White carbon black drying tail gas white elimination device
By introducing a heat exchange unit and a circulating water unit into the bleaching device for the tail gas of silica drying, and by using high-pressure gas to enhance the atomization effect of water and condensation cooling, the problem of high energy consumption in the existing technology is solved, and low-energy tail gas treatment is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-03-24
AI Technical Summary
Existing silica drying tail gas de-whitening devices require the use of heat pump systems to provide energy during the cooling and heating processes, resulting in high energy consumption and increased production costs.
It adopts a heat exchange unit and a circulating water unit, and uses high-temperature exhaust gas and water atomized by atomizing nozzles to contact the exhaust gas. The high-pressure gas accelerates the water flow rate, enhances the cooling effect, and condensation and cooling are carried out in the distribution pipe to reduce the water content and dust content.
It achieves low-energy heat exchange, reduces production costs, and improves the efficiency and effectiveness of exhaust gas treatment.
Smart Images

Figure CN224024658U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to white carbon black drying tail gas white device technical field, specifically is a kind of white carbon black drying tail gas white device. BACKGROUND
[0002] In the production process of white carbon black, after drying tail gas is discharged from chimney, with temperature reduction, water vapor in tail gas can condense into small water droplets, these small water droplets refract light, cause white carbon black drying tail gas at chimney outlet to present white or gray, form white plume. White plume not only affects environmental aesthetics, can also cause certain pollution to surrounding environment, therefore, eliminating white plume (abbreviation white) become the key link in white carbon black production tail gas treatment.
[0003] Existing white carbon black drying tail gas white device, using circulating water reduces drying tail gas temperature, humidity and dust content, utilize the property that water has strong heat absorption to reduce tail gas temperature, make tail gas produce condensed water to reduce tail gas dust content to realize white, then use heat exchange unit to heat tail gas after heat exchange using high-temperature waste gas, hot air mixes with white plume, heat white plume to reduce the probability of white plume generation.
[0004] In the process of treating drying tail gas, existing scheme needs to use water spraying to cool and dehumidify and dedust drying tail gas, if water pressure is insufficient when existing water spraying device sprays water, there can be poor atomization effect, lead to small contact area between sprayed water and drying tail gas, poor treatment effect. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of prior art, the utility model provides a kind of white carbon black drying tail gas white device, solve the problem that existing scheme needs to use heat pump system to provide energy in the process of reducing the temperature of white plume and heating white plume, lead to more energy consumption, increase production cost.
[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of white carbon black drying tail gas white device, including white device, heat exchange unit and circulating water unit, the heat exchange unit and circulating water unit are set on white device, the circulating water unit is below heat exchange unit, the circulating water unit includes:
[0007] Water pump, the water pump is set on white device outside, the water pump is connected with water pipe, the water pipe is inserted into white device inside through shell and is inserted with atomizing nozzle;
[0008] Gas pump, the gas pump is set on white device outside, the gas pump is connected with high-pressure gas pipe, the high-pressure gas pipe is inserted into atomizing nozzle inside through water pipe.
[0009] Preferably, the white smoke elimination tower comprises:
[0010] An outer shell is provided with a discharge port at the top, and an inspection port is provided on the outer side of the outer shell;
[0011] A water storage tank is provided at the bottom of the outer shell, and is used for storing circulating water.
[0012] Preferably, a fixing plate and a clamping piece are further provided on the outer side of the outer shell, and a clamping ring, a demister and a filter are provided on the inner side of the outer shell, the demister is located above the clamping ring and below the inspection port, and the filter is located inside the discharge port.
[0013] Preferably, a dredging port is provided on the outer side of the water storage tank.
[0014] Preferably, the heat exchange unit comprises:
[0015] An air inlet pipe is connected with a dust collector through the outer shell; the dust collector is located on the outer side of the outer shell
[0016] A gas conveying pipe is connected with a shunt pipe through the outer shell, the shunt pipe is located on the inner side of the outer shell and is communicated with the air inlet pipe, and the air inlet pipe passes through the outer side of the outer shell and is inserted into the bottom of the outer shell.
[0017] Preferably, the water pump is arranged on the lower fixing plate, the water pump is connected with a circulating water pipe, the circulating water pipe is inserted into the inner side of the outer shell, and the circulating water pipe is connected with a water purifier.
[0018] Preferably, the gas pump is inserted into the inner side of the clamping piece.
[0019] The utility model discloses a white carbon black drying tail gas white smoke elimination device, it has the beneficial effect as follows: be provided with heat exchange unit and water circulation device, utilize heat exchange unit to transport high temperature tail gas to white smoke elimination tower, and water circulation device is provided with shower nozzle, is provided with high pressure gas pipe in the shower nozzle, and high pressure gas accelerates the flow rate of water and makes the atomization effect of the water that shower nozzle sprays enhance, increase the contact area of water and high temperature tail gas, improve the cooling effect and can reduce the moisture content and dust content of high temperature tail gas, the tail gas after cooling passes through the shunt pipe of heat exchange unit setting, carries out the temperature reduction to the high temperature tail gas in the shunt pipe and makes the condensation phenomenon in the shunt pipe, reduces the moisture content of high temperature tail gas. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0021] Figure 1 It is a whole structure schematic view of the utility model;
[0022] Figure 2 It is a white tower structure schematic view of the utility model;
[0023] Figure 3 It is a section structure schematic view of the white tower of the utility model;
[0024] Figure 4 It is a structure schematic view of the heat exchange unit of the utility model;
[0025] Figure 5 It is a circulating water unit structure schematic view of the utility model.
[0026] In the drawing: 1, white tower;11, shell;111, discharge port;112, access hole;113, fixed plate;114, clamping piece;115, clasp;116, mist eliminator;117, filter;12, water storage tank;121, dredging port;2, heat exchange unit;21, air inlet pipe;211, dust collector;22, gas conveying pipe;221, shunt pipe;3, circulating water unit;31, water pump;311, water conveying pipe;312, atomizing nozzle;313, circulating water pipe;314, water purifier;32, air pump;321, high-pressure gas pipe. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is clearly and completely described, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0028] The application provides a white carbon black drying tail gas white elimination device, which solves the problem that the existing scheme needs to use a heat pump system to provide energy in the process of reducing the temperature of white plume and heating the white plume, energy consumption is high, and production cost is increased, and realizes white elimination by low-energy-consumption heat exchange.
[0029] The utility model discloses a white carbon black drying tail gas white elimination device.
[0030] According to the accompanying Figures 1-5 As shown, comprising white tower 1, heat exchange unit 2 and circulating water unit 3, heat exchange unit 2 and circulating water unit 3 are arranged on white tower 1, circulating water unit 3 is located below heat exchange unit 2, and circulating water unit 3 comprises:
[0031] Water pump 31, water pump 31 is arranged in the outer side of the white tower 1, water pump 31 is connected with water pipe 311, water pipe 311 penetrates the shell 11 to the inside of the white tower 1 and is inserted with atomizing nozzle 312;
[0032] Gas pump 32, gas pump 32 is arranged in the outer side of the white tower 1, gas pump 32 is connected with high pressure gas pipe 321, high pressure gas pipe 321 penetrates water pipe 311 and is inserted into the inside of atomizing nozzle 312.
[0033] The heat exchange unit 2 and the circulating water unit 3 are arranged, the high temperature tail gas is transported into the white tower 1 by the heat exchange unit 2, the circulating water unit 3 is provided with atomizing nozzle 312, the high pressure gas pipe 321 is arranged in the atomizing nozzle 312, the high pressure gas accelerates the flow rate of water to atomize the water sprayed by the atomizing nozzle 312, increases the contact area of water and high temperature tail gas, improves the cooling effect and can reduce the water content of high temperature tail gas; The cooled tail gas passes through the shunt pipe 221 arranged in the heat exchange unit 2, the high temperature tail gas in the shunt pipe 221 is cooled and condensation phenomenon occurs in the shunt pipe 221, the water content of high temperature tail gas is reduced.
[0034] Further, the white tower 1 comprises:
[0035] The shell 11, the shell 11 top is provided with discharge port 111, the outer side of the shell 11 is provided with access hole 112;
[0036] Water storage tank 12, water storage tank 12 is arranged in the bottom of the shell 11, water storage tank 12 is used for storing circulating water.
[0037] Further, the outer side of the shell 11 is further provided with fixed plate 113 and clamping piece 114, the inner side of the shell 11 is provided with clamping ring 115, demister 116 and filter 117, demister 116 is located above the clamping ring 115 and below the access hole 112, filter 117 is located in the inside of discharge port 111.
[0038] In particular, the outer side of the water storage tank 12 is provided with dredging port 121.
[0039] In particular, the heat exchange unit 2 comprises:
[0040] Air inlet pipe 21, air inlet pipe 21 penetrates the shell 11 and is connected with dust remover 211; dust remover 211 is located outside the shell 11
[0041] Gas pipe 22, gas pipe 22 penetrates the shell 11 and is connected with shunt pipe 221, shunt pipe 221 is located inside the shell 11 and is communicated with air inlet pipe 21, air inlet pipe 21 passes through the outer side of the shell 11 and is inserted into the bottom of the shell 11.
[0042] It needs to be particularly emphasized that the water pump 31 is arranged on the lower fixed plate 113, the water pump 31 is connected with the circulating water pipe 313, the circulating water pipe 313 is inserted into the inside of the shell 11, and the circulating water pipe 313 is connected with the water purifier 314.
[0043] According to the accompanying Figures 1-5 As shown, it comprises a white elimination tower 1, a heat exchange unit 2 and a circulating water unit 3, the heat exchange unit 2 and the circulating water unit 3 are arranged on the white elimination tower 1, the circulating water unit 3 is below the heat exchange unit 2, and the circulating water unit 3 comprises:
[0044] The water pump 31 is arranged on the outside of the white elimination tower 1, the water pump 31 is connected with the water conveying pipe 311, the water conveying pipe 311 penetrates through the shell 11 to the inside of the white elimination tower 1 and is inserted with the atomizing nozzle 312;
[0045] The air pump 32 is arranged on the outside of the white elimination tower 1, the air pump 32 is connected with the high-pressure air pipe 321, and the high-pressure air pipe 321 penetrates through the water conveying pipe 311 and is inserted into the inside of the atomizing nozzle 312.
[0046] It needs to be particularly emphasized that the air pump 32 is inserted into the inside of the clamping piece 114.
[0047] Working principle: first, the high-temperature tail gas enters the white elimination tower 1 through the heat exchange unit 2;
[0048] Then, the circulating water unit 3 sprays water through the atomizing nozzle 312 to cool the high-temperature tail gas, the cooled tail gas rises and contacts the demister 116 to produce condensation phenomenon and reduce the water content;
[0049] Finally, the cooled tail gas continues to rise after passing through the demister 116 and exchanges heat with the high-temperature tail gas in the heat exchange unit 2, the high-temperature tail gas in the heat exchange unit 2 produces condensation phenomenon and reduces the water content, and the cooled tail gas is heated again, filtered through the filter 117 and discharged from the discharge port 111.
[0050] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A device for eliminating whitening in the tail gas of silica drying, comprising an elimination tower (1), a heat exchange unit (2), and a circulating water unit (3), wherein the heat exchange unit (2) and the circulating water unit (3) are disposed on the elimination tower (1), and the circulating water unit (3) is located below the heat exchange unit (2), characterized in that, The circulating water unit (3) includes: Water pump (31), the water pump (31) is located outside the whiteness elimination tower (1), the water pump (31) is connected to a water supply pipe (311), the water supply pipe (311) passes through the outer shell (11) to the inside of the whiteness elimination tower (1) and is connected to an atomizing nozzle (312). An air pump (32) is located outside the whitening tower (1). The air pump (32) is connected to a high-pressure air pipe (321). The high-pressure air pipe (321) passes through the water supply pipe (311) and is inserted into the inside of the atomizing nozzle (312).
2. The whitening device for the tail gas of silica drying according to claim 1, characterized in that, The white-eliminating tower (1) includes: The outer casing (11) has a discharge port (111) on its top and an inspection port (112) on its outer side. A water storage tank (12) is located at the bottom of the outer shell (11) and is used to store circulating water.
3. The whitening device for the tail gas of silica drying according to claim 2, characterized in that, The outer side of the housing (11) is also provided with a fixing plate (113) and a snap fastener (114). The inner side of the housing (11) is provided with a snap ring (115), a demister (116) and a filter (117). The demister (116) is located above the snap ring (115) and below the inspection port (112). The filter (117) is located inside the discharge port (111).
4. The whitening device for the tail gas of silica drying according to claim 3, characterized in that, A sludge removal port (121) is provided on the outside of the water storage tank (12).
5. The whitening device for the tail gas of silica drying according to claim 1, characterized in that, The heat exchange unit (2) includes: An air inlet pipe (21) is provided, which penetrates the outer casing (11) and is connected to a dust collector (211); the dust collector (211) is located outside the outer casing (11); The gas supply pipe (22) passes through the outer shell (11) and is connected to a diversion pipe (221). The diversion pipe (221) is located inside the outer shell (11) and is connected to the air inlet pipe (21). The air inlet pipe (21) passes through the outer shell (11) and is inserted into the bottom of the outer shell (11).
6. The whitening device for the tail gas of silica drying according to claim 1, characterized in that, The water pump (31) is mounted on the fixed plate (113) below. The water pump (31) is connected to a circulating water pipe (313). The circulating water pipe (313) is inserted into the inside of the outer casing (11). The circulating water pipe (313) is connected to a water purifier (314).
7. The device for eliminating whitening in the tail gas of silica drying according to claim 1, characterized in that, The air pump (32) is inserted into the inside of the snap-fit (114).