Among the many causes of increased days of haze in winter, coal burning is an important factor.

For large-scale equipment such as coal-fired boilers and the like, flue gas purification can be generally carried out due to the requirements of national emission standards. However, the coal-fired furnaces used for heating and cooking by residents are difficult to process on a large scale due to wide distribution range, irregular service time and the like, so that corresponding purification equipment convenient for replacing and cleaning parts is rarely provided, particularly, equipment for secondarily combusting soot to reduce soot particles is lacked, the generated smoke is directly discharged into the atmosphere, the environment is polluted, and the haze degree is aggravated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic coal stove gas cleaning device, it adopts electrical heating circle heating technology, can make the inside metal mesh of clarifier reach required high temperature, carries out abundant burning to the particulate matter through the metal mesh, reduces the soot particulate matter content, and equipment is convenient for change or washs inside each spare part, especially convenient change and the washing to the soot filter screen to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a household coal stove flue gas purification device comprises a shell, wherein a first flange plate is fixedly connected to the lower side of the shell through bolts, a fixing column is fixedly connected to the upper portion of the first flange plate through bolts, a supporting plate is fixedly connected to the upper end of the fixing column through bolts, a heat insulation box body is fixedly connected to the upper side of the supporting plate through bolts, a heating cavity is arranged inside the heat insulation box body, a cushion block is arranged on the bottom side inside the heating cavity, an annular gasket is arranged on the upper side of the cushion block, an electric heating ring is arranged on the upper side of the annular gasket, a soot filter screen is arranged inside the electric heating ring, an air inlet pipeline is connected to the middle portion of the first flange plate in a penetrating mode through bolts, a guide pipe is communicated with the upper side of the air inlet, the middle part of the second flange plate is connected with a gas outlet pipeline through a bolt in a penetrating way, the lower side of the gas outlet pipeline is communicated with the heating cavity, the lower side of the gas outlet pipeline is attached to the upper side of the electric heating ring, annular fixing plates are fixedly welded on the two sides of the outer surface of the gas outlet pipeline, and the lower surfaces of the annular fixing plates are closely attached to the upper part of the heat preservation box body.

Preferably, the number of the guide pipes is not less than four, and the inner surface and the outer surface of each guide pipe are covered with heat-preservation and heat-insulation ceramic layers.

Preferably, a thermocouple thermometer is fixedly inserted into the surface of the shell, and the probe end of the thermocouple thermometer penetrates through the shell, the heat preservation box body and the cushion block in sequence and is arranged in the heating cavity.

Preferably, both sides of the outer edge of the annular fixing plate are provided with downward bent edges, and the inner surfaces of the bent edges are attached to the outer surface of the upper side of the heat preservation box body.

Preferably, the inner surface of the heat insulation box is covered with a heat insulation ceramic layer, and the thickness of the heat insulation ceramic layer is larger than 10 mm.

Preferably, the number of the fixing columns is not less than four.

Compared with the prior art, the beneficial effects of the utility model are that:

1. by adopting an electric heating ring heating technology, the metal mesh in the purifier can reach the required high temperature by using the electric heating ring, the soot passes through the air inlet pipeline and the guide pipe in sequence and enters the heating cavity, and then the metal mesh fully combusts the passing soot particles, so that the content of the particles in the soot is reduced, and the content of pollutants in the smoke of the household coal stove is effectively reduced;

2. the second flange plate, the air outlet pipeline and the annular fixing plate form an integrated structure, and the second flange plate, the air outlet pipeline and the annular fixing plate can be integrally disassembled by disassembling the second flange plate and the fixing bolt of the shell, so that each part inside is convenient to replace or clean, and particularly, the soot filter screen is convenient to replace and clean.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. a housing; 2. a first flange plate; 3. fixing a column; 4. a support plate; 5. a heat preservation box body; 6. heating the cavity; 7. cushion blocks; 8. an annular gasket; 9. an electric heating coil; 10. a soot screen; 11. an air intake duct; 12. a conduit; 13. a second flange plate; 14. an air outlet pipe; 15. an annular fixed plate; 16. a thermocouple thermometer.

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. 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 fig. 1-3, the present invention provides a technical solution: a household coal stove flue gas purification device comprises a shell, a first flange plate 2 is fixedly connected to the lower side of the shell 1 through bolts, a fixed column 3 is fixedly connected to the upper portion of the first flange plate 2 through bolts, a supporting plate 4 is fixedly connected to the upper end of the fixed column 3 through bolts, a heat preservation box body 5 is fixedly connected to the upper side of the supporting plate 4 through bolts, a heating cavity 6 is arranged inside the heat preservation box body 5, a cushion block 7 is arranged on the bottom side inside the heating cavity 6, an annular gasket 8 is arranged on the upper side of the cushion block 7, an electric heating ring 9 is arranged on the upper side of the annular gasket 8, a soot filter screen 10 is arranged inside the electric heating ring 9, the main function of the electric heating ring 9 is to heat the soot filter screen 10, an air inlet pipeline 11 is penetratingly connected to the middle portion of the first flange plate 2 through bolts, a guide pipe 12 is, get into heating cavity 6 through pipe 12 and purify, 1 upside of shell is through bolt fixedly connected with second ring flange 13, there is air outlet pipe 14 at second ring flange 13 middle part through bolt through connection, 14 downside of air outlet pipe communicates in heating cavity 6, and air outlet pipe 14 downside hugs closely the upside of ring heater 9, can fix ring heater 9, 14 outer fixed welding in surface both sides of air outlet pipe has annular fixed plate 15, 5 upper portions of insulation can are hugged closely to annular fixed plate 15 lower surface, can carry out the rigidity to insulation can 5, therefore, second ring flange 13, air outlet pipe 14 and annular fixed plate 15 form the integral type structure, convenient dismantlement, be convenient for change or wash spare part, especially the washing to coal smoke filter screen 10.

Specifically, the number of the guide pipes 12 is not less than four, and the guide pipes 12 are all covered with heat-insulating ceramic layers, specifically, alumina ceramics, so that the high temperature resistance of the guide pipes 12 can be enhanced, and the service life can be prolonged.

Specifically, a thermocouple thermometer 16 is fixedly inserted into the surface of the shell 1, the probe end of the thermocouple thermometer 16 sequentially penetrates through the shell 1, the heat preservation box body 5 and the cushion block 7 and is arranged in the heating cavity 6, and the thermocouple thermometer 16 can observe the temperature in the heating cavity 6.

Specifically, both sides of the outer edge of the annular fixing plate 15 are provided with downward bent edges, and the inner surfaces of the bent edges are attached to the outer surface of the upper side of the heat preservation box body 5, so that the heat preservation box body 5 is more favorably fixed.

Specifically, the internal surface of insulation box 5 coats and is stamped heat preservation thermal-insulated ceramic layer, specifically is alumina ceramics, and heat preservation thermal-insulated ceramic layer thickness is greater than 10mm, and heat preservation thermal-insulated ceramic layer both can strengthen its high temperature resistance, improves life, can strengthen insulation box 5's heat preservation effect again, indirectly reduces power consumption.

Specifically, the fixed columns 3 are not less than four groups, and play a role in fixing the heat preservation box body 5.

The working principle is as follows: when the device is used, firstly, the power supply supplies power to the electric heating ring 9, so that the electric heating ring 9 continuously heats the soot filter screen 10 inside, then, the smoke of the coal stove to be purified enters the heating cavity 6 through the air inlet pipeline 11 and the guide pipe 12, then, the smoke filter screen 10 is used for high-temperature combustion, impurities which are not fully combusted, such as low-valence oxides like CO, are further combusted, and finally, the purified smoke of the coal stove is discharged through the air outlet pipeline 14.

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 (6)

1. A household coal stove flue gas purification device comprises a shell (1), and is characterized in that: the device is characterized in that a first flange plate (2) is fixedly connected to the lower side of the shell (1) through bolts, a fixing column (3) is fixedly connected to the upper portion of the first flange plate (2) through bolts, a supporting plate (4) is fixedly connected to the upper end of the fixing column (3) through bolts, a heat preservation box body (5) is fixedly connected to the upper side of the supporting plate (4) through screws, a heating cavity (6) is arranged inside the heat preservation box body (5), a cushion block (7) is arranged on the bottom side inside the heating cavity (6), an annular gasket (8) is arranged on the upper side of the cushion block (7), an electric heating ring (9) is arranged on the upper side of the annular gasket (8), a soot filter screen (10) is arranged inside the electric heating ring (9), an air inlet pipeline (11) is penetratingly connected to the middle portion of, pipe (12) upside runs through backup pad (4) and communicates in heating cavity (6), shell (1) upside passes through bolt fixedly connected with second ring flange (13), second ring flange (13) middle part has pipeline (14) of giving vent to anger through bolt through connection, pipeline (14) downside of giving vent to anger communicates in heating cavity (6), just electric heat ring (9) upside is hugged closely to pipeline (14) downside of giving vent to anger, pipeline (14) surface both sides fixed welding of giving vent to anger has annular fixed plate (15), insulation box (5) upper portion is hugged closely to annular fixed plate (15) lower surface.

2. A flue gas cleaning device for household coal stove according to claim 1, characterized in that: the number of the guide pipes (12) is not less than four, and the inner surface and the outer surface of each guide pipe (12) are covered with heat-preservation and heat-insulation ceramic layers.

3. A flue gas cleaning device for household coal stove according to claim 1, characterized in that: a thermocouple thermometer (16) is fixedly inserted into the surface of the shell (1), and the probe end of the thermocouple thermometer (16) sequentially penetrates through the shell (1), the heat preservation box body (5) and the cushion block (7) and is arranged in the heating cavity (6).

4. A flue gas cleaning device for household coal stove according to claim 1, characterized in that: and both sides of the outer edge of the annular fixing plate (15) are provided with downward bent edges, and the inner surfaces of the bent edges are tightly attached to the outer surface of the upper side of the heat preservation box body (5).

5. A flue gas cleaning device for household coal stove according to claim 1, characterized in that: the internal surface of insulation box (5) coats and is stamped heat preservation thermal-insulated ceramic layer, and heat preservation thermal-insulated ceramic layer thickness is greater than 10 mm.

6. A flue gas cleaning device for household coal stove according to claim 1, characterized in that: the number of the fixed columns (3) is not less than four.

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