阅读说明：本技术 一种纯碱生产用吸氨喷射器 (Ammonia absorption ejector for soda production ) 是由 黄志国 单益民 肖大宗 于 2019-11-11 设计创作，主要内容包括：本发明涉及纯碱生产设备技术领域,且公开了一种纯碱生产用吸氨喷射器,包括蒸馏装置和储液箱,蒸馏装置的输出端固定套装有氨气出管,氨气出管连接有吸氨塔,吸氨塔一侧的底部固定套装有排液管。该纯碱生产用吸氨喷射器,通过第二整流板对第一喷淋架和第二喷淋架上雾化喷头雾化喷淋精制盐水吸收氨气后所产生的废气进行整流,再利用位于第二整流板整流腔内的气体浓度检测传感器对废气中所含的氨气含量进行监测,从而便于实时掌握吸氨塔对氨气的吸收率,且当废气中所含的氨气含量较高时,启动循环风机将废气抽取至氨气出管中,再排出吸氨塔内进行二次吸氨操作,从而提高氨气的吸收率,便于废气后序的处理,节约了资源。(The invention relates to the technical field of soda production equipment, and discloses an ammonia suction ejector for soda production, which comprises a distillation device and a liquid storage tank, wherein an ammonia gas outlet pipe is fixedly sleeved at the output end of the distillation device and connected with an ammonia suction tower, and a liquid discharge pipe is fixedly sleeved at the bottom of one side of the ammonia suction tower. This ammonia-absorbing sprayer is used in soda production, spray the produced waste gas that produces after the refined salt solution absorbs the ammonia to spray atomizing nozzle atomizing on frame and the second through the second cowling panel, the reuse is located the gas concentration detection sensor of second cowling panel rectification intracavity and is monitored the ammonia content that contains in the waste gas, thereby be convenient for master the absorptivity of ammonia-absorbing tower to the ammonia in real time, and when the ammonia content that contains in the waste gas is higher, start circulating fan and extract waste gas to the ammonia exit tube in, carry out the secondary ammonia-absorbing operation in the ammonia-absorbing tower of discharging again, thereby improve the absorptivity of ammonia, be convenient for the processing of waste gas epilogue, the resource has been practiced thrift.)

1. The utility model provides a soda production is with inhaling ammonia sprayer, includes distillation plant (1) and liquid reserve tank (11), its characterized in that: the device is characterized in that an ammonia gas outlet pipe (2) is fixedly sleeved at the output end of the distillation device (1), the ammonia gas outlet pipe (2) is connected with an ammonia absorption tower (3), a liquid discharge pipe (4) is fixedly sleeved at the bottom of one side of the ammonia absorption tower (3), a first spray frame (5) and a second spray frame (6) are fixedly installed inside the ammonia absorption tower (3) from bottom to top in sequence, atomizing nozzles (7) are fixedly installed at the bottoms of the first spray frame (5) and the second spray frame (6), flow dividing pipes (8) communicated with the atomizing nozzles (7) are fixedly installed on the first spray frame (5) and the second spray frame (6), a collecting pipe (9) communicated with the two flow dividing pipes (8) is fixedly installed at the top of the side face of the ammonia absorption tower (3), a liquid inlet pipe (10) is fixedly sleeved at the liquid inlet end of the collecting pipe (9), a liquid outlet of the liquid storage tank (11) is fixedly sleeved with a liquid discharge pipe, fixed cover is equipped with first water pump (13) on drain pipe (12), and the one end of drain pipe (12) is connected with salt solution refining plant (14), the fixed cover of liquid outlet of salt solution refining plant (14) is equipped with connecting pipe (15), fixed cover is equipped with second water pump (16) on connecting pipe (15), and the one end and feed liquor pipe (10) fixed cup joint of connecting pipe (15), the inside fixed mounting of ammonia absorption tower (3) has and is located the second and sprays frame (6) top and first second cowling panel (18) and first cowling panel (17) that spray frame (5) below, and the top of ammonia absorption tower (3) is equipped with waste gas exit tube (19).

2. The ammonia absorption ejector for soda production according to claim 1, wherein: a branch pipe (20) extending to the outside of the ammonia absorption tower (3) is fixedly sleeved on one side of the waste gas outlet pipe (19), a fixed frame (21) is fixedly arranged at the top of one side of the ammonia absorption tower (3), a circulating fan (22) is fixedly arranged on the fixed frame (21), the air inlet end of the circulating fan (22) is fixedly sleeved with the branch pipe (20), and the air outlet end of the circulating fan (22) is fixedly sleeved with a circulating pipe (23), one end of the circulating pipe (23) is connected with the ammonia gas outlet pipe (2), a spiral radiating pipe (24) positioned at the first spraying frame (5) and the second spraying frame (6) is surrounded on the inner wall of the ammonia absorption tower (3), an air outlet pipe (25) is fixedly sleeved at the air outlet end of the spiral radiating pipe (24), and the air inlet end of the spiral radiating pipe (24) is fixedly sleeved with an air inlet pipe (26), and the air inlet pipe (26) is connected with an air cooler (27).

3. The ammonia absorption ejector for soda production according to claim 1, wherein: second cowling panel (18) is including being located its inside reposition of redundant personnel scute (181), air inlet (182) that are located reposition of redundant personnel scute (181) under are seted up to the bottom of second cowling panel (18), and the inside of second cowling panel (18) sets up the reposition of redundant personnel chamber (183) that are located reposition of redundant personnel scute (181) bottom both sides, second cowling panel (18) inside sets up rectification chamber (184) that are located reposition of redundant personnel scute (181) middle part both sides, fixed mounting has gas concentration detection sensor (185) on the inner wall of rectification chamber (184), gas outlet (186) that are located rectification chamber (184) directly over are seted up to the top of second cowling panel (18).

4. The ammonia absorption ejector for soda production according to claim 1, wherein: the first rectifying plate (17) includes all the structures of the second rectifying plate (18) except the structure of the cooling gas concentration detection sensor (185).

5. The ammonia absorption ejector for soda production according to claim 2, wherein: one end of the air outlet pipe (25) is connected with a coke and limestone feeding chamber of a lime calcining device in the soda production equipment.

Technical Field

The invention relates to the technical field of soda production equipment, in particular to an ammonia absorption ejector for soda production.

Background

Sodium carbonate (Na2CO3), molecular weight 105.99, the purity of the chemical product is more than 99.5% (mass fraction), also called soda ash, but the classification belongs to salt, not to alkali, also called soda or soda ash in international trade, it is an important organic chemical raw material, mainly used for the production of plate glass, glass products and ceramic glaze, also widely used in domestic washing, acid neutralization and food processing, etc.

In the process of preparing the soda ash, the most important process flow is to utilize refined brine to absorb ammonia, the process is carried out in an ammonia absorption tower, a large amount of heat can be generated in the process of absorbing ammonia by utilizing the refined brine, in order to avoid the influence of the heat on the generation efficiency of ammonia water, water cooling circulation is usually adopted in the prior art to dissipate the heat, however, the problem of influence of the heat on the generation efficiency of the ammonia water is effectively reduced by adopting the water cooling circulation to dissipate the heat, the heat is not well utilized, the prior ammonia absorption tower does not have a structure for rectifying the entering ammonia, the ammonia airflow in the ammonia absorption tower is not stable and uniform, the uniformity of the contact between the ammonia and the sprayed refined brine is reduced, the absorption efficiency of the refined brine is reduced, and meanwhile, the prior ammonia absorption tower cannot carry out a mechanism for detecting the ammonia content on the discharged waste gas, the absorption efficiency of the ammonia gas cannot be monitored, the ammonia gas cannot be returned under the condition that the ammonia gas absorption rate is reduced, resources are wasted, and the difficulty of subsequent treatment of the waste gas is improved.

Disclosure of Invention

The invention provides an ammonia absorption ejector for producing soda ash, which has the advantages of waste heat utilization, ammonia absorption efficiency improvement, ammonia absorption rate monitoring and resource saving, and solves the problem that in the preparation process of soda ash, the most important process flow is to absorb ammonia by using refined brine, the process is carried out in an ammonia absorption tower, a large amount of heat is generated in the process of absorbing ammonia by using refined brine, in order to avoid the influence of the heat on the generation efficiency of ammonia water, water cooling circulation is usually adopted in the prior art to dissipate the heat, however, the problem that the influence of the heat on the generation efficiency of ammonia water is effectively reduced by adopting the water cooling circulation to dissipate the heat, but the heat is not well utilized, and the existing ammonia absorption tower does not have a structure for rectifying the entering ammonia gas, so that the ammonia gas flow in the ammonia absorption tower is unstable and uniform, and the contact uniformity of the ammonia gas and the sprayed refined brine is reduced, thereby reduced the absorption efficiency of refined salt solution to the ammonia, simultaneously, current ammonia tower of inhaling can't carry out the mechanism of ammonia content's detection to exhaust waste gas, leads to the quilt absorption efficiency of ammonia to monitor, also can't carry out the return air under the condition that the ammonia absorptivity reduces, has wasted the resource, has improved the problem of the waste gas subsequent handling degree of difficulty.

The invention provides the following technical scheme: an ammonia suction ejector for producing soda comprises a distillation device and a liquid storage tank, wherein an ammonia outlet pipe is fixedly sleeved at the output end of the distillation device and connected with an ammonia suction tower, a liquid discharge pipe is fixedly sleeved at the bottom of one side of the ammonia suction tower, a first spray rack and a second spray rack are fixedly installed inside the ammonia suction tower from bottom to top in sequence, atomizing spray heads are fixedly installed at the bottoms of the first spray rack and the second spray rack respectively, flow dividing pipes communicated with the atomizing spray heads are fixedly installed on the first spray rack and the second spray rack respectively, a collecting pipe communicated with the two flow dividing pipes is fixedly installed at the top of the side surface of the ammonia suction tower, a liquid inlet pipe is fixedly sleeved at the liquid inlet end of the collecting pipe, a liquid outlet pipe is fixedly sleeved at the liquid outlet of the liquid storage tank, a first water pump is fixedly sleeved on the liquid outlet pipe, and one end of the liquid outlet pipe is connected with a brine, the fixed cover of liquid outlet end of salt solution refining plant is equipped with the connecting pipe, fixed cover is equipped with the second water pump on the connecting pipe, and the one end and the feed liquor pipe of connecting pipe are fixed to be cup jointed, the inside fixed mounting of ammonia absorption tower has second cowling panel and the first cowling panel that is located second spray rack top and first spray rack below, and the top of ammonia absorption tower is equipped with the waste gas exit tube.

The exhaust gas purification device is characterized by being fine, the fixed cover in one side of waste gas exit tube is equipped with the branch pipe that extends to the outside of ammonia absorption tower, the top fixed mounting of ammonia absorption tower one side has the mount, fixed mounting has circulating fan on the mount, circulating fan's air inlet end cup joints with the branch pipe is fixed, and circulating fan's the fixed cover of air-out is equipped with the circulating pipe, the one end and the ammonia exit tube of circulating pipe are connected, it has the spiral cooling tube that is located first spray frame and second spray frame department to surround on the inner wall of ammonia absorption tower, the fixed cover of air-out end of spiral cooling tube is equipped with out the tuber pipe, and the fixed cover of air inlet end of spiral cooling.

The choice, the second cowling panel is including being located its inside reposition of redundant personnel scute, the air inlet that is located under the reposition of redundant personnel scute is seted up to the bottom of second cowling panel, and the inside of second cowling panel sets up the reposition of redundant personnel chamber that is located reposition of redundant personnel scute bottom both sides, the inside rectification chamber that is located reposition of redundant personnel scute middle part both sides of seting up of second cowling panel, fixed mounting has gas concentration to detect the sensor on the inner wall in rectification chamber, the gas outlet that is located directly over the rectification chamber is seted up at the top of second cowling panel.

Preferably, the first flow rectification plate includes all the structures of the second flow rectification plate except the structure of the gas concentration detection sensor.

And one end of the air outlet pipe is connected with a coke and limestone feeding chamber of a lime calcining device in the soda ash production equipment.

The invention has the following beneficial effects:

1. this ammonia ejector is inhaled in soda production is with inhaling ammonia carries out the rectification to the ammonia that gets into ammonia absorption tower inside through first cowling panel, makes its even stable rising to the atomizer atomizing spray refined salt solution on first spray rack of recycling and the second spray rack absorbs the ammonia, and absorption efficiency is higher, the effect is better.

2. This ammonia-absorbing sprayer is used in soda production, spray the produced waste gas that produces after the refined salt solution absorbs the ammonia to spray atomizing nozzle atomizing on frame and the second through the second cowling panel, the reuse is located the gas concentration detection sensor of second cowling panel rectification intracavity and is monitored the ammonia content that contains in the waste gas, thereby be convenient for master the absorptivity of ammonia-absorbing tower to the ammonia in real time, and when the ammonia content that contains in the waste gas is higher, start circulating fan and extract waste gas to the ammonia exit tube in, carry out the secondary ammonia-absorbing operation in the ammonia-absorbing tower of discharging again, thereby improve the absorptivity of ammonia, be convenient for the processing of waste gas epilogue, the resource has been practiced thrift.

3. This ammonia-absorbing injector is used in soda production, carry cold wind to spiral cooling tube in through starting the air-cooler, thereby absorb the produced heat of refined salt solution absorption ammonia in-process, and then reach the heat dissipation purpose, when avoiding the heat to cause the influence to aqueous ammonia generation efficiency, utilize out the hot-blast coke and the lime feed chamber of carrying to lime calcining device of tuber pipe with the heating, coke and lime before calcining preheat, be favorable to the calcination work of coke and lime epilogue, waste heat utilization's purpose has been reached, certain resource has been practiced thrift.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a structural fairing in accordance with the present invention;

fig. 3 is a schematic view of the spiral heat pipe of the present invention.

In the figure: 1. a distillation apparatus; 2. an ammonia gas outlet pipe; 3. an ammonia absorption tower; 4. a liquid discharge pipe; 5. a first spray frame; 6. a second spray frame; 7. an atomizing spray head; 8. a shunt tube; 9. a collector pipe; 10. a liquid inlet pipe; 11. a liquid storage tank; 12. a liquid outlet pipe; 13. a first water pump; 14. a brine refining device; 15. a connecting pipe; 16. a second water pump; 17. a first rectifying plate; 18. a second rectifying plate; 181. a diversion angle plate; 182. an air inlet; 183. a shunting cavity; 184. a rectification cavity; 185. a gas concentration detection sensor; 186. an air outlet; 19. an exhaust gas outlet pipe; 20. a branch pipe; 21. a fixed mount; 22. a circulating fan; 23. a circulation pipe; 24. a spiral radiating pipe; 25. an air outlet pipe; 26. an air inlet pipe; 27. an air cooler.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an ammonia absorption injector for producing soda ash comprises a distillation apparatus 1 and a liquid storage tank 11, wherein unrefined sodium chloride aqueous solution is stored in the liquid storage tank 11, and since the unrefined sodium chloride aqueous solution contains impurity ions such as calcium, magnesium and the like, the impurities can produce calcium carbonate, magnesium hydroxide and other insoluble double salts in the ammoniation or carbonation process, and can block equipment and pipelines, thereby affecting heat transfer and quality of soda ash finished products, a brine refining apparatus 14 is arranged to refine the sodium chloride aqueous solution, an ammonia gas outlet pipe 2 is fixedly sleeved at an output end of the distillation apparatus 1, the ammonia gas outlet pipe 2 is connected with an ammonia absorption tower 3, a liquid discharge pipe 4 is fixedly sleeved at the bottom of one side of the ammonia absorption tower 3, a first spray frame 5 and a second spray frame 6 are fixedly installed inside the ammonia absorption tower 3 from bottom to top, atomization nozzles 7 are fixedly installed at the bottoms of the first spray frame 5 and the second spray frame 6, the device extracts a sodium chloride aqueous solution refined in a saline refining device 14 into a collecting pipe 9 by starting a second water pump 16, then the sodium chloride aqueous solution is shunted into shunt pipes 8 on a first spray frame 5 and a second spray frame 6, and finally the sodium chloride aqueous solution is atomized and sprayed out by atomizing nozzles 7 at the bottoms of the first spray frame 5 and the second spray frame 6, ammonia gas can be absorbed, the first spray frame 5 and the second spray frame 6 are fixedly provided with the shunt pipes 8 communicated with the atomizing nozzles 7, the top of the side surface of an ammonia absorption tower 3 is fixedly provided with the collecting pipe 9 communicated with the two shunt pipes 8, the inlet end of the collecting pipe 9 is fixedly sleeved with a liquid inlet pipe 10, the outlet of a liquid storage box 11 is fixedly sleeved with a liquid outlet pipe 12, the liquid outlet pipe 12 is fixedly sleeved with a first water pump 13, one end of the liquid outlet pipe 12 is connected with the saline refining device 14, and the outlet end of the saline refining device 14 is, the second water pump 16 is fixedly sleeved on the connecting pipe 15, one end of the connecting pipe 15 is fixedly sleeved with the liquid inlet pipe 10, the second rectifying plate 18 and the first rectifying plate 17 which are positioned above the second spray frame 6 and below the first spray frame 5 are fixedly installed inside the ammonia absorption tower 3, the first rectifying plate 17 and the second rectifying plate 18 have the same structure and comprise a diversion angle plate 181, a gas inlet 182, a diversion cavity 183, a rectifying cavity 184 and a gas outlet 186, but a gas concentration detection sensor 185 is not arranged, when ammonia gas enters the first rectifying plate 17, the ammonia gas is diverted by utilizing the diversion angle plate 181 and is divided into the two diversion cavities 183, then the ammonia gas is rectified by utilizing the two rectifying cavities 184 and then is uniformly and stably discharged through the gas outlet 186, the absorption efficiency and the absorption effect of the ammonia gas can be improved, the first rectifying plate 17 comprises all structures of the second rectifying plate 18 except the structure of the gas concentration detection sensor 185, the second rectifying plate 18 comprises a diversion angle plate 181 positioned inside the second rectifying plate 18, the bottom of the second rectifying plate 18 is provided with an air inlet 182 positioned right below the diversion angle plate 181, the inside of the second rectifying plate 18 is provided with diversion cavities 183 positioned at two sides of the bottom of the diversion angle plate 181, the inside of the second rectifying plate 18 is provided with rectifying cavities 184 positioned at two sides of the middle of the diversion angle plate 181, the inner walls of the rectifying cavities 184 are fixedly provided with gas concentration detection sensors 185, the top of the second rectifying plate 18 is provided with an air outlet 186 positioned right above the rectifying cavities 184, waste gas generated after refined brine is atomized and sprayed by the atomizing nozzles 7 on the first spray frame 5 and the second spray frame 6 to absorb ammonia is rectified by the second rectifying plate 18, the content of ammonia contained in the waste gas is monitored by the gas concentration detection sensors 185 positioned in the rectifying cavities 184 of the second rectifying plate 18, so that the ammonia absorption rate of the ammonia absorption tower 3 is convenient to grasp in real time, and when the ammonia content in the waste gas is high, the circulating fan 22 is started, the waste gas discharged from the waste gas outlet pipe 19 is extracted into the circulating pipe 23 by using the branch pipe 20 and then discharged into the ammonia gas outlet pipe 2, and finally discharged into the ammonia absorption tower 3 for secondary ammonia absorption operation, thereby improving the absorption rate of the ammonia gas, facilitating the subsequent treatment of the waste gas, saving resources, and the top of the ammonia absorption tower 3 is provided with the waste gas outlet pipe 19, one side of the waste gas outlet pipe 19 is fixedly sleeved with the branch pipe 20 extending to the outside of the ammonia absorption tower 3, the top of one side of the ammonia absorption tower 3 is fixedly provided with the fixing frame 21, the fixing frame 21 is fixedly provided with the circulating fan 22, the air inlet end of the circulating fan 22 is fixedly sleeved with the branch pipe 20, the air outlet end of the circulating fan 22 is fixedly sleeved with the circulating pipe 23, one end of the circulating pipe 23 is connected with the ammonia gas outlet pipe 2, the spiral radiating pipe 24 positioned at the first spraying frame, an air outlet pipe 25 is fixedly sleeved at the air outlet end of the spiral radiating pipe 24, one end of the air outlet pipe 25 is connected with a coke and limestone feeding chamber of a lime calcining device in the soda production equipment, and the air inlet end of the spiral radiating pipe 24 is fixedly sleeved with an air inlet pipe 26, the air inlet pipe 26 is connected with an air cooler 27, the device conveys cold air into the spiral radiating pipe 24 through the air inlet pipe 26 by starting the air cooler 27, thereby absorbing the heat generated in the process of absorbing ammonia gas by the refined brine, achieving the purpose of heat dissipation, avoiding the influence of the heat on the generation efficiency of ammonia water, the heated hot air is conveyed to a coke and limestone feeding chamber of the lime calcining device by using an air outlet pipe 25, the coke and the limestone before calcination are preheated, so that the subsequent calcination work of the coke and the limestone is facilitated, the purpose of waste heat utilization is achieved, and certain resources are saved.

The working principle is as follows: when in use, firstly, the first water pump 13 is started to extract the sodium chloride aqueous solution in the liquid storage tank 11 into the brine refining device 14, the brine refining device 14 is utilized to precipitate and remove impurity ions such as calcium, magnesium and the like in the sodium chloride aqueous solution to obtain refined brine, then the second water pump 16 is started to extract the refined brine and convey the refined brine to the shunt pipes 8 on the first spray frame 5 and the second spray frame 6, and finally the refined brine passes through the atomizing nozzle 7 to be sprayed, meanwhile, the ammonia in the distillation device 1 is conveyed into the ammonia absorption tower 3 through the ammonia outlet pipe 2, then the ammonia entering the ammonia absorption tower 3 is rectified through the first rectifying plate 17 and then is absorbed by the refined brine sprayed by the atomizing nozzle 7, in the process, the air cooler 27 is started to convey cold air into the spiral radiating pipe 24, thereby radiating and absorbing the heat generated by the refined brine absorbing the ammonia, and the heated hot air is conveyed to a coke and limestone feeding chamber of the lime calcining device through an air outlet pipe 25, the coke and limestone before calcining are preheated, finally, the exhaust gas generated after refined brine is atomized and sprayed to absorb ammonia gas by atomizing nozzles 7 on the first spray frame 5 and the second spray frame 6 enters the second rectifying plate 18, so that the exhaust gas is rectified by the second rectifying plate 18, meanwhile, the ammonia gas content in the exhaust gas is monitored by using a gas concentration detection sensor 185 positioned in a rectifying cavity 184 of the second rectifying plate 18, when the ammonia gas content in the exhaust gas is higher, the circulating fan 22 is started to extract the exhaust gas into the ammonia gas outlet pipe 2, and then the exhaust gas is discharged into the ammonia absorption tower 3 to carry out secondary ammonia absorption operation, so that the ammonia gas absorption rate is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.