CN211600739U

CN211600739U - RCO heat accumulating type catalytic cracking device

Info

Publication number: CN211600739U
Application number: CN201922409809.0U
Authority: CN
Inventors: 毕传军
Original assignee: Kunshan Aonasen Energy Conservation And Environmental Protection Technology Co ltd
Current assignee: Kunshan Aonasen Energy Conservation And Environmental Protection Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-29
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a RCO heat accumulating type catalytic cracking device, which comprises a filter box and a catalytic furnace, wherein a dust absorption filter screen is obliquely arranged in the filter box, a first waste gas pipe and a second waste gas pipe are connected on the filter box, the catalytic furnace comprises a combustion chamber, a first regenerative chamber and a second regenerative chamber, the first regenerative chamber and the second regenerative chamber are communicated with the combustion chamber, a regenerative bed and a catalyst are arranged in the first regenerative chamber and the second regenerative chamber, a burner is connected on the side wall of the combustion chamber, a first air inlet pipe and a second air inlet pipe are connected on the second waste gas pipe, the first air inlet pipe is communicated with the first regenerative chamber, a first valve is arranged on the first air inlet pipe, the second air inlet pipe is communicated with the second regenerative chamber, a second valve is arranged on the second air inlet pipe, a first air outlet pipe is connected on the first regenerative chamber, a second air outlet pipe is connected on the second regenerative chamber, the first air outlet pipe and the second air outlet pipe are connected with an exhaust pipe, and a third valve is arranged on the first air outlet pipe, and a fourth valve is arranged on the second air outlet pipe.

Description

RCO heat accumulating type catalytic cracking device

Technical Field

The utility model relates to an organic waste gas treatment technical field specifically is a RCO heat accumulation formula catalytic cracking device.

Background

In industrial enterprises of chemical industry, metallurgy, machinery and the like, more organic waste gas is generated, generally containing organic compounds such as benzene and hydrocarbon, and the organic waste gas generally has the characteristics of flammability, explosiveness, toxicity, harmfulness, insolubility in water, solubility in organic solvent and great treatment difficulty.

The existing adopted common mode is a catalytic combustion method: heating the waste gas, and converting the waste gas into harmless and odorless carbon dioxide and water through catalytic combustion; the waste gas is generally doped with solid dust, and the dust is accumulated in the catalytic furnace, so that the catalytic cracking effect is seriously reduced, and the waste gas treatment efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses be exactly to the above-mentioned not enough that prior art exists, provide a RCO heat accumulation formula catalytic cracking device, set up the rose box before catalytic furnace, carry out the dust fall ash removal to waste gas, can prevent that the solid particle in the abandonment from getting into in the catalytic furnace with heat accumulation bed and catalyst cover to improved catalytic cracking furnace's catalytic cracking efficiency, guaranteed the exhaust-gas treatment effect, improved the life of catalyst in the catalytic furnace and heat accumulation bed moreover.

In order to achieve the above object, the utility model provides a following technical scheme:

an RCO heat accumulating type catalytic cracking device comprises a filter box and a catalytic furnace, wherein a dust absorption filter screen is obliquely arranged in the filter box and divides the space in the filter box into two parts, a first waste gas pipe and a second waste gas pipe are connected to the filter box, a gas outlet of the first waste gas pipe and a gas inlet of the second waste gas pipe are respectively arranged on two sides of the dust absorption filter screen, the catalytic furnace comprises a combustion chamber, a first heat accumulating chamber and a second heat accumulating chamber, the first heat accumulating chamber and the second heat accumulating chamber are communicated with the combustion chamber, a heat accumulating bed and a catalyst are respectively arranged in the first heat accumulating chamber and the second heat accumulating chamber, a burner is connected to the side wall of the combustion chamber, a first gas inlet pipe and a second gas inlet pipe are connected to the second waste gas pipe, the first gas inlet pipe is communicated with the first heat accumulating chamber, a first valve is arranged on the first gas inlet pipe, the second gas inlet pipe is communicated with the second heat accumulating chamber, and a, even there is first outlet duct on the first regenerator, even has the second outlet duct on the second regenerator, the blast pipe is all connected to first outlet duct and second outlet duct, is equipped with the third valve on the first outlet duct, is equipped with the fourth valve on the second outlet duct.

Preferably, the top of dust absorption filter screen is equipped with the shower of being connected with the rose box lateral wall, be equipped with the shower nozzle on the shower, the bottom of rose box is equipped with first motor, even have the stirring leaf of locating in the rose box in the pivot of first motor, the lower extreme of rose box is equipped with the drain pipe, be equipped with the water pump on the drain pipe.

Preferably, the outside of rose box is equipped with the reciprocating pivoted actuating mechanism of drive shower, actuating mechanism includes the second motor, the second motor is connected with the lateral wall of rose box, even there is the actuating lever on the output shaft of second motor, the one end of actuating lever articulates there is the connecting rod, the one end and the actuating lever of connecting rod are connected, and the other end of connecting rod articulates there is the swinging arms, the one end and the shower of swinging arms are connected.

Preferably, the connecting rod includes sleeve and screw rod, sleeve and screw rod screw-thread fit, the sleeve is kept away from the one end of screw rod and is equipped with first go-between ring, and the telescopic pot head of screw rod keeping away from has the solid fixed ring of rotation connection, gu fixed ring's one end even has the second go-between ring.

Preferably, the second connecting ring is provided with a fixing ring, and the fixing ring is rotatably connected with the screw rod.

Preferably, a fan is arranged on the second waste gas pipe.

Preferably, the side wall of the combustion chamber is connected with a pressure relief pipe, the pressure relief pipe is communicated with the exhaust pipe, and a pressure relief valve is arranged on the pressure relief pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses set up the rose box before the catalytic converter, carry out the dust fall ash removal to waste gas, can prevent that the solid particle in the abandonment from getting into in the catalytic converter with heat accumulation bed and catalyst cover to improved catalytic cracking efficiency of catalytic converter, guaranteed the exhaust-gas treatment effect, improved the life of catalyst in the catalytic converter and heat accumulation bed moreover.

2. The utility model discloses set up the shower in the rose box and can rinse the dust absorption filter screen, guarantee the adsorption efficiency and the permeability of dust absorption filter screen, improved abluent convenience.

3. The utility model discloses set up the pressure release pipe on the lateral wall at the combustion chamber, can be automatic in time the pressure release when the combustion chamber internal pressure is too big, guarantee safe in utilization.

4. The utility model discloses a length can be adjusted in the cooperation that the connecting rod passes through sleeve and screw rod to the realization is adjusted the dust absorption filter screen size according to the difference to shower swing angle's regulation, uses and has the commonality more.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a shower pipe;

FIG. 3 is a schematic diagram of a driving structure;

fig. 4 is a schematic structural view of the connecting rod.

In the figure: 1-a first exhaust gas pipe; 2-a filter box; 201-a spray pipe; 202-dust absorption filter screen; 203-stirring blade; 204-a first motor; 205-a water pump; 206-a drain pipe; 207-a spray head; 3-a second exhaust pipe; 301 — a first intake pipe; 302-a first valve; 303-a second inlet pipe; 304-a second valve; 4-a fan; 5-a catalytic furnace; 501-a combustion chamber; 502-a first regenerator; 503-a second regenerator; 504-a regenerative bed; 505-a catalyst; 6-a burner; 7-an exhaust pipe; 701-a pressure release valve; 702-a pressure relief pipe; 703-a second air outlet pipe; 704-a fourth valve; 705-a third valve; 706-a first outlet duct; 8-a second motor; 801-a drive rod; 802-linkage; 803-a sway bar; 804-a first connecting ring; 805-a sleeve; 806-screw; 807-a fixing ring; 808-second connecting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1, an RCO heat accumulating type catalytic cracking device comprises a filter box 2 and a catalytic furnace 5, a dust suction filter screen 202 is obliquely arranged in the filter box 2, the dust suction filter screen 202 is made of filter cloth, mesh cloth and the like, the dust suction filter screen 202 divides the space in the filter box 2 into two parts, a first exhaust gas pipe 1 and a second exhaust gas pipe 3 are connected to the filter box 2, the gas outlet of the first exhaust gas pipe 1 and the gas inlet of the second exhaust gas pipe 3 are respectively arranged at two sides of the dust suction filter screen 202, the catalytic furnace 5 comprises a combustion chamber 501, a first heat storage chamber 502 and a second heat storage chamber 503, the first heat storage chamber 502 and the second heat storage chamber 503 are both communicated with the combustion chamber 501, a heat storage bed 504 and a catalyst 505 are both arranged in the first heat storage chamber 502 and the second heat storage chamber 503, the catalyst 505 is made of spherical alumina carrier metal, a burner 6 is connected to the side wall of the combustion chamber 501, a first gas inlet pipe 301 and a second, first intake pipe 301 and first regenerator 502 intercommunication, be equipped with first valve 302 on first intake pipe 301, second intake pipe 303 and second regenerator 503 intercommunication, be equipped with second valve 304 on the second intake pipe 303, even have first outlet duct 706 on the first regenerator 502, even have second outlet duct 703 on the second regenerator 503, exhaust pipe 7 is all connected to first outlet duct 706 and second outlet duct 703, be equipped with third valve 705 on the first outlet duct 706, be equipped with fourth valve 704 on the second outlet duct 703.

In order to clean the dust collection filter screen 202 in time and ensure the dust collection capacity and permeability, a spray pipe 201 connected with the side wall of the filter box 2 is arranged above the dust collection filter screen 202, as shown in fig. 2, a spray head 207 is arranged on the spray pipe 201, a first motor 204 is arranged at the bottom of the filter box 2 in order to prevent dust from depositing at the bottom of the filter box 2, a stirring blade 203 arranged in the filter box 2 is connected to a rotating shaft of the first motor 204, a drain pipe 206 is arranged at the lower end of the filter box 2, and a water pump 205 is arranged on the drain pipe 206.

In order to ensure the thoroughness and comprehensiveness of cleaning, as shown in fig. 3, a driving mechanism for driving the shower pipe 201 to rotate in a reciprocating manner is arranged outside the filter box 2, the driving mechanism includes a second motor 8, the second motor 8 is connected with the side wall of the filter box 2, an output shaft of the second motor 8 is connected with a driving rod 801, one end of the driving rod 801 is hinged with a connecting rod 802, one end of the connecting rod 802 is connected with the driving rod 801, the other end of the connecting rod 802 is hinged with a swinging rod 803, and one end of the swinging rod 803 is connected with the shower pipe 201.

As shown in fig. 4, the connecting rod 802 includes a sleeve 805 and a screw 806, the sleeve 805 is in threaded engagement with the screw 806, a first connecting ring 804 is disposed at an end of the sleeve 805 away from the screw 806, and a second connecting ring 808 is connected to an end of the screw 806 away from the sleeve 805.

The second connection ring 808 is provided with a fixing ring 807, and the fixing ring 807 is rotatably connected with the screw 806.

In order to increase the exhaust gas conveying power, a fan 4 is arranged on the second exhaust gas pipe 3.

In order to further increase the use safety, a pressure relief pipe 702 is connected to the side wall of the combustion chamber 501, the pressure relief pipe 702 is communicated with the exhaust pipe 7, and a pressure relief valve 701 is arranged on the pressure relief pipe 702.

The specific treatment process comprises the following steps:

the exhaust gas enters the filter box 2 from the first exhaust gas pipe 1, the dust such as solid particles is adsorbed by the dust absorption filter screen 202, then enters the catalytic furnace 5 from the second exhaust gas pipe 3, firstly, the first valve 302 and the fourth valve 704 are opened, the exhaust gas enters the combustion chamber 501 from the first regenerative chamber 502, is combusted and heated in the combustion chamber 501 through the burner 6, then enters the second regenerative chamber 503 for catalysis and heat storage, and finally is discharged from the exhaust pipe 7, when the temperature of the regenerative bed 504 in the second regenerative chamber 503 is raised to a certain temperature, the first valve 302 and the fourth valve 704 are closed, the second valve 304 and the third valve 705 are opened, the exhaust gas firstly enters the second regenerative chamber 503, is heated by the regenerative bed 504, then enters the first regenerative chamber 502 for catalytic cracking, and finally is discharged from the exhaust pipe 7; after the operation for a period of time, because the dust absorption filter screen 202 is covered with more dust, the spraying pipe 201 is used for spraying and washing at the moment, the first motor 204 drives the spraying pipe 201 to swing for overall cleaning, and then the water is discharged from the water discharge pipe 206.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An RCO heat accumulating type catalytic cracking device is characterized in that: including rose box and catalytic furnace, the slope is equipped with the dust absorption filter screen in the rose box, and the dust absorption filter screen divides the rose box inner space into two parts, even has first exhaust pipe and second exhaust pipe on the rose box, the both sides of dust absorption filter screen are located respectively to the gas outlet of first exhaust pipe and the air inlet of second exhaust pipe, the catalytic furnace includes combustion chamber, first regenerator and second regenerator, and first regenerator, second regenerator all communicate with the combustion chamber, all are equipped with regenerator bed and catalyst in the first regenerator second regenerator, even have the combustor on the lateral wall of combustion chamber, even have first intake pipe and second intake pipe on the second exhaust pipe, first intake pipe and first regenerator intercommunication, are equipped with first valve in the first intake pipe, and second intake pipe and second regenerator intercommunication are equipped with the second valve in the second intake pipe, even have first outlet duct on the first regenerator, even there is the second outlet duct on the second regenerator, the blast pipe is all connected to first outlet duct and second outlet duct, is equipped with the third valve on the first outlet duct, is equipped with the fourth valve on the second outlet duct.

2. The RCO regenerative catalytic cracking apparatus of claim 1, wherein: the top of dust absorption filter screen is equipped with the shower of being connected with the rose box lateral wall, be equipped with the shower nozzle on the shower, the bottom of rose box is equipped with first motor, even have the stirring leaf of locating in the rose box in the pivot of first motor, the lower extreme of rose box is equipped with the drain pipe, be equipped with the water pump on the drain pipe.

3. A RCO regenerative catalytic cracking unit according to claim 2, wherein: the outside of rose box is equipped with the reciprocating pivoted actuating mechanism of drive shower, actuating mechanism includes the second motor, the second motor is connected with the lateral wall of rose box, even there is the actuating lever on the output shaft of second motor, the one end of actuating lever articulates there is the connecting rod, the one end and the actuating lever of connecting rod are connected, and the other end of connecting rod articulates there is the swinging arms, the one end and the shower of swinging arms are connected.

4. A RCO regenerative catalytic cracking unit according to claim 3, wherein: the connecting rod comprises a sleeve and a screw rod, the sleeve is in threaded fit with the screw rod, a first connecting ring is arranged at one end, away from the screw rod, of the sleeve, and a second connecting ring is connected at one end, away from the sleeve, of the screw rod.

5. The RCO regenerative catalytic cracking apparatus of claim 4, wherein: and the second connecting ring is provided with a fixing ring, and the fixing ring is rotationally connected with the screw rod.

6. The RCO regenerative catalytic cracking apparatus of claim 1, wherein: and a fan is arranged on the second waste gas pipe.

7. The RCO regenerative catalytic cracking apparatus of claim 1, wherein: the side wall of the combustion chamber is connected with a pressure relief pipe, the pressure relief pipe is communicated with the exhaust pipe, and a pressure relief valve is arranged on the pressure relief pipe.