Waste gas purification device for ammonium chloride production
By using a series design and intelligent control of the main purification tank and the auxiliary purification tank, the problem of low efficiency in the ammonium chloride production waste gas purification device was solved, achieving efficient multi-stage purification and effective utilization of chemical agents, thus meeting the emission standards of environmental regulations.
Patent Information
- Application Number
- CN202520305854.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-25
AI Technical Summary
Existing waste gas purification devices for ammonium chloride production are inefficient, have low chemical agent utilization efficiency, cannot be automatically replenished, and cannot meet environmental protection regulations.
The system adopts a series design of main and auxiliary purification tanks, combined with an air intake pump, circulating spraying equipment and electronic three-way valve to achieve multi-stage purification and intelligent control. The system automatically replenishes chemical agents through a liquid composition analyzer, thereby improving purification efficiency and chemical agent utilization.
It achieves efficient multi-stage purification of waste gas, meets emission standards, complies with environmental regulations, has high chemical utilization rate, reduces waste, and embodies the concept of sustainable development.
Smart Images

Figure CN223901542U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model mainly relates to the technical field of waste gas treatment, specifically to a waste gas purification device for ammonium chloride production. BACKGROUND
[0002] If the ammonium chloride production waste gas is directly discharged without treatment, it will pollute the atmospheric environment and affect air quality. The use of the waste gas purification device can significantly reduce the pollutant concentration in the waste gas and reduce environmental pollution. At the same time, the purified waste gas emission meets the requirements of environmental protection regulations, which helps enterprises comply with relevant laws and regulations and avoid environmental penalties. However, the existing waste gas purification device for ammonium chloride production uses a sequential purification method, which is not efficient. Therefore, a high-efficiency waste gas purification device is needed to treat these waste gases to ensure the environmental protection and sustainability of the production process.
[0003] According to the double waste gas purification device for chemical experiments provided in the application number 202120620579.7, a purification box, a moving mechanism, a water pump, and an air suction device are included. The top of the purification box is provided with a moving plate, the top of the moving plate is provided with a moving groove, and the inner wall of the moving groove is provided with a moving mechanism. One side of the top of the purification box is connected with an exhaust pipe penetrating through the hollow plate, one side of the purification box is provided with a water pump, the inside of the purification box is provided with three drawers, the inside of the three drawers is respectively provided with water, alkaline solution, and acidic solution, the center of the top of the purification box and the side away from the exhaust pipe of the top are both provided with an air suction device, the side away from the water pump of the purification box is provided with an exhaust cavity, and the side of the purification box close to the exhaust cavity is provided with an adsorption box.
[0004] The above-mentioned double waste gas purification device for chemical experiments can not only increase the absorption range, but also can purify the waste gas multiple times to improve the purification effect. However, the utilization efficiency of the chemical agent is low, and it cannot be automatically replenished. UTILITY MODEL CONTENTS
[0005] Therefore, the utility model aims to provide a waste gas purification device for ammonium chloride production to solve the technical problems in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] The utility model provides an ammonium chloride production exhaust gas purification device, including main purification jar, the vice purification jar of being established in main purification jar output end, its characterized in being that the main liquid storage jar of being established in one end of main purification jar, the vice liquid storage jar of being established in one end of vice purification jar, the air inlet pipe of being established in one side of main purification jar, the first liquid supply pipe of connecting main purification jar with main liquid storage jar, the second liquid supply pipe of connecting vice purification jar with vice liquid storage jar, the first circulation pipe of connecting main purification jar with vice purification jar, the second circulation pipe of being established in the other side of vice purification jar, the outlet pipe of being established in the other end of main purification jar and vice purification jar.
[0008] The air inlet pipe includes an air inlet pump arranged in the middle part.
[0009] The first liquid supply pipe includes a first liquid guide pipe arranged to connect the top of the main purification jar and the bottom of one end, a first spray head arranged at the top end inside the main purification jar and connected to the output end of the first liquid guide pipe, a first electronic three-way valve arranged in the middle part of the first liquid guide pipe, a first liquid pump arranged at the top of the first electronic three-way valve, a first liquid taking pipe connected to the central input port of the first electronic three-way valve and the bottom of the main liquid storage jar, and a first liquid component detector arranged at one end of the top of the main purification jar and having a detection end deep into the internal liquid level.
[0010] The second liquid supply pipe includes a second liquid guide pipe arranged to connect the top of the vice purification jar and the bottom of the other end, a second spray head arranged at the top end inside the vice purification jar and connected to the output end of the second liquid guide pipe, a second electronic three-way valve arranged in the middle part of the second liquid guide pipe, a second liquid pump arranged at the top of the second electronic three-way valve, a second liquid taking pipe connected to the central input port of the second electronic three-way valve and the bottom of the vice liquid storage jar, and a second liquid component detector arranged at one end of the top of the vice purification jar and having a detection end deep into the internal liquid level.
[0011] The first circulation pipe includes a third electronic three-way valve connected to the bottom of the main purification jar and the vice purification jar, a first exhaust pump arranged at the middle top of the third electronic three-way valve, a first gas guide pipe connected to the other end of the first exhaust pump and the top of one side of the main purification jar, and a first gas component detector arranged at one side of the top of the main purification jar and having a detection end arranged in the upper half area inside the main purification jar.
[0012] The second circulation pipe includes a fourth electronic three-way valve arranged at the bottom of the other side of the vice purification jar, a second exhaust pump arranged at the middle top of the fourth electronic three-way valve, a second gas guide pipe connected to the other end of the second exhaust pump and the top of one side of the vice purification jar, a second gas component detector arranged at one side of the top of the vice purification jar and having a detection end arranged in the upper half area inside the vice purification jar, and an exhaust pipe arranged at the other output end of the fourth electronic three-way valve.
[0013] The water outlet pipe comprises two electronic drain valves respectively arranged at the liquid outlet ends of the main purification tank and the auxiliary purification tank.
[0014] In summary, the technical scheme mainly has the following beneficial effects:
[0015] The series connection design of the main purification tank and the auxiliary purification tank realizes multi-stage purification of the waste gas and ensures that the waste gas meets the emission standard; the combination of the gas inlet pipe and the gas inlet pump ensures that the waste gas can be introduced into the purification system stably and efficiently; the circulation spraying device arranged on the side walls of the main purification tank and the auxiliary purification tank can spray the internal chemical agent to absorb the internal waste gas, thereby improving the utilization rate of the chemical agent and greatly improving the absorption efficiency.
[0016] The integrated multiple electronic three-way valves and gas / liquid component detectors realize intelligent monitoring of the waste gas purification process; when the gas component detector detects that the main components of the waste gas in the main purification tank are absorbed to a certain proportion, a signal is automatically triggered to switch the state of the electronic three-way valve to guide the waste gas into the auxiliary purification tank for further treatment; the intelligent switching mechanism greatly improves the purification efficiency and the automation level.
[0017] When the liquid component detector detects that the effective component content of the chemical agent in the purification tank is reduced or the liquid level is lowered, a signal is automatically triggered to switch the state of the electronic three-way valve to supplement new chemical agent from the liquid storage tank; the flexible liquid supply mechanism ensures the continuity and stability of the purification process; through multi-stage purification and intelligent control, efficient treatment and standard emission of the waste gas are realized, which meets the requirements of environmental protection regulations; at the same time, the flexible liquid circulation and supply mechanism ensures the effective utilization and reduction of waste of the chemical agent, which embodies the concept of sustainable development. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is an overall structure isometric view of the utility model;
[0019] Figure 2 It is an overall structure front view of the utility model;
[0020] Figure 3 It is an overall structure side view of the utility model;
[0021] Figure 4 It is an overall structure front view of the utility model.
[0022] BRIEF DESCRIPTION OF DRAWINGS: 10, main purification tank; 11, auxiliary purification tank; 12, main liquid storage tank; 13, auxiliary liquid storage tank; 14, gas inlet pipe; 141, gas inlet pump; 15, first liquid supply pipe; 151, first liquid guide pipe; 152, first spray head; 153, first electronic three-way valve; 154, first liquid pump; 155, first liquid taking pipe; 156, first liquid component detector; 16, second liquid supply pipe; 161, second liquid guide pipe; 162, second spray head; 163, second electronic three-way valve; 164, second liquid pump; 165, second liquid taking pipe; 166, second liquid component detector; 17, first circulation pipe; 171, third electronic three-way valve; 172, first exhaust pump; 173, first gas guide pipe; 174, first gas component detector; 18, second circulation pipe; 181, fourth electronic three-way valve; 182, second exhaust pump; 183, second gas guide pipe; 184, second gas component detector; 185, exhaust pipe; 19, water outlet pipe; 191, electronic water discharge valve. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application.
[0024] EMBODIMENT
[0025] Please refer to the drawings in the embodiments of the present application Figure 1 , 2The utility model provides an exhaust gas purification device for ammonium chloride production shown in 1, 2, 3, 4, an exhaust gas purification device for ammonium chloride production, including main purification jar 10, the vice purification jar 11 that is established in main purification jar 10 output end, its characterized in that, the main liquid storage jar 12 that is established in one end of main purification jar 10, the vice liquid storage jar 13 that is established in one end of vice purification jar 11, the air inlet pipe 14 that is established in one side of main purification jar 10, the first liquid supply pipe 15 that is connected with main purification jar 10 and main liquid storage jar 12, the second liquid supply pipe 16 that is connected with vice purification jar 11 and vice liquid storage jar 13, the first circulation pipe 17 that is connected with main purification jar 10 and vice purification jar 11, the second circulation pipe 18 that is established in the other side of vice purification jar 11, the water outlet pipe 19 that is established in the other end of main purification jar 10 and vice purification jar 11, the air inlet pipe 14 includes the air inlet pump 141 that is established in the middle part, the first circulation pipe 17 includes the third electronic tee valve 171 that is connected with the bottom of main purification jar 10 and vice purification jar 11, the first exhaust pump 172 that is established in the middle part top of third electronic tee valve 171, the first gas guide pipe 173 that is connected with the other end of first exhaust pump 172 and the top of one side of main purification jar 10, the first gas composition detector 174 that is established in the top of one side of main purification jar 10 and the detection end is established in the upper half area inside main purification jar 10, the second circulation pipe 18 includes the fourth electronic tee valve 181 that is established in the other side of the bottom of vice purification jar 11, the second exhaust pump 182 that is established in the middle part top of fourth electronic tee valve 181, the second gas guide pipe 183 that is connected with the other end of second exhaust pump 182 and the top of one side of vice purification jar 11, the second gas composition detector 184 that is established in the top of one side of vice purification jar 11 and the detection end is established in the upper half area inside vice purification jar 11, the exhaust pipe 185 that is established in the other output end of fourth electronic tee valve 181.
[0026] The above, the air inlet pipe 14 can be connected to the exhaust end of ammonium chloride production equipment, and the air inlet pump 141 is responsible for pumping the exhaust gas along the air inlet pipe 14 into the bottom of the main purification jar 10, and the lower half space inside the main purification jar 10 contains a chemical agent for absorbing the main components of the exhaust gas, responsible for the first absorption of the main components in the exhaust gas, at the same time, the first exhaust pump 172 is started, and the exhaust gas is discharged to the third electronic tee valve 171 through the first gas guide pipe 173, the third electronic tee valve 171 is normally on the first exhaust pump 172 and the bottom of the main purification jar 10, so that the exhaust gas is circulated in the main purification jar 10 for purification, and the exhaust gas after multiple first absorption is detected and identified by the first gas composition detector 174 when escaping upward, and when the first gas composition detector 174 judges that the main components of the internal exhaust gas are absorbed to a certain proportion, an electrical signal is sent to make the third electronic tee valve 171 close the bottom of the main purification jar 10, connect the bottom of the vice purification jar 11, and guide the first exhaust gas into the vice purification jar 11.
[0027] Please refer to the drawings Figure 1 、 3 , as shown in FIG. 4, the first liquid supply pipe 15 includes a first liquid guide pipe 151 arranged at the top of the main purification tank 10 and the bottom of one end, a first spray head 152 arranged at the top end inside the main purification tank 10 and connected to the output end of the first liquid guide pipe 151, a first electronic three-way valve 153 arranged at the middle of the first liquid guide pipe 151, a first liquid pump 154 arranged at the top of the first electronic three-way valve 153, a first liquid taking pipe 155 connected to the central input port of the first electronic three-way valve 153 and the bottom of the main liquid storage tank 12, and a first liquid component detector 156 arranged at one end of the top of the main purification tank 10 and with the detection end deep into the liquid level inside; the second liquid supply pipe 16 includes a second liquid guide pipe 161 arranged at the top of the auxiliary purification tank 11 and the bottom of the other end, a second spray head 162 arranged at the top end inside the auxiliary purification tank 11 and connected to the output end of the second liquid guide pipe 161, a second electronic three-way valve 163 arranged at the middle of the second liquid guide pipe 161, a second liquid pump 164 arranged at the top of the second electronic three-way valve 163, a second liquid taking pipe 165 connected to the central input port of the second electronic three-way valve 163 and the bottom of the auxiliary liquid storage tank 13, and a second liquid component detector 166 arranged at one end of the top of the auxiliary purification tank 11 and with the detection end deep into the liquid level inside; the water outlet pipe 19 includes two electronic drain valves 191 arranged at the liquid outlet ends of the main purification tank 10 and the auxiliary purification tank 11 respectively.
[0028] As described above, when the chemical agent purifies the exhaust gas in the main purification tank 10, the first liquid pump 154 is also started in real time. In normal state, the first electronic three-way valve 153 is connected to the first liquid pump 154 and the bottom of the main purification tank 10, and the first liquid pump 154 supplies the chemical agent in the bottom of the main purification tank 10 to the first spray head 152 through the first liquid guide pipe 151, so that the chemical agent reacts with the exhaust gas at the top end inside the main purification tank 10 in the form of spraying, thereby improving the absorption efficiency of the exhaust gas components. When the first liquid component detector 156 detects that the effective component content of the chemical agent in the main purification tank 10 is reduced to a certain proportion or the liquid level is reduced to a certain degree, an electric signal is sent to make the first electronic three-way valve 153 close the bottom of the main purification tank 10 and connect the first liquid taking pipe 155. At this time, the first liquid pump 154 uses the chemical agent in the main liquid storage tank 12. The second liquid supply pipe 16 has the same working principle as the first liquid supply pipe 15. After one round of absorption, the electronic drain valves 191 at the liquid outlet ends of the main purification tank 10 and the auxiliary purification tank 11 are opened, and the absorption liquid is discharged from the system through the water outlet pipe 19.
[0029] The above embodiments only illustrate the technical idea of the present application, and cannot limit the protection scope of the present application. Any modification made on the basis of the technical solution according to the technical idea of the present application falls within the protection scope of the present application.
Claims
1. An exhaust gas purification device for ammonium chloride production, comprising a main purification tank (10) and a sub-purification tank (11) provided at the output end of the main purification tank (10), characterized in that, A main liquid storage tank (12) is arranged at one end of the main purification tank (10), a secondary liquid storage tank (13) is arranged at one end of the secondary purification tank (11), an air inlet pipe (14) is arranged at one side of the main purification tank (10), a first liquid supply pipe (15) is connected between the main purification tank (10) and the main liquid storage tank (12), a second liquid supply pipe (16) is connected between the secondary purification tank (11) and the secondary liquid storage tank (13), a first circulation pipe (17) is connected between the main purification tank (10) and the secondary purification tank (11), a second circulation pipe (18) is arranged at the other side of the secondary purification tank (11), and a water outlet pipe (19) is arranged at the other end of the main purification tank (10) and the secondary purification tank (11).
2. The exhaust gas purification device for ammonium chloride production according to claim 1, characterized by, The air inlet pipe (14) comprises an air inlet pump (141) arranged at the middle part.
3. The exhaust gas purification device for ammonium chloride production according to claim 1, characterized by The first liquid supply pipe (15) comprises a first liquid guide pipe (151) arranged between the top part and the bottom part of one end of the main purification tank (10), a first spray head (152) arranged at the top end inside the main purification tank (10) and connected to the output end of the first liquid guide pipe (151), a first electronic three-way valve (153) arranged at the middle part of the first liquid guide pipe (151), a first liquid pump (154) arranged at the top part of the first electronic three-way valve (153), a first liquid taking pipe (155) connected between the central input port of the first electronic three-way valve (153) and the bottom part of the main liquid storage tank (12), and a first liquid component detector (156) arranged at one end of the top part of the main purification tank (10) and having a detection end deep into the liquid level inside.
4. The exhaust gas purification device for ammonium chloride production according to claim 1, characterized by The second liquid supply pipe (16) comprises a second liquid guide pipe (161) arranged between the top part and the bottom part of two ends of the secondary purification tank (11), a second spray head (162) arranged at the top end inside the secondary purification tank (11) and connected to the output end of the second liquid guide pipe (161), a second electronic three-way valve (163) arranged at the middle part of the second liquid guide pipe (161), a second liquid pump (164) arranged at the top part of the second electronic three-way valve (163), a second liquid taking pipe (165) connected between the central input port of the second electronic three-way valve (163) and the bottom part of the secondary liquid storage tank (13), and a second liquid component detector (166) arranged at one end of the top part of the secondary purification tank (11) and having a detection end deep into the liquid level inside.
5. The exhaust gas purification device for ammonium chloride production according to claim 1, characterized by The first circulation pipe (17) comprises a third electronic three-way valve (171) connected between the bottom part of the main purification tank (10) and the secondary purification tank (11), a first exhaust pump (172) arranged at the middle part top of the third electronic three-way valve (171), a first air guide pipe (173) connected between the other end of the first exhaust pump (172) and the top part of one side of the main purification tank (10), and a first gas component detector (174) arranged at one side of the top part of the main purification tank (10) and having a detection end arranged in the upper half area inside the main purification tank (10).
6. The exhaust gas purification device for ammonium chloride production according to claim 1, characterized by The second circulation pipe (18) comprises a fourth electronic three-way valve (181) arranged at the other side of the bottom of the auxiliary purification tank (11), a second exhaust pump (182) arranged at the top of the middle of the fourth electronic three-way valve (181), a second gas guide pipe (183) connecting the other end of the second exhaust pump (182) and the top of one side of the auxiliary purification tank (11), a second gas component detector (184) arranged at one side of the top of the auxiliary purification tank (11) and having a detection end arranged in the upper half area inside the auxiliary purification tank (11), and an exhaust pipe (185) arranged at the other output end of the fourth electronic three-way valve (181).
7. The exhaust gas purification device for ammonium chloride production according to claim 1, characterized by The water outlet pipe (19) comprises two electronic drain valves (191) arranged at the liquid outlet ends of the main purification tank (10) and the auxiliary purification tank (11) respectively.
Citation Information
Patent Citations
Dual waste gas purification device for chemical experiment
CN214486202U