CN218687441U - Flue gas treatment device for separating oil dust - Google Patents

Abstract

The utility model relates to a flue gas treatment technical field, concretely relates to flue gas processing apparatus of separation oil dirt, its characterized in that: including the filter mantle, sealed basin, the separation cover, the collecting box, circulation conveyer and oil dirt filter equipment, be equipped with the filter chamber in the filter mantle, the filter mantle top is equipped with into flue gas pipe, filter mantle side surface bottom is equipped with out the flue gas pipe, the top and the filter mantle bottom that sealed basin was located to the filter mantle stretch into in the sealed basin, the separation cover is located on the support frame, be equipped with the separation chamber in the separation cover, oil dirt filter equipment locates on the circulation conveyer, and carry out circulation conveying in filter chamber and separation intracavity, be equipped with combustion heating device and gas blowing device in the separation chamber, the collecting box is located the separation cover below. The utility model has the advantages that the whole structure is practical and reliable, tar can be washed out without water, the collected tar is not mixed with water, the tar is convenient to refine, the refined tar has better purity, and the water content is very low.

Description

Flue gas treatment device for separating oil dust

Technical Field

The utility model relates to a technical field is handled to the flue gas, and is specificly related to a flue gas processing apparatus of separation oil dirt.

Background

The combustor is generally utilized to externally heat the rotary furnace by the conventional carbonization equipment, biomass raw materials are subjected to high-temperature anaerobic cracking carbonization in the rotary furnace, the biomass materials can generate a large amount of high-temperature smoke containing wood gas and the like in the carbonization process, the temperature of the high-temperature smoke is higher at the moment, the high-temperature smoke contains more dust, tar and other substances, the high-temperature smoke is relatively unclean, the high-temperature smoke is difficult to safely utilize, the waste of biomass energy is avoided, the traditional method is to spray, wash and cool the high-temperature smoke through a spray tower and a condensing tower, tar in the high-temperature smoke is washed away and plays a corresponding dust fall cooling effect, the wood gas is recycled, water containing the tar is conveyed into a collection tank to be collected for subsequent treatment, the tar in the wood gas is washed out by adopting a spray water mode, the tar and the tar are mixed together, so that the tar can be subsequently refined, the moisture in the refined tar is large, and the tar is relatively impure inconvenience is caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an overall structure is practical, reliable, need not to wash out tar earlier through the shower water, can make the tar of collecting not mix together with water, makes things convenient for the tar subsequent to refine, and the tar purity after refining is better, the flue gas processing apparatus of a separation oil dirt that the moisture content is very low.

In order to solve the technical problem, the utility model discloses a technical scheme as follows: a smoke treatment device for separating oil dust comprises a filter cover, a sealed water tank, a separation cover, a collecting box, a circulating transmission device and an oil dust filtering device, wherein a filter cavity which is open downwards is arranged in the filter cover, a smoke inlet pipe is arranged at the top of the filter cover, a smoke outlet pipe is arranged at the bottom of the surface of one side of the filter cover, the filter cover is arranged above the sealed water tank, the bottom of the filter cover extends into the sealed water tank, the separation cover is arranged at one side of the filter cover and is fixedly arranged on a support frame, a separation cavity which is open downwards is arranged in the separation cover, the oil dust filtering device is arranged on the circulating transmission device, the circulating transmission device is used for driving the oil dust filtering device to circularly transmit in the filter cavity and the separation cavity through the sealed water tank, a combustion heating device and a blowing device are sequentially arranged in the separation cavity along the transmission direction of the circulating transmission device, the combustion heating device is used for combustion heating of attachments on the oil dust filtering device, the blowing device is used for blowing off and separating the attachments which are heated after combustion from the oil dust filtering device, and is used for collecting the fallen attachments and arranging the collecting box below the separation cover.

Further, circulation conveyer includes drive assembly, drive gear, drive chain, the driving shaft, a plurality of first driven shafts, a plurality of second driven shafts and a plurality of third driven shaft, the separation intracavity is all located to driving shaft and a plurality of first driven shaft, the both ends of driving shaft and first driven shaft are all rotatable through first rolling bearing install on the separation hood, a plurality of second driven shafts are located in the sealed basin, rotatable the installing on sealed basin of second rolling bearing is passed through at the both ends of second driven shaft, the filter intracavity is located to a plurality of third driven shafts, rotatable the installing on the filter hood of third rolling bearing is passed through at the both ends of third driven shaft, the driving shaft, first driven shaft, the equal fixed mounting in both ends of second driven shaft and third driven shaft has drive gear, drive chain is two and the interval sets up, every drive chain walks around the driving shaft in proper order, a plurality of first driven shafts, the drive gear and the transmission connection on a plurality of second driven shafts and the corresponding one end of a plurality of third driven shaft, drive assembly locates on the separation hood and is used for driving the driving shaft to rotate.

Furthermore, the number of the first driven shafts is 3, the first driven shafts and the driving shaft are arranged in a quadrilateral shape, the number of the second driven shafts is 4, the second driven shafts and the third driven shafts are arranged in a quadrilateral shape, and the number of the third driven shafts is 7-11.

Furthermore, drive assembly includes driving motor, and driving motor fixed mounting is on the motor cabinet, and motor cabinet fixed connection is on the separation cover, and driving motor's motor shaft passes through the shaft coupling and is connected with the one end transmission of driving shaft.

Furthermore, the third outer sleeve with the seat is provided with a cooling sleeve for cooling the third outer sleeve with the seat.

Furthermore, the oil dust filtering device is an oil dust filtering net which is arranged along the circumferential direction of the transmission chains and is fixedly arranged between the two transmission chains.

Furthermore, four corners of the bottom of the filter cover are fixedly connected to the sealed water tank through corresponding connecting blocks.

Furthermore, the combustion heating device comprises a heat supply pipe and combustion nozzles, the heat supply pipe is fixedly arranged on the separation cover and located below the circulating conveying device, and the combustion nozzles arranged at intervals are arranged on the heat supply pipe along the length direction of the heat supply pipe.

Furthermore, the air blowing device is arranged in the circulating conveying device and blows air to the oil dust filtering device from inside to outside.

Further, gas blowing device includes that the air feed is responsible for, and the air feed is responsible for and is longitudinal arrangement and locate the separation cover outside, and the air feed is responsible for and is equipped with a plurality of intervals along its length direction and sets up and lie in the jet-propelled pipe of separation intracavity, and jet-propelled pipe fixed mounting is on the separation cover, is equipped with the air nozzle that a plurality of intervals set up along its length direction on the jet-propelled pipe.

According to the above description, the utility model provides a flue gas processing apparatus of separation oil dirt, when thoughtlessly there is wood gas, tar, the high temperature flue gas of dust etc. gets into the filter chamber back from advancing the flue gas pipe, oil dirt filter equipment can play corresponding filtering action to tar and dust in the high temperature flue gas, and make tar and dust adhere to on oil dirt filter equipment, then the oil dirt filter equipment that has tar and dust adhered to can convey to the separation intracavity under circulation conveyer's drive, at this moment, burning heating device can carry out the burning heating to attachments such as dust and tar on the oil dirt filter equipment, thereby greatly reduced attachments's adhesion, so, under gas blowing of gas blowing device, alright blow the attachments such as dust and tar from oil dirt filter equipment and fall the separation, and make it drop to the collecting box in, can make things convenient for accomplish the collection to the tar water resource, so because do not need not to annotate and carry out the water spray to filter under the flue gas pipe effective filtration process of filtration water spray, thereby make the tar not mixed together with water spray, can make things convenient subsequent, and refine, and the purity after refining, and the purity of tar is very fine purification, it can guarantee that the sealed moisture content of tar and the sealed filter equipment to carry out the sealed water spray to filter tank, thereby the sealed filter equipment, the sealed moisture content of tar can guarantee simultaneously, thereby it can guarantee to carry out the sealed filter process to the sealed filter under the sealed filter tank, thereby the sealed flue gas filter equipment, the sealed filter chamber, the sealed high temperature filter equipment, the sealed water spray can be fine high temperature is fine filter equipment, thereby, the sealed filter equipment of a good water-free from the bottom of the sealed filter equipment.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a flue gas treatment device for separating oil dust of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is the internal structure diagram of the flue gas treatment device for separating oil and dust of the present invention.

Fig. 4 is a schematic perspective view of the driving assembly in transmission connection with the driving shaft.

FIG. 5 shows an air blowing device the three-dimensional structure is schematically shown.

Fig. 6 is a schematic perspective view of a combustion heating apparatus.

Fig. 7 is a schematic structural diagram of the oil dust filter screen mounted on the transmission chain.

Drawing (A) the method comprises the following steps: 1-a filter housing; 11-a filter chamber; 12-a smoke inlet pipe; 13-smoke outlet pipe; 2-sealing the water tank; 3-a separation hood; 31-a separation chamber; 4, a collecting box; 5-circulating the conveying device; 51-a drive assembly; 511-a drive motor; 512-motor cabinet; 513-a coupling; 52-a transmission gear; 53-drive chains; 54-drive shaft; 55-a first driven shaft; 56-a second driven shaft; 57-a third driven shaft; 581-a first seated bearing; 582-a second seated bearing; 583-a third seated bearing; 59-a cooling jacket; 61-oil dust filter screen; 7-a support frame; 8-a combustion heating device; 81-heat supply energy pipe; 82-a combustion nozzle; 9-a blowing device; 91-a main gas supply pipe; 92-a gas ejector tube; 93-air nozzle.

Detailed Description

The present invention is further described below in the following with reference to specific embodiments.

As shown in fig. 1 to 7, a flue gas processing apparatus of separation oil dirt, including filter mantle 1, sealed basin 2, separation mantle 3, collecting box 4, circulation conveyer 5 and oil dirt filter equipment, be equipped with open filter chamber 11 downwards in the filter mantle 1, filter mantle 1 top is equipped with into flue gas pipe 12, filter mantle 1 side surface bottom is equipped with out flue gas pipe 13, filter mantle 1 locates the top of sealed basin 2 just filter mantle 1 bottom stretches into in the sealed basin 2, separation mantle 3 is located one side and fixed mounting of filter mantle 1 are on support frame 7, be equipped with open separation chamber 31 downwards in the separation mantle 3, oil dirt filter equipment locates on circulation conveyer 5, circulation conveyer 5 is used for driving oil dirt filter equipment passes through sealed basin 2 is in filter chamber 11 reaches carry out circulation conveying in the separation chamber 31, follow in the separation chamber 31 the direction of circulation conveyer 5 is equipped with burning heating device 8 and gas blowing device 9 in proper order, burning heating device 8 is used for right oil dirt filter equipment carries out heating and heating device and collecting attachment on the oil dirt filter equipment and the attached matter that blows on the separation chamber 4, the attached matter that drops.

When the high temperature flue gas mixed with wood gas, tar, dust and the like enters the filter cavity 11 from the flue gas inlet pipe 12, the oil dust filtering device can correspondingly filter tar and dust in high-temperature flue gas, and the tar and the dust are attached to the oil dust filtering device, then the oil dust filter device with the tar and the dust can be conveyed into the separation cavity 31 under the driving of the circulating conveyer 5, at this time, the combustion heating device 8 can burn and heat the attachments such as dust and tar on the oil dust filtering device, thereby greatly reducing the adhesiveness of the attachments, under the blowing action of the blowing device 9, the attachments such as dust, tar and the like can be blown off and separated from the oil dust filtering device and fall into the collecting box 4, the collection of the tar can be conveniently finished, thus, the tar is not washed out first through spray water, thereby leading the collected tar not to be mixed with water, being convenient for the subsequent refining of the tar, the refined tar has better purity and low water content, can well ensure the quality of the finished product of the tar, meanwhile, the water saving effect can be achieved to a certain extent, in addition, through the arrangement of the sealed water tank 2, water is injected into the sealed water tank 2, on the premise of allowing the circulating conveying device 5 to drive the oil dust filtering device to circularly convey between the filtering cavity 11 and the separating cavity 31, the water sealing function on the bottom opening of the filtering cover 1 can be well realized, therefore, the tightness in the filter cavity 11 is well ensured, and the filtered high-temperature flue gas can be effectively discharged from the flue gas outlet pipe 13 to a condensing tower in the next process.

As shown in fig. 1, 3 and 7, in particular, the endless transfer device 5 includes a driving assembly 51, a transmission gear 52, a transmission chain 53, a driving shaft 54, a plurality of first driven shafts 55, a plurality of second driven shafts 56 and a plurality of third driven shafts 57, the driving shaft 54 and the plurality of first driven shafts 55 are all arranged in the separation chamber 31, both ends of the driving shaft 54 and the first driven shaft 55 are rotatably mounted on the separation hood 3 through a first bearing 581, a plurality of second driven shafts 56 are provided in the sealed water tank 2, both ends of the second driven shaft 56 are rotatably mounted on the sealed water tank 2 through a second bearing 582 with a seat, a plurality of the third driven shafts 57 are provided in the filter chamber 11, both ends of the third driven shaft 57 are rotatably mounted on the filter housing 1 through a third rolling bearing 583, the drive shaft 54, the first driven shaft 55 the transmission gear 52 is fixedly mounted on both ends of the second driven shaft 56 and the third driven shaft 57, two transmission chains 53 are arranged at intervals, each transmission chain 53 sequentially bypasses the transmission gears 52 on the corresponding ends of the driving shaft 54, the plurality of first driven shafts 55, the plurality of second driven shafts 56 and the plurality of third driven shafts 57 and is in transmission connection, the driving assembly 51 is arranged on the separation hood 3 and is used for driving the driving shaft 54 to rotate, by adopting the structure, the driving assembly 51 can drive the driving shaft 54 to rotate, and by the driving of the transmission chain 53, the oil dust filtering device can be made to follow the transmission chain 53 together the circulation transfer is performed between the filter chamber 11 and the separation chamber 31.

As shown in fig. 3, preferably, the number of the first driven shafts 55 is 3 and is arranged in a quadrilateral shape with the driving shaft 54, the number of the second driven shafts 56 is 4 and is arranged in a quadrilateral shape, and the number of the third driven shafts 57 is 7 to 11 and is arranged in a zigzag shape, so that the oil-dust filtering device can be arranged in the filter cavity 11 in a zigzag shape, thereby performing multi-pass filtering on tar and dust in high-temperature flue gas and effectively ensuring the filtering effect of the oil-dust filtering device on the high-temperature flue gas.

As shown in fig. 1 and 4, in particular, the driving assembly 51 includes a driving motor 511, the driving motor 511 is fixedly installed on a motor base 512, the motor base 512 is fixedly connected to the separation hood 3, a motor shaft of the driving motor 511 is in transmission connection with one end of the driving shaft 54 through a coupling 513, so as to drive the driving shaft 54 to rotate, and preferably, the driving motor 511 is a speed reduction motor.

As shown in fig. 2, in addition, the third seated bearing 583 is sleeved with a cooling jacket 59 for cooling the third seated bearing 583 with water, and due to the fact that the temperature of the high-temperature flue gas entering the filter cavity 11 is high, the third seated bearing 583 can be well cooled with water by the arrangement of the cooling jacket 59, so that the third seated bearing 583 can be cooled with corresponding temperature reduction effect, the service life of the third seated bearing 583 is effectively guaranteed, accordingly, the cooling jacket 59 can be made of products in the prior art, specifically, one end of the cooling jacket 59 is provided with a water inlet and the other end of the cooling jacket 59 is provided with a water outlet, a cooling water channel is arranged in the cooling jacket 59, the water inlet is connected with a water inlet pipe, the water outlet is connected with a water outlet pipe, and cold water enters from the water inlet, passes through the cooling water channel and then flows out from the water outlet, and accordingly, the corresponding water cooling effect can be achieved.

As shown in fig. 3 and 7, preferably, the oil dust filtering device is an oil dust filtering net 61, the oil dust filtering net 61 is arranged along the circumferential direction of the transmission chains 53 and is fixedly installed between the two transmission chains 53, and in addition, the oil dust filtering net 61 is made of stainless steel materials and can be made of products existing in the market.

In addition, four corners of the bottom of the filter cover 1 are fixedly connected to the sealed water tank 2 through corresponding connecting blocks, so that the filter cover 1 is convenient to stably install.

As shown in fig. 3 and 6, specifically, the combustion heating device 8 includes a heat supply pipe 81 and combustion nozzles 82, the heat supply pipe 81 is fixedly installed on the separation hood 3 and located below the circulation conveying device 5, the heat supply pipe 81 is provided with a plurality of the combustion nozzles 82 arranged at intervals along the length direction thereof, the heat supply pipe 81 is used for being connected with an external heat supply device, so as to introduce natural gas, liquefied gas or wood gas into the heat supply pipe 81 and spray out from the combustion nozzles 82 for combustion, thereby achieving a good combustion heating effect on attachments such as tar and dust on the oil dust filtering device, and greatly reducing the adhesion, and preferably, the number of the combustion nozzles 82 is 3-5.

As shown in fig. 3, the air blowing device 9 is provided in the circulating conveyor 5 and blows air from the inside to the outside to the oil-dust filter, thereby facilitating the separation of the attached matter such as tar and dust from the oil-dust filter.

As shown in fig. 3 and 5, specifically, gas blowing device 9 includes that the air feed is responsible for 91, the air feed is responsible for 91 and is longitudinal arrangement and locate the separation cover 3 outside, the air feed is responsible for and is equipped with a plurality of intervals along its length direction on 91 and sets up and be located jet-propelled pipe 92 in the separation chamber 31, jet-propelled pipe 92 fixed mounting in on the separation cover 3, be equipped with the air nozzle 93 that a plurality of intervals set up along its length direction on the jet-propelled pipe 92, the air feed is responsible for 91 and is used for being connected with outside air feeder, so that the past let in high-pressure gas in the air feed is responsible for 91, and make it follow air nozzle 93 blowout to the attachment that will pass through after the combustion heating that can be fine is followed blow and fall the separation on the oil dirt filter equipment.

Preferably, the number of the gas nozzles 92 is 2 to 4, and further, the number of the gas nozzles 93 on the gas nozzles 92 is 3 to 5.

The aforesaid does only the utility model discloses a plurality of embodiment, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this to think about right the utility model discloses carry out immaterial change, all shall belong to the infringement the action of the scope of protection of the utility model.

Claims (10)

1. The utility model provides a flue gas processing apparatus of separation oil dirt which characterized in that: the oil dust filtering device comprises a filter cover, a sealed water tank, a separating cover, a collecting box, a circulating conveying device and an oil dust filtering device, wherein a filter cavity which is open downwards is arranged in the filter cover, a smoke inlet pipe is arranged at the top of the filter cover, a smoke outlet pipe is arranged at the bottom of one side surface of the filter cover, the filter cover is arranged above the sealed water tank, the bottom of the filter cover extends into the sealed water tank, the separating cover is arranged at one side of the filter cover and fixedly mounted on a support frame, a separating cavity which is open downwards is arranged in the separating cover, the oil dust filtering device is arranged on the circulating conveying device, the circulating conveying device is used for driving the oil dust filtering device to pass through the sealed water tank, the filter cavity and the separating cavity to be subjected to circulating conveying, a combustion heating device and a blowing device are sequentially arranged in the separating cavity along the conveying direction of the circulating conveying device, the combustion heating device is used for performing combustion heating on attachments on the oil dust filtering device, the blowing device is used for blowing off and separating the attachments which are heated after combustion from the oil dust filtering device, and the collecting box is arranged below the separating cover.

2. The fume treatment device for separating oil dust according to claim 1, wherein: the circulating transmission device comprises a driving assembly, a transmission gear, a transmission chain, a driving shaft, a plurality of first driven shafts, a plurality of second driven shafts and a plurality of third driven shafts, wherein the driving shaft and the plurality of first driven shafts are arranged in the separation cavity, two ends of the driving shaft and the first driven shafts are rotatably arranged on the separation cover through first bearing blocks, the plurality of second driven shafts are arranged in the sealed water tank, two ends of the second driven shafts are rotatably arranged on the sealed water tank through second bearing blocks, the plurality of third driven shafts are arranged in the filter cavity, the both ends of third driven shaft pass through the rotatable installation in of third area seat bearing on the filter mantle, the driving shaft first driven shaft the second driven shaft reaches the equal fixed mounting in both ends of third driven shaft has drive gear, drive chain is two and interval settings, every drive chain walks around in proper order the driving shaft, a plurality of first driven shaft, a plurality of second driven shaft and a plurality of the corresponding one of third driven shaft is served drive gear and transmission are connected, drive assembly locates be used for the drive on the separation mantle the driving shaft rotates.

3. The flue gas treatment device for separating oil dust according to claim 2, wherein: the number of the first driven shafts is 3, the first driven shafts and the driving shaft are arranged in a quadrilateral shape, the number of the second driven shafts is 4, the second driven shafts are arranged in a quadrilateral shape, and the number of the third driven shafts is 7-11, and the third driven shafts are arranged in a Z shape.

4. The flue gas treatment device for separating oil dust according to claim 2, wherein: the driving component comprises a driving motor which is fixedly arranged on a motor base, the motor base is fixedly connected on the separation cover, and a motor shaft of the driving motor is in transmission connection with one end of the driving shaft through a coupler.

5. The flue gas treatment device for separating oil dust according to claim 2, wherein: and the third bearing with a seat is sleeved with a cooling sleeve for cooling the third bearing with a seat.

6. The flue gas treatment device for separating oil dust according to claim 2, wherein: the oil dust filtering device is an oil dust filtering net, the oil dust filter screen is arranged along the circumferential direction of the transmission chains and is fixedly arranged between the two transmission chains.

7. The flue gas treatment device for separating oil dust according to claim 1, wherein: four corners of the bottom of the filter cover are fixedly connected to the sealed water tank through corresponding connecting blocks.

8. The flue gas treatment device for separating oil dust according to claim 1, wherein: the combustion heating device comprises a heat supply pipe and a combustion nozzle, the heat supply pipe is fixedly arranged on the separation cover and is positioned below the circulating conveying device, and the combustion nozzle is arranged on the heat supply pipe at a plurality of intervals along the length direction of the heat supply pipe.

9. The flue gas treatment device for separating oil dust according to claim 1, wherein: the air blowing device is arranged in the circulating conveying device and blows air to the oil dust filtering device from inside to outside.

10. The flue gas treatment device for separating oil dust according to claim 1, wherein: blowing device is responsible for including the air feed, the air feed is responsible for and is longitudinal arrangement and locates the separation cover outside, the air feed is responsible for and is equipped with a plurality of intervals along its length direction and sets up and be located the jet-propelled pipe of separation intracavity, jet-propelled pipe fixed mounting in on the separation cover, be equipped with the air nozzle that a plurality of intervals set up along its length direction on the jet-propelled pipe.

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