Waste gas treatment device for polycarboxylate superplasticizer production

Abstract

The utility model discloses a waste gas treatment device for polycarboxylate superplasticizer production, which belongs to the technical field of waste gas treatment, and adopts the technical scheme that the waste gas treatment device comprises a tank body, a spraying assembly is fixedly connected to the bottom in the tank body, a drying assembly is fixedly connected to the top of the tank body, and the spraying assembly comprises a liquid storage cylinder; the problems that an existing waste gas treatment device is poor in waste gas filtering effect, waste gas carries a large amount of water mist to enter a follow-up filtering structure due to lack of a drying structure when the waste gas is treated through spraying operation in the actual use process, the treatment load of a dehydration unit is remarkably increased, the treatment time is prolonged, and the treatment cost is reduced are solved. And in addition, waste gas with water easily causes a filtering material to be damped and lose efficacy, the overall purification efficiency is reduced, the stability and reliability of a treatment system are seriously influenced, and the practicability of the device is reduced.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment technology, and in particular to a waste gas treatment device for the production of polycarboxylate superplasticizer. Background Technology

[0002] Polycarboxylate superplasticizers are an important type of concrete admixture and are widely used in the construction industry. However, their production process generates a variety of waste gases, mainly including volatile organic compounds, acidic gases and a small amount of dust. If these waste gases are discharged directly without effective treatment, they will not only pollute the atmospheric environment, but may also endanger the health of nearby residents.

[0003] Existing waste gas treatment devices mainly rely on washing. However, current washing devices are prone to incomplete washing during the process of washing through nozzles, resulting in some waste gas not being washed away, thus leading to poor washing efficiency and failing to meet the needs of use.

[0004] An existing patent (publication number: CN212215018U) discloses a washing device for treating waste gas from water-reducing agent production. This device comprises a second fixed ring, a rotating inner ring, a branch pipe, and a central shaft at the top of a cylindrical body. Atomizing nozzles are installed at the bottom of both the branch pipe and the central shaft. The branch pipe, central shaft, and rotating inner ring are connected via a first and second meshing assembly, enabling rotation within the second fixed ring. This allows multiple sets of atomizing nozzles to rotate and spray from the top of the cylindrical body, ensuring thorough and comprehensive spraying within the cylinder while improving the uniformity of the washing process, resulting in a better and more noticeable washing effect.

[0005] Existing patents offer solutions to the aforementioned problems, but their filtration effect on exhaust gas is unsatisfactory. In actual use, exhaust gas is treated by spraying, but due to the lack of a drying structure, the exhaust gas carries a large amount of water mist into the subsequent filtration structure. This not only significantly increases the processing load of the dehydration unit and prolongs the processing time, but also causes corrosion and rust on the inner wall of the pipes due to long-term water vapor retention, shortening the service life of the equipment. In addition, water-laden exhaust gas can easily cause the filter material to become damp and fail, reducing the overall purification efficiency and seriously affecting the stability and reliability of the treatment system, thus reducing the practicality of the device.

[0006] Therefore, a waste gas treatment device for the production of polycarboxylate superplasticizer is proposed. Utility Model Content

[0007] The purpose of this invention is to provide a waste gas treatment device for the production of polycarboxylate superplasticizers. This device can solve the problems of poor waste gas filtration effect in existing waste gas treatment devices. In actual use, waste gas is treated by spraying. Due to the lack of a drying structure, a large amount of water mist is carried by the waste gas into the subsequent filtration structure. This not only significantly increases the processing load of the dehydration unit and prolongs the processing time, but also causes corrosion and rust on the inner wall of the pipes due to long-term water vapor retention, shortening the service life of the equipment. In addition, water-laden waste gas can easily cause the filter material to become damp and fail, reducing the overall purification efficiency and seriously affecting the stability and reliability of the treatment system, thus reducing the practicality of the device.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a waste gas treatment device for the production of polycarboxylate superplasticizer, comprising a tank, a spray assembly fixedly connected to the bottom of the tank, and a drying assembly fixedly connected to the top of the tank, the spray assembly comprising a liquid storage cylinder, a rotating motor fixedly connected to the bottom of the liquid storage cylinder, and a filter round frame provided at the top of the liquid storage cylinder;

[0009] The drying assembly includes a heat-conducting cylinder, with air inlet discs fixedly connected to the top and bottom of the heat-conducting cylinder. An electric heating block is fixedly connected inside the heat-conducting cylinder. A spiral air supply pipe is provided between the two opposite sides of the two air inlet discs. The spiral air supply pipe is wound around the surface of the heat-conducting cylinder, and its two ends are respectively connected to the bottom air inlet disc and the top air inlet disc. An electric wire is fixedly connected to the bottom right side of the electric heating block, and the other end of the electric wire extends to the right side of the tank and is fixedly connected to a battery pack.

[0010] Preferably, a rotating rod is fixedly connected to the top of the rotating motor, and the other end of the rotating rod extends to the top of the filter circle and is fixedly connected to a scraper. The bottom of the scraper contacts the surface of the filter circle, and the filter circle is fixedly connected to the bottom of the inner wall of the tank.

[0011] Preferably, an infusion pump is fixedly connected to the bottom right side of the liquid storage tank, and an infusion pipe is fixedly connected to the output end of the infusion pump. The side of the infusion pipe away from the infusion pump extends into the interior of the tank and is fixedly connected to a spray ring, and the top of the spray ring contacts the bottom of the bottom air inlet plate.

[0012] Preferably, the bottom of the tank is provided with an installation hole for use with a liquid storage cylinder, and the surface of the liquid storage cylinder is in contact with the inner wall of the installation hole.

[0013] Preferably, an observation glass is embedded inside the front side of the liquid storage cylinder, and an inlet valve is fixedly connected to the left side of the top of the front side of the liquid storage cylinder.

[0014] Preferably, the spiral gas pipe is made of stainless steel, and the inner wall of the spiral gas pipe is coated with a nickel-based alloy coating.

[0015] Preferably, a detector is fixedly connected to the left side of the top of the tank, and the detection head of the detector extends into the interior of the tank.

[0016] Preferably, a controller is fixedly connected to the front side of the tank, and the controller is electrically connected to the detector, the drying component and the spraying component. A fixed bracket is fixedly connected to the bottom of the tank, and an exhaust gas inlet pipe is fixedly connected to the bottom of the left side of the tank.

[0017] Preferably, a discharge pipe is fixedly connected to the top of the tank, and a rain cover is fixedly connected to the top of the discharge pipe. Slide grooves are provided on both sides of the inner wall of the discharge pipe, and positioning plates are fixedly connected inside the slide grooves. Sliding blocks are slidably connected to the surfaces of the two positioning plates, and a filter pipe is fixedly connected between the opposite sides of the two sliding blocks.

[0018] Preferably, a filter screen is fixedly connected to the bottom of the filter tube, a filter membrane is fixedly connected to the top of the filter tube, and an activated carbon layer is provided between the filter screen and the filter membrane.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. By setting up a spray assembly, this application can evenly spray the liquid medicine into the tank through a spray ring, so that the liquid medicine reacts with the exhaust gas and promotes the sedimentation of impurities. At the same time, the filter frame and scraper automatically intercept the sedimented impurities, realize the recycling of the liquid medicine, and improve the convenience of using the device.

[0021] 2. By setting up a drying component, this application can guide the exhaust gas through the air inlet disc and the spiral air conveying pipe, making the exhaust gas flow in a spiral manner. This increases the contact area with the heat-conducting cylinder. In conjunction with the electric heating block, the exhaust gas can be heated to achieve the drying operation of the exhaust gas. This avoids water vapor from damaging the filter material, ensures the filtration effect of the exhaust gas, and improves the practicality of the device. Attached Figure Description

[0022] Figure 1 This is an overall structural diagram of the waste gas treatment device for the production of polycarboxylate superplasticizer according to this utility model.

[0023] Figure 2 This is a schematic diagram showing the connection between the tank, spray assembly, drying assembly and filter pipe of this utility model;

[0024] Figure 3 This is a schematic diagram showing the connection between the tank body, the fixed bracket, and the filter tube of this utility model;

[0025] Figure 4 This is a schematic diagram of the drying assembly of this utility model;

[0026] Figure 5This is a schematic diagram of the structure of the spray assembly of this utility model.

[0027] In the diagram, 1. Tank; 2. Spray assembly; 201. Liquid storage tank; 202. Rotary motor; 203. Filter frame; 204. Rotating rod; 205. Scraper; 206. Infusion pump; 207. Infusion pipe; 208. Spray ring; 3. Drying assembly; 301. Heat conduction cylinder; 302. Air inlet plate; 303. Electric heating block; 304. Spiral air delivery pipe; 305. Wire; 306. Battery pack; 4. Mounting hole; 5. Observation glass; 6. Liquid inlet valve; 7. Detector; 8. Controller; 9. Fixing bracket; 10. Exhaust gas inlet pipe; 11. Discharge pipe; 12. Rain shelter; 13. Slide chute; 14. Positioning plate; 15. Slider; 16. Filter pipe; 17. Filter screen; 18. Filter membrane; 19. Activated carbon layer. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Please see Figure 1-5 The present invention provides the following technical solution:

[0030] A waste gas treatment device for the production of polycarboxylate superplasticizer includes a tank 1, a spray assembly 2 fixedly connected to the bottom of the tank 1, and a drying assembly 3 fixedly connected to the top of the tank 1. The spray assembly 2 includes a liquid storage tank 201, a rotating motor 202 fixedly connected to the bottom of the liquid storage tank 201, and a filter round frame 203 provided on the top of the liquid storage tank 201.

[0031] The drying assembly 3 includes a heat-conducting cylinder 301. An air inlet disc 302 is fixedly connected to the top and bottom of the heat-conducting cylinder 301. An electric heating block 303 is fixedly connected inside the heat-conducting cylinder 301. A spiral air conveying pipe 304 is provided between the opposite sides of the two air inlet discs 302. The spiral air conveying pipe 304 is wound around the surface of the heat-conducting cylinder 301. The two ends of the spiral air conveying pipe 304 are respectively connected to the bottom air inlet disc 302 and the top air inlet disc 302. An electric wire 305 is fixedly connected to the bottom right side of the electric heating block 303. The other end of the electric wire 305 extends to the right side of the tank 1 and is fixedly connected to a battery pack 306.

[0032] In this embodiment: The infusion pump 206 allows the liquid medicine in the storage tank 201 to flow into the spray ring 208 through the infusion pipe 207. Finally, the liquid medicine is evenly and rapidly sprayed into the tank 1 through the spray ring 208, allowing the liquid medicine to fully react with the exhaust gas and promote the sedimentation of impurities. Simultaneously, the rotating motor 202 drives the rotating rod 204 to rotate, synchronously driving the scraper 205 to rotate at the filter frame 203. This, in conjunction with the filter frame 203, effectively blocks and cleans the sedimented impurities, ensuring that the liquid medicine can smoothly flow back to the storage tank 201, achieving the recycling of the liquid medicine, reducing waste, and improving the ease of use of the spray assembly 2. Then, through the cooperation of the spiral air conveying pipe 304 and the air intake disc 302, not only can the air intake range be expanded, but the exhaust gas can also be guided to spiral upward along the heat conduction cylinder 301, increasing the contact area with the heat conduction cylinder 301. At the same time, through the cooperation of the battery pack 306 and the wire 305, it can accurately supply power to the electric heating block 303, start the electric heating block 303 to heat the heat conduction cylinder 301, and then transfer the heat to the spiral air conveying pipe 304 to realize the drying operation of the exhaust gas, avoid the damage of water vapor to the filter material, ensure the dryness of the exhaust gas, facilitate subsequent filtration operations, and improve the ease of use of the drying component 3.

[0033] Specifically, such as Figure 5 As shown, a rotating rod 204 is fixedly connected to the top of the rotating motor 202, and the other end of the rotating rod 204 extends to the top of the filter circle frame 203 and is fixedly connected to a scraper 205. The bottom of the scraper 205 contacts the surface of the filter circle frame 203, and the filter circle frame 203 is fixedly connected to the bottom of the inner wall of the tank 1.

[0034] Specifically, such as Figure 5 As shown, an infusion pump 206 is fixedly connected to the bottom right side of the liquid storage tank 201, and an infusion pipe 207 is fixedly connected to the output end of the infusion pump 206. The side of the infusion pipe 207 away from the infusion pump 206 extends into the interior of the tank body 1 and is fixedly connected to a spray ring 208. The top of the spray ring 208 contacts the bottom of the bottom air inlet plate 302.

[0035] Specifically, such as Figure 3 As shown, the bottom of the tank 1 is provided with an installation hole 4 for use with the liquid storage cylinder 201, and the surface of the liquid storage cylinder 201 is in contact with the inner wall of the installation hole 4.

[0036] Specifically, such as Figure 2 , Figure 5 As shown, an observation glass 5 is embedded inside the front side of the liquid storage cylinder 201, and an inlet valve 6 is fixedly connected to the left side of the top front side of the liquid storage cylinder 201.

[0037] In this embodiment: by observing the cooperation between the glass 5 and the liquid inlet valve 6, not only can the status of the medicine in the liquid storage tank 201 be observed in real time to ensure smooth flow of the medicine, but the liquid inlet valve 6 can also be used to add medicine to ensure the normal operation of the spray assembly 2. At the same time, by cooperating with the liquid storage tank 201 and the mounting hole 4, the liquid storage tank 201 can be connected to the tank body 1 more firmly, ensuring that the sprayed medicine flows back to the liquid storage tank 201 after being filtered by the filter frame 203, realizing the recycling of the medicine, reducing medicine waste, and improving the convenience of using the spray assembly 2.

[0038] Specifically, such as Figure 2 , Figure 4 As shown, the spiral gas pipe 304 is made of stainless steel, and the inner wall of the spiral gas pipe 304 is coated with a nickel-based alloy coating.

[0039] Specifically, such as Figure 1 , Figure 2 , Figure 3 As shown, a detector 7 is fixedly connected to the left side of the top of the tank 1, and the detection head of the detector 7 extends into the interior of the tank 1.

[0040] In this embodiment: the spiral gas conveying pipe 304 is made of stainless steel, which can effectively resist the corrosion of exhaust gas, extend its service life, and guide the exhaust gas to rise spirally along the heat conduction cylinder 301, increasing the contact area with the heat conduction cylinder 301, realizing the drying operation of the exhaust gas, ensuring the dryness of the exhaust gas. At the same time, under the action of the detector 7, the status of the exhaust gas after drying can be detected in real time and the data can be transmitted to the controller 8. The controller 8 can dynamically adjust the drying component 3 and the spray component 2 to ensure the treatment effect of the exhaust gas and improve the ease of use of the drying component 3.

[0041] Specifically, such as Figure 1 , Figure 3 As shown, a controller 8 is fixedly connected to the front side of the tank 1, and the controller 8 is electrically connected to the detector 7, the drying assembly 3 and the spray assembly 2. A fixed bracket 9 is fixedly connected to the bottom of the tank 1, and an exhaust gas inlet pipe 10 is fixedly connected to the bottom of the left side of the tank 1.

[0042] Specifically, such as Figure 2 , Figure 3 As shown, a discharge pipe 11 is fixedly connected to the top of the tank 1, and a rain cover 12 is fixedly connected to the top of the discharge pipe 11. Slide grooves 13 are provided on both sides of the inner wall of the discharge pipe 11, and positioning plates 14 are fixedly connected inside the slide grooves 13. Sliding sliders 15 are slidably connected to the surfaces of the two positioning plates 14, and a filter pipe 16 is fixedly connected between the opposite sides of the two sliding sliders 15.

[0043] Specifically, such as Figure 2 , Figure 3As shown, a filter screen 17 is fixedly connected to the bottom of the filter tube 16, and a filter membrane 18 is fixedly connected to the top of the filter tube 16. An activated carbon layer 19 is provided between the filter screen 17 and the filter membrane 18.

[0044] In this embodiment: the fixed bracket 9 ensures the device remains stable on any ground surface. Combined with the exhaust gas inlet pipe 10, the exhaust gas flows smoothly into the tank 1 for treatment. Simultaneously, the controller 8 controls the operation of the drying assembly 3 and the spray assembly 2 according to actual conditions. This sprays liquid to promote impurity sedimentation and dries the exhaust gas, ensuring its dryness and facilitating subsequent filtration operations, thus improving the device's usability. The positioning plate 14 forms a guiding structure, constraining the movement of the slider 15 and filter tube 16, enabling quick loading and unloading of the filter tube 16. The rain cover 12 prevents rainwater from entering, making it suitable for outdoor environments. The exhaust gas undergoes multi-stage filtration by sequentially passing through the filter screen 17, activated carbon layer 19, and filter membrane 18. This not only filters impurities in the exhaust gas but also adsorbs harmful substances, ensuring and improving the filtration effect.

[0045] Working Principle: When treating waste gas, the device is first stabilized by the fixed support 9, and the waste gas flows smoothly into the tank 1 through the waste gas inlet pipe 10 for treatment. Then, the operator sets the operating parameters of the drying component 3 and the spraying component 2 through the controller 8, and starts the infusion pump 206, so that the liquid in the storage tank 201 flows into the spray ring 208 through the infusion pipe 207. Finally, it is evenly sprayed into the tank 1 through the spray ring 208, so that the liquid reacts fully with the waste gas, promoting the sedimentation of impurities. The sprayed liquid is filtered by the filter frame 203 and flows back to the storage tank 201, realizing the recycling of the liquid. At the same time, the rotating motor 202 is started to drive the rotating rod 204 to rotate, which drives the scraper 205 to pass through the tank. The filter frame 203 rotates to clean impurities and ensure smooth return flow. Then, the exhaust gas flows sequentially through the bottom air inlet plate 302, the spiral air conveying pipe 304, and the top air inlet plate 302 into the filter pipe 16. As the exhaust gas spirals upward along the heat-conducting cylinder 301, the battery pack 306 supplies power to the electric heating block 303 to heat the heat-conducting cylinder 301, thereby transferring heat to the spiral air conveying pipe 304 to dry the exhaust gas. The dried exhaust gas then passes sequentially through the filter screen 17, the activated carbon layer 19, and the filter membrane 18 to complete the filtration of impurities and the adsorption of harmful substances. After filtration, the filter pipe 16 is removed for cleaning and maintenance. After cleaning, the filter pipe 16 is reset to restore the filtration effect.

[0046] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A waste gas treatment device for polycarboxylic acid water reducing agent production, comprising a tank body (1), characterized in that: The bottom of the tank (1) is fixedly connected to a spray assembly (2), and the top of the tank (1) is fixedly connected to a drying assembly (3). The spray assembly (2) includes a liquid storage cylinder (201), the bottom of the liquid storage cylinder (201) is fixedly connected to a rotating motor (202), and the top of the liquid storage cylinder (201) is provided with a filter round frame (203). The drying assembly (3) includes a heat-conducting cylinder (301), with an air inlet disc (302) fixedly connected to the top and bottom of the heat-conducting cylinder (301), and an electric heating block (303) fixedly connected inside the heat-conducting cylinder (301). A spiral air supply pipe (304) is provided between the opposite sides of the two air inlet discs (302). The spiral air supply pipe (304) is wound around the surface of the heat-conducting cylinder (301), and the two ends of the spiral air supply pipe (304) are respectively connected to the bottom air inlet disc (302) and the top air inlet disc (302). An electric wire (305) is fixedly connected to the bottom right side of the electric heating block (303), and the other end of the electric wire (305) extends to the right side of the tank (1) and is fixedly connected to a battery pack (306).

2. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 1, characterized in that: The top of the rotating motor (202) is fixedly connected to a rotating rod (204), and the other end of the rotating rod (204) extends to the top of the filter circle frame (203) and is fixedly connected to a scraper (205). The bottom of the scraper (205) contacts the surface of the filter circle frame (203), and the filter circle frame (203) is fixedly connected to the bottom of the inner wall of the tank (1).

3. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 1, characterized in that: A liquid pump (206) is fixedly connected to the bottom right side of the liquid storage tank (201), and a liquid infusion pipe (207) is fixedly connected to the output end of the liquid pump (206). The side of the liquid infusion pipe (207) away from the liquid pump (206) extends into the interior of the tank (1) and is fixedly connected to a liquid spraying ring (208). The top of the liquid spraying ring (208) contacts the bottom of the bottom air inlet plate (302).

4. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 1, characterized in that: The bottom of the tank (1) is provided with an installation hole (4) for use with the liquid storage cylinder (201), and the surface of the liquid storage cylinder (201) is in contact with the inner wall of the installation hole (4).

5. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 1, characterized in that: An observation glass (5) is embedded inside the front side of the liquid storage cylinder (201), and an inlet valve (6) is fixedly connected to the left side of the top front side of the liquid storage cylinder (201).

6. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 1, characterized in that: The spiral gas pipe (304) is made of stainless steel, and the inner wall of the spiral gas pipe (304) is coated with a nickel-based alloy coating.

7. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 1, characterized in that: A detector (7) is fixedly connected to the left side of the top of the tank (1), and the detection head of the detector (7) extends into the interior of the tank (1).

8. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 7, characterized in that: A controller (8) is fixedly connected to the front side of the tank (1), and the controller (8) is electrically connected to the detector (7), the drying assembly (3) and the spray assembly (2). A fixed bracket (9) is fixedly connected to the bottom of the tank (1), and an exhaust gas inlet pipe (10) is fixedly connected to the bottom of the left side of the tank (1).

9. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 1, characterized in that: The top of the tank (1) is fixedly connected to a discharge pipe (11), and the top of the discharge pipe (11) is fixedly connected to a rain cover (12). Both sides of the inner wall of the discharge pipe (11) are provided with sliding grooves (13), and the interior of the sliding grooves (13) is fixedly connected to a positioning plate (14). The surfaces of the two positioning plates (14) are slidably connected to sliders (15), and a filter pipe (16) is fixedly connected between the opposite sides of the two sliders (15).

10. The waste gas treatment device for producing polycarboxylate superplasticizer according to claim 9, characterized in that: A filter screen (17) is fixedly connected to the bottom of the filter tube (16), and a filter membrane (18) is fixedly connected to the top of the filter tube (16). An activated carbon layer (19) is provided between the filter screen (17) and the filter membrane (18).

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