Electroplating sludge reduction treatment equipment and system

Abstract

The utility model provides electroplating sludge reduction treatment equipment and system. The electroplating sludge reduction treatment equipment comprises a sludge concentration tank, an oxidation membrane rupture reaction mechanism, a sludge dewatering machine, a sludge crusher and a volatilization chamber. And the oxidation membrane rupture reaction mechanism is communicated with the sludge concentration tank. And the sludge dehydrator is communicated with the oxidation membrane rupture reaction mechanism. An input port of the sludge crusher is communicated with the sludge dehydrator, and an output port of the sludge crusher is used for outputting sludge. The volatilization chamber is provided with a blower nozzle and an airing cavity which are communicated with each other, the blower nozzle is used for blowing air towards the airing cavity, the airing cavity is used for airing sludge, and the blower nozzle and the sludge are arranged in an avoiding manner. According to the electroplating sludge reduction treatment equipment, the loss of heat energy can be effectively reduced, and the treatment efficiency is relatively high.

Description

TECHNICAL FIELD

[0001] The utility model relates to sludge treatment technical field especially relates to a kind of electroplating sludge reduction treatment equipment and system. BACKGROUND

[0002] The core purpose of sludge reduction treatment is to reduce the volume and weight of sludge, which not only helps to reduce the treatment cost of sludge, but also reduces the pollution of sludge treatment to the environment. Among them, the heat drying has better treatment effect. Specifically, the moisture in the sludge is evaporated by heating to reduce the water content. The heat drying can reduce the water content from 70% to below 10%, and the final solid content is between 60% and 95%. This method can effectively reduce the volume and weight of sludge, facilitate transportation and storage, and the dried sludge has good stability, reducing the risk of odor and pathogens. For example, the utility model patent application with application number CN202021693367.3 mentioned that in order to realize the effective removal of water content in sludge, the temperature of the heat sealing dryer is set high, and the hot air directly contacts the sludge for high-temperature heating, which easily causes the cracking of organic matter in the sludge, increases the difficulty of subsequent treatment, and greatly increases the operating cost. The utility model patent application uses a circulating mode in the condensing chamber, heating chamber, drying box and evaporation heat recovery device to reduce the water content in the sludge at a lower temperature, but it still needs more heat energy to dry the sludge, and the efficiency is low. UTILITY MODEL CONTENT

[0003] The utility model aims to overcome the deficiencies in the prior art, and provides an electroplating sludge reduction treatment equipment and system which can effectively reduce the loss of heat energy and has high treatment efficiency.

[0004] The utility model aims to overcome the deficiencies in the prior art, and provides an electroplating sludge reduction treatment equipment and system which can effectively reduce the loss of heat energy and has high treatment efficiency.

[0005] An electroplating sludge reduction treatment equipment comprises:

[0006] a sludge concentration tank;

[0007] an oxidation membrane-breaking reaction mechanism in communication with the sludge concentration tank;

[0008] a sludge dewatering machine in communication with the oxidation membrane-breaking reaction mechanism;

[0009] a sludge pulverizer, an input port of the sludge pulverizer being in communication with the sludge dewatering machine, and an output port of the sludge pulverizer being used for outputting sludge;

[0010] A volatilization chamber is provided with a blast opening and a drying cavity in communication, the blast opening is used to blow air to the drying cavity, the drying cavity is used to dry the sludge, and the blast opening is provided away from the sludge.

[0011] In one of the embodiments, the sludge concentration tank is a radial flow sludge concentration tank.

[0012] In one of the embodiments, the membrane-breaking oxidizing reaction mechanism comprises a membrane-breaking agent adding device and a membrane-breaking oxidizing reaction kettle, the membrane-breaking agent adding device is in communication with the membrane-breaking oxidizing reaction kettle, and the membrane-breaking oxidizing reaction kettle is in communication with the sludge dewatering machine.

[0013] In one of the embodiments, the membrane-breaking agent adding device comprises a membrane-breaking agent reservoir, a directing agent reservoir, and a coagulant reservoir, the membrane-breaking agent reservoir, the directing agent reservoir, and the coagulant reservoir are all in communication with the membrane-breaking oxidizing reaction kettle.

[0014] In one of the embodiments, the membrane-breaking agent reservoir is an ozone generator.

[0015] In one of the embodiments, the directing agent reservoir is a hydrogen peroxide container.

[0016] In one of the embodiments, the coagulant reservoir is a PAM container or a PAC container.

[0017] In one of the embodiments, the sludge dewatering machine is a belt sludge dewatering machine.

[0018] In one of the embodiments, the sludge pulverizer is a spiral pulverizer.

[0019] In one of the embodiments, at least one hanging rack is provided in the drying cavity, the hanging rack comprises a support, a rigid lattice, and a containing net, the support is located in the drying cavity, the support is connected to the rigid lattice, the rigid lattice is hung in the drying cavity through the support, the containing net is laid on one side of the rigid lattice and is provided away from the support, and the side of the containing net away from the rigid lattice is used to dry the sludge.

[0020] In one of the embodiments, the support is two sliding grooves provided on the inner wall of the drying cavity, the two sliding grooves are oppositely located on the two side walls of the drying cavity, the two sliding grooves extend along the horizontal direction, and the peripheral wall of the rigid lattice is at least partially and slidingly connected to the two sliding grooves, respectively.

[0021] An electroplating sludge reduction treatment system includes a transfer structure and the electroplating sludge reduction treatment equipment described in any of the above embodiments. The transfer structure is disposed between any two adjacent components of the sludge thickening tank, the oxidation membrane breaking reaction mechanism, the sludge dewatering machine, the sludge pulverizer, and the volatilization chamber, and the transfer structure is used to transfer the sludge.

[0022] Compared with the prior art, the present invention has at least the following advantages:

[0023] This utility model discloses an electroplating sludge reduction treatment device. The concentrated sludge formed in the sludge thickening tank initially removes free water from the sludge. Combined with an oxidation membrane-breaking reaction mechanism, this mechanism enables the symmetrical transfer of high-energy electrons of the oxidant at the sg and sl interfaces to the sludge cemented structure, thereby achieving the oxidative breakdown of the sludge floc structure and cell membrane. Specifically, the oxidation destroys the LB-EPS, cell walls, and cell membranes of the floc particles, releasing a large amount of bound water. The released bound water is then initially removed by a sludge dewatering machine, and further removed through a volatilization chamber for deeper removal of both bound and free water from the sludge. This effectively reduces the heat loss from sludge thermal sensitization and efficiently reduces the sludge moisture content to 10%–30%. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the structure of an electroplating sludge reduction treatment device according to one embodiment of the present invention.

[0026] Figure 2 for Figure 1 A partial view of the electroplating sludge reduction treatment equipment shown.

[0027] Figure 3 for Figure 1 Another partial view of the electroplating sludge reduction treatment equipment shown.

[0028] Figure 4 for Figure 1 A cross-sectional view of the electroplating sludge reduction treatment equipment shown.

[0029] Figure 5 for Figure 4 A magnified view of part A of the electroplating sludge reduction treatment equipment shown. Detailed Implementation

[0030] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0033] This application provides an electroplating sludge reduction treatment device. The aforementioned electroplating sludge reduction treatment device includes a sludge thickening tank, an oxidation film-breaking reaction mechanism, a sludge dewatering machine, a sludge pulverizer, and a volatilization chamber. The oxidation film-breaking reaction mechanism is connected to the sludge thickening tank. The sludge dewatering machine is connected to the oxidation film-breaking reaction mechanism. The inlet of the sludge pulverizer is connected to the sludge dewatering machine, and the outlet of the sludge pulverizer is used to discharge sludge. The volatilization chamber has a connected air inlet and a drying chamber. The air inlet is used to blow air towards the drying chamber, and the drying chamber is used to dry the sludge. The air inlet and the sludge are positioned away from each other.

[0034] The electroplating sludge reduction treatment equipment makes the concentrated sludge formed by the sludge thickening tank preliminarily remove free water in the sludge, cooperates with the use of the oxidation membrane breaking reaction mechanism, makes the high-energy state electrons of the oxidant in the s-g, s-l interface and the bonding orbital symmetry transfer of the sludge glue structure, and further realizes the oxidation breaking of the sludge bacteria glue ball structure and the bacteria cell membrane, that is, the LB-EPS, cell wall and cell membrane of the bacteria group particles are destroyed by oxidation, a large amount of bound water is released, and then the released bound water is preliminarily removed by the sludge dewatering machine, and further the bound water and free water in the sludge are deeply removed by the volatilization chamber, so that the loss of heat energy of sludge thermalization is reduced, and the water content of the sludge is reduced to 10% to 30% efficiently.

[0035] In order to better understand the electroplating sludge reduction treatment equipment of the present application, the electroplating sludge reduction treatment equipment of the present application is further explained as follows:

[0036] Please participate Figures 1 to 3 The electroplating sludge reduction treatment equipment 10 of an embodiment includes a sludge thickening tank 100, an oxidation membrane breaking reaction mechanism 200, a sludge dewatering machine 300, a sludge pulverizer 400 and a volatilization chamber 500. The oxidation membrane breaking reaction mechanism 200 is in communication with the sludge thickening tank 100. The sludge dewatering machine 300 is in communication with the oxidation membrane breaking reaction mechanism 200. The input port of the sludge pulverizer 400 is in communication with the sludge dewatering machine 300, and the output port of the sludge pulverizer 400 is used to output sludge. The volatilization chamber 500 is provided with a blast port 501 and a drying cavity 502 in communication. The blast port 501 is used to blow air towards the drying cavity 502, the drying cavity 502 is used to dry the sludge, and the blast port 501 is arranged away from the sludge.

[0037] The electroplating sludge reduction treatment equipment 10 makes the concentrated sludge formed by the sludge thickening tank 100 preliminarily remove free water in the sludge, cooperates with the use of the oxidation membrane breaking reaction mechanism 200, makes the high-energy state electrons of the oxidant in the s-g, s-l interface and the bonding orbital symmetry transfer of the sludge glue structure, and further realizes the oxidation breaking of the sludge bacteria glue ball structure and the bacteria cell membrane, that is, the LB-EPS, cell wall and cell membrane of the bacteria group particles are destroyed by oxidation, a large amount of bound water is released, and then the released bound water is preliminarily removed by the sludge dewatering machine 300, and further the bound water and free water in the sludge are deeply removed by the volatilization chamber 500, so that the loss of heat energy of sludge thermalization is reduced, and the water content of the sludge is reduced to 10% to 30% efficiently.

[0038] In one of the embodiments, the sludge concentration tank is a radial flow sludge concentration tank, which preferably ensures effective removal of free water in the sludge. It can be understood that the radial flow sludge concentration tank is a conventional radial flow sludge concentration tank used in sludge treatment, and the present application does not protect the specific structure of the radial flow sludge concentration tank, but only the positional relationship and connection relationship of the radial flow sludge concentration tank.

[0039] Please participate Figures 1 to 2 In one of the embodiments, the oxidative membrane-breaking reaction mechanism 200 includes a membrane-breaking agent adding device 210 and an oxidative membrane-breaking reaction kettle 220, the membrane-breaking agent adding device 210 is in communication with the oxidative membrane-breaking reaction kettle 220, and the oxidative membrane-breaking reaction kettle 220 is in communication with the sludge dewatering machine 300. Further, the membrane-breaking agent adding device 210 includes a membrane-breaking agent reservoir 211, a directing agent reservoir 212, and a coagulant reservoir 213, all of which are in communication with the oxidative membrane-breaking reaction kettle 220. Further, the membrane-breaking agent reservoir is an ozone generator. Further, the directing agent reservoir is a hydrogen peroxide container. Further, the coagulant reservoir is a PAM container or a PAC container. It can be understood that the oxidative membrane-breaking reaction kettle is a conventional reaction kettle used for oxidative membrane breaking of sludge, and the present application does not protect the specific structure of the oxidative membrane-breaking reaction kettle, but only the positional relationship and connection relationship of the oxidative membrane-breaking reaction kettle; the ozone generator is a conventional ozone generator used in sludge treatment, and the present application does not protect the specific structure of the ozone generator, but only the positional relationship and connection relationship of the ozone generator; the hydrogen peroxide container is a conventional container for storing hydrogen peroxide used in sludge treatment, and the present application does not protect the specific structure of the hydrogen peroxide container, but only the positional relationship and connection relationship of the hydrogen peroxide container; the PAM container is a conventional container for storing PAM coagulant used in sludge treatment, and the present application does not protect the specific structure of the PAM container, but only the positional relationship and connection relationship of the PAM container; the PAC container is a conventional container for storing PAC coagulant used in sludge treatment, and the present application does not protect the specific structure of the PAC container, but only the positional relationship and connection relationship of the PAC container

[0040] In one of the embodiments, the sludge dewatering machine is a belt type sludge dewatering machine, which effectively realizes effective removal of bound water released in the sludge. It can be understood that the belt type sludge dewatering machine is a conventional belt type sludge dewatering machine used in sludge treatment, and the present application does not protect the specific structure of the belt type sludge dewatering machine, but only the positional relationship and connection relationship of the belt type sludge dewatering machine.

[0041] In one of the embodiments, the sludge pulverizer is a spiral pulverizer, which preferably ensures effective pulverization of the sludge filter cake, and further preferably ensures rapid volatilization and air drying of the pulverized sludge in the volatilization chamber. It can be understood that the spiral pulverizer is a spiral pulverizer commonly used in sludge treatment, and the specific structure of the spiral pulverizer is not protected in the present application, but only the positional relationship and connection relationship of the spiral pulverizer are protected.

[0042] Please participate Figures 3 to 5 In one of the embodiments, at least one hanging rack 510 is arranged in the airing cavity 502, the hanging rack 510 includes a support 511, a rigid lattice 512, and a containing net 513, the support 511 is located in the airing cavity 502, the support 511 is connected to the rigid lattice 512, the rigid lattice 512 is suspended in the airing cavity 502 through the support 511, the containing net 513 is laid on one side of the rigid lattice 512 and is arranged away from the support 511, and the side of the containing net 513 away from the rigid lattice 512 is used for airing the sludge. It can be understood that if the output sludge is directly laid on the bottom surface for further air drying, it will cause a large accumulation thickness, low air drying efficiency, and ineffective removal of water in the sludge. Further, if the sludge needs to be turned over, it greatly increases the labor and material resources, or causes a large laying area and the site cannot realize air drying of a large amount of sludge. Therefore, in the present application, the sludge is accumulated on the containing net 513, so that the sludge at the bottom and the top is simultaneously air dried, and further, the number of the hanging racks 510 is multiple, the rigid lattices 512 of the multiple hanging racks 510 are suspended in the airing cavity 502 through the supports 511, which effectively reduces the floor area and saves the labor and material resources, and realizes rapid air drying of the sludge.

[0043] Please participate Figures 3 to 5 In one of the embodiments, the support 511 is two sliding grooves opened on the inner wall of the airing cavity 502, the two sliding grooves are oppositely located on the two side walls of the airing cavity 502, the two sliding grooves extend along the horizontal direction, and the peripheral wall of the rigid lattice 512 is at least partially and slidingly connected to the two sliding grooves, which preferably realizes stable suspension of the rigid lattice 512 in the airing cavity 502.

[0044] The present application also provides a sludge reduction treatment system. The above-mentioned sludge reduction treatment system includes a transfer structure and the sludge reduction treatment device of any one of the above-mentioned embodiments, the transfer structure is arranged between any adjacent two of the sludge concentration tank, the oxidation membrane breaking reaction mechanism, the sludge dewatering machine, the sludge pulverizer, and the volatilization chamber, and the transfer structure is used for transferring the sludge. Further, please participate Figures 1 to 3In the embodiment, the electroplating sludge reduction treatment device 10 comprises a sludge concentration tank 100, an oxidation membrane-breaking reaction mechanism 200, a sludge dewatering machine 300, a sludge pulverizer 400 and a volatilization chamber 500. The oxidation membrane-breaking reaction mechanism 200 is communicated with the sludge concentration tank 100. The sludge dewatering machine 300 is communicated with the oxidation membrane-breaking reaction mechanism 200. The input port of the sludge pulverizer 400 is communicated with the sludge dewatering machine 300, and the output port of the sludge pulverizer 400 is used for outputting sludge. The volatilization chamber 500 is provided with a blast port 501 and a drying cavity 502 communicated with each other, the blast port 501 is used for blowing air towards the drying cavity 502, the drying cavity 502 is used for drying sludge, and the blast port 501 is arranged away from the sludge.

[0045] The electroplating sludge reduction treatment system has the electroplating sludge reduction treatment device, and cooperates with the transfer structure to transfer sludge to the sludge concentration tank, the oxidation membrane-breaking reaction mechanism, the sludge dewatering machine, the sludge pulverizer and the volatilization chamber, so that the electroplating sludge reduction treatment device can effectively and stably treat sludge, and the water content of sludge can be reduced to 10% to 30% on the basis of reducing the loss of heat energy of sludge thermalization.

[0046] Compared with the prior art, the electroplating sludge reduction treatment device has at least the following advantages:

[0047] The electroplating sludge reduction treatment device 10 can remove free water in sludge preliminarily, and cooperates with the oxidation membrane-breaking reaction mechanism 200 to complete the symmetry transfer of high-energy-state electrons of an oxidizing agent to a bonding orbital of a sludge colloidal structure in the s-g and s-l interfaces, so that the oxidation and decomposition of a sludge bacterial colloidal structure and a bacterial cell membrane are realized, i.e. the LB-EPS, cell wall and cell membrane of a bacterial group particle are destroyed by oxidation, a large amount of bound water is released, the bound water is removed preliminarily by the sludge dewatering machine 300, and the bound water and free water in the sludge are deeply removed by the volatilization chamber 500, so that the loss of heat energy of sludge thermalization is reduced, and the water content of sludge can be reduced to 10% to 30%.

[0048] The above embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the utility model patent range. It should be pointed out that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the utility model, and these belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. An electroplating sludge reduction treatment device, characterized in that, include: sludge thickening tank; An oxidation membrane breaking reaction mechanism, which is connected to the sludge thickening tank; A sludge dewatering machine, wherein the sludge dewatering machine is connected to the oxidation membrane breaking reaction mechanism; A sludge pulverizer, wherein the input port of the sludge pulverizer is connected to the sludge dewatering machine, and the output port of the sludge pulverizer is used to output sludge; The evaporation chamber has a connected air inlet and a drying chamber. The air inlet is used to blow air toward the drying chamber, and the drying chamber is used to dry the sludge. The air inlet and the sludge are positioned away from each other.

2. The electroplating sludge reduction treatment equipment according to claim 1, characterized in that, The sludge thickening tank is a radial flow sludge thickening tank.

3. The electroplating sludge reduction treatment equipment according to claim 1, characterized in that, The oxidation membrane breaking reaction mechanism includes a membrane breaking agent adding device and an oxidation membrane breaking reaction vessel. The membrane breaking agent adding device is connected to the oxidation membrane breaking reaction vessel, and the oxidation membrane breaking reaction vessel is connected to the sludge dewatering machine.

4. The electroplating sludge reduction treatment equipment according to claim 3, characterized in that, The film-breaking agent addition device includes a film-breaking agent storage container, a directing agent storage container, and a coagulant storage container, all of which are connected to the oxidation film-breaking reactor.

5. The electroplating sludge reduction treatment equipment according to claim 4, characterized in that, The membrane-breaking agent reservoir is an ozone generator; and / or... The directing agent reservoir is a hydrogen peroxide container; and / or, The coagulant storage container is a PAM container or a PAC container.

6. The electroplating sludge reduction treatment equipment according to claim 1, characterized in that, The sludge dewatering machine is a belt sludge dewatering machine.

7. The electroplating sludge reduction treatment equipment according to claim 1, characterized in that, The sludge crusher is a spiral crusher.

8. The electroplating sludge reduction treatment equipment according to claim 1, characterized in that, At least one suspension frame is provided inside the drying chamber. The suspension frame includes a support member, a rigid grid, and a receiving net. The support member is located inside the drying chamber and is connected to the rigid grid. The rigid grid is suspended inside the drying chamber by the support member. The receiving net is laid on one side of the rigid grid and is positioned away from the support member. The side of the receiving net away from the rigid grid is used to dry the sludge.

9. The electroplating sludge reduction treatment equipment according to claim 8, characterized in that, The support consists of two sliding grooves formed on the inner wall of the drying chamber. The two sliding grooves are located opposite each other on the two side walls of the drying chamber and extend horizontally. At least part of the peripheral wall of the rigid grid is slidably connected to the two sliding grooves.

10. A system for reducing the volume of electroplating sludge, characterized in that, The device includes a transfer structure and an electroplating sludge reduction treatment device according to any one of claims 1 to 9, wherein the transfer structure is disposed between any two adjacent components of the sludge thickening tank, the oxidation membrane breaking reaction mechanism, the sludge dewatering machine, the sludge pulverizer, and the volatilization chamber, and the transfer structure is used to transfer the sludge.

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