Tail gas treatment device in butyronitrile latex production
By designing a multi-layer filtration and adsorption structure and a wet treatment tail gas treatment device, the problem of low tail gas treatment efficiency and environmental protection in nitrile latex production has been solved, achieving a highly efficient and environmentally friendly tail gas purification effect.
Patent Information
- Application Number
- CN202520227559.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-13
AI Technical Summary
The exhaust gas produced during the production of nitrile latex contains harmful substances. Traditional treatment methods are inefficient, costly, and cause secondary pollution, making it difficult to meet environmental protection requirements.
A treatment device comprising a collection hood, a collection pipe, a filter plate, and an adsorption layer was designed. The exhaust gas is initially purified through a multi-layer filtration and adsorption structure, and further removed by wet treatment using a water tank and spray nozzles.
It achieves efficient collection and purification of exhaust gas, removes most particulate matter and harmful gases, reduces exhaust gas temperature, reduces environmental thermal pollution, and improves treatment efficiency and environmental protection effect.
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Figure CN223716754U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tail gas treatment technical field, concretely is a kind of tail gas's treatment device in nitrile latex production. BACKGROUND
[0002] Nitrile latex, also known as acrylonitrile butadiene rubber, is a synthetic rubber obtained by emulsion polymerization of acrylonitrile and butadiene. It usually exists in the form of latex and is known for its resistance to oil, fuel and various chemicals.
[0003] In the production process of nitrile latex, a large amount of tail gas is generated, which usually contains harmful substances such as particulate matter and volatile organic compounds. If not properly treated and directly discharged into the atmosphere, it will have a serious impact on the environment and human health.
[0004] Traditional tail gas treatment methods mainly include physical filtration, chemical absorption, catalytic oxidation, etc., but these methods often have low treatment efficiency, high operating cost and secondary pollution. Especially in the field of nitrile latex production, due to the complexity of tail gas composition and large emission volume, traditional tail gas treatment methods are difficult to meet environmental protection requirements, therefore, a nitrile latex production tail gas treatment device needs to be designed. SUMMARY
[0005] The utility model aims to provide a kind of tail gas's treatment device in nitrile latex production to solve the problems raised in the above background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of tail gas's treatment device in nitrile latex production, including base, the top of the base is fixedly installed with control box, the top of the base is fixedly installed with nitrile latex production equipment body;Collecting filtering component, the collecting filtering component is set to the top of base;The collecting filtering component includes: collection site, the collection site is set to the top of base and the side of nitrile latex production equipment body;Treatment site, the treatment site is set to the top of base, and treatment site is set to the side and top of collection site.
[0007] Preferably, the collection site includes: guardrail, the guardrail is fixedly installed on the top of base;Collecting cover, the collecting cover is fixedly installed on the outer wall of nitrile latex production equipment body, for collecting exhaust tail gas;The inside of the guardrail is provided with collecting and processing cylinder, and the collecting and processing cylinder is fixedly installed on the top of base, one side of the collecting and processing cylinder is communicated with connecting pipe.
[0008] By setting guardrail, fixedly installed on the top of base, mainly play the role of safety protection, prevent operator from touching high-temperature or moving parts by mistake.
[0009] By setting the collection processing cylinder as the place for preliminary treatment of tail gas, a complex filtering and adsorption structure is designed inside.
[0010] By setting the collection cover made of high-temperature-resistant and corrosion-resistant material, the collection cover is tightly attached to the outer wall of the nitrile latex production equipment body to ensure that the tail gas can be completely collected and prevent leakage.
[0011] Preferably, the outer wall of the collection cover is connected with a collection pipe, and the other end of the collection pipe is connected inside the connecting pipe. A sealing sleeve is fixedly installed on the outer wall of the collection pipe, and the inner wall of the sealing sleeve is fixedly installed on the outer wall of the collection cover.
[0012] By setting the collection pipe connected with the collection cover, the tail gas is introduced into the connecting pipe. The sealing sleeve ensures the tight connection between the collection pipe and the collection cover to prevent tail gas leakage.
[0013] Preferably, the inner wall of the collection processing cylinder is fixedly installed with a filter plate, and the filter plate is arranged above the connecting pipe. A first adsorption layer is fixedly installed on the top of the filter plate, and a second adsorption layer is arranged above the first adsorption layer.
[0014] By setting the filter plate made of multiple layers of metal mesh or fiber material, large particles in the tail gas can be preliminarily filtered out.
[0015] By setting the first adsorption layer and the second adsorption layer, respectively using active carbon, molecular sieve and other high-efficiency adsorption materials, harmful gases and small particles in the tail gas can be adsorbed to further purify the tail gas.
[0016] Preferably, the treatment part includes a water tank fixedly installed on the top of the base and arranged on the other side of the collection processing cylinder, and a support ring fixedly installed on the inner wall of the collection processing cylinder. The inside of the water tank is provided with a water pump, one side of the water pump is connected with a delivery pipe, and the delivery pipe is sequentially movably penetrated through the outer walls of the water tank and the collection processing cylinder and extends into the inside of the collection processing cylinder.
[0017] By setting the water tank, water for wet treatment is stored, and heating and cooling devices are arranged inside to adjust the water temperature and ensure the effect of wet treatment.
[0018] Preferably, the inner wall of the support ring is fixedly installed with a connecting water box, the other end of the delivery pipe is connected inside the connecting water box, and the bottom of the connecting water box is circumferentially and equidistantly connected with a spray head.
[0019] By setting the spray head, water mist is uniformly sprayed into the tail gas to increase the contact area between the tail gas and the water mist and improve the purification effect.
[0020] Preferably, a drain pipe is connected to one side of the outer wall of the water tank, and the other end of the drain pipe is connected to the inside of the collection and treatment cylinder, with the drain pipe located below the filter plate.
[0021] By installing a drain pipe, the water generated during the wet treatment process is discharged into a collection tank, and after proper treatment, it can be recycled.
[0022] Preferably, a filter mesh is provided above the support ring, and the top of the collection and processing cylinder is provided at equal intervals around the filter mesh. A discharge pipe is provided above the filter mesh and is fixedly installed on the top of the collection and processing cylinder.
[0023] This invention provides a device for treating exhaust gas in the production of nitrile latex. It has the following beneficial effects:
[0024] (1) This utility model introduces exhaust gas into the collection and treatment cylinder by setting up a collection cover, a collection pipe and a connecting pipe, so that the exhaust gas can be collected comprehensively and without omission. Combined with the filter plate, the first adsorption layer and the second adsorption layer, a multi-layer filtration and adsorption structure is formed, which effectively removes particulate matter and harmful gases in the exhaust gas and achieves the effect of improving the exhaust gas treatment efficiency.
[0025] (2) This utility model is equipped with a water tank. The water pump delivers water to the connecting water box through the delivery pipe, and then forms water mist through the spray head. It fully contacts the exhaust gas to achieve wet treatment, remove harmful substances in the exhaust gas, reduce the temperature of the exhaust gas, and reduce its thermal pollution to the environment. With the help of the filter holes and the discharge pipe, it further filters out the tiny particulate matter in the exhaust gas and discharges the treated exhaust gas smoothly, avoiding the accumulation of exhaust gas in the device and secondary pollution, thus improving the treatment efficiency and environmental protection effect. Attached Figure Description
[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0027] Figure 2 This is a cross-sectional view of the structure of a device for treating exhaust gas in the production of nitrile latex according to this utility model.
[0028] Figure 3 This is a bottom view of the water spray section of a tail gas treatment device in the production of nitrile latex according to this utility model.
[0029] Figure 4 This is a top view of the structure of the tail gas collection point in the production of nitrile latex according to this utility model.
[0030] In the figure: 1 base, 2 control box, 3 nitrile latex production equipment body, 4 collection filter assembly, 41 collection site, 411 guardrail, 412 collection processing cylinder, 413 connecting pipe, 414 collection cover, 415 collection pipe, 416 sealing sleeve, 417 filter plate, 418 first adsorption layer, 419 second adsorption layer, 42 processing site, 421 water tank, 422 water pump, 423 conveying pipe, 424 support ring, 425 connecting water box, 426 spray head, 427 drain pipe, 428 filter hole, 429 discharge pipe. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] Examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.
[0033] Embodiment one:
[0034] The preferred embodiment of the nitrile latex production tail gas treatment device provided by the present application is shown in the figure: Figures 1-4 The nitrile latex production tail gas treatment device includes a base 1, a control box 2 is fixedly installed on the top of the base 1, and a nitrile latex production equipment body 3 is fixedly installed on the top of the base 1; a collection filter assembly 4 is arranged above the base 1; the collection filter assembly 4 includes: a collection site 41 arranged above the base 1 and on one side of the nitrile latex production equipment body 3; a processing site 42 arranged above the base 1 and on one side and above the collection site 41.
[0035] The collection site 41 includes: a guardrail 411 fixedly installed on the top of the base 1; a collection cover 414 fixedly installed on the outer wall of the nitrile latex production equipment body 3 for collecting discharged tail gas; a collection processing cylinder 412 arranged in the interior of the guardrail 411 and fixedly installed on the top of the base 1, and a connecting pipe 413 arranged in communication on one side of the collection processing cylinder 412.
[0036] By setting the guardrail 411, fixedly installed on the top of the base 1, mainly play a safety role, prevent the operator mis-touch high temperature or moving parts.
[0037] By setting the collection processing cylinder 412, as the place of the tail gas preliminary processing, its inside design has complex filter and adsorption structure.
[0038] By setting the collection cover 414, made of high temperature resistant, corrosion resistant material, closely fit nitrile rubber latex production equipment body 3 outer wall, ensure that the tail gas can be completely collected, prevent the leakage.
[0039] The outer wall of the collection cover 414 is communicated with the collection pipe 415, and the other end of the collection pipe 415 is communicated with the inside of the connecting pipe 413, the outer wall of the collection pipe 415 is fixedly installed with the sealing sleeve 416, and the inner wall of the sealing sleeve 416 is fixedly installed on the outer wall of the collection cover 414.
[0040] By setting the collection pipe 415, connected with the collection cover 414, the tail gas is introduced into the connecting pipe 413. The sealing sleeve 416 ensures the tight connection between the collection pipe and the collection cover, preventing the leakage of the tail gas.
[0041] The inner wall of the collection processing cylinder 412 is fixedly installed with the filter plate 417, and the filter plate 417 is arranged above the connecting pipe 413, the top of the filter plate 417 is fixedly installed with the first adsorption layer 418, and the second adsorption layer 419 is arranged above the first adsorption layer 418.
[0042] By setting the filter plate 417, made of multiple layers of metal mesh or fiber material, can preliminarily filter out the large particles in the tail gas.
[0043] By setting the first adsorption layer 418 and the second adsorption layer 419, respectively using activated carbon, molecular sieve and other high efficiency adsorption materials, can adsorb the harmful gas and small particles in the tail gas, further purify the tail gas.
[0044] Further, the embodiment is provided with the collection cover 414, the collection pipe 415 and the connecting pipe 413, which can guide the tail gas into the collection processing cylinder 412, so that the tail gas can be collected comprehensively and without omission, and the filter plate 417, the first adsorption layer 418 and the second adsorption layer 419 form a multi-layer filter and adsorption structure, which can effectively remove the particles and harmful gas in the tail gas.
[0045] Example two:
[0046] On the basis of example one, the preferred embodiment of the device for processing tail gas in nitrile rubber latex production provided by the utility model like Figures 1-4The processing part 42 comprises a water tank 421 fixedly installed on the top of the base 1 and arranged on the other side of the collection processing cylinder 412, a support ring 424 fixedly installed on the inner wall of the collection processing cylinder 412, and a water pump 422 arranged in the water tank 421. One side of the water pump 422 is communicated with a delivery pipe 423 which is sequentially and movably penetrated through the outer wall of the water tank 421 and the collection processing cylinder 412 and extended into the interior of the collection processing cylinder 412.
[0047] The water tank 421 is arranged to store water for wet processing, and the interior of the water tank 421 is provided with heating and cooling devices to adjust the water temperature and ensure the effect of wet processing.
[0048] The inner wall of the support ring 424 is fixedly installed with a connecting water box 425, the other end of the delivery pipe 423 is communicated with the interior of the connecting water box 425, and the bottom of the connecting water box 425 is circumferentially and equidistantly communicated with a spraying head 426.
[0049] The spraying head 426 is arranged to uniformly spray water mist into the tail gas, increase the contact area between the tail gas and the water mist, and improve the purification effect.
[0050] One side of the outer wall of the water tank 421 is communicated with a drain pipe 427, the other end of the drain pipe 427 is communicated with the interior of the collection processing cylinder 412, and the drain pipe 427 is located below the filter plate 417.
[0051] The drain pipe 427 is arranged to drain the water generated in the wet processing process from the collection processing cylinder 412, and the water can be recycled after appropriate treatment.
[0052] The upper side of the support ring 424 is provided with a filter hole 428, the top of the collection processing cylinder 412 is circumferentially and equidistantly arranged in the filter hole 428, the upper side of the filter hole 428 is provided with a discharge pipe 429, and the discharge pipe 429 is fixedly installed on the top of the collection processing cylinder 412.
[0053] Further, the water tank 421 is arranged, the water pump 422 delivers water to the connecting water box 425 through the delivery pipe 423, and the spraying head 426 forms water mist to fully contact with the tail gas to realize wet processing, remove harmful substances in the tail gas, reduce the temperature of the tail gas, reduce the thermal pollution to the environment, cooperate with the filter hole 428 and the discharge pipe 429 to further filter out the small particulate matters in the tail gas, and smoothly discharge the processed tail gas to avoid the accumulation and secondary pollution of the tail gas in the interior of the device.
[0054] In use, first, the exhaust gas is discharged from one side of the nitrile latex production equipment body 3, collected by the collecting cover 414, which is fixedly installed on the outer wall of the equipment and communicated with the connecting pipe 413 through the collecting pipe 415, and the sealing sleeve 416 ensures the close connection between the collecting pipe and the collecting cover to prevent exhaust gas leakage, further, the collected exhaust gas first enters the collecting and processing cylinder 412, which is provided with a filter plate 417, when the exhaust gas passes through the filter plate, larger particles will be intercepted, a first adsorption layer 418 and a second adsorption layer 419 are sequentially arranged above the filter plate, for further adsorbing harmful substances in the exhaust gas, further, the exhaust gas after preliminary filtration enters the processing part 42, the water pump 422 in the water tank 421 is started, and water is pumped to the connecting water box 425 through the conveying pipe 423, the connecting water box is fixedly installed on the inner wall of the support ring 424, and the bottom circumference is communicated with the spray head 426 arranged at equal intervals, the spray head pumps out water to form water mist, which fully contacts with the exhaust gas to further remove harmful substances in the exhaust gas, further, the exhaust gas after wet treatment continues to rise and is filtered again through the filter dense hole 428, which is arranged at equal intervals on the top of the collecting and processing cylinder, to ensure that the exhaust gas can be uniformly distributed and pass through, finally, the exhaust gas is discharged from the device through the discharge pipe 429, reaching the environmental protection standard, at the same time, the water tank 421 is communicated with the drain pipe 427 arranged on the outer wall of one side, and the other end of the drain pipe is communicated with the inside of the collecting and processing cylinder 412 and located below the filter plate 417, so that the water generated during the processing process can be smoothly discharged, avoiding the accumulation of water affecting the processing effect.
[0055] Finally, it should be noted that: the above only for preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included in the protection scope of the present application.
Claims
1. A device for treating tail gas in the production of nitrile latex, comprising a base (1), characterized in that: The top of the base (1) is fixedly installed with a control box (2), and the top of the base (1) is fixedly installed with a nitrile latex production equipment body (3); A collection filtering assembly (4) is arranged above the base (1); The collection filtering assembly (4) comprises: A collection site (41) is arranged above the base (1) and on one side of the nitrile latex production equipment body (3); A treatment site (42) is arranged above the base (1) and on one side and above the collection site (41).
2. A device for treating tail gas in the production of nitrile latex according to claim 1, characterized in that: The collection site (41) comprises: A protective fence (411) is fixedly installed on the top of the base (1); A collection cover (414) is fixedly installed on the outer wall of the nitrile latex production equipment body (3) and is used for collecting discharged tail gas; The inside of the protective fence (411) is provided with a collection and treatment cylinder (412), and the collection and treatment cylinder (412) is fixedly installed on the top of the base (1), and one side of the collection and treatment cylinder (412) is in communication with a connecting pipe (413).
3. A device for treating tail gas in the production of nitrile latex according to claim 2, characterized in that: The outer wall of the collection cover (414) is in communication with a collection pipe (415), and the other end of the collection pipe (415) is in communication with the inside of the connecting pipe (413), the outer wall of the collection pipe (415) is fixedly installed with a sealing sleeve (416), and the inner wall of the sealing sleeve (416) is fixedly installed on the outer wall of the collection cover (414).
4. A device for treating tail gas in the production of nitrile latex according to claim 3, characterized in that: The inner wall of the collection and treatment cylinder (412) is fixedly installed with a filter plate (417), and the filter plate (417) is arranged above the connecting pipe (413), the top of the filter plate (417) is fixedly installed with a first adsorption layer (418), and the top of the first adsorption layer (418) is provided with a second adsorption layer (419).
5. A device for treating tail gas in production of nitrile latex according to claim 1, characterized in that: The treatment site (42) comprises: A water tank (421) is fixedly installed on the top of the base (1), and the water tank (421) is arranged on the other side of the collection and treatment cylinder (412); A support ring (424) is fixedly installed on the inner wall of the collection and treatment cylinder (412); The inside of the water tank (421) is provided with a water pump (422), one side of the water pump (422) is in communication with a conveying pipe (423), and the conveying pipe (423) successively penetrates the outer wall of the water tank (421) and the collection and treatment cylinder (412) and extends into the inside of the collection and treatment cylinder (412).
6. A device for treating exhaust gas in the production of nitrile latex according to claim 5, characterized in that: The inner wall of the support ring (424) is fixedly installed with a connecting water box (425), the other end of the conveying pipe (423) is in communication with the inside of the connecting water box (425), and the bottom of the connecting water box (425) is in communication with a spraying head (426) at equal intervals in a circumferential direction.
7. A device for treating exhaust gas in the production of nitrile latex according to claim 6, characterized in that: One side of the outer wall of the water tank (421) is in communication with a drain pipe (427), and the other end of the drain pipe (427) is in communication with the inside of the collection and treatment cylinder (412), and the drain pipe (427) is below the filter plate (417).
8. A device for treating exhaust gas in the production of nitrile latex according to claim 7, characterized in that: The upper portion of the support ring (424) is provided with a filter hole (428), and the filter hole (428) is circumferentially equidistantly provided with the top of the collection and treatment cylinder (412). The upper portion of the filter hole (428) is provided with a discharge pipe (429), and the discharge pipe (429) is fixedly installed on the top of the collection and treatment cylinder (412).