Purification mechanism capable of circularly purifying for sludge treatment equipment

Abstract

The utility model discloses a purification mechanism for sludge treatment equipment capable of circularly purifying, which is characterized in that the top of a heating box is connected with an air inlet of a fan through a conveying air pipe, an air outlet of the fan is connected with a cooling pipe, and the other end of the cooling pipe is connected with an exhaust hood; an electrostatic adsorption net and an activated carbon adsorption net are sequentially arranged in the purification box and located below the exhaust hood, a gas detector is arranged in the gas collecting hood, the gas collecting hood is connected with a conveying pipe, a first control valve used in cooperation with the conveying pipe is installed in the conveying pipe, and the conveying pipe communicates with a circulating pipe; a second control valve matched with the circulating pipe is installed in the circulating pipe, and the air outlet end of the circulating pipe is located above the electrostatic adsorption net. According to the purification mechanism for the sludge treatment equipment capable of circularly purifying, in order to solve the problem that an existing sludge treatment purification device cannot circularly purify waste gas, a gas detector is arranged in a gas collecting hood, and the gas collecting hood is connected with a conveying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a purification mechanism for sludge treatment equipment capable of circulating purification. Background Art

[0002] With the acceleration of my country's urbanization process and the improvement of people's living standards, the amount of residual sludge generated by urban sewage treatment plants is also increasing.

[0003] After searching, it is found that in the prior art, such as publication number CN209226817U, a new type of sludge treatment and purification device is provided, including a heating box, a cooling pipe and a purification box, a second fixed pipe is installed at the top of the heating box, and the second fixed pipe runs through the top plate of the heating box, a second conduit is connected to the top of the second fixed pipe, a third conduit is connected to the top of the second conduit, an air valve is installed at one end of the third conduit, the other end of the third conduit is connected to one end of the cooling pipe, the other end of the cooling pipe is connected to the fourth conduit, and one end of the fourth conduit is connected to one side of the bottom end of the purification box. The utility model promotes the extraction of moisture and gas from the sludge by heating, extracts moisture through the cooling pipe, purifies the air in the purification box, and finally discharges the clean air, and purifies the sludge in an integrated manner. After the sludge is purified of moisture and air, the dry sludge is convenient for the next purification process, and promotes the process of sludge purification. It combines the two purification processes of removing moisture and air purification, which is safe, practical and highly feasible.

[0004] In summary, the existing sludge treatment and purification devices are safe, practical and highly feasible, but the existing sludge treatment and purification devices are unable to circulate and purify the waste gas, and often discharge the unpurified waste gas to the outside, causing environmental pollution. Therefore, a purification mechanism for sludge treatment equipment that can circulate and purify is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a purification mechanism for sludge treatment equipment that can be circulated and purified, so as to solve the problem that the existing sludge treatment purification device proposed in the above background technology cannot circulate and purify the waste gas, and often discharges the unpurified waste gas to the outside, causing environmental pollution.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a purification mechanism for sludge treatment equipment that can be circulated and purified, including a heating box, a baffle installed inside the heating box, and the top of the heating box is connected to the fan air inlet through a conveying air duct, the fan air outlet is connected to a cooling pipe, and the other end of the cooling pipe is connected to an exhaust hood provided on the top of the inner side of the purification box, an electrostatic adsorption net and an activated carbon adsorption net are sequentially arranged inside the purification box and below the exhaust hood, an air collecting hood is installed below the activated carbon adsorption net, and a gas detector is arranged inside the air collecting hood, the air collecting hood is connected to the conveying pipe, and the air outlet end of the conveying pipe is located outside the purification box, a first control valve for use therewith is installed inside the conveying pipe, and the conveying pipe is connected to a circulation pipe, a second control valve matching it is installed inside the circulation pipe, and the air outlet end of the circulation pipe is located above the electrostatic adsorption net.

[0007] Preferably, a feed port is installed on one side of the top of the heating box, and a valve matching the feed port is arranged inside the feed port, and a box door is installed on one side of the heating box.

[0008] Through the above technical solution: it is convenient for materials to enter and discharge.

[0009] Preferably, an installation groove is provided on the inner wall of the heating box, a heating rod is provided inside the installation groove, and a heat conducting plate is provided outside the heating rod.

[0010] Through the above technical solution, it is convenient to heat the sludge.

[0011] Preferably, the lower end of the cooling pipe is connected to the water collecting tank, and the bottom end of the water collecting tank is connected to a water collecting box.

[0012] Through the above technical solution: it is convenient to collect cooling water.

[0013] Preferably, a controller is provided outside the purification box, and the controller is connected to the gas detector, the first control valve and the second control valve.

[0014] Through the above technical solution: it is easy to control the equipment.

[0015] Preferably, a maintenance door is provided on one side of the purification box, and support legs are symmetrically installed on the bottom of the purification box.

[0016] Through the above technical solution: it is easy to maintain later.

[0017] Compared with the prior art, the beneficial effects of the utility model are: the purification mechanism for the sludge treatment equipment that can be circulated and purified, the device is to solve the problem that the existing sludge treatment purification device cannot circulate and purify the waste gas, and often discharges the unpurified waste gas to the outside, causing pollution to the environment. A gas detector is arranged inside the gas collecting hood, the gas collecting hood is connected to the delivery pipe, and the gas outlet end of the delivery pipe is located outside the purification box, a first control valve for use with it is installed inside the delivery pipe, and the delivery pipe is connected to the circulation pipe, a second control valve matching it is installed inside the circulation pipe, and the gas outlet end of the circulation pipe is located above the electrostatic adsorption net, the gas detector can detect the purified gas, if the detection is qualified, the first control valve is opened, and the purified gas is discharged to the outside of the purification box through the delivery pipe, if the detection is unqualified, the second control valve is opened, and the gas passes through the circulation pipe to enter the electrostatic adsorption net again for circulation purification. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall front view cross-sectional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the overall front view structure of the utility model;

[0020] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 This is a schematic diagram of the internal structure of the purification box of the utility model.

[0022] In the figure: 1. heating box; 101. feed inlet; 102. box door; 103. heating rod; 104. heat conduction plate; 2. conveying air duct; 201. fan; 202. cooling pipe; 2021. water collecting tank; 2022. water collecting box; 203. purification box; 2031. controller; 2032. maintenance door; 204. exhaust hood; 205. electrostatic adsorption net; 206. activated carbon adsorption net; 207. gas collecting hood; 2071. gas detector; 208. conveying pipe; 2081. first control valve; 209. circulation pipe; 2091. second control valve. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4The utility model provides a technical solution: a purification mechanism for sludge treatment equipment that can be circulated and purified, a baffle is installed inside the heating box 1, and the top of the heating box 1 is connected to the air inlet of the fan 201 through the conveying air duct 2, the air outlet of the fan 201 is connected to the cooling pipe 202, and the other end of the cooling pipe 202 is connected to the exhaust hood 204 provided on the inner top of the purification box 203.

[0025] In a further embodiment, a feed port 101 is installed on one side of the top of the heating box 1 , and a valve matching the feed port 101 is arranged inside the feed port 101 , and a box door 102 is installed on one side of the heating box 1 .

[0026] In a further embodiment, a mounting groove is provided on the inner wall of the heating box 1 , a heating rod 103 is provided inside the mounting groove, and a heat conducting plate 104 is provided outside the heating rod 103 .

[0027] In a further embodiment, a dust prevention device is provided inside the fan 201 to reduce the impact of dust in the gas on the fan 201 .

[0028] Specifically, the lower end of the cooling pipe 202 is connected to the water collecting tank 2021 , and the bottom end of the water collecting tank 2021 is connected to the water collecting box 2022 .

[0029] Specifically, an electrostatic adsorption net 205 and an activated carbon adsorption net 206 are arranged in sequence inside the purification box 203 and below the exhaust hood 204, a gas collecting hood 207 is installed below the activated carbon adsorption net 206, and a gas detector 2071 is arranged inside the gas collecting hood 207, the gas collecting hood 207 is connected to the delivery pipe 208, and the gas outlet end of the delivery pipe 208 is located outside the purification box 203, a first control valve 2081 is installed inside the delivery pipe 208 for use therewith, and the delivery pipe 208 is connected to the circulation pipe 209, a second control valve 2091 matching it is installed inside the circulation pipe 209, and the gas outlet end of the circulation pipe 209 is located above the electrostatic adsorption net 205.

[0030] In a further embodiment, a controller 2031 is disposed outside the purification box 203 , and the controller 2031 is connected to the gas detector 2071 , the first control valve 2081 , and the second control valve 2091 .

[0031] In a further embodiment, a maintenance door 2032 is provided on one side of the purification box 203 , and support legs are symmetrically installed on the bottom of the purification box 203 .

[0032] When in use, the sludge with the reactant is added into the heating box 1 through the feed port 101, and the heating box 1 is heated by the heating rod 103 to promote the reaction between the reactant and the sludge. The gas generated by the heating enters the conveying air duct 2 through the baffle under the action of the fan 201. The setting of the baffle can prevent large particles of impurities from entering the conveying air duct 2. Under the action of the fan 201, the exhaust gas enters the water in the liquefied gas in the cooling tube 202, and the water generated by the condensation enters the water collecting box 222 through the water collecting tank 221. The condensed gas The body enters the purification box 203, the electrostatic adsorption net 205 adsorbs dust in the exhaust gas, the activated carbon adsorption net 206 adsorbs odor in the exhaust gas, and the purified gas enters the gas collecting hood 207. The gas detector 2071 can detect the purified gas. If the test is qualified, the first control valve 2081 is opened and the purified gas is discharged to the outside of the purification box 203 through the delivery pipe 208. If the test is unqualified, the second control valve 2091 is opened, and the gas enters the electrostatic adsorption net 205 again through the circulation pipe 209 for circulation purification.

[0033] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0034] 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 purification mechanism for a sludge treatment device capable of circulating purification, comprising a heating box (1), characterized in that: A baffle is installed inside the heating box (1), and the top of the heating box (1) is connected to the air inlet of the fan (201) through the air delivery duct (2), the air outlet of the fan (201) is connected to the cooling pipe (202), and the other end of the cooling pipe (202) is connected to an exhaust hood (204) provided on the top of the inner side of the purification box (203), and an electrostatic adsorption net (205) and an activated carbon adsorption net (206) are sequentially arranged inside the purification box (203) and below the exhaust hood (204), and an air collection hood (207) is installed below the activated carbon adsorption net (206). ), and a gas detector (2071) is arranged inside the gas collecting hood (207), the gas collecting hood (207) is connected to the delivery pipe (208), and the gas outlet end of the delivery pipe (208) is located outside the purification box (203), the delivery pipe (208) is installed with a first control valve (2081) used in conjunction with it, and the delivery pipe (208) is connected to the circulation pipe (209), the circulation pipe (209) is installed with a second control valve (2091) matched with it, and the gas outlet end of the circulation pipe (209) is located above the electrostatic adsorption net (205).

2. A purification mechanism for sludge treatment equipment capable of recycling and purification according to claim 1, characterized in that: A feed port (101) is installed on one side of the top of the heating box (1), and a valve matching the feed port (101) is arranged inside the feed port (101), and a box door (102) is installed on one side of the heating box (1).

3. The purification mechanism for sludge treatment equipment capable of recycling and purification according to claim 1, characterized in that: The inner wall of the heating box (1) is provided with a mounting groove, a heating rod (103) is arranged inside the mounting groove, and a heat conducting plate (104) is arranged outside the heating rod (103).

4. The purification mechanism for sludge treatment equipment capable of recycling and purification according to claim 1, characterized in that: The lower end of the cooling pipe (202) is connected to the water collecting tank (2021), and the bottom end of the water collecting tank (2021) is connected to a water collecting box (2022).

5. The purification mechanism for sludge treatment equipment capable of recycling and purification according to claim 1, characterized in that: A controller (2031) is arranged outside the purification box (203), and the controller (2031) is connected to a gas detector (2071), a first control valve (2081) and a second control valve (2091).

6. The purification mechanism for sludge treatment equipment capable of recycling and purification according to claim 1, characterized in that: A maintenance door (2032) is provided on one side of the purification box (203), and support legs are symmetrically installed on the bottom of the purification box (203).

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