CN211345374U - Negative pressure boiler dust recycling device - Google Patents

Abstract

The utility model discloses a negative pressure boiler dust recycle device, including admission line, flange, runner pipe, expansion hose, heat exchanger, heat-proof box, water pipe head, heat exchange tube, setting tank, cartridge filter, case lid, box, adsorption carbon, pipeline and the aspiration pump of giving vent to anger. The utility model has the advantages that: the cartridge filter embeds has double-deck filter screen, can filter the large granule debris that contain in the flue gas in entering the runner pipe, and then make the flue gas that enters into the setting tank only contain the dust of tiny granule, the case lid is detachable connection with the top of card form of putting and box, better sealed effect has, prevent that the flue gas from spilling over from the junction, also be convenient for simultaneously open, change with the realization to adsorbing the charcoal, the heat exchange tube is spiral loop configuration, increase heat exchange tube and runner pipe's area of contact, and then make the cold water that enters into in the heat exchange tube carry out behind the primary heating rethread boiler, the realization is to the reutilization of dust.

Description

Negative pressure boiler dust recycling device

Technical Field

The utility model relates to a dust recovery device specifically is a negative pressure boiler dust recycle device, belongs to boiler dust clearance technical field.

Background

The negative pressure combustion boiler refers to a boiler in which the pressure of flue gas in a combustion chamber and a flue of the boiler is lower than atmospheric pressure during operation, and the boiler generates much dust during combustion, so that the dust needs to be recovered in order to avoid directly discharging the combustion dust into the atmosphere.

For the existing dust recovery device, firstly, dust is often directly collected through a dust collection bag, so that a new dust collection belt needs to be frequently replaced, and time and labor are wasted; secondly, when dust is collected, the dust gas is not filtered, so that the recovered dust contains some large-particle impurities and the like, which is inconvenient to treat; thirdly, the dust gas containing heat can not be reused, which causes great energy waste.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a negative pressure boiler dust recycle device for solving the above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a negative pressure boiler dust recycling device comprises an air inlet pipeline, a connecting flange, a circulating pipeline, a flexible hose, a heat exchanger, a heat insulation box, a water pipe joint, a heat exchange pipe, a settling box, a filter cartridge, a box cover, a box body, adsorption carbon, an air outlet pipeline and an air pump; one end of the air inlet pipeline is fixedly provided with a connecting flange, the other end of the air inlet pipeline is connected with the circulating pipeline through a telescopic hose, a heat exchanger is sleeved on a pipe body of the circulating pipeline and consists of a heat insulation box, water pipe connectors and heat exchange pipes, the heat insulation box is wrapped on the outer side of the circulating pipeline, heat exchange pipes are arranged in the heat insulation box and are sleeved on the pipe body of the circulating pipeline positioned on the inner side of the heat insulation box, the two ends of each heat exchange pipe are respectively connected with the water pipe connectors, the water pipe connectors are respectively arranged on the upper side and the lower side of the heat insulation box, filter cartridges are further arranged on the pipe body of the circulating pipeline, the settling box consists of a box cover and a box body, the box cover is arranged above the box body, adsorptive carbon is arranged inside the box body, and the other end of the circulating, an air outlet pipeline is installed on the side wall of the other side of the settling tank, an air pump is installed on the air outlet pipeline, and the air pump is electrically connected with an external power supply.

Preferably, in order to facilitate adjusting the installation position of the air inlet pipeline and the negative pressure boiler, the air inlet pipeline is connected with the circulating pipeline in an adjustable stretching mode through a flexible hose.

Preferably, in order to facilitate the installation or the disassembly, the filter cartridge is detachably connected with the flow pipeline.

Preferably, in order to make the flue gas entering the settling tank only contain small particles of dust, a double-layer filter screen is arranged in the filter cylinder.

Preferably, in order to prevent that the flue gas from overflowing from the junction, also be convenient for realize changing the adsorption carbon simultaneously, the case lid is detachable the connection with the top of box with the card put the form.

Preferably, in order to primarily heat the cold water entering the heat exchange tube and then enter the boiler, the secondary utilization of dust is realized, and the heat exchange tube is of a spiral annular structure.

The utility model has the advantages that: the dust recycling device of the negative pressure boiler has reasonable design, the air inlet pipeline is connected with the circulating pipeline in an adjustable stretching way through the telescopic hose, the mounting positions of the air inlet pipeline and the negative pressure boiler can be conveniently adjusted, and further the installation and construction of constructors are convenient, the filter cartridge is detachably connected with the circulating pipeline and is convenient to install or disassemble, so that the constructors can conveniently and regularly replace, a double-layer filter screen is arranged in the filter cartridge, large-particle sundries contained in smoke entering the circulating pipeline can be filtered, and further the smoke entering the settling tank only contains small-particle dust, the tank cover is detachably connected with the top end of the tank body in a clamping way, the dust recycling device has better sealing effect, the smoke is prevented from overflowing from the joint and is also convenient to open, so as to realize the replacement of the adsorption carbon, the heat exchange tube is of a spiral annular structure, and the contact area of, and then the cold water entering the heat exchange tube is primarily heated and then enters the boiler, so that secondary utilization of dust is realized.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the heat exchanger according to the present invention;

fig. 3 is the schematic view of the sectional structure of the settling tank of the present invention.

In the figure: 1. air inlet pipe 2, flange 3, circulation pipeline 4, flexible hose 5, heat exchanger 6, heat insulation box 7, water pipe joint 8, heat exchange tube 9, settling box 10, cartridge filter 11, case lid 12, case body 13, adsorption carbon 14, air outlet pipeline 15 and air pump.

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 to 3, a negative pressure boiler dust recycling device includes an air inlet pipe 1, a connecting flange 2, a circulating pipe 3, a flexible hose 4, a heat exchanger 5, a heat insulation box 6, a water pipe joint 7, a heat exchange pipe 8, a settling box 9, a filter cartridge 10, a box cover 11, a box body 12, adsorption carbon 13, an air outlet pipe 14 and an air pump 15; a connecting flange 2 is fixedly arranged at one end of the air inlet pipeline 1, the other end of the air inlet pipeline 1 is connected with a circulating pipeline 3 through a telescopic hose 4, a heat exchanger 5 is sleeved on a pipe body of the circulating pipeline 3, the heat exchanger 5 is composed of a heat insulation box 6, a water pipe joint 7 and a heat exchange pipe 8, the heat insulation box 6 is wrapped on the outer side of the circulating pipeline 3, the heat exchange pipe 8 is arranged in the heat insulation box 6, the heat exchange pipe 8 is sleeved on the pipe body of the circulating pipeline 3 positioned on the inner side of the heat insulation box 6, the two ends of the heat exchange pipe 8 are respectively connected with the water pipe joint 7, the water pipe joints 7 are respectively arranged on the upper side and the lower side of the heat insulation box 6, a filter cylinder 10 is further arranged on the pipe body of the circulating pipeline 3, the settling box 9 is composed of a box cover 11 and a box body 12, the other end of circulation pipeline 3 passes 9 one sides lateral wall of setting tank and inserts in adsorption carbon 13, the pipeline 14 of giving vent to anger is installed to the opposite side lateral wall of setting tank 9, just it installs aspiration pump 15 on the pipeline 14 to give vent to anger, aspiration pump 15 is electric connection with external power supply, aspiration pump 15's model is SNJJ 051.

The air inlet pipeline 1 is connected with the circulation pipeline 3 in an adjustable stretching mode through the telescopic hose 4, so that the installation position of the air inlet pipeline 1 and a negative pressure boiler can be conveniently adjusted, and installation and construction of constructors are facilitated, the filter cartridge 10 is detachably connected with the circulation pipeline 3, so that installation or disassembly is facilitated, and the constructors can regularly replace the filter cartridge, a double-layer filter screen is arranged in the filter cartridge 10, large-particle impurities contained in smoke entering the circulation pipeline 3 can be filtered, and then the smoke entering the settling tank 9 only contains small-particle dust, the tank cover 11 is detachably connected with the top end of the tank body 12 in a clamping mode, so that a good sealing effect is achieved, the smoke is prevented from overflowing from a joint, meanwhile, the opening is facilitated, so that the adsorption carbon 13 can be replaced, and the heat exchange pipe 8 is of a spiral annular structure, the contact area of the heat exchange tube 8 and the circulating pipeline 3 is increased, and then cold water entering the heat exchange tube 8 is primarily heated and then enters the boiler, so that secondary utilization of dust is realized.

The working principle is as follows: when using this negative pressure boiler dust recycle device, be connected inlet tube 1 through flange 2 and the outlet flue of boiler, put through the 15 power of aspiration pump, make the flue gas circulate in inlet tube 1, and will be connected with water pipe head 7 on the heat-insulating box 6 respectively to the water pipe of boiler water injection, cold water in the water injection pipe carries out the rethread boiler after the preliminary heating via heat exchange tube 8 this moment, realize the reutilization to the dust, and the flue gas in flow tube 3 is carried the absorption charcoal 13 in the setting tank 9 after through filtering, after the absorption is depositd, discharge via outlet pipe 14 again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. The utility model provides a negative pressure boiler dust recycle device which characterized in that: the device comprises an air inlet pipeline (1), a connecting flange (2), a circulating pipeline (3), a flexible hose (4), a heat exchanger (5), a heat insulation box (6), a water pipe joint (7), a heat exchange pipe (8), a settling box (9), a filter cartridge (10), a box cover (11), a box body (12), adsorption carbon (13), an air outlet pipeline (14) and an air suction pump (15); a connecting flange (2) is fixedly arranged at one end of the air inlet pipeline (1), the other end of the air inlet pipeline (1) is connected with the circulating pipeline (3) through a telescopic hose (4), a heat exchanger (5) is sleeved on a pipe body of the circulating pipeline (3), the heat exchanger (5) is composed of a heat insulation box (6), a water pipe joint (7) and a heat exchange pipe (8), the heat insulation box (6) is wrapped on the outer side of the circulating pipeline (3), the heat exchange pipe (8) is arranged in the heat insulation box (6), the heat exchange pipe (8) is sleeved on the pipe body of the circulating pipeline (3) positioned on the inner side of the heat insulation box (6), the water pipe joints (7) are respectively connected to two ends of the heat exchange pipe (8), the water pipe joints (7) are respectively arranged on the upper side and the lower side of the heat insulation box (6), and a filter cylinder (10) is further arranged on the pipe, the utility model discloses a solar water heater, including setting up sedimentation tank (9), case lid (11), circulation pipeline (3), air exhaust pump (15) and external power supply, sedimentation tank (9) comprise case lid (11) and box (12), the top at box (12) is installed in case lid (11), the internally mounted of box (12) has adsorption carbon (13), the other end of circulation pipeline (3) passes sedimentation tank (9) one side lateral wall and inserts in adsorption carbon (13), pipeline (14) are given vent to anger to the opposite side lateral wall of sedimentation tank (9), just install air exhaust pump (15) on pipeline (14) of giving vent to anger, air exhaust pump (.

2. The negative pressure boiler dust recycling device according to claim 1, characterized in that: the air inlet pipeline (1) is connected with the circulating pipeline (3) in an adjustable stretching mode through a flexible hose (4).

3. The negative pressure boiler dust recycling device according to claim 1, characterized in that: the filter cartridge (10) is detachably connected with the circulation pipeline (3).

4. The negative pressure boiler dust recycling device according to claim 1, characterized in that: a double-layer filter screen is arranged in the filter cylinder (10).

5. The negative pressure boiler dust recycling device according to claim 1, characterized in that: the box cover (11) is detachably connected with the top end of the box body (12) in a clamping manner.

6. The negative pressure boiler dust recycling device according to claim 1, characterized in that: the heat exchange tube (8) is of a spiral annular structure.

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