Sodium carbonate configuration dust removal device of electrolysis process system
By designing the sodium carbonate configuration dust removal device of the electrolytic process system, the air hood and washing fan collect and dissolve the sodium carbonate dust, the problem of dust spillage is solved, the working environment is improved, and the recycling of sodium carbonate solution is realized.
Patent Information
- Application Number
- CN202421488006.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-06-27
AI Technical Summary
In the electrolytic process system, the pouring configuration of sodium carbonate powder is often accompanied by dust spillage, resulting in excess of the air environment, affecting the health of staff and increasing corporate costs.
A sodium carbonate configuration dust removal device of an electrolytic process system is designed, including a configuration tank, a washing tank and a reaction tank. The dust is collected through an air hood and collected and dissolved through a washing fan and washing liquid. Finally, the sodium carbonate solution is returned to the preparation tank for recycling.
It effectively solves the problem of dust spillage in sodium carbonate, improves the working environment quality, reduces corporate costs, and realizes the recycling of sodium carbonate solution.
Smart Images
Figure CN222841754U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sodium carbonate configuration dust removal, in particular to a sodium carbonate configuration dust removal device for an electrolytic process system. Background Art
[0002] At present, an important product produced by the electrolysis device of a chemical enterprise is sodium hydroxide solution. The process system first refines the crude brine to obtain refined saturated brine, and then electrolyzes the refined saturated brine to obtain sodium ions and hydroxide ions. The sodium ions and hydroxide ions combine to form a 32% sodium hydroxide solution. As a product, the sodium hydroxide solution can be widely used in papermaking, printing and dyeing and other industries.
[0003] The above-mentioned raw crude brine contains a large amount of calcium ions. The content of calcium ions directly affects the product quality of the electrolysis device. In order to remove the calcium ions contained in the raw crude brine, the company uses a prepared sodium carbonate solution to mix with the crude brine to obtain a brine mixture containing calcium carbonate, and then filters to remove the calcium carbonate, completing the crude brine refining and calcium ion removal treatment.
[0004] During the processing process, small bags of sodium carbonate powder are poured into the preparation tank, stirred and dissolved to obtain sodium carbonate solution. During the process of pouring the sodium carbonate powder, there is often a lot of dust overflow, resulting in excessive sodium carbonate dust in the air environment around the preparation tank. On the one hand, if the sodium carbonate dust particles are inhaled, it will affect the health of the workers. On the other hand, the overflow of a large amount of sodium carbonate dust also causes cost waste to the company. Summary of the invention
[0005] The utility model provides a sodium carbonate configuration dust removal device for an electrolytic process system, which overcomes the deficiencies of the prior art and can effectively solve the problem of sodium carbonate dust overflow in the sodium carbonate configuration process of the prior electrolytic process system.
[0006] The technical scheme of the utility model is realized through the following measures: a sodium carbonate configuration dust removal device for an electrolytic process system, comprising a configuration tank, a washing tank, and a reaction tank, wherein a first liquid inlet at the top of the configuration tank is fixedly connected with a first process water pipeline, a sodium carbonate powder inlet is arranged at the top of the configuration tank, a configuration liquid pipeline is fixedly connected between a lower liquid outlet of the configuration tank and the first liquid inlet at the top of the reaction tank, an air hood is arranged at the upper end of the top of the configuration tank, a dust collection pipeline is fixedly connected between an air outlet at the top of the air hood and an air inlet at the bottom of the washing tank, a washing fan is fixedly installed on the dust collection pipeline, an air outlet at the top of the washing tank is fixedly connected with an exhaust pipeline, and a washing liquid pipeline is fixedly connected between the lower liquid outlet of the washing tank and a second liquid inlet at the top of the configuration tank.
[0007] The following are further optimizations and / or improvements to the above utility model technical solution:
[0008] A tower plate is arranged inside the washing tank, and a plurality of mesh holes are arranged on the tower plate. The height of the washing liquid level in the washing tank is lower than the height of the tower plate.
[0009] The upper liquid inlet of the washing tank is fixedly connected with a second process water pipeline.
[0010] The height of the lower air inlet of the washing tank is lower than the height of the washing liquid level in the washing tank.
[0011] The second liquid inlet at the top of the reaction tank is fixedly connected with a crude brine pipeline.
[0012] The lower liquid outlet of the reaction tank is fixedly connected with a brine refining pipeline.
[0013] The configuration tank and the reaction tank are both provided with electric stirrers.
[0014] The above-mentioned configuration tank, washing tank and reaction tank are all fixedly provided with remote liquid level gauges.
[0015] Solenoid valves are fixedly installed on the first process water pipeline, the washing liquid pipeline, the second process water pipeline and the crude brine pipeline.
[0016] The above device also includes a controller, and the washing fan, electric stirrer, remote liquid level meter and solenoid valve are all electrically connected to the controller.
[0017] The utility model has a reasonable and compact structure and is easy to use. It collects the sodium carbonate dust spillage, washes and dissolves it, and then returns it to the preparation tank for recycling, thereby improving the working environment quality of the staff, solving the cost waste problem for the enterprise, and has the characteristics of safety, labor saving, simplicity and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Attached Figure 1 This is a schematic diagram of the process flow of the utility model.
[0019] Attached Figure 1 The codes are as follows: 1 for the configuration tank, 2 for the washing tank, 3 for the reaction tank, 4 for the first process water pipeline, 5 for the sodium carbonate powder inlet, 6 for the configuration liquid pipeline, 7 for the wind hood, 8 for the dust collection pipeline, 9 for the washing fan, 10 for the exhaust pipeline, 11 for the washing liquid pipeline, 12 for the tower plate, 13 for the second process water pipeline, 14 for the crude brine pipeline, 15 for the brine refining pipeline, 16 for the electric stirrer, 17 for the remote liquid level meter, 18 for the solenoid valve, and 19 for the mesh. DETAILED DESCRIPTION
[0020] The present invention is not limited by the following embodiments, and specific implementation methods can be determined according to the technical solution of the present invention and actual conditions.
[0021] In the present invention, unless otherwise specified, the equipment and devices used are all the equipment and devices known and used in the art.
[0022] In the present invention, for the convenience of description, the relative position relationship of each component is described according to the attached manual. Figure 1 The layout is described in detail, such as the positional relationship of front, back, top, bottom, left, right, etc., which is based on the attached manual. Figure 1 It is determined by the layout direction.
[0023] The present invention is further described below in conjunction with the embodiments and drawings:
[0024] Embodiment 1: As attached Figure 1 As shown, the sodium carbonate dust removal device of the electrolysis process system includes a preparation tank 1, a washing tank 2, and a reaction tank 3. The first liquid inlet at the top of the preparation tank 1 is fixedly connected to a first process water pipeline 4, a sodium carbonate powder inlet 5 is provided at the top of the preparation tank 1, a preparation liquid pipeline 6 is fixedly connected between the lower liquid outlet of the preparation tank 1 and the first liquid inlet at the top of the reaction tank 3, a wind hood 7 is provided at the upper end of the top of the preparation tank 1, a dust collection pipeline 8 is fixedly connected between the top air outlet of the wind hood 7 and the lower air inlet of the washing tank 2, a washing fan 9 is fixedly installed on the dust collection pipeline 8, the top air outlet of the washing tank 2 is fixedly connected to an exhaust pipeline 10, and a washing liquid pipeline 11 is fixedly connected between the lower liquid outlet of the washing tank 2 and the second liquid inlet at the top of the preparation tank 1.
[0025] According to the needs, the washing fan 9 model can be C-415, the air intake volume can reach 1400Nm³ / h, and the exhaust pressure can reach 45mbar.
[0026] According to actual needs, the dust removal device configured for sodium carbonate in the above electrolysis process system can be further optimized and / or improved:
[0027] Embodiment 2: It is different from Embodiment 1 in that: Figure 1 As shown, a tower tray 12 is arranged inside the washing tank 2 , and a plurality of mesh holes 19 are arranged on the tower tray 12 . The height of the washing liquid level in the washing tank 2 is lower than the height of the tower tray 12 .
[0028] As required, the gas overflowing from the washing liquid in the washing tank 2 diffuses through the mesh 19 of the tower plate 12 , and the sodium carbonate droplets in the gas can condense on the tower plate 12 .
[0029] Embodiment 3: It differs from Embodiment 1 to Embodiment 2 in that: Figure 1 As shown, the upper liquid inlet of the washing tank 2 is fixedly connected to a second process water pipeline 13 .
[0030] As required, process water enters the washing tank 2 through the second process water pipeline 13 to clean and flush the sodium carbonate condensate on the tray 12 .
[0031] Embodiment 4: It differs from Embodiments 1 to 3 in that: Figure 1 As shown, the height of the lower air inlet of the washing tank 2 is lower than the height of the washing liquid level in the washing tank 2.
[0032] Embodiment 5: It differs from Embodiments 1 to 4 in that: Figure 1 As shown, the second liquid inlet at the top of the reaction tank 3 is fixedly connected to a crude brine pipeline 14 .
[0033] Embodiment 6: It differs from Embodiments 1 to 5 in that: Figure 1 As shown, the lower liquid outlet of the reaction tank 3 is fixedly connected to a brine refining pipeline 15.
[0034] Embodiment 7: It differs from Embodiments 1 to 6 in that: Figure 1 As shown, both the configuration tank 1 and the reaction tank 3 are provided with an electric stirrer 16 .
[0035] Embodiment 8: It differs from Embodiments 1 to 7 in that: Figure 1 As shown, the configuration tank 1, the washing tank 2, and the reaction tank 3 are all fixedly provided with a remote liquid level meter 17.
[0036] Embodiment 9: It differs from Embodiments 1 to 8 in that: Figure 1 As shown, solenoid valves 18 are fixedly installed on the first process water pipeline 4 , the configuration liquid pipeline 6 , the washing liquid pipeline 11 , the second process water pipeline 13 , and the crude brine pipeline 14 .
[0037] Embodiment 10: It differs from Embodiments 1 to 9 in that: Figure 1 As shown, the device also includes a controller, and the washing fan 9, the electric stirrer 16, the remote liquid level meter 17, and the solenoid valve 18 are all electrically connected to the controller.
[0038] According to the needs, the various pipelines and equipment of the sodium carbonate dust removal device of the electrolysis process system can also be equipped with conventional valves, thermometers and pressure gauges known in the art according to production needs. The controller is a DCS controller, and the model of the DCS controller can be the CS3000 controller produced by Yokogawa Corporation of Japan.
[0039] After the implementation of the sodium carbonate dust removal device in the electrolysis process system, the working environment of on-site staff has been significantly improved. The sodium carbonate dust that overflows into the air is quickly and continuously collected, and the sodium carbonate solution is washed and dissolved to obtain the sodium carbonate solution, which is then returned to the preparation tank for recycling and reuse, reducing the company's production costs.
[0040] The above technical features constitute the embodiments of the present utility model, which have strong adaptability and implementation effect. Non-essential technical features can be added or reduced according to actual needs to meet the requirements of different situations.
[0041] The use process of the embodiment of the utility model is as follows: first, sodium carbonate powder is poured into the configuration tank 1 through the sodium carbonate powder inlet 5 at the top of the configuration tank 1, mixed with a portion of process water from the first process water pipeline 4 to obtain a sodium carbonate solution, the sodium carbonate solution enters the reaction tank 3 through the configuration liquid pipeline 6, and reacts with a large amount of calcium ions in the crude brine in the reaction tank 3 to obtain calcium carbonate, and the brine mixture containing calcium carbonate enters the downstream process system through the brine refining pipeline 15 for brine refining treatment; then, when the sodium carbonate powder is poured into the configuration tank 1, the sodium carbonate dust generated is collected by the wind hood 7 and sucked into the dust collection pipeline 8 , and then enters the washing tank 2, and is dissolved and washed by the washing liquid (process water) in the washing tank 2 to obtain a sodium carbonate solution, wherein the gas (carbon dioxide) overflowing from the washing liquid surface passes through the mesh on the tower plate 12 and is collected to the upper part of the washing tank 2, and then discharged through the exhaust pipeline 10. At the same time, another part of the process water enters the washing tank 2 through the second process water pipeline 13 to flush the sodium carbonate condensed on the spray tower plate 12 (to prevent clogging of the mesh 19); finally, when the sodium carbonate solution in the washing tank 2 reaches the set liquid level, the solenoid valve 18 on the washing liquid pipeline 11 is opened, and the sodium carbonate solution returns to the preparation tank 1 through the washing liquid pipeline 11.
Claims
1. A sodium carbonate electrolysis process system is equipped with a dust removal device, characterized in that It includes a preparation tank, a washing tank and a reaction tank. The first liquid inlet on the top of the preparation tank is fixedly connected to the first process water pipeline. A sodium carbonate powder inlet is provided on the top of the preparation tank. A preparation liquid pipeline is fixedly connected between the lower liquid outlet of the preparation tank and the first liquid inlet on the top of the reaction tank. An air hood is provided on the upper end of the top of the preparation tank. A dust collection pipeline is fixedly connected between the air outlet on the top of the air hood and the lower air inlet of the washing tank. A washing fan is fixedly installed on the dust collection pipeline. The air outlet on the top of the washing tank is fixedly connected to an exhaust pipeline. A washing liquid pipeline is fixedly connected between the lower liquid outlet of the washing tank and the second liquid inlet on the top of the preparation tank.
2. The electrolysis process system sodium carbonate according to claim 1 is equipped with a dust removal device, characterized in that A tower plate is arranged inside the washing tank, and a plurality of mesh holes are arranged on the tower plate. The height of the washing liquid level in the washing tank is lower than the height of the tower plate.
3. The electrolytic process system sodium carbonate according to claim 1 or 2 is equipped with a dust removal device, characterized in that The upper liquid inlet of the washing tank is fixedly connected with a second process water pipeline.
4. The electrolytic process system sodium carbonate according to claim 3 is equipped with a dust removal device, characterized in that The height of the lower air inlet of the washing tank is lower than the height of the washing liquid level in the washing tank.
5. The electrolytic process system sodium carbonate according to claim 1, 2 or 4 is equipped with a dust removal device, characterized in that The second liquid inlet at the top of the reaction tank is fixedly connected to a crude brine pipeline.
6. The electrolysis process system sodium carbonate according to claim 5 is equipped with a dust removal device, characterized in that The liquid outlet at the bottom of the reaction tank is fixedly connected to a brine refining pipeline.
7. The electrolytic process system of sodium carbonate according to claim 6 is equipped with a dust removal device, characterized in that Electric stirrers are provided in the configuration tank and the reaction tank.
8. The electrolytic process system for sodium carbonate according to claim 7 is equipped with a dust removal device, characterized in that Remote liquid level gauges are fixedly installed on the configuration tank, washing tank and reaction tank.
9. The electrolytic process system sodium carbonate according to claim 6, 7 or 8 is equipped with a dust removal device, characterized in that Solenoid valves are fixedly installed on the first process water pipeline, the washing liquid pipeline, the second process water pipeline, and the crude brine pipeline.
10. The sodium carbonate electrolysis process system according to claim 9 is equipped with a dust removal device, characterized in that The utility model also comprises a controller, and a washing fan, an electric stirrer, a remote liquid level meter and a solenoid valve are all electrically connected to the controller.