Impregnation system for producing anti-poison impregnated carbon

Abstract

The utility model discloses an impregnation system for producing anti-poison impregnated carbon, which comprises an impregnation tank, a shell of the impregnation tank is of an interlayer structure, and the interlayer is filled with heat-conducting oil; the interior of the interlayer is connected with a temperature circulation controller through an oil inlet and return pipeline; a liquid inlet and an exhaust port are formed in the impregnating tank, the liquid inlet of the impregnating tank is connected with the liquid outlet of the metering pump through a pipeline, and the exhaust port of the impregnating tank is connected with an external filtering system through a pipeline; in the using process, the efficient impregnation process is controlled by controlling the temperature and the vacuum degree, redundant ammonia gas is recycled, the problems that in the prior art, anti-poison impregnation equipment is low in generation efficiency, backward in technology and low in resource recycling rate are solved, and the advantages of being simple and stable in structure, compact and efficient in process, low in cost and the like are achieved. And the dipping efficiency of the anti-poison filter element can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production technical field of filter can, especially relates to the impregnation system for the production of anti-toxic impregnated carbon. BACKGROUND

[0002] The anti-toxic impregnated carbon can comprehensively protect and purify classic toxic agents, industrial harmful gases and indoor emitted toxic substances, and guarantees the normal life and work of personnel in complex operation environment, at present, the production of anti-toxic impregnated carbon has the following problems:

[0003] 1, the equipment is complex, the impregnation tank is separated from the vacuum drying tank, and the production efficiency is low;

[0004] 2, the production process is backward, and the traditional atmospheric temperature impregnation and open storage cannot meet the batch production demand of high-performance anti-toxic impregnated carbon;

[0005] 3, volatile ammonia and carbon dust generated in the production process pollute the environment, and the solvents such as ammonia water cannot be fully recycled, therefore, the impregnation system for the production of anti-toxic impregnated carbon needs to be designed to solve the above problems. SUMMARY

[0006] The technical problem to be solved by the utility model is to provide the impregnation system for the production of anti-toxic impregnated carbon, aiming at solving the problems of low production efficiency, backward process and low resource recycling rate of the anti-toxic impregnation equipment in the prior art, and having the characteristics of simple and stable structure, compact and efficient process, and effectively improving the impregnation efficiency of the anti-toxic filter element.

[0007] To solve the above technical problems, the utility model adopts the technical scheme that:

[0008] The impregnation system for the production of anti-toxic impregnated carbon includes an impregnation tank, the shell of the impregnation tank is a sandwich structure, and the sandwich is filled with heat conducting oil; the inside of the sandwich is connected with a temperature circulation controller through an oil inlet and return pipeline; the inside of the impregnation tank is provided with a liquid inlet and an exhaust port, the liquid inlet of the impregnation tank is connected with the liquid outlet of a metering pump through a pipeline, and the exhaust port of the impregnation tank is connected with an external filtering system through a pipeline.

[0009] Further, the impregnation tank is lined with 304 stainless steel, which can effectively prevent the impregnation solution from being corroded, has a sandwich structure, the outer wall is smooth, and the inner wall is a concave-convex surface, which can effectively prevent the wet carbon from sticking to the wall.

[0010] Further, the metering pump is a plunger structure, the flow can be infinitely adjusted within 0%~100%, and is used for pressurizing and controlling the speed of the prepared impregnation solution into the impregnation tank.

[0011] Preferably, the filtering system comprises an external filter with a bottom carbon ash discharge port; the air inlet of the external filter is connected with the exhaust port of the immersion tank, and the air outlet of the external filter is connected with the air inlet of the condenser.

[0012] Preferably, the condenser is a horizontally-installed water-cooled jacketed condenser; the air outlet of the condenser is connected with the buffer tank, and the bottom of the buffer tank is provided with a liquid outlet connected with the front end of the liquid inlet of the metering pump.

[0013] Preferably, the air outlet of the buffer tank is communicated with the water ring vacuum pump, and the air outlet end of the water ring vacuum pump is communicated with the water tank; the ammonia water concentration collected in the buffer tank is between 3% and 5%.

[0014] Preferably, the water tank is internally provided with a plate heat exchanger, the plate heat exchanger is communicated with a cold water source or a hot water source, the temperature of the water ring vacuum pump is adjusted, cold water is passed to avoid that the water temperature of the water tank is too high to affect the operation of the vacuum pump, or hot water is passed to prevent the water in the water tank from freezing due to too low air temperature.

[0015] Preferably, the temperature circulation controller comprises an electric heating device and a pump, the pump is connected with the oil inlet and outlet pipelines to circulate the heat conducting oil in the interlayer, and the electric heating device heats the circulating heat conducting oil.

[0016] Further, the temperature control range of the temperature circulation controller is 20-200 DEG C.

[0017] Preferably, the top of the immersion tank is provided with a feed inlet, and a temperature control instrument is mounted on the inner wall of the feed inlet.

[0018] Preferably, the end of the exhaust port in the immersion tank is provided with a filter screen, and a pressure gauge, a stop valve and a back-blowing pulse valve are arranged on the pipeline between the exhaust port and the external filtering system.

[0019] Preferably, the end of the liquid inlet in the immersion tank is connected with a spray head, the bottom of the immersion tank is provided with a discharge port, one side of the immersion tank is connected with a motor, and the motor is connected with a stirring device in the immersion tank.

[0020] Further, the stirring device comprises a stirring shaft arranged in the immersion tank, and a plurality of stirring blades are connected with the outer surface of the stirring shaft; one end of the stirring shaft is rotatably connected with a shell in the immersion tank and penetrates through the shell, a bearing is arranged at the rotatable connection position and is sealed, so that the heat conducting oil in the interlayer of the shell can not flow out, and the materials and gases in the immersion tank can not leak out, the stirring shaft penetrating out of the shell is connected with the motor and a speed regulator, and the motor drives the stirring device to rotate.

[0021] The immersion tank for ammonia water production has the following beneficial effects:

[0022] The utility model discloses a vacuum impregnation system and vacuum drying system are fused as a whole, can realize active carbon vacuum hot impregnation after direct vacuum drying and drying, need not shift material, reduce the equipment floor space and production energy consumption, vacuum hot impregnation can reduce the viscosity of impregnation solution in active carbon pore, enhance the adsorption diffusion effect of impregnation solution in active carbon, and low-temperature vacuum drying can realize the gentle evaporation of ammonia water in active carbon pore, reduce energy consumption, and the system can recover volatile ammonia, and the ammonia water solution is prepared after recycling, and environmental protection. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is overall structure schematic diagram of the utility model;

[0024] Fig. 2 It is overall structure block diagram of the utility model's circuit;

[0025] In the drawing: impregnation tank 1, temperature circulation controller 2, metering pump 3, external filter 4, condenser 5, buffer tank 6, water ring vacuum pump 7, water tank 8, spray head 101, filter screen 103, feed inlet 104, discharge port 105, motor 106, speed regulator 107, temperature controller 109, pressure gauge 110, backflushing pulse valve 111, stop valve 112. DETAILED DESCRIPTION

[0026] Example one:

[0027] As Figs. 1-2 In the drawing: impregnation tank 1, temperature circulation controller 2, metering pump 3, external filter 4, condenser 5, buffer tank 6, water ring vacuum pump 7, water tank 8, spray head 101, filter screen 103, feed inlet 104, discharge port 105, motor 106, speed regulator 107, temperature controller 109, pressure gauge 110, backflushing pulse valve 111, stop valve 112.

[0028] Further, the impregnation tank 1 is lined with 304 stainless steel, which can effectively prevent the impregnation solution from being corroded, has a sandwich structure, a smooth outer wall and a concave-convex inner wall, and can effectively prevent wet carbon from sticking to the wall.

[0029] Further, the metering pump 3 is of a plunger structure, and the flow can be steplessly adjusted within 0%~100%, for pressurizing and controlling the speed of the prepared impregnation solution to be pumped into the impregnation tank 1.

[0030] Preferably, the filter system includes an external filter 4, which has a carbon ash discharge port at the bottom, and the gas inlet of the external filter 4 is connected with the gas outlet of the impregnation tank 1, and the gas outlet of the external filter 4 is connected with the gas inlet of the condenser 5.

[0031] Preferably, the condenser 5 is a horizontally installed water-cooled jacketed condenser 5; the gas outlet of the condenser 5 is connected with the buffer tank 6, and the bottom of the buffer tank 6 is provided with a liquid outlet connected with the front end of the liquid inlet of the metering pump 3.

[0032] Preferably, the gas outlet of the buffer tank 6 is communicated with the water ring vacuum pump 7, and the gas outlet end of the water ring vacuum pump 7 is communicated with the water tank 8; the ammonia water collected in the buffer tank 6 has a concentration of 3%-5%.

[0033] Preferably, the water tank 8 is internally provided with a plate heat exchanger, the plate heat exchanger is communicated with a cold water source or a hot water source, the temperature of the water ring vacuum pump 7 is adjusted, cold water is passed to avoid that the water temperature of the water tank 8 is too high to affect the operation of the vacuum pump, or hot water is passed to prevent the water in the water tank 8 from freezing due to too low temperature.

[0034] Preferably, the temperature circulation controller 2 comprises an electric heating device and a pump machine, the pump machine is connected with the oil inlet and outlet pipelines to circulate the heat conducting oil in the interlayer, and the electric heating device heats the circulating heat conducting oil.

[0035] Further, the temperature control range of the temperature circulation controller 2 is 20℃-200℃.

[0036] Preferably, the top of the impregnation tank 1 is provided with a feeding port 104, and a temperature control instrument 109 is mounted on the inner wall of the feeding port 104.

[0037] Preferably, the end of the gas outlet in the impregnation tank 1 is provided with a filter screen 103, and a pressure gauge 110, a stop valve 112 and a back flushing pulse valve 111 are arranged on the pipeline between the gas outlet and the external filtering system.

[0038] Preferably, the end of the liquid inlet in the impregnation tank 1 is connected with a spray head 101, and the bottom of the impregnation tank 1 is provided with a discharging port 105; one side of the impregnation tank 1 is connected with a motor 106, and the motor 106 is connected with a stirring device in the impregnation tank 1.

[0039] Further, the stirring device comprises a stirring shaft arranged in the impregnation tank 1, and a plurality of stirring blades are connected with the outer surface of the stirring shaft; one end of the stirring shaft is rotatably connected with a shell in the impregnation tank 1 and penetrates through the shell, a bearing with sealing treatment is adopted at the rotatable connection position to avoid that the heat conducting oil in the interlayer of the shell flows out and also to avoid that the materials and gases in the impregnation tank 1 leak out, and the stirring shaft penetrating out of the shell is connected with the motor 106 and a speed regulator 107 of a gear set structure, and the motor 106 drives the stirring device to rotate.

[0040] Embodiment two:

[0041] The use method of the impregnation system for producing the anti-toxic impregnated carbon comprises the following steps:

[0042] S1, the broken coconut shell activated carbon with water capacity of 90%-120% is sent into the tank through the vacuum extractor from the feed inlet 104 at the upper end of the impregnation tank 1, and the temperature in the tank is monitored in real time through the temperature controller 109;

[0043] S2, the inside of the impregnation tank 1 is vacuumized, the water ring vacuum pump 7 is started to vacuumize, when the pressure gauge 110 shows that the vacuum degree reaches-0.03~-0.04Mpa, the stop valve 112 is closed and the water ring vacuum pump 7 is closed;

[0044] S3, the antitoxic mixed solution with specific gravity of 1.21~1.31 is pumped into the impregnation tank 1 through the metering pump 3, the outlet pipe of the metering pump 3 is deep into the impregnation tank 1, and the mixed solution is atomized through the spray head 101, so as to impregnate the broken coconut shell activated carbon;

[0045] S4, during the impregnation process, the temperature in the impregnation tank 1 is controlled in the range of 40~50℃ through the temperature cycle controller 2 cooperating with the heat conducting oil, and the internal materials are stirred through the motor 106 to complete the vacuum hot impregnation;

[0046] S5, after the vacuum hot impregnation is completed, the back flushing pulse valve 111 is started and the stop valve 112 is opened, the carbon ash and liquid remaining in the back flushing pipeline are blown out, so as to adjust the vacuum degree;

[0047] S6, vacuum drying is carried out:

[0048] The opening degree of the pressure reducing valve at the front end of the water ring vacuum pump 7 is adjusted, the vacuum degree in the tank is maintained at-0.05~-0.07Mpa, the temperature cycle controller 2 is adjusted to increase the temperature of the heat conducting oil, so that the temperature in the tank reaches 80~90℃ to execute the vacuum drying; after the vacuum drying is completed, the materials are discharged from the tank body discharge port 105 and transferred to the boiling furnace for subsequent high temperature activation;

[0049] S7, during the vacuumizing process, the residual gas in the impregnation tank 1 is treated through the filtering system; the residual gas is extracted through the exhaust port of the impregnation tank 1, and sequentially passes through the external filter 4 and the condenser 5, the condensed ammonia water is stored in the buffer tank 6, and is recycled through the liquid outlet at the bottom of the buffer tank 6.

[0050] Further, in step S6, the vacuum drying time is determined by the amount of impregnated carbon, which is generally 60-90min.

[0051] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limitations on the present application, and the embodiments in the present application and the features in the embodiments can be combined with each other in any manner without conflict. The protection scope of the present application should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features in the technical solutions recorded in the claims as the protection scope. That is, the equivalent replacement improvements within the scope are also within the protection scope of the present application.

Claims

1. Impregnation system for the production of impregnated activated carbon for protection against toxic substances, characterized in that: The application relates to a heat exchange system, which comprises an immersion tank (1), the shell of the immersion tank (1) is a sandwich structure, and the sandwich is filled with heat-conducting oil; the inside of the sandwich is connected with a temperature circulation controller (2) through an oil inlet and return pipeline; the inside of the immersion tank (1) is provided with a liquid inlet and an exhaust port; the liquid inlet of the immersion tank (1) is connected with the liquid outlet of a metering pump (3) through a pipeline; the exhaust port of the immersion tank (1) is connected with an external filtering system through a pipeline; the filtering system comprises an external filter (4), the air inlet of the external filter (4) is connected with the exhaust port of the immersion tank (1), and the air outlet of the external filter (4) is connected with the air inlet of a condenser (5); the condenser (5) is a water-cooled jacketed condenser; the air outlet of the condenser (5) is connected with a buffer tank (6), the bottom of the buffer tank (6) is provided with a liquid outlet which is connected with the front end of the liquid inlet of the metering pump (3), the air outlet of the buffer tank (6) is communicated with a water ring vacuum pump (7), and the air outlet end of the water ring vacuum pump (7) is communicated with a water tank (8).

2. The impregnation system for production of anti-viral impregnated charcoal according to claim 1, wherein: The water tank (8) is internally provided with a plate heat exchanger, the plate heat exchanger is communicated with a cold water source or a hot water source, and the temperature of the water ring vacuum pump (7) is adjusted.

3. The impregnation system for production of anti-viral impregnated charcoal according to claim 1, wherein: The temperature circulation controller (2) comprises an electric heating device and a pump, the pump is connected with the oil inlet and return pipeline, the heat-conducting oil in the sandwich is circulated, and the electric heating device heats the circulated heat-conducting oil.

4. The impregnation system for production of anti-viral impregnated charcoal according to claim 1, wherein: The immersion tank (1) is provided with a feeding port (104) at the top, a temperature controller (109) is arranged on the inner wall of the feeding port (104).

5. The impregnation system for production of anti-viral impregnated charcoal according to claim 1, wherein: The end of the exhaust port in the immersion tank (1) is provided with a filter screen (103), a pressure gauge (110), a stop valve (112) and a back-blowing pulse valve (111) are arranged on the pipeline between the exhaust port and the external filtering system.

6. The impregnation system for production of anti-viral impregnated charcoal according to claim 1, wherein: The end of the liquid inlet in the immersion tank (1) is connected with a spraying head (101), the bottom of the immersion tank (1) is provided with a discharging port (105); one side of the immersion tank (1) is connected with a motor (106), and the motor (106) is connected with a stirring device in the immersion tank (1).

Images