Sulfuric acid flue gas purifier

Abstract

The utility model discloses a sulfuric acid flue gas purifier which comprises a shell serving as a main body of the sulfuric acid flue gas purifier, the through pipe is fixed in the middle of the interior of the shell; the rotating shaft is rotationally arranged in the through pipe; the stirring blades are fixed on the outer surface of the rotating shaft; the circulating pump is arranged at the lower part of the interior of the shell; the heat dissipation pipe is connected to the conveying end of the circulating pump; the medium cavity is arranged on the inner wall of the heat dissipation pipe; the heat-conducting glue penetrates through the outer surface of the heat dissipation pipe and extends into the medium cavity; and the micro groove is formed in the heat dissipation pipe. According to the utility model, the heat-conducting glue, the medium cavity and the microgrooves are adopted, and the heat of liquid is reduced by the structure, so that the condition of slow condensation rate of liquid drops after reaction of the liquid and the flue gas is relieved when the liquid is contacted with the flue gas; the through pipe, the rotating shaft and the stirring blades are adopted, liquid and smoke react sufficiently through stirring, the reaction contact time of the liquid and the smoke is prolonged through the through pipe, and the reaction effect of the smoke and the liquid is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flue gas purification, in particular to a sulfuric acid flue gas purifier. Background Art

[0002] Sulfuric acid flue gas purifier is a kind of equipment used to treat flue gas containing sulfuric acid. Its main purpose is to remove sulfide pollutants in the flue gas and reduce the harm to the environment and human health.

[0003] According to the publication number CN213725578U, a sulfuric acid production flue gas washing and purification equipment includes a purification box, an air intake pipe, a circulation tank, an exhaust pipe, a cooling assembly connected to the circulation tank, and a spray assembly connected to the cooling assembly. Through the synergistic effect between the dust filter and the activated carbon layer, dust and particles in the flue gas are efficiently filtered to avoid the formation of acid mud in the circulation tank. In combination with the hollow multi-faceted balls in the filling layer, the purification efficiency of the washing chamber is improved. By combining the above references, it is found that the existing sulfuric acid flue gas purification equipment has at least the following problems:

[0004] 1. Usually the flue gas is in a high temperature state, but the absorption liquid is in contact with heat for a long time, so that the absorption liquid gradually becomes hot, resulting in a slow condensation rate of the droplets after the absorption liquid reacts with the flue gas;

[0005] 2. The flue gas contacts the absorption liquid to absorb the sulfur dioxide in the flue gas, but the contact time between the flue gas and the absorption liquid is too short, which may cause incomplete reaction of part of the flue gas and insufficient reaction effect.

[0006] To this end, we proposed a sulfuric acid flue gas purifier to solve the above-mentioned drawbacks. Utility Model Content

[0007] The utility model aims to solve the shortcomings in the prior art and proposes a sulfuric acid fume purifier.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A sulfuric acid flue gas purifier, comprising:

[0010] The shell is the main body of the sulfuric acid fume purifier;

[0011] A through pipe fixed in the middle of the shell;

[0012] A rotating shaft, which is rotatably arranged inside the through pipe;

[0013] A stirring blade fixed to the outer surface of the rotating shaft;

[0014] A circulation pump installed at the lower part of the housing;

[0015] A heat dissipation pipe connected to the delivery end of the circulation pump;

[0016] A medium cavity, which is arranged on the inner wall of the heat dissipation pipe;

[0017] Thermally conductive adhesive, which penetrates the outer surface of the heat dissipation pipe and extends to the interior of the dielectric cavity;

[0018] Micro grooves are arranged inside the heat dissipation pipe.

[0019] Preferably, the base further comprises:

[0020] an air intake pipe, which passes through the top of the shell;

[0021] an air outlet pipe and a discharge pipe connected to one side of the shell;

[0022] The dustproof filter screen and the activated carbon layer are both arranged above the interior of the shell.

[0023] Preferably, the base further comprises:

[0024] a partition plate fixed inside the shell;

[0025] An air pipe, which penetrates through the bottom of the partition and extends into the interior of the through pipe;

[0026] A discharge port, which runs through the bottom of the through pipe;

[0027] A hollow polyhedral ball is fixed inside the shell, and the hollow polyhedral ball is located between the through pipe and the circulation pump.

[0028] Preferably, the base further comprises:

[0029] The dustproof filter is located above the activated carbon layer, and the dustproof filter and the activated carbon layer are designed in a "V" shape.

[0030] Preferably, the base further comprises:

[0031] The through pipe is designed in an "S" shape in cross section, and the multiple groups of discharge ports that pass through the bottom of the through pipe are arranged equidistantly from left to right.

[0032] Preferably, the base further comprises:

[0033] The thermal conductive adhesive is provided with multiple groups, and the thermal conductive adhesive is arranged equidistantly from top to bottom, and the thermal conductive adhesive is made of rubber.

[0034] Preferably, the base further comprises:

[0035] The heat dissipation pipe is made of aluminum alloy or copper material, and the medium in the medium cavity inside the heat dissipation pipe is heat transfer oil.

[0036] Compared with the prior art, the beneficial effects of the utility model are:

[0037] (1) The utility model adopts a thermally conductive adhesive, a dielectric cavity and microgrooves. When the liquid contacts the hot flue gas and gradually becomes hot, the liquid with heat contacts the wall of the microgroove during the transportation through the heat dissipation pipe, thereby improving the heat transfer to the thermal oil inside the dielectric cavity. The thermal oil conducts the heat to the thermally conductive adhesive, so that the heat is transferred along the thermally conductive adhesive to the external thermally conductive adhesive part and contacts with the air to release the heat into the air. These structures reduce the heat of the liquid, so that when it contacts the flue gas, the slow condensation rate of the liquid droplets after the reaction between the liquid and the flue gas is slowed down.

[0038] (2) The utility model adopts a through pipe, a rotating shaft and a stirring blade. The circulating pump conveys liquid to the through pipe for contact with the filtered smoke. The liquid generates an impact force, which then impacts the stirring blade to rotate on the basis of the rotating shaft and drive the liquid to stir, further improving the reaction effect after the liquid and smoke are mixed. At the same time, since the through pipe is designed in an "S" shape, the contact time between the liquid and the smoke is prolonged. The liquid and the smoke are fully reacted through stirring. The through pipe prolongs the reaction contact time between the liquid and the smoke, thereby improving the reaction effect between the smoke and the liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0040] Figure 1 It is a schematic diagram of the structure of the utility model;

[0041] Figure 2 This is a schematic diagram of the front section structure of the shell of the utility model;

[0042] Figure 3 This is a schematic diagram of the front cross-section structure of the heat dissipation pipe of the utility model;

[0043] Figure 4 This utility model Figure 2 The enlarged structural diagram at A in the middle;

[0044] Figure 5 This utility model Figure 3 Enlarged structural diagram at B in the middle.

[0045] Legend:

[0046] 1. Shell; 2. Air inlet pipe; 3. Air outlet pipe; 4. Discharge pipe; 5. Dust filter; 6. Activated carbon layer; 7. Partition; 8. Air pipe; 9. Through pipe; 10. Rotating shaft; 11. Stirring blade; 12. Discharge port; 13. Hollow polyhedral sphere; 14. Circulation pump; 15. Heat dissipation pipe; 16. Thermal conductive adhesive; 17. Medium cavity; 18. Micro groove. DETAILED DESCRIPTION

[0047] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0048] Example: Figure 1 As shown, a sulfuric acid fume purifier comprises: a shell 1 which is the main body of the sulfuric acid fume purifier, the shell 1 provides a reliable outer frame for accommodating and fixing various components in the sulfuric acid fume purification equipment, such as an activated carbon layer, a partition, etc., which are installed inside the shell 1 and arranged and connected according to the design requirements. The shell 1 can effectively protect the internal components from interference and erosion by the external environment, and provides an important basis and guarantee for the normal operation of the equipment. An air inlet pipe 2 runs through the top of the shell 1, and the air inlet pipe 2 is connected to an external flue gas source. The flue gas can enter the processing area of ​​the equipment through the air inlet pipe 2 for subsequent purification and treatment processes. The air outlet pipe 3 and the discharge pipe 4 both run through the lower side of the shell 1, and the air outlet pipe 3 is connected to the inside of the sulfuric acid fume purification equipment to guide the purified gas out of the equipment. The discharge pipe 4 is used to give the liquid after the reaction of the flue gas and the liquid to subsequent treatment. At the same time, a control valve is arranged on the outer surface of the discharge pipe 4 so that the liquid after the reaction can continue to be used for circulation reaction to improve the reaction quality.

[0049] like Figure 2 and Figure 4As shown, the dust filter 5 and the activated carbon layer 6 are both installed on the upper part of the interior of the housing 1, wherein the dust filter 5 is located above the activated carbon layer 6. The dust filter 5 can effectively filter out particulate matter in the sulfuric acid fume through its microporous structure and surface charge and other characteristics. The activated carbon layer 6 utilizes the pore structure and surface chemical properties of the activated carbon to adsorb and remove organic matter in the sulfuric acid fume. Organic matter is another important source of pollution in the sulfuric acid fume, which includes various harmful substances such as benzene, formaldehyde, and toluene. Through the treatment of the activated carbon layer 6, these organic matter can be effectively removed. The sulfuric acid fume is adsorbed and removed, so that the sulfuric acid fume achieves the effect of preliminary decontamination and purification. The partition 7 is fixed inside the shell 1, which is located below the activated carbon layer 6. It is mainly used to block the fume and enter the air pipe 8 that penetrates the bottom of the partition 7 and extends to the inside of the through pipe 9. The air pipe 8 extends to one end of the through pipe 9, which is immersed in the liquid. The through pipe 9 is fixed in the middle of the shell 1. The through pipe 9 is designed in an "S" shape, so that the contact time between the liquid (which can be sulfuric acid) and the sulfur dioxide in the flue gas is prolonged, and the reaction effect of the contact between the two is improved, so that the generated dilute sulfuric acid can be repeated many times. The utilization rate of resources is improved. The rotating shaft 10 is rotatably arranged inside the through pipe 9. The liquid delivered by the through pipe circulation pump 14 impacts the stirring blade 11 fixed on the outer surface of the rotating shaft 10, and then the stirring blade 11 stirs and mixes the liquid and the smoke, further improving the reaction effect of the liquid and the smoke. The discharge port 12 runs through the bottom of the through pipe 9 to facilitate the discharge of the reacted liquid and gas. The hollow multifaceted ball 13 is arranged inside the shell 1, which is located below the through pipe 9. The multifaceted structure of the hollow multifaceted ball 13 and the gaps formed between the plurality of hollow multifaceted balls 13 are utilized to make The reacted liquid forms droplets and adheres to the hollow polyhedral sphere 13, so that the reacted flue gas and the reacted liquid are separated. The circulation pump 14 is installed at the lower part of the inner part of the shell 1. The through pipe reuses the reacted liquid, and the liquid can be circulated and reacted all the time. The heat dissipation pipe 15 is connected to the delivery end of the circulation pump 14, and the other end is connected to the through pipe 9. The heat dissipation pipe 15 is made of copper material. The heat dissipation pipe 15 can quickly conduct the heat inside the liquid to the pipe wall through its high thermal conductivity copper material, and cooperate with the associated structure to dissipate the heat of the liquid.

[0050] like Figure 3 and Figure 5As shown, it includes: a medium cavity 17 is arranged in the inner wall of the heat dissipation pipe 15, and the interior of the medium cavity 17 is heat-conducting oil, a heat-conducting glue 16 penetrates the outer surface of the heat dissipation pipe 15 and extends to the inside of the medium cavity 17 to contact the heat-conducting oil, and the heat-conducting glue 16 is made of rubber material. The medium cavity 17 is a cavity inside the heat dissipation pipe 15, and its main function is to serve as a storage warehouse for the heat-conducting oil so that the heat-conducting oil can transfer heat. The heat-conducting glue 16 penetrates the outer surface of the heat dissipation pipe 15 and extends to the inside of the medium cavity 17 to contact the heat-conducting oil, and its main function is to enhance the thermal conductivity connectivity between the liquid temperature and the medium cavity 17, which can more efficiently transfer the heat in the liquid through the heat-conducting oil in the medium cavity 17, and the microgroove 18 is opened inside the heat dissipation pipe 15, and the microgroove 18 opened is in closer contact with the medium cavity 17, so as to improve the heat transfer and dissipation when the liquid contacts the microgroove 18.

[0051] Working principle: by connecting the external sulfuric acid fume to the air inlet pipe 2 of the equipment and starting the circulation pump 14, the fume first contacts the dust filter 5 and the activated carbon layer 6, which can filter the dust particles in the fume and adsorb and remove the organic matter in the sulfuric acid fume, so that the sulfuric acid fume is initially purified, and then enters the through pipe 9 through the air pipe 8. At the same time, the circulation pump 14 transports the liquid to the through pipe 9 through the heat dissipation pipe 15, and through the circulation of the liquid, it can guide the fume to quickly enter the air pipe 8 and mix with the liquid. At the same time, the circulation of the liquid will generate impact force, which will then impact the stirring blades 11 to drive the liquid to stir, thereby improving the reaction effect after the liquid and the fume are mixed. Since the through pipe 9 is designed in an "S" shape, the contact between the liquid and the fume is extended. During the contact time, the reacted liquid and gas contact the hollow polygonal ball 13 downward through the discharge port 12, so that the liquid forms droplets and adheres to the hollow polygonal ball 13, thereby separating from the flue gas. The purified flue gas enters the next step through the exhaust pipe 3, and the droplets are transported to the unreacted flue gas through the circulation pump. When the liquid contacts the hot flue gas and gradually becomes hot, the liquid with heat contacts the wall of the microgroove 18 during the transportation through the heat dissipation pipe 15, thereby improving the heat transfer to the heat transfer oil inside the medium cavity 17. The heat transfer oil conducts the heat to the thermal conductive adhesive 16, so that the heat is transferred to the external thermal conductive adhesive part along the thermal conductive adhesive 16, and contacts with the air to dissipate the heat into the air, thereby improving the effect of the liquid forming droplets.

[0052] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A sulfuric acid flue gas purifier, characterized in that: include: The shell (1) is the main body of the sulfuric acid fume purifier; A through pipe (9) fixed in the middle of the housing (1); A rotating shaft (10) rotatably disposed inside the through pipe (9); A stirring blade (11), which is fixed to the outer surface of the rotating shaft (10); A circulation pump (14) installed at the lower part of the housing (1); A heat dissipation pipe (15), which is connected to the delivery end of the circulation pump (14); A medium cavity (17) arranged on the inner wall of the heat dissipation pipe (15); A heat-conducting adhesive (16) which penetrates the outer surface of the heat dissipation pipe (15) and extends to the interior of the medium cavity (17); The micro groove (18) is opened inside the heat dissipation pipe (15).

2. The sulfuric acid fume purifier according to claim 1, characterized in that: The housing (1) further comprises: An air intake pipe (2) passing through the top of the housing (1); An air outlet pipe (3) and a discharge pipe (4), which are connected to one side of the housing (1); The dustproof filter (5) and the activated carbon layer (6) are both arranged above the interior of the shell (1).

3. The sulfuric acid fume purifier according to claim 1, characterized in that: The housing (1) further comprises: a partition (7) fixed inside the housing (1); an air pipe (8) which penetrates through the bottom of the partition (7) and extends into the interior of the through pipe (9); A discharge port (12) which passes through the bottom of the through pipe (9); A hollow multifaceted ball (13) is fixed inside the housing (1), and the hollow multifaceted ball (13) is located between the through pipe (9) and the circulation pump (14).

4. The sulfuric acid fume purifier according to claim 2, characterized in that: The housing (1) further comprises: The dustproof filter (5) is located above the activated carbon layer (6), and the dustproof filter (5) and the activated carbon layer (6) are designed in a "V" shape.

5. The sulfuric acid fume purifier according to claim 3, characterized in that: The housing (1) further comprises: The through pipe (9) is designed to be "S"-shaped in cross-section, and the multiple groups of discharge ports (12) that penetrate the bottom of the through pipe (9) are arranged equidistantly from left to right.

6. The sulfuric acid fume purifier according to claim 1, characterized in that: The housing (1) further comprises: The thermal conductive adhesive (16) is provided in multiple groups, and the thermal conductive adhesive (16) is arranged equidistantly from top to bottom, and the thermal conductive adhesive (16) is made of rubber.

7. The sulfuric acid fume purifier according to claim 1, characterized in that: The housing (1) further comprises: The heat dissipation pipe (15) is made of copper material, and the medium in the medium cavity (17) arranged inside the heat dissipation pipe (15) is heat-conducting oil.

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