Flue gas comprehensive treatment system utilizing activated carbon, calcium oxide and sodium hydroxide

Abstract

The utility model relates to the technical field of smoke treatment, and particularly discloses a comprehensive flue gas treatment system utilizing activated carbon, calcium oxide and sodium hydroxide, which comprises a base, and five layers of reaction mechanisms are arranged in the center of the outer wall of the top of the base; the gas conveying cavity is mounted on one side, close to the five-layer reaction mechanism, of the surface of the base; the gas discharge cavity is mounted on the other side, close to the five-layer reaction mechanism, of the surface of the base; the fireproof outer shell is installed on the surface of the base, and the gas conveying cavity, the five-layer reaction mechanism and the gas exhaust cavity are all located in the fireproof outer shell; an intake pipe; flue gas is fully adsorbed and filtered through the first lime milk suspension reaction chamber, the second activated carbon reaction chamber, the third lime milk suspension reaction chamber, the fourth activated carbon reaction chamber and the fifth sodium hydroxide solution reaction chamber, so that exhausted gas is cleaner.

Description

Technical Field

[0001] The utility model belongs to the technical field of smoke treatment, and in particular relates to a comprehensive smoke treatment system utilizing activated carbon, calcium oxide and sodium hydroxide. Background Art

[0002] In my country, fire control has always been regarded as an important task concerning national security, the safety of people's lives and property, and economic and social stability. When a fire occurs, building materials will produce a large amount of toxic and deadly smoke. If it cannot be effectively handled, it will cause a large number of casualties. Therefore, the toxic smoke needs to be purified and absorbed.

[0003] However, the existing flue gas treatment devices perform single or double filtration on toxic gases, but the filtering effect is poor and the gas treatment is not complete, resulting in the exhaust gas still containing some toxic gases, which in turn endangers human health.

[0004] To this end, those skilled in the art have proposed a comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide, comprising:

[0008] A base, wherein a five-layer reaction mechanism is arranged at the center of the outer wall at the top of the base;

[0009] A gas delivery chamber, wherein the gas delivery chamber is installed on a side of the base surface close to the five-layer reaction mechanism;

[0010] A gas exhaust chamber, the gas exhaust chamber is installed on the other side of the base surface close to the five-layer reaction mechanism;

[0011] A fireproof outer shell, wherein the fireproof outer shell is mounted on the surface of the base, and the gas delivery cavity, the five-layer reaction mechanism and the gas discharge cavity are all located inside the fireproof outer shell;

[0012] An air inlet pipe, the air inlet pipe is plugged into an outer wall of the base close to the gas delivery chamber, and one end of the air inlet pipe is plugged into an outer wall of one side of the five-layer reaction mechanism close to the bottom;

[0013] A discharge pipe, the discharge pipe is plugged into a position near the top of an outer wall of a side of the fireproof outer shell close to the gas discharge chamber, and one end of the discharge pipe is plugged into a position near the top of an outer wall of a side of the five-layer reaction mechanism;

[0014] Connecting pipes, a plurality of connecting pipes are installed inside the gas delivery cavity and the gas discharge cavity, and both ends of the connecting pipes are respectively connected to the outer walls of both sides of the five-layer reaction mechanism.

[0015] Preferably, the five-layer reaction mechanism includes five reaction chambers, which are lime milk suspension reaction chamber one, activated carbon reaction chamber two, lime milk suspension reaction chamber three, activated carbon reaction chamber four and sodium hydroxide solution reaction chamber five. The lime milk suspension reaction chamber one, activated carbon reaction chamber two, lime milk suspension reaction chamber three, activated carbon reaction chamber four and sodium hydroxide solution reaction chamber five are installed from bottom to top at the center of the base surface.

[0016] Preferably, both ends of the connecting pipe are respectively plugged into the outer walls of two adjacent reaction chambers.

[0017] Preferably, one end of the air inlet pipe is connected to the interior of the lime milk suspension reaction chamber 1, and the other end of the air inlet pipe is connected to the carbon monoxide treatment device.

[0018] Preferably, one end of the discharge pipe is connected to the interior of the sodium hydroxide solution reaction chamber 5, and a filter screen is clamped on the circumferential inner wall of the discharge pipe near the discharge port, and the pore size of the filter screen is 0-20nm.

[0019] Preferably, the fireproof outer shell comprises a rock wool layer, an aluminum silicate layer and a glass wool layer, and the rock wool layer, the aluminum silicate layer and the glass wool layer are installed from the outside to the inside.

[0020] Preferably, the interiors of the lime milk suspension reaction chamber 1 and the lime milk suspension reaction chamber 3 are filled with high-concentration lime milk accounting for 80% of the total volume of the reaction chamber.

[0021] Preferably, the interior of the activated carbon reaction chamber 2 and the activated carbon reaction chamber 4 is filled with waterproof activated carbon with an iodine value of 800-1300.

[0022] Preferably, the interior of the sodium hydroxide solution reaction chamber five is filled with a sodium hydroxide solution having a concentration of 10% and accounting for 30% of the total volume of the reaction chamber.

[0023] Compared with the prior art, the beneficial effects of the utility model are:

[0024] (1) The utility model is provided with a fireproof outer shell and a five-layer reaction mechanism. The fireproof outer shell is composed of three fireproof materials, namely, a rock wool layer, an aluminum silicate layer and a glass wool layer, which enhances the fireproof effect of the device and facilitates the device to process smoke in the fire area. Then, the smoke is fully processed by the five-layer reaction mechanism. The smoke enters the device in a long way and exits in a short way. After being processed by the carbon monoxide treatment device, the smoke enters the five-layer reaction mechanism through the air inlet pipe, and then passes through the lime milk suspension reaction chamber 1, the activated carbon reaction chamber 2, the lime milk suspension reaction chamber 3, the activated carbon reaction chamber 4 and the reaction chamber 5 in sequence. Sodium hydroxide solution reaction chamber five, reaction chamber one processes sulfur dioxide, hydrogen chloride, nitrogen dioxide, hydrogen sulfide and chlorine, reaction chamber two adsorbs acrolein, sulfur dioxide, phosgene, hydrogen cyanide and nitrogen dioxide, reaction chamber three carries out acid gas treatment again, reaction chamber four treats the remaining flue gas again to ensure the thoroughness of flue gas adsorption, reaction chamber five does the final guarantee work, filters the gas again, and then passes the gas to the exhaust pipe. The exhaust pipe is equipped with a filter with a pore diameter of less than 20nm to perform the final filtration of the remaining small amount of toxic flue gas that has not been thoroughly purified. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure after being cut open of the utility model;

[0026] Figure 2 It is a front cross-sectional structural schematic diagram of the utility model;

[0027] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at point A;

[0028] Figure 4 It is a schematic diagram of the overall structure of the utility model;

[0029] Figure 5 It is a schematic diagram of the structure of the base, gas delivery chamber, gas exhaust chamber and five-layer reaction mechanism of the utility model;

[0030] In the figure: 1, base; 2, fireproof outer shell; 3, discharge pipe; 4, sodium hydroxide solution reaction chamber five; 5, activated carbon reaction chamber four; 6, lime milk suspension reaction chamber three; 7, activated carbon reaction chamber two; 8, lime milk suspension reaction chamber one; 9, gas discharge chamber; 10, gas delivery chamber; 11, air inlet pipe; 12, connecting pipe;

[0031] 201. rock wool layer; 202. aluminum silicate layer; 203. glass wool layer. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-Figure 5 As shown, a comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide comprises:

[0034] A base 1, wherein a five-layer reaction mechanism is arranged at the center of the top outer wall of the base 1;

[0035] A gas delivery chamber 10, which is mounted on a side of the base 1 surface close to the five-layer reaction mechanism;

[0036] A gas exhaust chamber 9, which is installed on the other side of the surface of the base 1 close to the five-layer reaction mechanism;

[0037] The fireproof outer shell 2 is mounted on the surface of the base 1, and the gas delivery chamber 10, the five-layer reaction mechanism and the gas discharge chamber 9 are all located inside the fireproof outer shell 2;

[0038] An air inlet pipe 11 is inserted into the outer wall of the base 1 near the gas delivery chamber 10, and one end of the air inlet pipe 11 is inserted into the outer wall of one side of the five-layer reaction mechanism near the bottom;

[0039] The discharge pipe 3 is inserted into the outer wall of the fireproof outer shell 2 near the gas discharge chamber 9, and one end of the discharge pipe 3 is inserted into the outer wall of the five-layer reaction mechanism, and is near the top;

[0040] Connecting pipes 12, a plurality of connecting pipes 12 are installed inside the gas delivery chamber 10 and the gas discharge chamber 9, and both ends of the connecting pipes 12 are respectively connected to the outer walls of both sides of the five-layer reaction mechanism.

[0041] As can be seen from the above, the flue gas enters the device through the air inlet pipe 11, is transported and processed in the gas delivery chamber 10, the gas exhaust chamber 9, the connecting pipe 12 and the five-layer reaction mechanism, and then is discharged from the exhaust pipe 3.

[0042] Specifically, the five-layer reaction mechanism includes five reaction chambers, which are lime milk suspension reaction chamber one 8, activated carbon reaction chamber two 7, lime milk suspension reaction chamber three 6, activated carbon reaction chamber four 5 and sodium hydroxide solution reaction chamber five 4. The lime milk suspension reaction chamber one 8, activated carbon reaction chamber two 7, lime milk suspension reaction chamber three 6, activated carbon reaction chamber four 5 and sodium hydroxide solution reaction chamber five 4 are installed from bottom to top at the center of the surface of the base 1.

[0043] From the above, it can be seen that the flue gas is filtered in multiple layers through five reaction chambers, making the gas cleaner.

[0044] Specifically, both ends of the connecting tube 12 are respectively plugged into the outer walls of two adjacent reaction chambers.

[0045] As can be seen from the above, the connecting pipe 12 sends the flue gas in the lower reaction chamber to the interior of the adjacent upper reaction chamber after passing through the gas discharge chamber 9 and the gas delivery chamber 10 for a circle.

[0046] Specifically, one end of the air inlet pipe 11 is connected to the interior of the lime milk suspension reaction chamber 8, and the other end of the air inlet pipe 11 is connected to the carbon monoxide treatment device.

[0047] As can be seen from the above, the lime milk suspension reaction chamber 8 processes sulfur dioxide, hydrogen chloride, nitrogen dioxide, hydrogen sulfide and chlorine.

[0048] Specifically, one end of the discharge pipe 3 is connected to the interior of the sodium hydroxide solution reaction chamber 5 4, and a filter screen is clamped on the inner wall of the discharge pipe 3 near the discharge port, and the pore size of the filter screen is 0-20nm.

[0049] As can be seen from the above, a filter with a pore diameter of less than 20 nm is arranged in the exhaust pipe 3 to perform a final filtration on a small amount of toxic smoke that has not been completely purified.

[0050] Specifically, the fireproof outer shell 2 includes a rock wool layer 201, an aluminum silicate layer 202 and a glass wool layer 203, and the rock wool layer 201, the aluminum silicate layer 202 and the glass wool layer 203 are installed from the outside to the inside.

[0051] As can be seen from the above, the fireproof outer shell 2 is composed of three fireproof materials: a rock wool layer 201, an aluminum silicate layer 202 and a glass wool layer 203, which enhances the fireproof effect of the device and facilitates the device to handle smoke in a fire area.

[0052] Specifically, the interior of the lime milk suspension reaction chamber 1 8 and the lime milk suspension reaction chamber 3 6 is filled with high-concentration lime milk accounting for 80% of the total volume of the reaction chamber.

[0053] As can be seen from the above, the lime milk suspension reaction chamber 1 8 processes sulfur dioxide, hydrogen chloride, nitrogen dioxide, hydrogen sulfide and chlorine, and the lime milk suspension reaction chamber 3 6 performs secondary treatment on the acidic gas.

[0054] Specifically, the interior of the activated carbon reaction chamber 2 7 and the activated carbon reaction chamber 4 5 is filled with waterproof activated carbon with an iodine value of 800-1300.

[0055] As can be seen from the above, the activated carbon reaction chamber 2 7 adsorbs acrolein, sulfur dioxide, phosgene, hydrogen cyanide and nitrogen dioxide, and the activated carbon reaction chamber 4 5 processes the remaining flue gas again to ensure the thoroughness of the flue gas adsorption.

[0056] Specifically, the interior of the sodium hydroxide solution reaction chamber 5 4 is filled with a sodium hydroxide solution with a concentration of 10% which accounts for 30% of the total volume of the reaction chamber.

[0057] From the above, it can be seen that the sodium hydroxide solution reaction chamber 54 performs the final protection work and filters the gas again.

[0058] Working principle: After being treated by the carbon monoxide treatment device, the flue gas is passed into the five-layer reaction mechanism through the air inlet pipe 11, and then passes through the lime milk suspension reaction chamber 1 8, the activated carbon reaction chamber 2 7, the lime milk suspension reaction chamber 3 6, the activated carbon reaction chamber 4 5 and the sodium hydroxide solution reaction chamber 5 4 in turn. The reaction chamber 1 treats sulfur dioxide, hydrogen chloride, nitrogen dioxide, hydrogen sulfide and chlorine, the reaction chamber 2 adsorbs acrolein, sulfur dioxide, phosgene, hydrogen cyanide and nitrogen dioxide, the reaction chamber 3 performs another acid gas treatment, the reaction chamber 4 processes the remaining flue gas again to ensure the thoroughness of the flue gas adsorption, the reaction chamber 5 performs the final guarantee work, filters the gas again, and then passes the gas to the exhaust pipe 3. The exhaust pipe 3 is provided with a filter with a pore diameter of less than 20nm, and the remaining small amount of toxic flue gas that has not been thoroughly purified is finally filtered.

[0059] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide, characterized in that: include: A base (1), wherein a five-layer reaction mechanism is arranged at the center of the top outer wall of the base (1); A gas delivery chamber (10), the gas delivery chamber (10) being mounted on a side of the surface of the base (1) close to the five-layer reaction mechanism; A gas exhaust chamber (9), the gas exhaust chamber (9) being installed on the other side of the surface of the base (1) close to the five-layer reaction mechanism; A fireproof outer shell (2), wherein the fireproof outer shell (2) is mounted on the surface of the base (1), and the gas delivery chamber (10), the five-layer reaction mechanism and the gas discharge chamber (9) are all located inside the fireproof outer shell (2); An air inlet pipe (11), the air inlet pipe (11) being plugged into an outer wall of the base (1) close to the gas delivery chamber (10), and one end of the air inlet pipe (11) being plugged into an outer wall of one side of the five-layer reaction mechanism close to the bottom; A discharge pipe (3), the discharge pipe (3) being inserted into a position close to the top of an outer wall of a side of the fireproof outer shell (2) close to the gas discharge chamber (9), and one end of the discharge pipe (3) being inserted into a position close to the top of an outer wall of a side of the five-layer reaction mechanism; A connecting pipe (12), wherein a plurality of the connecting pipes (12) are installed inside the gas delivery chamber (10) and the gas discharge chamber (9), and the two ends of the connecting pipe (12) are respectively connected to the outer walls of both sides of the five-layer reaction mechanism.

2. The comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 1 is characterized in that: The five-layer reaction mechanism comprises five reaction chambers, which are respectively a lime milk suspension reaction chamber one (8), an activated carbon reaction chamber two (7), a lime milk suspension reaction chamber three (6), an activated carbon reaction chamber four (5) and a sodium hydroxide solution reaction chamber five (4). The lime milk suspension reaction chamber one (8), the activated carbon reaction chamber two (7), the lime milk suspension reaction chamber three (6), the activated carbon reaction chamber four (5) and the sodium hydroxide solution reaction chamber five (4) are installed from bottom to top at the center of the surface of the base (1).

3. A comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 2, characterized in that: The two ends of the connecting pipe (12) are respectively plugged into the outer walls of two adjacent reaction chambers.

4. The comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 2 is characterized in that: One end of the air inlet pipe (11) is connected to the interior of the lime milk suspension reaction chamber (8).

5. The comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 2 is characterized in that: One end of the discharge pipe (3) is connected to the interior of the sodium hydroxide solution reaction chamber 5 (4), and a filter screen is clamped on the inner wall of the discharge pipe (3) near the discharge port, and the pore size of the filter screen is 0-20nm.

6. The comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 1 is characterized in that: The fireproof outer shell (2) comprises a rock wool layer (201), an aluminum silicate layer (202) and a glass wool layer (203), and the rock wool layer (201), the aluminum silicate layer (202) and the glass wool layer (203) are installed from the outside to the inside.

7. A comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 2, characterized in that: The interior of the lime milk suspension reaction chamber 1 (8) and the lime milk suspension reaction chamber 3 (6) is filled with high-concentration lime milk accounting for 80% of the total volume of the reaction chamber.

8. The comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 2 is characterized in that: The interior of the activated carbon reaction chamber 2 (7) and the activated carbon reaction chamber 4 (5) is filled with waterproof activated carbon with an iodine value of 800-1300.

9. A comprehensive flue gas treatment system using activated carbon, calcium oxide and sodium hydroxide according to claim 2, characterized in that: The interior of the sodium hydroxide solution reaction chamber 5 (4) is filled with a sodium hydroxide solution with a concentration of 10%, which accounts for 30% of the total volume of the reaction chamber.

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