CN214621993U

CN214621993U - Condensation reheating device for smoke emission component detection

Info

Publication number: CN214621993U
Application number: CN202120288699.1U
Authority: CN
Inventors: 吴凤龙; 裴珊珊; 白雪; 张丽霞
Original assignee: Hainan Ruichu Environmental Protection Technology Co ltd
Current assignee: Hainan Ruichu Environmental Protection Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-11-05
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a smoke discharging composition detects uses condensation reheat device, including separating the temperature shell, the inside that separates the temperature shell forms condensation chamber and heating chamber by separating temperature inner shell interval, the condensation chamber sets up the inside at the heating chamber, be equipped with the condenser pipe in the condensation chamber, condenser pipe one end is connected with first aspiration pump, and its lower extreme is equipped with the comdenstion water delivery pipe, comdenstion water delivery pipe downside is connected with the emission solenoid valve, be equipped with first fan and second fan on the heating chamber, its inside heating pipe that still is equipped with, the other end of condenser pipe is connected with the one end of heating pipe, be equipped with a plurality of semiconductor refrigeration pieces on separating the temperature inner shell, the both ends of semiconductor refrigeration piece set up respectively in heating chamber and condensation chamber, the other end of heating pipe passes through the outlet duct and links to each other with flue gas analyzer. The utility model discloses set the condenser pipe to two helical structure, make the condensation more abundant, heat to the room temperature behind the flue gas condensation for the instrument detects the precision and obtains improving.

Description

Condensation reheating device for smoke emission component detection

Technical Field

The utility model relates to a flue gas detection technical field, concretely relates to smoke emission composition detects uses condensation reheating device.

Background

The traditional measurement that is applied to high humidity low concentration polluted gas flue has the heat preservation condensation pretreatment method, will follow the flue gas extraction flue gas and carry to condensing equipment through the companion's heat pipe, through condensing equipment dehydration back, measures the dry flue gas after the cooling, eliminates the influence of moisture. The other scheme is a hot wet method, wherein the flue gas is extracted and heated to a temperature above the boiling point of water, the moisture is completely gasified, and the flue raw gas in a high-temperature environment is directly measured, or a sensor is directly inserted into the flue and the measurement is directly carried out in the flue environment.

Condensation process among the above-mentioned mode generally is through directly expanding the system and cooling the condensation, and the flue gas temperature after the condensation is lower, and current flue gas detection device does not properly heat the flue gas after the condensation is dry to the room temperature, and the lower flue gas of temperature directly carries to the detecting instrument in, can cause the influence to detecting the precision. And the compressor of the direct expansion system has higher noise when working, and is inconvenient to use. Improvements are therefore needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a smoke discharging composition detects uses condensation reheat device to the not enough of prior art existence.

In order to achieve the above purpose, the utility model provides a condensation reheating device for detecting smoke emission components, which comprises a thermal insulation outer shell, wherein the interior of the thermal insulation outer shell is partitioned by a thermal insulation inner shell to form a condensation chamber and a heating chamber, the condensation chamber is arranged in the heating chamber, a condensation pipe and a first temperature sensor are arranged in the condensation chamber, one end of the condensation pipe is connected with a first air suction pump, the lower end of the condensation pipe is provided with a condensation water discharge pipe, the lower side of the condensation water discharge pipe is connected with a discharge electromagnetic valve, the heating chamber is provided with a first fan and a second fan, a heating pipe is further arranged in the heating chamber, the other end of the condensation pipe is connected with one end of the heating pipe, the thermal insulation inner shell is provided with a plurality of semiconductor refrigeration sheets, two ends of the semiconductor refrigeration sheets are respectively arranged in the heating chamber and the condensation chamber, and the other end of the heating pipe is connected with a smoke analyzer through an air outlet pipe, and a second temperature sensor is arranged in the air outlet pipe, and the semiconductor refrigeration sheet, the first temperature sensor, the first air suction pump, the first fan, the second temperature sensor and the discharge electromagnetic valve are respectively connected with the controller.

Furthermore, the condenser pipe is in a double-spiral shape which is mutually coiled.

Further, the heating pipe is spirally arranged around the condensing chamber.

Further, a liquid accumulation tank is arranged on the lower side of the discharge electromagnetic valve.

Further, the heat insulation inner shell is characterized by comprising double-layer metal plates and a heat insulation plate arranged between the double-layer metal plates, wherein the heat insulation plate comprises a polystyrene foam plate.

Further, the first air suction pump is connected with the smoke exhaust pipeline through a heat tracing pipe.

Further, a second air suction pump is arranged between the air outlet pipe and the smoke analyzer.

Further, the condenser pipe comprises a glass pipe, and the heating pipe comprises an aluminum pipe.

Has the advantages that: the utility model discloses the weak point of current flue gas condensation detection device is directed against, sets the condenser pipe into double helix structure, has increased the condensation route for the pipeline that directly goes, makes the condensation more abundant, and the pipeline of spiral also makes the unable liquid that drives the condensation of air current get into detecting instrument, heats the flue gas temperature after the condensation to the room temperature simultaneously for the instrument detects the precision and obtains improving, and the device noise is little to use conveniently.

Drawings

FIG. 1 is a schematic diagram of an internal structure of a condensing and reheating device for detecting smoke emission components according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a condensation tube according to an embodiment of the present invention.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1 to 2, an embodiment of the present invention provides a condensation reheating device for detecting smoke emission components, which includes a thermal insulation outer shell 8, a condensation chamber 2 and a heating chamber 1 are formed in the thermal insulation outer shell 8 at an interval by a thermal insulation inner shell 19, the condensation chamber 2 is disposed in the heating chamber 1, a condensation pipe 15 and a first temperature sensor 17 are disposed in the condensation chamber 2, a first air suction pump 4 is connected to one end of the condensation pipe 15, a condensation water discharge pipe 18 is disposed at a lower end of the condensation pipe 18, a discharge electromagnetic valve 9 is connected to a lower side of the condensation water discharge pipe 18, a first fan 14 and a second fan 6 are disposed on the heating chamber 1, a heating pipe 16 is further disposed in the condensation chamber 2, the other end of the condensation pipe 15 is connected to one end of the heating pipe 16, a plurality of semiconductor refrigeration sheets 7 are disposed on the thermal insulation inner shell 19, two ends of the semiconductor refrigeration sheets 7 are disposed in the heating chamber 1 and the condensation chamber 2 respectively, one end of the semiconductor refrigeration sheets 7 is heated after being powered on, the refrigerating end is arranged in the condensing chamber 2 to absorb heat to achieve the refrigerating effect, and the heating end is arranged in the heating chamber 1 to achieve the heating effect of increasing the temperature. The other end of the heating pipe 16 is connected with a flue gas analyzer 13 through an air outlet pipe 12, a second temperature sensor 10 is arranged in the air outlet pipe 12, and the semiconductor refrigeration sheet 7, the first temperature sensor 17, the first air suction pump 4, the first fan 14, the second fan 6, the second temperature sensor 10 and the discharge electromagnetic valve 9 are respectively connected with a controller. The first temperature sensor 17 senses the air temperature in the condensing chamber 2, signals are transmitted to the controller, the set temperature is 3-4 ℃, when the temperature in the condensing chamber 2 is lower than 3 ℃, the controller controls the semiconductor refrigerating sheet 7 to stop working, the first fan 14 is an air inlet fan, the second fan 6 is an exhaust fan, the first fan and the second fan cooperate to drive the air in the heating chamber to circulate, the second temperature sensor 10 senses the temperature in the heating pipe 16, signals are transmitted to the controller, the set temperature is 23-25 ℃, if the temperature in the heating pipe 16 is higher than the set value, the rotating speeds of the first fan 14 and the second fan 6 are increased, the air circulation in the heating chamber 1 is accelerated, the heat dissipation is accelerated, and if the temperature in the heating pipe 16 is lower than the set value, the rotating speeds of the first fan 14 and the second fan 6 are reduced.

The condenser pipe 15 is the two heliciform that the setting was convoluteed each other, and the lower extreme of condenser pipe 15 is recessed S type, and condensate water discharge pipe 18 is connected to most the covet, and the both ends of condenser pipe 15 all set up the upside at heat-insulating inner shell 19, and heating pipe 16 is the heliciform and sets up around condensation chamber 2, and the downside of discharging solenoid valve 9 is equipped with long liquid tank 5, and the double helix of condenser pipe 15 sets up can extend gas cooling route, makes the intraductal gas cooling more abundant, and admits air and spirals down and go up and let in heating pipe 16 by going up the dish. When the temperature is reduced, water vapor is condensed and slides downwards along the pipe wall, the condensed water enters a condensed water drain pipe 18 when reaching the lowest point, the controller controls the discharge electromagnetic valve 9 to be opened once every a period of time, the condensed water accumulated in the condensed water is drained into the liquid accumulation box 5, and during the opening period of the discharge electromagnetic valve 9, the first air suction pump 4 does not work, so that smoke can be prevented from entering the liquid accumulation box 5, the liquid accumulation box door is further arranged on the heat insulation shell 8, and the liquid accumulation box door is opened and can be pulled out from the device so as to be cleaned.

The heat insulation inner shell 19 comprises double-layer metal plates and heat insulation plates arranged between the double-layer metal plates, the heat insulation plates are preferably polystyrene foam plates, the heat conductivity coefficient is about 0.04W/mK, the heat insulation plates are good heat insulation materials, the temperature of the condensation chamber 2 can be well separated from that of the heating chamber 1, and the temperature control effect in the condensation chamber 2 and the heating chamber 1 is better.

The first air suction pump 4 is connected with the smoke exhaust pipeline through the heat tracing pipe 3, the heat tracing pipe 3 heats smoke extracted from the smoke exhaust pipeline, and the corrosive liquid is not retained in the pipeline due to premature condensation of the smoke in the pipeline.

A second air suction pump 11 is arranged between the air outlet pipe 12 and the flue gas analyzer 13, so that air in the pipe flows into the analyzer for detection, and the power of the second air suction pump 11 is preferably the same as that of the first air suction pump 4.

The condenser tube 15 is preferably a glass tube, the heat conductivity of glass is not better than that of metal, but the glass tube is corrosion-resistant, when flue gas is condensed, sulfur dioxide is easily dissolved in water to easily form sulfurous acid, and the sulfur dioxide is dissolved in sulfuric acid which can be formed by the water after being oxidized, the glass tube cannot be corroded by acidic liquid, the heat conductivity coefficient is about 1.1W/mK, and a better condensation effect can be achieved. The heating tube 16 is preferably an aluminum tube having a thermal conductivity of about 231W/mK, and good thermal conductivity allows good thermal energy transfer to heat the gas within the tube.

The above description is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described belong to the prior art or the common general knowledge to those skilled in the art. Without departing from the principle of the present invention, several improvements and decorations can be made, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a smoke discharging composition detects uses condensation reheating device, its characterized in that, includes and separates temperature shell (8), the inside that separates temperature shell (8) is by separating temperature inner shell (19) interval formation condensation chamber (2) and heating chamber (1), condensation chamber (2) set up the inside in heating chamber (1), be equipped with condenser pipe (15) and first temperature sensor (17) in condensation chamber (2), condenser pipe (15) one end is connected with first aspiration pump (4), and its lower extreme is equipped with comdenstion water delivery pipe (18), comdenstion water delivery pipe (18) downside is connected with and discharges solenoid valve (9), be equipped with first fan (14) and second fan (6) on heating chamber (1), its inside still is equipped with heating pipe (16), the other end of condenser pipe (15) is connected with the one end of heating pipe (16), it is equipped with a plurality of semiconductor refrigeration pieces (7) on inner shell (19) to separate temperature, the both ends of semiconductor refrigeration piece (7) set up respectively in heating chamber (1) and condensing chamber (2), the other end of heating pipe (16) passes through outlet duct (12) and links to each other with flue gas analyzer (13), be equipped with second temperature sensor (10) in outlet duct (12), semiconductor refrigeration piece (7), first temperature sensor (17), first aspiration pump (4), first fan (14), second fan (6), second temperature sensor (10) and emission solenoid valve (9) link to each other with the controller respectively.

2. The condensing and reheating device for flue gas emission component detection according to claim 1, wherein the condensing pipe (15) has a double spiral shape in which the condensing pipes are wound around each other.

3. The condensing and reheating device for flue gas emission component detection according to claim 1, wherein the heating pipe (16) is spirally disposed around the condensing chamber (2).

4. The condensing and reheating device for flue gas emission component detection according to claim 2, wherein a liquid accumulation tank (5) is provided at a lower side of the discharge solenoid valve (9).

5. The condensation reheating device for flue gas emission component detection according to claim 1, wherein the heat-insulating inner casing (19) comprises double-layer metal plates and a heat-insulating plate disposed between the double-layer metal plates, and the heat-insulating plate comprises a polystyrene foam plate.

6. The condensing and reheating device for flue gas emission component detection according to claim 1, wherein the first suction pump (4) is connected to a flue gas exhaust pipe through a heat tracing pipe (3).

7. The condensing and reheating device for flue gas emission component detection according to claim 1, wherein a second suction pump (11) is disposed between the outlet duct (12) and the flue gas analyzer (13).

8. The condensation reheating device for flue gas emission component detection according to claim 1, wherein the condensation pipe (15) comprises a glass pipe, and the heating pipe (16) comprises an aluminum pipe.