CN114291860A - Organic waste liquid schizolysis system in laboratory - Google Patents
Organic waste liquid schizolysis system in laboratory Download PDFInfo
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- CN114291860A CN114291860A CN202210112762.5A CN202210112762A CN114291860A CN 114291860 A CN114291860 A CN 114291860A CN 202210112762 A CN202210112762 A CN 202210112762A CN 114291860 A CN114291860 A CN 114291860A
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Abstract
The invention provides a laboratory organic waste liquid cracking system, wherein a flame stabilizer (112) is distributed in a waste liquid reaction device (1), and an air pipe is arranged at the periphery of the flame stabilizer; a liquid sprayer is arranged on the waste liquid reaction device (1); and the intersection point of the central lines of the liquid sprayers is deviated to the right of the central line of the flame stabilizer; arranging a flow guiding arch (123), wherein the flow guiding arch (123) is positioned above the flame holder (121); the waste liquid sprayed into the waste liquid reaction device (1) through the liquid sprayer, the reaction product obtained through the reaction enters the waste heat recovery device (2) for preliminary cooling, then enters the flue gas quenching and desulfurization integrated device (3) for quenching desulfurization, then flows through the flue gas dehydration device (4) to remove the moisture contained in the flue gas, and finally, the residual harmful components are filtered through the flue gas purification device (5). The invention can ensure the requirements of the reaction of the initial waste liquid on the space section and the requirements of the subsequent reaction on the temperature.
Description
Technical Field
The invention belongs to the technical field of organic waste liquid experimental equipment, and relates to a laboratory organic waste liquid cracking system.
Background
With the rapid development of scientific technology in China, laboratories of colleges, scientific research institutions and enterprises are continuously expanded, the types, the number and the scale of the laboratories are also continuously increased, and the pollution problem caused by laboratory wastes is caused. The laboratory waste mainly comprises solid waste, waste liquid, waste gas, biological pollutants of viruses and pathogenic bacteria and the like. Laboratory wastes in colleges and universities have high toxicity and high harmfulness, but environmental protection departments do not list items for environmental protection detection, and even if the items are listed, the laboratory wastes are small in quantity and easy to dilute by domestic sewage and are difficult to detect.
The laboratory waste liquid mainly comes from laboratory research laboratories of various research units and scientific research and teaching laboratories of higher colleges and universities. Laboratory waste has its own special properties: less amount, strong discontinuity, high harm and complex and variable components. The waste liquid can be divided into two main categories of organic waste liquid and inorganic waste liquid in a laboratory according to the properties of main pollutants contained in the waste liquid. The inorganic waste liquid mainly contains heavy metal, heavy metal complex, acid and alkali, cyanide, sulfide, halogen ions, other inorganic ions and the like. The organic waste liquid contains common organic solvent, organic acid, ether, polychlorinated biphenyl, organic phosphorus compound, phenol, petroleum and grease. In contrast, organic waste liquid is more polluted than inorganic waste liquid, and the harm is more serious. Different waste liquids have different pollutant compositions and different treatment methods and effects. The treatment of the laboratory waste liquid is based on the principles of classified collection, local and timely in-situ treatment, simple operation, treatment of waste by waste and cost reduction.
At present, the common method for treating the organic waste liquid in the laboratory is to collect the organic waste liquid in a centralized way and then convey the organic waste liquid to a treatment mechanism for treatment, the method has potential safety hazards such as leakage when the waste is not treated in time, and the treatment process of various organic waste liquids with different components by professional treatment companies is complicated and high in cost.
Therefore, a laboratory waste liquid reaction system capable of carrying out on-site real-time treatment on laboratory organic waste liquid is urgently needed.
Disclosure of Invention
Aiming at the defects of untimely waste treatment, potential safety hazards such as leakage and the like and high treatment cost in the prior art, the invention provides a laboratory organic waste liquid cracking system which can effectively treat laboratory organic waste liquid on site and ensure that the treated organic waste liquid meets the national emission standard; the invention has high treatment efficiency and low single-quantity treatment cost of the waste.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a laboratory organic waste liquid cracking system, which comprises:
the waste liquid reaction device is provided with a waste heat recovery device, a flue gas quenching and desulfurizing integrated device, a flue gas dehydration device and a flue gas purification device in sequence at the tail end of the waste liquid reaction device;
the waste liquid reaction device comprises a conical collection part positioned at the bottom, a reaction body positioned in the middle vertical section and a tail gas outlet part positioned at the upper part; the left side of the tail gas outlet part is an inclined plane which inclines rightwards, and the right side of the tail gas outlet part is a vertical plane; the end part of the left inclined plane is positioned on the right side of the center line of the reaction body;
a flame stabilizer is arranged in the cavity of the waste liquid reaction device, and an air pipe communicated with the cavity is arranged at the periphery of the flame stabilizer; the waste liquid reaction device is provided with a plurality of liquid sprayers which can spray waste liquid into the cavity structure, and the intersection point of the central lines of the liquid sprayers is deviated to the right of the central line of the flame stabilizer; a flow guide arch is arranged on the waste liquid reaction device and is positioned above the flame stabilizer; the bottom of the waste liquid reaction device is connected with a slag and ash collecting device;
the waste liquid is sprayed into the waste liquid reaction device through the liquid sprayer, reaction products are obtained through the reaction of the waste liquid reaction device, the reaction products enter the waste heat recovery device to be preliminarily cooled, then enter the flue gas quenching and desulfurizing integrated device to be quenched and desulfurized, then flow through the flue gas dehydration device to remove moisture contained in the flue gas, and finally the residual harmful components are filtered through the flue gas purification device.
More preferably, the flame holder is of a turbine-type structure as a whole, the middle part of the flame holder is oval-like and solid, and the periphery of the solid flame holder is provided with a turbine-type channel.
More preferably, a plurality of primary air ducts are arranged on the collecting part; the primary air pipes are arranged in a multilayer circular ring type mode, the central plane of the reaction body is used as an interface, and the primary air pipes on the left side of the interface are deviated to the right; the primary air pipe on the right side of the interface is vertically upward;
alternatively, the first and second electrodes may be,
a primary air pipe is arranged on the collecting part; the primary air pipe is a vertical air pipe, air outlets are formed in the periphery of the vertical air pipe in a staggered mode, and the diameters of the air outlets from bottom to top are reduced in sequence;
alternatively, the first and second electrodes may be,
a plurality of primary air pipes are arranged on the reaction body, and the central lines of the primary air pipes are positioned on the same horizontal plane and below the flame stabilizer.
More preferably, the plurality of liquid sprayers are arranged on the reaction body; alternatively, the plurality of liquid sprayers are arranged on a tapered surface of the collecting part.
More preferably, in the reaction body, along the reaction flow direction of the organic waste liquid, multiple stages of flow guide arches are arranged in a staggered manner from bottom to top.
More preferably, the lower surface of the flow guide arch and the horizontal plane form an included angle b, and the included angle b satisfies the following conditions: 15 DEG < b < 65 DEG; the height of a vertical section surface of the right side of the reaction body cavity is A, the free end of the left side of the reaction body cavity is in a circular arc shape with the radius of R1, and the R1 satisfies the following conditions: r1 is (0.3-0.8) A.
More preferably, the height from the first-stage flow guide arch arranged on the right side of the waste liquid reaction device to the flame holder is H1; the free end of the reaction tube is arranged at the left side of the central line of the waste liquid reaction device, and the H1 satisfies the following conditions: 0.2D < H1< D; wherein D is the diameter of the reaction mass;
the height from the second-stage flow guide arch to the first-stage flow guide arch arranged on the left side of the waste liquid reaction device is H2, and the end part of the free end of the second-stage flow guide arch is superposed with the central line of the waste liquid reaction device; the H2 satisfies: h2 is 0.5-1.5H 1, wherein H1 is the height of the first-stage guide arch from the flame stabilizer;
the third-stage flow guide arch is arranged on the right side of the waste liquid reaction device, the height from the first-stage flow guide arch is H3, and the end part of the free end of the third-stage flow guide arch is positioned on the right side of the central line of the waste liquid reaction device; the H3 satisfies: h3 is 0.5-1.5H 1; h1 is the height of the first stage guide arch from the flame holder.
More preferably, a secondary air pipe is arranged on the wall of the reactor body opposite to the second-stage flow guide arch; the outlet center line of the secondary air pipe is at the same height with the upper edge of the second-stage flow guide arch;
a tertiary air pipe is arranged on the wall of the reaction body opposite to the third-stage flow guide arch; the outlet center line of the tertiary air pipe and the upper edge of the third-stage flow guide arch are at the same height.
More preferably, the flue gas dehydration device comprises:
a preorder dewatering device, a tail end dewatering device and a water collecting tank arranged at the bottom of the tail end dewatering device;
the pre-dewatering device is internally provided with a multi-stage dewatering body, the water-containing smoke is dewatered by the pre-dewatering device in sequence, condensed water drops and other smoke enter the tail-end dewatering device together, and water drops falling back after being impacted by the tail-end dewatering device are collected in the water collecting tank.
More preferably, the terminal dewatering device includes: the device comprises a vertical baffle, an inclined baffle on one side of the vertical baffle and a reflux baffle on the other side of the vertical baffle; the inclined baffle and the backflow baffle form an inverted V-shaped structure with an opening at the lower end, and the opening at the lower end of the inclined baffle and the backflow baffle is communicated with the water collecting tank; the included angle between the inclined baffle and the horizontal plane is smaller than the included angle between the backflow baffle and the horizontal plane; the vertical baffle and the inclined baffle form a sudden shrinkage structure, and the vertical baffle and the backflow baffle form a sudden expansion structure; the vertical projection of the vertical baffle plate falls on the inclined baffle plate, and a gap is reserved between the bottom end of the vertical baffle plate and the inclined baffle plate; a flue gas through hole leading to the flue gas purification device is formed in the position, close to the top end, of the backflow baffle;
alternatively, the first and second electrodes may be,
the tail end dehydration device is a double dehydration structure with a bilateral symmetry structure and comprises a vertical baffle, an inclined baffle and a reflux baffle; the vertical baffle and the inclined baffles symmetrically arranged at two sides of the vertical baffle form two projecting structures; the two backflow baffles are of inverted V-shaped structures, the bottom ends of the backflow baffles are opened and connected with the water collecting tank, the backflow baffles and the inclined baffles on the two sides form bilaterally symmetrical sudden expansion structures, and the flaring openings of the two sudden expansion structures are respectively communicated with the flue gas purification devices arranged on the two sides of the tail end dehydration device;
alternatively, the first and second electrodes may be,
the tail end dehydration device comprises a double dehydration structure with a bilateral symmetry structure, and gathering barrels are respectively arranged on two sides of the double dehydration structure; the double dehydration structure comprises a vertical baffle, an inclined baffle and a reflux baffle; the vertical baffle and the inclined baffles symmetrically arranged at two sides of the vertical baffle form two projecting structures; the two backflow baffles are of an inverted V-shaped structure, the bottom ends of the backflow baffles are opened and connected with the water collecting tank, and the backflow baffles and the inclined baffles on the two sides form a bilaterally symmetrical sudden expansion structure; the flaring of the sudden expansion structure is respectively communicated with the gathering barrel, the upper part of the gathering barrel is provided with an opening communicated with the flue gas purification device, and the bottom of the gathering barrel is provided with an opening communicated with the water collecting tank.
According to the technical scheme of the invention, the invention has the following beneficial effects:
1. the waste liquid reaction device comprises a conical collection part positioned at the bottom, a reaction body positioned at the middle vertical section and a tail gas outlet part positioned at the upper part; the left side of the tail gas outlet part is an inclined plane which inclines rightwards, and the right side of the tail gas outlet part is a vertical plane; the end of the left side bevel is located to the right of the reactor centerline. This application is located the right side of reactor central line through the tip of restriction left side inclined plane, and the velocity of flow when can adjusting tail gas and turning to, the control velocity of flow can make great, the heavier dust particle separation in the tail gas get off.
2. A flame stabilizer is arranged in the waste liquid reaction device, and an air pipe is arranged at the periphery of the flame stabilizer and communicated with the cavity of the waste liquid reaction device; the waste liquid reaction device is provided with a plurality of liquid sprayers which can spray waste liquid into the cavity structure, and the intersection point of the central lines of the liquid sprayers is deviated to the right of the central line of the flame stabilizer; a flow guide arch is arranged on the waste liquid reaction device and is positioned above the flame stabilizer. Through setting up the water conservancy diversion arch, can force the flue gas to walk the S-shaped route, in same height, increased the flow of tail gas, under same velocity of flow, increased dwell time, reduced equipment height. When the waste liquid treatment capacity is smaller, the fullness of the tail gas in the waste liquid reaction device is increased, and the change of the load is adapted better.
3. According to the invention, the refractory material lining is arranged on the inner wall surface of the waste liquid reaction device, so that the temperature inside the reaction device is uniform, the reaction rate is improved, the stability of the organic waste liquid treatment process is enhanced, and the reaction device is protected to a certain extent.
4. This application has arranged the primary air pipe near bottom position department in waste liquid reaction unit's collection portion. The primary air pipes are arranged in a multilayer circular ring mode, the primary air pipes use the central plane of the collecting part as an interface, and the primary air pipes on the left side of the interface are deviated to the right; the primary air pipe on the right side of the interface is vertically upward. The multilayer circular ring type arrangement mode can improve the wind speed of primary wind, increase the penetrating power of the primary wind, strengthen the cyclone effect of cyclone reactants, better mix with waste liquid and facilitate the smooth combustion; meanwhile, the reactants are fully contacted with the wall surface, so that heat can be effectively absorbed, and the reaction rate is improved.
5. The flame stabilizer is a turbine flame stabilizer, the middle part of the flame stabilizer is oval solid, and the periphery of the solid flame stabilizer is a turbine channel; the flame stabilizer is made of high heat storage, abrasion-proof and high temperature resistant materials. The middle elliptical solid arrangement of the flame stabilizer can ensure that the waste liquid drops entering the lower reaction body at the beginning can be quickly evaporated and cracked to reach the ignition point; turbine formula passageway makes better the mixing of reactant and air around the flame stabilizer, improves reaction rate, does benefit to the inner loop that the waste liquid reacted simultaneously and is full of whole lower part reactant, improves lower part reactant utilization ratio.
6. The upper contraction section conical surface of the lower reaction body is provided with a plurality of liquid sprayers, and the plurality of sprayers can realize mixed spraying of low-heat-value waste liquid and high-heat-value waste liquid, so that the total heat value of the waste liquid is improved, and the stability and the efficiency of waste liquid treatment are improved; the design of the included angle of the liquid sprayer provides a powerful condition for the formation of the internal circulation of the waste liquid reaction. The intersection point of the central lines of the left conical surface liquid sprayer and the right conical surface liquid sprayer is inclined to the right in the middle of the flame stabilizer, namely the intersection point of the central lines of the liquid sprayers is ensured to be positioned on the right side of the central line of the reaction device, and the intersection point is combined with a left air pipe of a primary air pipe to incline to the right, so that the intersection position of waste liquid and air can be positioned on the right side of the reaction device, and the reaction position of the waste liquid is positioned below the lowest flow guide arch and far away from the outlet position of the flow guide arch; and the primary air pipe provides air required by the waste liquid reaction, the flame stabilizer and the guide arch accumulate heat to provide required reaction temperature, the smooth proceeding of the waste liquid reaction is ensured, and the device is more suitable for waste liquids with different components and different types.
7. In the reaction body, multistage guide arches are arranged in a staggered manner from bottom to top along the reaction flow direction of the organic waste liquid, and a secondary air pipe and a tertiary air pipe are arranged on the wall of the reaction body opposite to the guide arches; after the tail gas is forced to change in the flowing direction by the guide arch, the components in the reaction body can be distributed more uniformly, and the further reaction with the secondary air and the tertiary air can be more complete, so that the components in the tail gas of the reaction body can be fully decomposed and reacted.
8. In the application, the outlet center lines of the secondary air pipe and the tertiary air pipe are at the same height with the upper edges of the corresponding diversion arches. Such structure can guarantee that overgrate air, tertiary air mix in the place that the left side is minimum, and the circulation cross-section is little, and the exhaust flow velocity is high, and the high disturbance to tail gas of velocity of flow makes air and flue gas mix more evenly.
9. The left side of a primary air pipe arranged on a collecting part is inclined to the right, primary air blows to the right side, the right side of the primary air pipe is vertically arranged, and primary air blows upwards, so that reactant incineration is mainly carried out on the right side; the tail gas outlet of the tuyere part is arranged on the left side, so that the burning time of reactants is prolonged; the diversion arch has a strong heat storage function, is matched with the heat storage function of the flame stabilizer, enhances the incineration of the waste liquid, and has wider adaptability to the heat value of the waste liquid.
10. A plurality of stages of temperature measuring points are arranged in the whole waste liquid reaction device, and the temperature measuring points and the three air supply devices are linked to carry out coupling control. The reaction degree of the lower product is obtained through temperature monitoring, and further the conveying amount of primary air, secondary air and tertiary air is controlled, so that the automatic control of the whole reaction device and the self-adaptive adjustment during the change of the waste liquid flow are achieved, the reaction time of a treatment system during the fluctuation of the waste liquid conveying amount can be effectively prolonged, the reaction rate is increased, and meanwhile, the reaction is fully and thoroughly carried out.
11. The flue gas dehydration device is provided with a multi-stage dehydration device and a tail end dehydration device, the bottom of the tail end dehydration device is provided with a water collecting tank, the wall surfaces of the tail end dehydration device are provided with linings made of dehydration materials, and condensed water drops and other flue gases after the flue gases pass through the multi-stage dehydration device enter the tail end dehydration device together; the middle part of the tail end dehydration device is provided with a vertical baffle, and the included angle between the inclined baffle and the horizontal plane is smaller than the included angle between the reflux baffle and the horizontal plane; the vertical baffle and the inclined baffle form a sudden shrinkage structure, and the vertical baffle and the backflow baffle form a sudden expansion structure; the vertical projection of the vertical baffle falls on the inclined baffle; flue gas and drop of water mixture are under the inertial force effect when flowing to the backward flow baffle through the slope baffle, and the inside lining of the dehydration material on the slope surface of a left side can be washed away to the mixture, strengthens the dehydration effect, collects the water catch bowl smoothly to the water droplet that mix with in the flue gas simultaneously.
12. The on-site real-time treatment system for the organic waste liquid in the laboratory realizes a modular structure, and has the advantages of high integration level, compact structure, flexible arrangement, small occupied area, high treatment efficiency, low single-amount treatment cost of the organic waste liquid, and capability of effectively treating the organic waste liquid in the laboratory.
Drawings
FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a primary air duct according to a first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a flame holder according to a first embodiment of the invention;
FIG. 4 is a schematic structural diagram of a guide arch according to a first embodiment of the present invention;
FIG. 5 is a schematic structural view of a waste liquid reaction apparatus in a second embodiment of the present invention;
FIG. 6 is a schematic structural view of a waste liquid reaction apparatus in a third embodiment of the present invention;
FIG. 7 is a schematic view of a combined structure of a flue gas dehydration device and a flue gas purification device in a fourth embodiment of the present invention;
fig. 8 is a schematic view of a combined structure of a flue gas dehydration device and a flue gas purification device in the fourth embodiment of the present invention.
Reference numerals:
the system comprises a waste liquid reaction device 1, a waste heat recovery device 2, a flue gas quenching and desulfurizing integrated device 3, a flue gas dehydration device 4 and a flue gas purification device 5; a collecting part 11, a reaction body 12 and an exhaust outlet part 13; a primary air pipe 111, a flame stabilizer 121, a liquid sprayer 122 and a flow guide arch 123; a front dehydration device 41, a tail end dehydration device 42 and a water collecting tank 43.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the present specification, terms of orientation or positional relationship such as up, down, left, right, inside, outside, front, rear, head, and tail are established based on the orientation or positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or capable of communicating with each other, directly connected, indirectly connected through an intermediate medium, or communicated between two components, or interacting between two components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment is as follows:
the invention provides a laboratory organic waste liquid cracking system, the structure of which is shown in figure 1, and the system comprises: the device comprises a waste liquid reaction device 1, a waste heat recovery device 2, a flue gas quenching and desulfurizing integrated device 3, a flue gas dehydration device 4 and a flue gas purification device 5.
The waste liquid reaction apparatus 1 comprises a conical collection part 11 at the bottom, a reaction body 12 at the middle vertical section, and an off-gas outlet part 13 at the upper part. The waste liquid reaction device 1 is connected with a slag collecting device through a collecting part 11; the tail end of a tail gas outlet part 13 of the waste liquid reaction device 1 is communicated with the waste heat recovery device 2, and a flue gas quenching and desulfurizing integrated device 3, a flue gas dehydration device 4 and a flue gas purification device 5 are sequentially arranged behind the waste heat recovery device 2.
The waste liquid enters the waste liquid reaction device 1, after reaction in the reaction body 12, the generated reaction product is primarily cooled through the waste heat recovery device 2, enters the flue gas quenching and desulfurizing integrated device 3 for quenching and desulfurizing, so that the temperature of the flue gas is reduced to a specified range, meanwhile, part of fine dust is removed, then the flue gas passes through the flue gas dehydration device 4 to remove the moisture contained in the flue gas, and finally, the residual harmful components are filtered through the flue gas purification device 5 and are discharged after reaching the standard.
The structure and function of each device are as follows:
the inner wall surface of the waste liquid reaction device 1 is provided with a refractory lining. Arrange the refractory material inside lining through the internal face at waste liquid reaction unit 1, be favorable to the internal temperature of reaction even, improve reaction rate, strengthen organic waste liquid treatment process stability, play certain guard action to waste liquid reaction system itself simultaneously.
The waste liquid reaction apparatus 1 comprises a collection section 11 located at a bottom-necking section, a reaction body 12 located at a middle-middle straight section, and an off-gas outlet section 13 located at an upper eccentric section.
The collecting part 11:
a primary air duct 111 is disposed in the collecting portion 11 near the bottom. As shown in fig. 2, the primary air pipes 111 are arranged in a multi-layer circular ring shape, the primary air pipes 111 take the central plane of the collecting part 11 as an interface, and the primary air pipes 111 on the left side of the interface are deviated to the right; the primary air pipe 111 on the right side of the interface is vertically upward.
The multilayer circular ring type arrangement mode can improve the wind speed of primary wind, increase the penetrating power of the primary wind, strengthen the cyclone effect of cyclone reactants, better mix with waste liquid and facilitate the smooth combustion; meanwhile, the reactants are fully contacted with the wall surface, so that heat can be effectively absorbed, and the reaction rate is improved.
Reaction body 12:
the cross sections of the reaction bodies 12 in the middle straight section are the same and are symmetrical left and right;
a flame holder 121 is disposed within the reaction body 12. The flame holder 121 is a turbine-type structure as shown in fig. 3, wherein the middle part is a solid similar to an ellipse, and the periphery of the solid is a turbine-type channel. The flame holder 121 is made of a high heat storage, wear-resistant, and high temperature-resistant material. The ellipse-like solid structure in the middle of the flame stabilizer 121 can make the waste liquid droplets of the initial reactant 12 evaporate and crack rapidly and reach the ignition point; the turbine type channels around the flame stabilizer 121 enable reactants and primary air input through the primary air pipe 111 to be better mixed, reaction rate is improved, internal circulation beneficial to waste liquid reaction is filled with the whole lower reaction body, and utilization rate of the lower reaction body is improved.
A plurality of sprayers 122 are also disposed on the reaction body 12, and a junction of center lines of the sprayers 122 is disposed to the right of a center line of the pressurizer 121. The sparger 122 provides a powerful condition for the formation of the internal circulation of the waste liquid reaction. The liquid spray 122 may be the same type of liquid or different types of liquid without chemical reaction, and the liquid with low heat value and the liquid with high heat value are sprayed into the liquid reaction device 1 together, so as to ensure that the liquid with low heat value reaches stable treatment and corresponding treatment temperature. Therefore, the multiple liquid sprayers 122 can realize mixed spraying of the low-calorific-value waste liquid and the high-calorific-value waste liquid, the overall calorific value of the waste liquid can be improved, and the stability and the efficiency of waste liquid treatment are improved.
In the reaction body 12, along the reaction flow direction of the organic waste liquid, a plurality of stages of diversion arches 123 are arranged from bottom to top in a staggered manner, and the diversion arches 123 can be integrally poured by high-temperature-resistant and high-strength wear-resistant pouring materials and are integrated with the inner wall surface of the cavity of the waste liquid reaction device 1. As shown in fig. 1, three stages of flow guiding arches, i.e., a first stage flow guiding arch, a second stage flow guiding arch, and a third stage flow guiding arch, are arranged in the reaction body 12; the structure of the diversion arch 123 is shown in fig. 4, the included angle b between the lower surface of the diversion arch and the horizontal plane satisfies the following conditions: 15 DEG < b < 65 DEG; the height of a vertical section surface of the right side of the reaction body cavity is A, the free end of the left side of the reaction body cavity is in a circular arc shape with the radius of R1, and the R1 satisfies the following conditions: r1 is (0.3-0.8) A.
The first-stage flow guide arch arranged on the right side of the waste liquid reaction device 1 is positioned above the flame holder 121, and the height from the flame holder 121 is H1; the free end part of the waste liquid reaction device is arranged at the left side of the central line of the waste liquid reaction device 1, and the distance from the central line of the waste liquid reaction device 1 is L1; the L1 and H1 satisfy: -1/4D < L1<1/4D, 0.2D < H1< D; wherein D is the diameter of the reaction body 12 of the waste liquid reaction apparatus 1.
The height H1 ensures that enough space is provided below the diversion arch on one hand, and the space requirement required by waste liquid reaction is met; on the other hand, the diversion arch can be ensured to have the functions of heat storage and heat supply for the reaction. The height is too low, the space is too small, and the reaction process of waste liquid is blocked; the height is too high, the space is too large, a temperature field and a flow field required by the reaction cannot be formed, and meanwhile, the function of the flow guide arch is reduced or even does not work.
L1 is mainly used to ensure the waste liquid reaction position below the diversion arch and to ensure the reactant flowing through the diversion arch has proper speed.
The height from the second-stage flow guide arch to the first-stage flow guide arch, which is arranged on the left side of the waste liquid reaction device 1, is H2, and the end part of the free end of the second-stage flow guide arch is superposed with the central line of the waste liquid reaction device 1; the H2 satisfies: h2 is 0.5-1.5H 1, wherein H1 is the height of the first-stage guide arch from the flame stabilizer 121.
The third-stage flow guide arch is arranged on the right side of the waste liquid reaction device 1, the height from the first-stage flow guide arch is H3, the end part of the free end of the third-stage flow guide arch is arranged on the right side of the central line of the waste liquid reaction device 1, and the distance from the central line of the waste liquid reaction device 1 is L2; the L2 and H3 satisfy: -1/4D < L2<1/4D, H3 ═ 0.5-1.5H 1; wherein D is the diameter of the reaction body 12 of the waste liquid reaction apparatus 1; h1 is the height of the first stage guide arch from the flame holder 121.
The heights H1-H3 are mainly used for ensuring the space required by the reaction and have proper temperature fields and flow fields.
In the waste treatment, there is clear requirement to tail gas residence time in high temperature district, is no less than 2S, and this application is through setting up water conservancy diversion arch 123, can force the flue gas to walk the S-shaped route, in same height, has increased the flow of tail gas, under same velocity of flow, has increased residence time, has reduced equipment height. When the waste liquid treatment capacity is smaller, the fullness of the tail gas in the waste liquid reaction device 1 is increased, and the change of the load is adapted better.
In addition, the left side of the primary air pipe 111 is inclined to the right, primary air blows to the right side, the right side is vertically arranged, and primary air blows upwards, so that reactant incineration is mainly carried out on the right side; the tail gas outlet of the tuyere part is arranged on the left side, so that the burning time of reactants is prolonged; the diversion arch 123 has a strong heat storage function, and is matched with the heat storage function of the flame stabilizer 121, so that the incineration of the waste liquid is enhanced, and the adaptability to the heat value of the waste liquid is wider.
The secondary air pipe and the tertiary air pipe are arranged on the wall of the reaction body 12 opposite to the second-stage flow guide arch and the third-stage flow guide arch. The outlet center line of the secondary air pipe is at the same height with the upper edge of the second-stage flow guide arch; the outlet center line of the tertiary air pipe and the upper edge of the tertiary diversion arch are at the same height. The advantages of such an arrangement are: the secondary air and the tertiary air can be mixed at the place with the smallest left surface, the flow cross section is small, the tail gas flow speed is high, the disturbance of the flow speed on the tail gas is high, and the air and the flue gas are mixed more uniformly.
After the tail gas is forced to change in the flowing direction by the diversion arch 123, the components inside the reaction body 12 can be distributed more uniformly, and the further reaction with the secondary air and the tertiary air can be more complete, so that the components in the tail gas of the reaction body 12 can be fully decomposed and reacted.
An exhaust gas outlet part 13:
the left side of the tail gas outlet part 13 is an inclined plane which inclines rightwards, and the right side is a vertical plane; the left beveled end is located to the right of the centerline of the reactor body 12. The end part of the left inclined plane is limited to be positioned on the right side of the central line of the reaction body, so that the flow speed of tail gas during turning can be adjusted, and the flow speed is controlled to separate larger and heavier dust particles in the tail gas. The distance between the end of the left inclined surface and the center line of the reactor 12 is further limited to L3, L3 ≧ 1/4D, where D is the diameter of the reactor 12. By limiting the size of L3, the flow rate of the diverted exhaust gas can be adjusted, and controlling the flow rate allows larger, heavier dust particles in the exhaust gas to be separated.
The distance L1-L3 is set to ensure the outlet flow rate of the reactants.
The whole waste liquid reaction device 1 is internally provided with a plurality of stages of temperature measuring points, and the temperature measuring points and the tertiary (primary air, secondary air and tertiary air) air supply quantity are in linkage coupling control, namely the reaction degree of a lower product is obtained through temperature monitoring, and then the primary air, secondary air and tertiary air conveying quantity are controlled according to the reaction degree of the lower product, so that the automatic control of the whole reaction device and the self-adaptive adjustment during waste liquid flow change are achieved, the reaction time of a treatment system during waste liquid conveying quantity fluctuation can be effectively prolonged, the reaction rate is increased, and the reaction is fully and thoroughly carried out.
The tail end of the waste liquid reaction device 1 is sequentially provided with a waste heat recovery device 2, a flue gas quenching and desulfurizing integrated device 3, a flue gas dehydration device 4 and a flue gas purification device 5.
The air carries out heat exchange with the final product of the waste liquid reaction device 1 in the waste heat recovery device 2, and the preheated air is conveyed to the whole waste liquid reaction device 1 through the primary air pipe, the secondary air pipe and the tertiary air pipe to participate in the reaction. The final product of the waste liquid reaction device 1 is primarily cooled through the waste heat recovery device 2. Therefore, the temperature of the final product of the waste liquid reaction device 1 is reduced by the arrangement of the waste heat recovery device 2, and meanwhile, the primary air, the secondary air and the tertiary air obtain heat, so that the temperature is increased, the energy is effectively utilized, the stability of system operation is facilitated, and the economical efficiency of the system is improved.
The final product of the waste liquid reaction device 1 is subjected to preliminary cooling by the waste heat recovery device 2 and two-stage quenching desulfurization by the flue gas quenching and desulfurization integrated device 3, so that the temperature of the flue gas is reduced to a specified range, part of fine dust is removed, the flue gas passes through the flue gas dehydration device 4 to remove the moisture contained in the flue gas, and finally the residual harmful components are filtered by the flue gas purification device 5 and are discharged after reaching the standard.
The flue gas dehydration device 4 is provided with a pre-dehydration device 41, a tail end dehydration device 42 and a water collecting tank 43 arranged at the bottom of the tail end dehydration device 42.
A multi-stage dehydration body (such as a three-stage dehydration body) is arranged in the preamble dehydration device 41, and after the water-containing flue gas is dehydrated by the preamble dehydration device 41 for three stages in sequence, condensed water drops and other flue gas enter the tail end dehydration device 42 together.
The wall of the terminal dewatering device 42 is lined with a dewatering material. The terminal dewatering device 42 includes: a vertical baffle 421, an inclined baffle 422 on one side of the vertical baffle 421, and a return baffle 423 on the other side of the vertical baffle 421. The inclined baffle 422 and the backflow baffle 423 form an inverted V-shaped structure with an open lower end, and the lower end opening thereof leads to the water collection tank 43; the vertical baffle 4521 and the inclined baffle 422 form a sudden shrinkage structure, so that the flow velocity of the water-containing flue gas is increased sharply, and the water-containing flue gas impacts the backflow baffle favorably; the vertical baffle 421 and the backflow baffle 423 constitute a sudden expansion structure. The included angle (such as 15-45 degrees) between the inclined baffle 422 and the horizontal plane is smaller than the included angle (such as 45-75 degrees) between the reflux baffle 423 and the horizontal plane; the vertical baffle 421 is vertically projected on the inclined baffle 422, and a gap is formed between the bottom end of the vertical baffle and the inclined baffle 422; the return baffle 423 is provided with a flue gas through opening leading to the flue gas cleaning device 5 near the top end.
The water-containing flue gas is primarily dehydrated through a multi-stage dehydration body in the pre-dehydration device 51 and enters the tail end dehydration device 42; the water-containing flue gas entering the tail end dehydration device 42 firstly enters a sudden shrinkage structure formed by the vertical baffle and the inclined baffle, and the sudden expansion structure can sharply increase the flow velocity of the water-containing flue gas, so that the water-containing flue gas can impact the liner made of the dehydration material of the reflux baffle under the action of inertia force, and the dehydration effect is enhanced; meanwhile, the sudden expansion structure formed by the vertical baffle and the backflow baffle sharply reduces the flow velocity of the flue gas, is beneficial to the falling of water drops, and smoothly collects the water drops mixed in the flue gas to the water collecting tank 43. And finally, the dehydrated flue gas enters the flue gas purification device 5 through a flue gas port close to the top end of the reflux baffle. Meanwhile, the eccentric structure of the dehydration device 5 enables the moisture in the water-containing flue gas to be efficiently removed under the action of inertia force.
The flue gas purification device 5 can adopt a flue gas purification device purchased on the market, and can also add a plurality of layers of high-temperature-resistant filter materials into the shell to filter harmful substances in the flue gas passing through the flue gas purification device.
The working principle of the waste liquid reaction device 1 is as follows:
after the waste liquid and the air enter the liquid sprayer 122, the waste liquid is atomized and premixed inside the liquid sprayer 122, and then enters the waste liquid reaction device 1 through a nozzle at the tail end of the liquid sprayer 122. The waste liquid carries out the intensive mixing with a wind simultaneously at the inside offset mixing of waste liquid reaction unit 1, and gas-liquid mixture make full use of waste liquid reaction unit 1's wall and flame holder 121's heat evaporate, the schizolysis combustion reaction, has improved reaction rate, and the setting up of flame holder 121 makes the temperature distribution in the waste liquid reaction unit more even simultaneously, also is favorable to going on fast of reaction. Reactant mixes with the wind once more through flame holder 121 turbine formula passageway all around, and flame holder 121 turbine formula passageway makes the left side reactant through rate high, form the whirl of right in flame holder 121 left side below like this, the whirl reactant is when the primary air pipe of reacing the reactor 12 bottom, the whirl effect of whirl reactant has been strengthened under the effect of wind, the waste liquid evaporation has been formed in the reactor 12 of whole waste liquid reaction unit 1 like this, the inner loop of schizolysis combustion reaction, improve waste liquid reaction rate. After the waste liquid is treated by the reactant 12, slag ash particles in the product are collected by a slag ash collecting device; the reaction products of the reaction mass 12 are thoroughly processed within the reaction mass 12. The reaction body 12 is provided with three-level diversion arches from bottom to top, and the diversion arches are arranged to enable the product to be mixed with the secondary air and the tertiary air more uniformly, so that the temperature distribution in the reaction body is more uniform, the reaction rate is improved, and meanwhile, the product reaction process is increased, so that the reaction is more sufficient and thorough.
A plurality of temperature measuring points are arranged in the whole waste liquid reaction device 1, and the temperature measuring points and the tertiary (primary air, secondary air and tertiary air) air supply quantity are linked to carry out coupling control: the reaction degree of the lower product is obtained through temperature monitoring, and the conveying amount of primary air, secondary air and tertiary air is controlled according to the reaction degree of the lower product, so that the automatic control of the whole reaction device and the self-adaptive adjustment of the waste liquid flow during change are achieved.
The product is degraded after the full reaction of the reactant 12, and the final product meets the national emission standard. The first, second and third air are preheated air. The air exchanges heat with the final product of the waste liquid reaction device 1 in the waste heat recovery device 2, and the preheated air is conveyed to the whole waste liquid reaction device 1 to participate in the reaction. The final product is subjected to preliminary cooling by the waste heat recovery device 2, and is subjected to two-stage quenching desulfurization by the flue gas quenching and desulfurization integrated device 3, so that the temperature of the flue gas is reduced to a specified range, meanwhile, part of fine dust is removed, then the flue gas passes through the flue gas dehydration device 4, moisture contained in the flue gas is removed, and finally, the residual harmful components are filtered by the flue gas purification device 5, and the standard emission is achieved.
The laboratory organic waste liquid treatment system has the advantages of modular structure, high integration level, compact structure, flexible arrangement, small occupied area, high treatment efficiency, low single-volume treatment cost of the organic waste liquid and capability of effectively treating the laboratory organic waste liquid.
Example two
In the second embodiment, the waste liquid reaction apparatus 1 has the following configuration as shown in fig. 5, and is different from the second embodiment in that:
1. the primary air duct 111 disposed in the collecting portion 11 is replaced by a plurality of horizontally disposed air ducts in the first embodiment to be a vertical air duct, air outlets are formed around the vertical air duct in a staggered manner, and diameters of the air outlets are sequentially reduced from bottom to top.
2. The plurality of liquid jets 122 are located on the tapered surface of the collecting part 11, and the intersection point of the central lines thereof falls on the right side of the central line of the flame holder 121.
The rest of the second embodiment is the same as the first embodiment and will not be described in detail here.
EXAMPLE III
In the third embodiment, the waste liquid reaction apparatus 1 has the following configuration as shown in fig. 6, and is different from embodiment 1 in that:
the plurality of primary air ducts 111 are disposed on the reaction body 11 below the flame holder 122, and the center lines of the plurality of primary air ducts 111 are on the same horizontal plane, instead of being disposed on the collection unit 11.
Example four
In the fourth embodiment, in which the structure of the flue gas dehydration device 4 and the number and the arrangement positions of the flue gas purification devices 5 are different from those of the first embodiment, the combined structure of the flue gas dehydration device 4 and the flue gas purification devices 5 is shown in fig. 7, and comprises: a flue gas dehydration device 4 comprising a preorder dehydration device 41 for centralized dehydration and a tail end dehydration device 42 with a double dehydration structure, and a flue gas purification device 5 communicated with the tail end dehydration device 42 and arranged at two sides of the tail end dehydration device 42.
The flue gas dewatering device 4 still comprises a pre-dewatering device 41, a tail end dewatering device 42 and a water collecting tank 43 arranged at the bottom of the tail end dewatering device 42.
Two-stage dehydration bodies (the dehydration bodies are made of polyurethane composite materials) are arranged in the preorder dehydration device 41, and after the water-containing smoke is dehydrated by two stages in the preorder dehydration device 41, condensed water drops and other smoke enter the tail end dehydration device 42 together.
The terminal dewatering device 42 is a double dewatering structure of a bilaterally symmetrical structure, and includes a vertical baffle 421, an inclined baffle 422, and a return baffle 423. Wherein, the vertical baffle 421 and the inclined baffles 422 symmetrically arranged at two sides of the vertical baffle 421 form two protruding structures; the two backflow baffle plates 423 are of an inverted V-shaped structure, the bottom ends of the backflow baffle plates 423 are opened and connected with the water collecting tank 43, the backflow baffle plates 423 and the inclined baffle plates 422 on the two sides form a bilateral symmetry sudden expansion structure, and flaring openings of the two sudden expansion structures are respectively communicated with the flue gas purification devices 5 arranged on the two sides of the tail end dehydration device 42.
The two sudden shrinkage structures formed by the vertical baffle 421 and the inclined baffles 422 symmetrically arranged at two sides of the vertical baffle 421 can sharply increase the flow velocity of the water-containing flue gas, so that the water-containing flue gas can favorably impact the backflow baffle 423; meanwhile, the inclined baffle 422 and the backflow baffle 423 form a bilaterally symmetrical sudden expansion structure, so that the flow velocity of water-containing flue gas is reduced sharply, water drops fall back conveniently, and the water drops mixed in the flue gas are collected to the water collecting tank 43 smoothly; meanwhile, the bilateral symmetry double dehydration structure of the tail end dehydration device 42 enables the water-containing flue gas to be efficiently dehydrated under the action of a long flow and multiple channels.
EXAMPLE five
In the fifth embodiment, in which the structure of the flue gas dehydration device 4 and the number and the arrangement positions of the flue gas purification devices 5 are different from those in the fourth embodiment, the combined structure of the flue gas dehydration device 4 and the flue gas purification devices 5 is shown in fig. 8, and comprises:
a flue gas dehydration device 4 comprising a preorder dehydration device 41 for centralized dehydration and a tail end dehydration device 42 with a double dehydration structure, and a flue gas purification device 5 communicated with the tail end dehydration device 42 and arranged at two sides of the preorder dehydration device 41.
The terminal dewatering device 42 still includes a preceding dewatering device 41, a terminal dewatering device 42, and a water collection tank 43 provided at the bottom of the terminal dewatering device 42. Except that the terminal dewatering device 42 has a double dewatering structure having a bilaterally symmetrical structure in the fourth embodiment, and collecting buckets are additionally provided at both sides of the double dewatering structure, respectively. The flaring of the sudden expansion structure in the double dehydration structure is respectively led to the gathering barrel, and the upper part of the gathering barrel is provided with an opening which is communicated with the flue gas purification device 5, and the bottom part is provided with an opening which is communicated with the water collecting tank.
The gathering barrels additionally arranged on the two sides of the double-dehydration structure can continuously recycle water drops falling back in the process that the tax-containing flue gas enters the flue gas purification device 5.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details of the embodiments are not to be interpreted as limiting the scope of the invention, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the invention, can be interpreted without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a laboratory organic waste liquid cracking system which characterized in that, laboratory organic waste liquid cracking system include:
the waste liquid reaction device (1) is characterized in that a waste heat recovery device (2), a flue gas quenching and desulfurizing integrated device (3), a flue gas dehydration device (4) and a flue gas purification device (5) are sequentially arranged at the tail end of the waste liquid reaction device (1);
the waste liquid reaction device (1) comprises a conical collection part (11) positioned at the bottom, a reaction body (12) positioned at the middle vertical section and a tail gas outlet part (13) positioned at the upper part; the left side of the tail gas outlet part (13) is an inclined plane which inclines rightwards, and the right side of the tail gas outlet part is a vertical plane; the end part of the left inclined plane is positioned at the right side of the central line of the reaction body (12);
a flame stabilizer (121) is arranged in a cavity of the waste liquid reaction device (1), and an air pipe communicated with the cavity is arranged at the periphery of the flame stabilizer; a plurality of liquid sprayers (122) capable of spraying waste liquid into the cavity structure are arranged on the waste liquid reaction device (1), and the intersection point of the central lines of the liquid sprayers (122) is deviated to the right of the central line of the flame stabilizer (121); a flow guide arch (123) is arranged on the waste liquid reaction device (1), and the flow guide arch (123) is positioned above the flame holder (121); the bottom of the waste liquid reaction device (1) is connected with a slag and ash collecting device;
the waste liquid is sprayed into the waste liquid reaction device (1) through a liquid sprayer, reaction products are obtained through the reaction of the waste liquid reaction device (1), the reaction products enter the waste heat recovery device (2) to be subjected to preliminary cooling, then enter the flue gas quenching and desulfurization integrated device (3) to be subjected to quenching desulfurization, then flow through the flue gas dehydration device (4) to remove moisture contained in the flue gas, and finally, residual harmful components are filtered through the flue gas purification device (5).
2. The laboratory organic waste liquid cracking system according to claim 1,
the flame stabilizer (121) is integrally of a turbine-type structure, the middle part of the flame stabilizer is oval-like and solid, and a turbine-type channel is arranged around the solid flame stabilizer.
3. The laboratory organic waste liquid cracking system according to claim 2,
a plurality of primary air ducts (111) are arranged on the collecting part (11); the primary air pipes (111) are arranged in a multilayer circular ring type mode, the central plane of the reaction body (12) is used as an interface, and the primary air pipes (111) on the left side of the interface are deviated to the right; the primary air pipe (111) on the right side of the interface is vertically upward;
alternatively, the first and second electrodes may be,
a primary air duct (111) is arranged on the collecting part (11); the primary air pipe (111) is a vertical air pipe, air outlets are formed in the periphery of the vertical air pipe in a staggered mode, and the diameters of the air outlets from bottom to top are reduced in sequence;
alternatively, the first and second electrodes may be,
a plurality of primary air pipes (111) are arranged on the reaction body (12), and the central lines of the primary air pipes (111) are positioned on the same horizontal plane and below the flame stabilizer (121).
4. The laboratory organic waste liquid cracking system according to claim 1,
the plurality of liquid sprayers (122) are arranged on the reaction body (12);
alternatively, the first and second electrodes may be,
the plurality of liquid sprayers (122) are arranged on the conical surface of the collecting part (11).
5. The laboratory organic waste liquid cracking system according to claim 1,
in the reaction body (12), a plurality of stages of flow guide arches (123) are arranged in a staggered way from bottom to top along the reaction flow direction of the organic waste liquid.
6. The laboratory organic waste liquid cracking system according to claim 5,
the lower surface of water conservancy diversion arch (123) is b with the horizontal plane contained angle, and this contained angle b satisfies: 15 DEG < b < 65 DEG; the height of a vertical section surface of the right side of the reaction body cavity is A, the free end of the left side of the reaction body cavity is in a circular arc shape with the radius of R1, and the R1 satisfies the following conditions: r1 is (0.3-0.8) A.
7. The laboratory organic waste liquid cracking system according to claim 6,
the height from the first-stage flow guide arch arranged on the right side of the waste liquid reaction device (1) to the flame stabilizer (121) is H1; the free end of the reaction tube is arranged at the left side of the central line of the waste liquid reaction device (1), and the H1 satisfies the following conditions: 0.2D < H1< D; wherein D is the diameter of the reaction body (12);
the height from the second-stage flow guide arch arranged on the left side of the waste liquid reaction device (1) to the first-stage flow guide arch is H2, and the end part of the free end of the second-stage flow guide arch coincides with the central line of the waste liquid reaction device (1); the H2 satisfies: h2 is 0.5-1.5H 1, wherein H1 is the height of the first-stage guide arch from the flame stabilizer (121);
the third-stage flow guide arch is arranged on the right side of the waste liquid reaction device (1), the height from the first-stage flow guide arch is H3, and the end part of the free end of the third-stage flow guide arch is arranged on the right side of the central line of the waste liquid reaction device (1); the H3 satisfies: h3 is 0.5-1.5H 1; h1 is the height of the first stage guide arch from the flame holder (121).
8. The laboratory organic waste liquid cracking system according to claim 7,
a secondary air pipe is arranged on the wall of the reaction body (12) opposite to the second-stage flow guide arch; the outlet center line of the secondary air pipe is at the same height with the upper edge of the second-stage flow guide arch;
a tertiary air pipe is arranged on the wall of the reaction body (12) opposite to the third-stage flow guide arch; the outlet center line of the tertiary air pipe and the upper edge of the third-stage flow guide arch are at the same height.
9. A laboratory organic waste liquid cracking system according to claim 1, characterized in that, the flue gas dehydration device (4) comprises:
a water collecting tank (43) arranged at the bottom of the tail end dewatering device (42);
a multi-stage dehydration body is arranged in the preamble dehydration device (41), the water-containing smoke is dehydrated by the preamble dehydration device (41), condensed water drops and other smoke enter the tail end dehydration device (42), and water drops falling back after being impacted by the tail end dehydration device (42) are collected in the water collection tank (43).
10. The laboratory organic waste liquid cracking system according to claim 9,
the terminal dewatering device (42) includes: the device comprises a vertical baffle (421), an inclined baffle (422) on one side of the vertical baffle (421) and a backflow baffle (423) on the other side of the vertical baffle (421); the inclined baffle (422) and the backflow baffle (423) form an inverted V-shaped structure with an opening at the lower end, and the opening at the lower end of the inverted V-shaped structure leads to the water collecting tank (43); the included angle between the inclined baffle (422) and the horizontal plane is smaller than the included angle between the backflow baffle (423) and the horizontal plane; the vertical baffle (421) and the inclined baffle (422) form a sudden shrinkage structure, and the vertical baffle (421) and the backflow baffle (423) form a sudden expansion structure; the vertical projection of the vertical baffle (421) falls on the inclined baffle (422), and a gap is formed between the bottom end of the vertical baffle and the inclined baffle (422); a flue gas through hole leading to the flue gas purification device (5) is formed in the position, close to the top end, of the backflow baffle plate (423);
alternatively, the first and second electrodes may be,
the tail end dehydration device (42) is a double dehydration structure with a bilateral symmetry structure, and comprises a vertical baffle (421), an inclined baffle (422) and a reflux baffle (423); the vertical baffle (421) and the inclined baffles (422) symmetrically arranged at two sides of the vertical baffle (421) form two projecting structures; the two backflow baffles (423) are of an inverted V-shaped structure, the bottom ends of the backflow baffles are opened and connected with the water collecting tank (43), the backflow baffles (423) and the inclined baffles (422) on the two sides form a bilaterally symmetrical sudden expansion structure, and the flaring of the two sudden expansion structures respectively leads to the flue gas purification devices (5) arranged on the two sides of the tail end dehydration device (42);
alternatively, the first and second electrodes may be,
the tail end dehydration device (42) comprises a double dehydration structure with a bilateral symmetry structure, and gathering barrels are respectively arranged on two sides of the double dehydration structure; the double dehydration structure comprises a vertical baffle (421), an inclined baffle (422) and a reflux baffle (423); the vertical baffle (421) and the inclined baffles (422) symmetrically arranged at two sides of the vertical baffle (421) form two projecting structures; the two backflow baffles (423) are of an inverted V-shaped structure, the bottom ends of the backflow baffles are opened and connected with the water collecting tank (43), and the backflow baffles (423) and the inclined baffles (422) on the two sides form a bilaterally symmetrical sudden expansion structure; the flaring of the sudden expansion structure is respectively communicated with the gathering barrel, the upper part of the gathering barrel is provided with an opening communicated with the flue gas purification device (5), and the bottom of the gathering barrel is provided with an opening communicated with the water collecting tank.
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| CN112696697A (en) * | 2020-12-28 | 2021-04-23 | 清华大学 | Laboratory organic waste liquid is real-time processing system on spot |
| CN214990906U (en) * | 2020-12-28 | 2021-12-03 | 清华大学 | Laboratory organic waste liquid and medical waste integration concurrent processing system |
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