Dust removal and desulfurization equipment for coke oven flue gas

Abstract

The utility model discloses dust removal and desulfurization equipment for coke oven flue gas. The dust removal and desulfurization equipment comprises a reciprocating mechanism and a driving motor mounted in the reciprocating mechanism, a desulfurization mechanism and a water pump mounted on one side of the desulfurization mechanism are arranged on one side of the reciprocating mechanism; the reciprocating mechanism comprises a base, a dust removal chamber is fixedly connected to the top end of the base, an air inlet pipe is fixedly connected to one side of the top of the dust removal chamber, and a fixing plate is fixedly connected to the inner wall of the top end of the dust removal chamber; one side of the fixing plate is fixedly connected with a driving motor, and the output end of the driving motor penetrates through the fixing plate and is fixedly connected with a first connecting rod; by arranging the reciprocating mechanism, most dust in flue gas can be quickly discharged, meanwhile, a net plate can be cleaned, the situation that the filtering effect is reduced due to the fact that the net plate is blocked is avoided, sulfur dioxide in the flue gas can be uniformly and quickly absorbed by arranging the desulfurization mechanism, and the desulfurization efficiency is improved. The pollution to the environment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coke oven flue gas treatment, in particular to dust removal and desulfurization equipment for coke oven flue gas. Background Art

[0002] Coke oven flue gas is a mixture of gas and smoke, and is the main cause of air pollution in residential areas. The composition of the flue gas is very complex, including sulfur dioxide, carbon monoxide, carbon dioxide and hydrocarbons. In the process of chemical production, in order to ensure that the coke oven flue gas can meet the emission standards, it is usually necessary to use ammonia water to desulfurize and remove dust from the flue gas.

[0003] Announcement No. CN209630973U discloses a desulfurization and dust removal device for coke oven flue gas. By setting an infusion sleeve, a nozzle and a liquid inlet pipe, ammonia water can be evenly sprayed during the flue gas desulfurization process, ensuring that ammonia water can fully contact sulfur dioxide and dust in the flue gas, so that ammonia water and sulfur dioxide in the flue gas can react thoroughly, thereby improving the desulfurization effect of the device. However, the patent still has the following problems in actual use:

[0004] Although the desulfurization and dust removal device for coke oven flue gas sprays ammonia water evenly through the nozzle, so that the ammonia water and sulfur dioxide in the flue gas can react thoroughly, thereby improving the desulfurization effect of the device, the dust in the flue gas is not processed, and the emission of flue gas is likely to pollute the air.

[0005] A dust removal and desulfurization device for coke oven flue gas is proposed to solve the above-mentioned problems. Utility Model Content

[0006] The purpose of the utility model is to provide a dust removal and desulfurization device for coke oven flue gas, so as to solve the problem proposed in the above background technology that ammonia water is currently sprayed evenly through a nozzle so that ammonia water and sulfur dioxide in the flue gas can react thoroughly, thereby improving the desulfurization effect of the device, but the dust in the flue gas is not processed, and the emission of flue gas is easy to pollute the air.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dust removal and desulfurization device for coke oven flue gas, comprising a reciprocating mechanism and a driving motor installed inside the reciprocating mechanism;

[0008] A desulfurization mechanism is provided on one side of the reciprocating mechanism, and a water pump is installed on one side of the desulfurization mechanism;

[0009] Also includes:

[0010] The reciprocating mechanism comprises a base, the top of the base is fixedly connected to a dust removal chamber, one side of the top of the dust removal chamber is fixedly connected to an air inlet pipe, and the inner wall of the top of the dust removal chamber is fixedly connected to a fixing plate;

[0011] One side of the fixing plate is fixedly connected to the driving motor, and the output end of the driving motor passes through the fixing plate and is fixedly connected to the first connecting rod;

[0012] Wherein, one end of the first connecting rod away from the driving motor is rotatably connected to the second connecting rod, and one end of the second connecting rod away from the first connecting rod is rotatably connected to the gear.

[0013] Preferably, one side of the gear is meshedly connected with a first rack, one side of the first rack is fixedly connected to a fixed plate, the other side of the gear is meshedly connected with a second rack, and a first limiting groove is provided on one side of the fixed plate close to the second rack.

[0014] Preferably, a first cylinder is slidably connected inside the first limiting groove, one end of the first cylinder is fixedly connected to the second rack, and a second limiting groove is formed on a side of the fixing plate away from the first limiting groove.

[0015] Preferably, a second cylinder is slidably connected inside the second limiting groove, one end of the second cylinder is fixedly connected to the gear, a mesh plate is fittedly connected to the side of the second rack away from the gear, the outer side of the mesh plate is snap-connected to the dust removal chamber, and a slag discharge pipe is fixedly connected to the left and right sides of the dust removal chamber close to the mesh plate.

[0016] Preferably, the desulfurization mechanism comprises a water reservoir, the top of the water reservoir is fixedly connected to a desulfurization chamber, one side of the top of the desulfurization chamber is fixedly connected to a ventilation pipe, and one end of the ventilation pipe away from the desulfurization chamber is fixedly connected to the dust removal chamber.

[0017] Preferably, one side of the water reservoir is fixedly connected to the input end of the water pump, the output end of the water pump is fixedly connected to a water pipe, the outside of the water pipe is fixedly connected to a high-pressure nozzle, the side of the water reservoir away from the water pump is fixedly connected to a fixed block, and one side of the bottom end of the desulfurization chamber is fixedly connected to an outlet pipe.

[0018] Preferably, a through hole is opened inside the fixed block, one end of the through hole is fixedly connected to a stopper, one side of the stopper is fitly connected to a baffle, a side of the baffle away from the stopper is fixedly connected to a connecting block, one end of the connecting block is sleeved with a spring, the other end of the connecting block is snap-connected with a sealing ring, and the outer side of the sealing ring is fitly connected to the through hole.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the dust removal and desulfurization equipment for coke oven flue gas can not only quickly discharge most of the dust in the flue gas by setting a reciprocating mechanism, but also clean the mesh plate to avoid mesh plate blockage and reduce the filtering effect. By setting a desulfurization mechanism, sulfur dioxide in the flue gas can be evenly and quickly absorbed to reduce pollution to the environment. The specific contents are as follows:

[0020] 1. By setting up a reciprocating mechanism, not only can most of the dust in the flue gas be discharged quickly, but also the mesh plate can be cleaned to avoid clogging of the mesh plate and reduce the filtering effect. The first connecting rod is driven by the driving motor to rotate, thereby driving the second connecting rod to rotate around the first connecting rod, and the second limiting groove is used to limit the gear, thereby driving the gear to move left and right in the horizontal direction. The meshing action between the first rack and the gear is used to drive the gear to rotate, and the meshing action between the gear and the second rack is used to drive the second rack to move left and right inside the first groove. The cooperation between the second rack and the mesh plate can clean the dust on the surface of the mesh plate to avoid clogging of the mesh plate.

[0021] 2. By setting up a desulfurization mechanism, the sulfur dioxide in the flue gas can be absorbed evenly and quickly to reduce pollution to the environment. The ammonia water in the water tank is evenly sprayed into the interior of the desulfurization chamber through a water pump through a high-pressure nozzle, so that the sulfur dioxide in the flue gas can fully react with the ammonia water to achieve the desulfurization effect. By utilizing the cooperation between the spring, the sealing ring and the block, the ammonia water in the water tank can be unidirectionally circulated, which is convenient for the replenishment of ammonia water in the water tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the front cross-section structure of the utility model;

[0023] Figure 2 This is an enlarged structural diagram of the fixed plate of the utility model;

[0024] Figure 3 This is a schematic diagram of the second rack moving structure of the utility model;

[0025] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0026] In the figure: 1. reciprocating mechanism; 101. base; 102. dust removal chamber; 103. air inlet pipe; 104. fixed plate; 105. driving motor; 106. first connecting rod; 107. second connecting rod; 108. gear; 109. first rack; 110. second rack; 111. first limiting groove; 112. first cylinder; 113. second limiting groove; 114. second cylinder; 115. mesh plate; 116. slag discharge pipe; 2. desulfurization mechanism; 201. water reservoir; 202. desulfurization chamber; 203. ventilation pipe; 204. water pump; 205. water pipe; 206. high-pressure nozzle; 207. fixed block; 208. through hole; 209. block; 210. baffle; 211. connecting block; 212. spring; 213. sealing ring; 214. air outlet pipe. DETAILED DESCRIPTION

[0027] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0028] See also Figure 1-4 The utility model provides a technical solution: a dust removal and desulfurization device for coke oven flue gas, comprising a reciprocating mechanism 1, and a driving motor 105 installed inside the reciprocating mechanism 1; a desulfurization mechanism 2 and a water pump 204 installed on one side of the desulfurization mechanism 2 are arranged on one side of the reciprocating mechanism 1; the reciprocating mechanism 1 comprises a base 101, a dust removal chamber 102 is fixedly connected to the top of the base 101, an air intake pipe 103 is fixedly connected to one side of the top of the dust removal chamber 102, a fixing plate 104 is fixedly connected to the inner wall of the top of the dust removal chamber 102, and the interior of the base 101 is connected to the dust removal chamber 102;

[0029] One side of the fixed plate 104 is fixedly connected to the driving motor 105. The output end of the driving motor 105 passes through the fixed plate 104 and is fixedly connected to the first connecting rod 106. The driving motor 105 drives the first connecting rod 106 to rotate.

[0030] One end of the first connecting rod 106 away from the driving motor 105 is rotatably connected to the second connecting rod 107, and one end of the second connecting rod 107 away from the first connecting rod 106 is rotatably connected to the gear 108, and the gear 108 is driven by the second connecting rod 107;

[0031] One side of the gear 108 is meshed with a first rack 109, one side of the first rack 109 is fixedly connected to the fixed plate 104, and the other side of the gear 108 is meshed with a second rack 110. A first limiting groove 111 is provided on one side of the fixed plate 104 close to the second rack 110. By providing the first limiting groove 111, the movement range of the second rack 110 can be limited;

[0032] A first cylinder 112 is slidably connected inside the first limiting groove 111, one end of the first cylinder 112 is fixedly connected to the second rack 110, and a second limiting groove 113 is provided on a side of the fixing plate 104 away from the first limiting groove 111. By providing the second limiting groove 113, the gear 108 can be restricted from rotating around the driving motor 105;

[0033] A second cylinder 114 is slidably connected inside the second limiting groove 113, one end of the second cylinder 114 is fixedly connected to the gear 108, a mesh plate 115 is fittedly connected to the side of the second rack 110 away from the gear 108, the outer side of the mesh plate 115 is engaged with the dust removal chamber 102, and the left and right sides of the dust removal chamber 102 close to the mesh plate 115 are fixedly connected to the slag discharge pipe 116, and a brush is provided on the side of the second rack 110 close to the mesh plate 115 to facilitate cleaning of the mesh plate 115;

[0034] The desulfurization mechanism 2 includes a water reservoir 201, the top of the water reservoir 201 is fixedly connected to a desulfurization chamber 202, one side of the top of the desulfurization chamber 202 is fixedly connected to a vent pipe 203, and one end of the vent pipe 203 away from the desulfurization chamber 202 is fixedly connected to the dust removal chamber 102. The water reservoir 201 is provided to facilitate the reuse of excess ammonia water.

[0035] One side of the water reservoir 201 is fixedly connected to the input end of the water pump 204, the output end of the water pump 204 is fixedly connected to a water pipe 205, the outer side of the water pipe 205 is fixedly connected to a high-pressure nozzle 206, the side of the water reservoir 201 away from the water pump 204 is fixedly connected to a fixed block 207, and one side of the bottom end of the desulfurization chamber 202 is fixedly connected to an outlet pipe 214. The more the number of high-pressure nozzles 206 is, the more uniform the ammonia water is sprayed;

[0036] A through hole 208 is provided inside the fixed block 207, one end of the through hole 208 is fixedly connected to a stopper 209, one side of the stopper 209 is fittedly connected to a baffle 210, and the side of the baffle 210 away from the stopper 209 is fixedly connected to a connecting block 211, one end of the connecting block 211 is sleeved with a spring 212, and the other end of the connecting block 211 is snap-connected to a sealing ring 213, the outer side of the sealing ring 213 is fittedly connected to the through hole 208, and the cooperation among the spring 212, the sealing ring 213 and the stopper 209 can realize one-way flow of ammonia water in the water reservoir 201, thereby facilitating the replenishment of ammonia water in the water reservoir 201.

[0037] Working principle: Before using this kind of coke oven flue gas dust removal and desulfurization equipment, it is necessary to check the overall condition of the device to ensure that it can work normally. Figure 1 - Figure 4 As shown, firstly, the water pipe is matched with the fixing block, and the spring 212 is compressed by water pressure, so that the sealing ring 213 is separated from the through hole 208, so that the ammonia water in the water pipe can flow into the water reservoir 201;

[0038] Then, the smoke is passed into the dust removal chamber 102, and the smoke is filtered through the mesh plate 115 to absorb a large amount of dust particles in the smoke. In order to avoid clogging of the internet bar 115, the motor 105 is started to drive the first connecting rod 106 to rotate, thereby driving the second connecting rod 107 to rotate around the first connecting rod, and utilizing the limiting effect of the second limiting groove 113 on the gear 108, thereby driving the gear 108 to move left and right in the horizontal direction, utilizing the meshing effect between the first rack 109 and the gear 108, thereby driving the gear 108 to rotate, utilizing the meshing effect between the gear 108 and the second rack 110, thereby driving the second rack 110 to move left and right inside the first groove 111, and utilizing the cooperation between the second rack 110 and the mesh plate 115 to clean the dust on the surface of the mesh plate 115;

[0039] Finally, the flue gas is discharged into the desulfurization chamber 202 through the ventilation pipe 203, and the water pump 204 is started to spray the ammonia water in the water reservoir 201 evenly into the interior of the desulfurization chamber 202 through the high-pressure nozzle 206, so that the sulfur dioxide in the flue gas can fully react with the ammonia water to achieve the desulfurization effect.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A dust removal and desulfurization device for coke oven flue gas, comprising a reciprocating mechanism (1), and a driving motor (105) installed inside the reciprocating mechanism (1); A desulfurization mechanism (2) is provided on one side of the reciprocating mechanism (1), and a water pump (204) is installed on one side of the desulfurization mechanism (2); It is characterized in that Also includes: The reciprocating mechanism (1) comprises a base (101), the top of the base (101) is fixedly connected to a dust removal chamber (102), one side of the top of the dust removal chamber (102) is fixedly connected to an air intake pipe (103), and the inner wall of the top of the dust removal chamber (102) is fixedly connected to a fixing plate (104); One side of the fixed plate (104) is fixedly connected to the driving motor (105), and the output end of the driving motor (105) passes through the fixed plate (104) and is fixedly connected to the first connecting rod (106); One end of the first connecting rod (106) away from the driving motor (105) is rotatably connected to the second connecting rod (107), and one end of the second connecting rod (107) away from the first connecting rod (106) is rotatably connected to the gear (108).

2. The dust removal and desulfurization equipment for coke oven flue gas according to claim 1, characterized in that: One side of the gear (108) is meshedly connected with a first rack (109), one side of the first rack (109) is fixedly connected to a fixed plate (104), the other side of the gear (108) is meshedly connected with a second rack (110), and a first limiting groove (111) is provided on a side of the fixed plate (104) close to the second rack (110).

3. A dust removal and desulfurization equipment for coke oven flue gas according to claim 2, characterized in that: A first cylinder (112) is slidably connected inside the first limiting groove (111), one end of the first cylinder (112) is fixedly connected to the second rack (110), and a second limiting groove (113) is provided on a side of the fixing plate (104) away from the first limiting groove (111).

4. A dust removal and desulfurization equipment for coke oven flue gas according to claim 3, characterized in that: A second cylinder (114) is slidably connected inside the second limiting groove (113); one end of the second cylinder (114) is fixedly connected to the gear (108); a mesh plate (115) is fittedly connected to the side of the second rack (110) away from the gear (108); the outer side of the mesh plate (115) is snap-fittedly connected to the dust removal chamber (102); and a slag discharge pipe (116) is fixedly connected to the left and right sides of the dust removal chamber (102) close to the mesh plate (115).

5. The dust removal and desulfurization equipment for coke oven flue gas according to claim 1, characterized in that: The desulfurization mechanism (2) comprises a water reservoir (201), the top of the water reservoir (201) is fixedly connected to a desulfurization chamber (202), one side of the top of the desulfurization chamber (202) is fixedly connected to a ventilation pipe (203), and one end of the ventilation pipe (203) away from the desulfurization chamber (202) is fixedly connected to a dust removal chamber (102).

6. The dust removal and desulfurization equipment for coke oven flue gas according to claim 5, characterized in that: One side of the water reservoir (201) is fixedly connected to the input end of the water pump (204); the output end of the water pump (204) is fixedly connected to a water pipe (205); the outer side of the water pipe (205) is fixedly connected to a high-pressure nozzle (206); the side of the water reservoir (201) away from the water pump (204) is fixedly connected to a fixed block (207); and one side of the bottom end of the desulfurization chamber (202) is fixedly connected to an outlet pipe (214).

7. The dust removal and desulfurization equipment for coke oven flue gas according to claim 6, characterized in that: A through hole (208) is provided inside the fixed block (207); a stopper (209) is fixedly connected to one end of the through hole (208); a baffle (210) is closely connected to one side of the stopper (209); a connecting block (211) is fixedly connected to the side of the baffle (210) away from the stopper (209); a spring (212) is sleeved on one end of the connecting block (211); a sealing ring (213) is snap-connected to the other end of the connecting block (211); and the outer side of the sealing ring (213) is closely connected to the through hole (208).

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