CN211057238U - Chlorine dioxide preparation device - Google Patents
Chlorine dioxide preparation device Download PDFInfo
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- CN211057238U CN211057238U CN201922368403.2U CN201922368403U CN211057238U CN 211057238 U CN211057238 U CN 211057238U CN 201922368403 U CN201922368403 U CN 201922368403U CN 211057238 U CN211057238 U CN 211057238U
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- chlorine dioxide
- sodium chlorate
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Abstract
The utility model provides a chlorine dioxide preparation facilities belongs to chemical industry equipment technical field. The utility model integrates the main components such as the electrolytic cell, the gas-liquid separator, the sodium chlorate reaction tank, the chlorine dioxide reactor and the like into the outer frame after being miniaturized, does not need to be disassembled and assembled when needing to be transported, only needs to connect various feeding and storing devices or components after being put in place, and is very convenient to hoist and transport under the protection of the outer frame, thereby effectively avoiding the equipment damage; meanwhile, the sodium chlorate reaction tank is vertically arranged on one side of the electrolytic tank, and the gas-liquid separator and the chlorine dioxide reactor are arranged on the upper part of the electrolytic tank, so that the space can be reasonably utilized according to the shapes of all the parts, most of materials can be conveyed by utilizing gravity and a sodium chlorate solution feeding pump, the arrangement of a pumping device among all the parts can be reduced, the reduction of the whole volume and the simplification of the structure are facilitated, and the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of chemical industry equipment, more specifically say, relate to a chlorine dioxide preparation facilities.
Background
Chlorine dioxide is an internationally recognized broad-spectrum bactericide, the sterilizing effect of which is 2.63 times or even higher than that of liquid chlorine generally, and due to the characteristics of light, easy decomposition by heating and the like, chlorine dioxide is generally considered to be prepared and used only on site, and is used in occasions with small dosage, such as circulating cooling water sterilization and algae removal, sewage treatment process, tap water sterilization and the like. The traditional equipment for preparing chlorine dioxide is generally a chemical compound chlorine dioxide generator and a chemical pure chlorine dioxide generator. The method adopted by the equipment generally takes sodium chlorate and sodium chlorite as main raw materials, the raw materials are flammable and explosive dangerous goods, the storage and transportation processes are strictly controlled, the storage and transportation processes are serious potential safety hazard sources, and simultaneously, a large amount of byproducts are generated in the production process, or are discharged into the water body to be disinfected or are discharged for additional treatment, so that the secondary pollution of the water body to be treated or the environment is caused. Meanwhile, the proportion of the main raw material converted into chlorine dioxide is low. Moreover, the chlorine dioxide solution produced by the generator can not be stored, or the storage cost is high, and the complex addition process requirement is difficult to meet.
At present, the comprehensive PCCD method chlorine dioxide preparation technology combines an electrochemical method and a chemical method and combines electrolysis and chemical method for rechecking the generation of chlorine dioxide. No or little by-product or residual liquid is discharged in the production process. However, the mode needs more equipment, more nodes need to be controlled in the preparation process, and the equipment can only be built at a fixed position in a tower kettle manner, so that the cost is higher. Therefore, under the condition that the dosage is small or the adding is required to be moved, the disassembly and the assembly of the equipment are very inconvenient to move, and the damage of the equipment can be caused in the disassembly, the assembly and the transportation process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chlorine dioxide preparation facilities to solve the comprehensive method chlorine dioxide preparation that exists among the prior art with high costs, equipment remove inconvenient, probably because of the technical problem of dismouting transportation damage.
In order to achieve the above object, the utility model adopts the following technical scheme: providing a chlorine dioxide preparation device, which comprises an electrolytic tank, a gas-liquid separator, a sodium chlorate reaction tank, a chlorine dioxide reactor and an outer frame; the electrolytic cell is used for electrolyzing a sodium chloride solution to generate a sodium chlorate solution; the gas-liquid separator is arranged above the electrolytic bath, communicated with the upper part of the electrolytic bath and used for separating the electrolyzed hydrogen; the sodium chlorate reaction tank is vertically arranged on one side of the electrolytic cell, is communicated with the lower part of the electrolytic cell and is used for storing a sodium chlorate solution generated by the electrolytic cell; the chlorine dioxide reactor is arranged at a position higher than the electrolytic tank, the lower part of the chlorine dioxide reactor is lower than the upper part of the sodium chlorate reaction tank, the chlorine dioxide reactor is communicated with the sodium chlorate reaction tank through a sodium chlorate solution feeding pump, the chlorine dioxide reactor is provided with a hydrochloric acid inlet connected with a hydrochloric acid feeding pump and a lead-out port for leading out chlorine dioxide gas generated by the reaction of hydrochloric acid and the sodium chlorate solution, and the chlorine dioxide reactor is also communicated with the electrolytic tank through a control valve and is used for leading the reacted solution into the electrolytic tank; the outer frame is arranged outside the electrolytic tank, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor and is respectively connected with the electrolytic tank, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor.
In one embodiment of the utility model, the electrolytic cells are in series connected in groups, and each group of electrolytic cells is connected with the gas-liquid separator and the sodium chlorate reaction tank.
In one embodiment of the present invention, electrically controlled valves are disposed between the electrolytic cell and the gas-liquid separator, between the gas-liquid separator and the sodium chlorate reaction tank, between the sodium chlorate reaction tank and the chlorine dioxide reactor, and on the hydrochloric acid inlet.
In one embodiment of the present invention, the chlorine dioxide preparing apparatus further comprises a control box, the control box is disposed on one side of the outer frame, and a controller is disposed inside the control box and electrically connected to the electric control valve and the electrolytic cell respectively.
In one embodiment of the present invention, the electrolytic bath, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor are all provided with pressure sensors, and the pressure sensors are respectively electrically connected with the controller.
In one embodiment of the present invention, the chlorine dioxide preparation apparatus further comprises a water injector connected to the outlet of the chlorine dioxide reactor for mixing the chlorine dioxide generated by the chlorine dioxide reactor with water to form a chlorine dioxide solution.
In one embodiment of the utility model, the electrolytic bath, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor are respectively connected with the outer frame in a sliding way and are used for sliding outwards the outer frame; the electrolytic tank and the gas-liquid separator, the gas-liquid separator and the sodium chlorate reaction tank and the chlorine dioxide reactor are connected through flange pipes.
In one embodiment of the present invention, the outer frame is provided with slide ways corresponding to the positions of the electrolytic tank, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor, the slide ways are all inclined downwards along the direction close to the inside of the outer frame, and the slide ways are provided with pin holes.
In an embodiment of the present invention, the outer frame is provided with a hook or a beam for hooking the hoisting device.
In one embodiment of the utility model, the device also comprises a tail gas processor, a chlorine dioxide storage tank, a hydrochloric acid storage tank and a dosing pump; the tail gas processor is arranged outside the outer frame and is connected with a gas outlet of the gas-liquid separator; the chlorine dioxide storage tank is arranged outside the outer frame, is communicated with the outlet of the chlorine dioxide reactor and is used for storing chlorine dioxide solution; the hydrochloric acid storage tank is arranged outside the outer frame and used for storing hydrochloric acid; the dosing pump is electrically connected with the controller, is connected with the water injector and is used for dosing chlorine dioxide solution to the water body to be treated.
The utility model provides a chlorine dioxide preparation facilities's beneficial effect lies in: compared with the prior art, the utility model integrates the main components such as the electrolytic bath, the gas-liquid separator, the sodium chlorate reaction tank, the chlorine dioxide reactor and the like into the outer frame after being miniaturized, does not need to be disassembled and assembled when needing to be transported, only needs to be connected with various feeding and storing devices or components after being put in place, and is very convenient to hoist and transport under the protection of the outer frame, thus effectively avoiding the equipment damage; meanwhile, the sodium chlorate reaction tank is vertically arranged on one side of the electrolytic bath, and the gas-liquid separator and the chlorine dioxide reactor are arranged on the upper part of the electrolytic bath, so that the space can be reasonably utilized according to the shapes of all the parts, and most of materials can be conveyed by utilizing gravity and a sodium chlorate solution feeding pump, the arrangement of pumping devices among all the parts can be reduced, the reduction of the whole volume and the simplification of the structure are facilitated, and the cost is reduced; in addition, the structural arrangement is favorable for increasing the volume of the sodium chlorate reaction tank, the sodium chlorate reaction tank is equivalent to a sodium chlorate storage tank, the speed of the whole reaction process can be adjusted, the sodium chlorate generated by continuous electrolysis can be temporarily stored, when the chlorine dioxide is needed, a large amount of chlorine dioxide can be prepared by injecting hydrochloric acid after extraction, the waiting time is favorably reduced, and the preparation and use efficiency of the chlorine dioxide is improved. The utility model discloses very be suitable for the less occasion of quantity and disinfect algae removal and sewage treatment process, the on-the-spot preparation chlorine dioxide solution such as the sterilization of running water like the recirculated cooling water, can avoid other methods and use the storage of raw materials, transportation potential safety hazard like the chemical method, realize chlorine dioxide solution's storage, satisfy complicated medicine process (throw and throw with continuous throwing if the impact) requirement, the running cost is low.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of the operation and assembly process of a chlorine dioxide production plant according to an embodiment of the present invention;
fig. 2 is a schematic view of a chlorine dioxide producing apparatus according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of another view direction of a chlorine dioxide preparing device according to another embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. an outer frame; 20. an electrolytic cell; 30. a gas-liquid separator; 40. a sodium chlorate reaction tank;
50. a chlorine dioxide reactor; 60. a control box; 70. a water ejector;
81. a tail gas processor; 82. a chlorine dioxide storage tank; 83. a hydrochloric acid storage tank; 84. a dosing pump.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Now, the chlorine dioxide preparing device provided by the utility model is explained.
Referring to fig. 1 and 2, the chlorine dioxide preparing apparatus of the present invention includes an electrolytic bath 20, a gas-liquid separator 30, a sodium chlorate reaction tank 40, a chlorine dioxide reactor 50, and an outer frame 10; the electrolytic cell 20 is used for electrolyzing a sodium chloride solution to generate a sodium chlorate solution; the gas-liquid separator 30 is arranged above the electrolytic bath 20, is communicated with the upper part of the electrolytic bath 20 and is used for separating the electrolyzed hydrogen; the sodium chlorate reaction tank 40 is vertically arranged at one side of the electrolytic cell 20, is communicated with the lower part of the electrolytic cell 20 and is used for storing a sodium chlorate solution generated by the electrolytic cell 20; the chlorine dioxide reactor 50 is arranged at a position higher than the electrolytic cell 20, has a lower part lower than the upper part of the sodium chlorate reaction tank 40, is communicated with the sodium chlorate reaction tank 40 through a sodium chlorate solution feed pump, is provided with a hydrochloric acid inlet connected with the hydrochloric acid feed pump and a lead-out port for leading out chlorine dioxide gas generated by the reaction of the hydrochloric acid and the sodium chlorate solution, is also communicated with the electrolytic cell 20 through a control valve, and is used for leading the reacted solution into the electrolytic cell 20; the outer frame 10 is disposed outside the electrolytic bath 20, the gas-liquid separator 30, the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50, and is connected to the electrolytic bath 20, the gas-liquid separator 30, the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50, respectively.
Compared with the prior art, the chlorine dioxide preparation device provided by the utility model integrates the main components such as the electrolytic tank 20, the gas-liquid separator 30, the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50 into the outer frame 10 after being miniaturized, does not need to be disassembled and assembled when needing to be transported, only needs to be connected with various feeding and storing devices or components after being put in place, and is very convenient to hoist and transport under the protection of the outer frame 10, and can effectively avoid equipment damage; meanwhile, the sodium chlorate reaction tank 40 is vertically arranged on one side of the electrolytic bath 20, and the gas-liquid separator 30 and the chlorine dioxide reactor 50 are arranged on the upper part of the electrolytic bath 20, so that the space can be reasonably utilized according to the shapes of all the parts, and most of materials can be conveyed by utilizing gravity and a sodium chlorate solution feeding pump, the arrangement of pumping devices among all the parts can be reduced, the reduction of the whole volume and the simplification of the structure are facilitated, and the cost is reduced; in addition, the structural arrangement is favorable for increasing the volume of the sodium chlorate reaction tank 40, the sodium chlorate reaction tank 40 is equivalent to a sodium chlorate storage tank, can be used for adjusting the speed of the whole reaction process and also can be used for temporarily storing sodium chlorate generated by continuous electrolysis, when the chlorine dioxide is needed, a large amount of chlorine dioxide can be prepared by injecting hydrochloric acid after extraction, the waiting time is favorably reduced, and the preparation and use efficiency of the chlorine dioxide is improved.
As a specific embodiment of the chlorine dioxide preparing device provided by the utility model, the sodium chlorate in the electrolytic bath 20 is electrolyzed to generate a reaction formula of NaCl +3H2O＝NaClO3+3H2. The reaction formula in the sodium chlorate reaction tank 40 is NaClO3+2HCl＝ClO2+1/2Cl2+NaCl+H2O。
Referring to fig. 2 to 3, as an embodiment of the chlorine dioxide producing apparatus of the present invention, the electrolytic cells 20 are connected in series, and each group of electrolytic cells 20 is connected to the gas-liquid separator 30 and the sodium chlorate reaction tank 40.
Referring to fig. 2 to 3, as an embodiment of the chlorine dioxide preparing apparatus of the present invention, electrically controlled valves are disposed between the electrolytic cell 20 and the gas-liquid separator 30, between the gas-liquid separator 30 and the sodium chlorate reaction tank 40, between the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50, and on the hydrochloric acid inlet. The chlorine dioxide preparation device also comprises a control box 60, wherein the control box 60 is arranged at one side of the outer frame 10, and a controller which is respectively and electrically connected with the electric control valve and the electrolytic tank 20 is arranged in the control box 60. The electrolytic bath 20, the gas-liquid separator 30, the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50 are all provided with pressure sensors which are respectively and electrically connected with the controller. The controller automatically controls the electric control valve and the electrolytic bath 20 through data fed back by the pressure sensor so as to realize continuous and stable production.
Referring to fig. 2 to 3, as an embodiment of the chlorine dioxide preparing apparatus provided by the present invention, the chlorine dioxide preparing apparatus further includes a water injector 70 connected to the outlet of the chlorine dioxide reactor 50, for mixing the chlorine dioxide generated by the chlorine dioxide reactor 50 with water to form a chlorine dioxide solution.
Referring to fig. 2 to 3 together, as a specific embodiment of the chlorine dioxide preparing apparatus of the present invention, the electrolytic cell 20, the gas-liquid separator 30, the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50 are slidably connected to the outer frame 10 respectively, for sliding outward of the outer frame 10; the electrolytic bath 20 and the gas-liquid separator 30, the gas-liquid separator 30 and the sodium chlorate reaction tank 40, and the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50 are connected through flange pipes. Specifically, the outer frame 10 is provided with slide ways corresponding to the positions of the electrolytic tank 20, the gas-liquid separator 30, the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50, the slide ways are all inclined downwards along the direction close to the inside of the outer frame 10, and the slide ways are provided with pin holes. The pin holes are used for fixing the positions of the electrolytic bath 20, the gas-liquid separator 30, the sodium chlorate reaction tank 40 and the chlorine dioxide reactor 50 through pins or bolts.
Referring to fig. 1 to 3, as an embodiment of the chlorine dioxide preparing apparatus of the present invention, a hook or a beam for hooking a lifting device is disposed on the outer frame 10.
Referring to fig. 1, as a specific embodiment of the chlorine dioxide preparing apparatus provided by the present invention, the apparatus further includes a tail gas processor 81, a chlorine dioxide storage tank 82, a hydrochloric acid storage tank 83, and a dosing pump 84; the tail gas processor 81 is arranged outside the outer frame 10 and connected with the gas outlet of the gas-liquid separator 30; the chlorine dioxide storage tank 82 is arranged outside the outer frame 10, is communicated with the outlet of the chlorine dioxide reactor 50 and is used for storing chlorine dioxide solution; the hydrochloric acid storage tank 83 is arranged outside the outer frame 10 and used for storing hydrochloric acid; the dosing pump 84 is electrically connected with the controller and the water injector 70 and is used for adding chlorine dioxide solution to the water body to be treated.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A chlorine dioxide production apparatus, comprising:
the electrolytic cell is used for electrolyzing the sodium chloride solution to generate a sodium chlorate solution;
the gas-liquid separator is arranged above the electrolytic bath, is communicated with the upper part of the electrolytic bath and is used for separating the electrolyzed hydrogen;
the sodium chlorate reaction tank is vertically arranged on one side of the electrolytic cell, is communicated with the lower part of the electrolytic cell and is used for storing a sodium chlorate solution generated by the electrolytic cell;
the chlorine dioxide reactor is arranged at a position higher than the electrolytic tank, the lower part of the chlorine dioxide reactor is lower than the upper part of the sodium chlorate reaction tank, the chlorine dioxide reactor is communicated with the sodium chlorate reaction tank through a sodium chlorate solution feeding pump, and the chlorine dioxide reactor is provided with a hydrochloric acid inlet connected with a hydrochloric acid feeding pump, a lead-out port for leading out chlorine dioxide gas generated by the reaction of hydrochloric acid and the sodium chlorate solution, is also communicated with the electrolytic tank through a control valve and is used for leading the reacted solution into the electrolytic tank; and
the outer frame is arranged outside the electrolytic tank, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor and is respectively connected with the electrolytic tank, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor.
2. The chlorine dioxide production plant of claim 1, wherein: the electrolytic tanks are connected in series in a plurality of groups, and each group of electrolytic tanks is connected with the gas-liquid separator and the sodium chlorate reaction tank.
3. The chlorine dioxide production plant of claim 1, wherein: electric control valves are arranged between the electrolytic cell and the gas-liquid separator, between the gas-liquid separator and the sodium chlorate reaction tank, between the sodium chlorate reaction tank and the chlorine dioxide reactor and on a hydrochloric acid inlet.
4. The chlorine dioxide production plant of claim 3, further comprising:
and the control box is arranged on one side of the outer frame, and a controller which is respectively electrically connected with the electric control valve and the electrolytic tank is arranged in the control box.
5. The apparatus according to claim 4, wherein the electrolytic cell, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor are respectively provided with a pressure sensor, and the pressure sensors are respectively electrically connected with the controller.
6. The chlorine dioxide production plant of claim 4, further comprising:
and the water ejector is connected with the guide outlet of the chlorine dioxide reactor and is used for mixing the chlorine dioxide generated by the chlorine dioxide reactor with water to form a chlorine dioxide solution.
7. The chlorine dioxide production plant of claim 1, wherein: the electrolytic tank, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor are respectively connected with the outer frame in a sliding manner and used for sliding towards the outside of the outer frame; the electrolytic tank and the gas-liquid separator, the gas-liquid separator and the sodium chlorate reaction tank are connected through flange pipes.
8. The chlorine dioxide production plant of claim 1, wherein: the outer frame is provided with slideways corresponding to the positions of the electrolytic tank, the gas-liquid separator, the sodium chlorate reaction tank and the chlorine dioxide reactor, the slideways are inclined downwards along the direction close to the inside of the outer frame, and the slideways are provided with pin holes.
9. The chlorine dioxide production plant of claim 1, wherein: and the outer frame is provided with a lifting hook or a beam for hooking the hoisting equipment.
10. The apparatus for producing chlorine dioxide as claimed in claim 6, further comprising:
the tail gas processor is arranged outside the outer frame and is connected with a gas outlet of the gas-liquid separator;
the chlorine dioxide storage tank is arranged outside the outer frame, is communicated with the outlet of the chlorine dioxide reactor and is used for storing chlorine dioxide solution;
the hydrochloric acid storage tank is arranged outside the outer frame and used for storing hydrochloric acid; and
and the dosing pump is electrically connected with the controller, is connected with the water injector and is used for dosing the chlorine dioxide solution to the water body to be treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368403.2U CN211057238U (en) | 2019-12-25 | 2019-12-25 | Chlorine dioxide preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922368403.2U CN211057238U (en) | 2019-12-25 | 2019-12-25 | Chlorine dioxide preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211057238U true CN211057238U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922368403.2U Active CN211057238U (en) | 2019-12-25 | 2019-12-25 | Chlorine dioxide preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211057238U (en) |
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2019
- 2019-12-25 CN CN201922368403.2U patent/CN211057238U/en active Active
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