CN214635100U - Water curtain type dust removal condensing equipment - Google Patents
Water curtain type dust removal condensing equipment Download PDFInfo
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- CN214635100U CN214635100U CN202120600303.2U CN202120600303U CN214635100U CN 214635100 U CN214635100 U CN 214635100U CN 202120600303 U CN202120600303 U CN 202120600303U CN 214635100 U CN214635100 U CN 214635100U
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Abstract
The utility model provides a water curtain type dust removal and condensation device, which comprises a shell, wherein the shell is provided with an inner cavity, and the inner cavity is sequentially provided with an impulse type dust removal unit, a spraying type dust removal unit and a demisting unit from bottom to top; the shell is provided with an air inlet which is communicated with the impulse type dust removal unit, the top end of the shell is provided with an air outlet which is communicated with the demisting unit. The utility model provides a pair of water curtain formula dust removal condensing equipment, fundamentally solve conventional dust remover to fine particle dust removal effect poor and remove the dust jam, guarantee product quality and production safety at little negative pressure, high temperature, oily sludge pyrolysis treatment technology under the oxygen condition.
Description
Technical Field
The utility model relates to a sump oil mud pyrolytic treatment technical field particularly, especially relates to a water curtain formula dust removal condensing equipment.
Background
The oil-containing sludge such as tank bottom sludge, scum, waste clay and ground crude oil generated in the oil field production, refining, gathering and transportation treatment process has high petroleum substance content (the crude oil content is generally more than 10 percent, and the majority can reach 20 to 30 percent), and has very important recycling value. Wherein, the pyrolysis technology is the main technology for resource utilization of the oily sludge.
The pyrolysis technology is based on the thermal instability of organic matters in the oily sludge, heavy components in crude oil are converted into light components by thermal decomposition through heat energy under the condition of negative pressure oxygen isolation, and then the light components are evaporated from the oily sludge in a gaseous form, so that the separation of the crude oil and the silt is realized. The pyrolysis gas generated in the process is condensed to form three phase substances: the gas phase is mainly methane and carbon dioxide; the liquid phase mainly comprises normal-temperature fuel oil and water; the solid phase is inorganic mineral and carbon residue. The methane generated by the pyrolysis gas is noncondensable hydrocarbon gas, the methane is purified and then injected back into a gas system for co-combustion for energy recycling, the pyrolysis oil can be used as fuel oil or commodity oil after dehydration, the carbon content of inorganic minerals and residual carbon in the pyrolysis residue is high, and the inorganic minerals and the residual carbon have better burning decarbonization and energy recovery value after drying.
The temperature of pyrolysis gas generated by the pyrolysis of the dirty oil sludge is higher and reaches about 450-550 ℃, the components of the pyrolysis gas are different according to different raw material compositions, and the pyrolysis gas mainly comprises water vapor, hydrocarbon components and dust, wherein the dust content is generally 15000-100000 mg/m3。
Pyrolysis gas generated by the dirty oil sludge pyrolysis process is usually dedusted by a cyclone deduster, the dedusting efficiency is 40% -60% in practical application, and residual fine particles enter a condenser along with the pyrolysis gas to cause frequent blockage of condensation. If a bag-type dust collector is adopted, the material of the bag can only resist the temperature of 280-320 ℃ at most, and the bag is easy to block and is extremely unsafe.
At present, an impulse type dust remover is generally adopted for dust removal in the working environment with high temperature and high humidity of industrial and mining enterprises, and the method has a good purification effect, but still has the following problems: due to the effect of the internal pressure of the dust-containing air mass, part of dust in the dust-containing air mass directly escapes without contacting with water, the conventional dust remover has poor dust removal effect on fine particle dust and is easy to block the dust, and high-density slurry is formed due to high concentration of water-sealed liquid dust to block a sewage discharge port, so that the vacuum degree of equipment is reduced, and the shutdown and production are stopped. Under the condition of higher and higher requirements of current environmental protection indexes, the purification indexes of the conventional dust remover can not meet the requirements of purifying pyrolysis gas, and the improvement is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome prior art's not enough, compare with conventional dust remover, the utility model aims at providing a purification degree is high, effectual, has the water bath of condensation, the dust removal condenser device that water curtain and defogging combined together, fundamentally solves conventional dust remover to fine particle dust removal effect poor and remove the dust jam, guarantees product quality and the production safety of oily sludge pyrolysis treatment process under little negative pressure, high temperature, the oxygen condition of separating. In particular to a water curtain type dust removal condensing device which can solve at least one of the technical problems. Specifically, the technical scheme is as follows:
a water curtain type dust removal condensing device comprises a shell, wherein the shell is provided with an inner cavity, and an impulse type dust removal unit, a spraying type dust removal unit and a demisting unit are sequentially arranged in the inner cavity from bottom to top;
the shell is provided with an air inlet which is communicated with the impulse type dust removal unit, the top end of the shell is provided with an air outlet which is communicated with the demisting unit.
In a specific embodiment, the impact type water bath dust collector comprises an impact type water bath dust collector and dust collection liquid, the impact type water bath dust collector comprises an air inlet pipe and a diffuser, the air inlet pipe is connected with the diffuser, the air inlet pipe is communicated with the air inlet, and an outer expansion opening of the diffuser is located below the liquid level of the dust collection liquid.
In a specific embodiment, the diffuser is internally provided with an S-shaped channel, and the S-shaped channel is connected with the air inlet pipe.
In a particular embodiment, the outer flared edge is located 20mm to 30mm below the level of the dedusting liquid.
In a particular embodiment, the spray dedusting unit includes at least one more sprayer disposed within the internal cavity, the sprayer communicating with a spray header external to the housing.
In a specific embodiment, the sprinkler is a rotary sprinkler, the rotary sprinkler comprises a branch pipe, a spiral nozzle seat and a spiral nozzle, the branch pipe is connected with the spray header, the spiral nozzle seat is arranged on the branch pipe, and the spiral nozzle is connected with the spiral nozzle seat.
In a specific embodiment, the branch pipe is a cross branch pipe, and each end of the cross branch pipe is provided with the spiral nozzle seat and the spiral nozzle.
In a specific embodiment, the blockage removing and sewage discharging device further comprises a blockage removing and sewage discharging unit, wherein the blockage removing and sewage discharging unit comprises a blockage removing and sewage discharging pipe, and the blockage removing and sewage discharging pipe is arranged at the bottom end of the shell.
In a specific embodiment, a liquid level control valve is arranged at the bottom of the shell and comprises a control valve body with an inner cavity with two open ends, a liquid level control valve core with a hollow structure and a valve core position adjusting mechanism for adjusting the upper position and the lower position of the liquid level control valve core;
the liquid level control valve core is arranged in the inner cavity of the control valve body and extends to the outside of the control valve body from the top, the upper end of the liquid level control valve core penetrates into the shell and is communicated with the dust removal liquid, the valve core position adjusting mechanism is connected with the lower end of the liquid level control valve core, the control valve body is provided with a valve body water outlet, and the valve body water outlet is configured to be communicated with the hollow structure of the liquid level control valve core.
In a specific embodiment, the valve core position adjusting mechanism comprises a liquid level adjusting screw and an adjusting hand wheel, and the adjusting hand wheel drives the liquid level control valve core to screw in or screw out through the liquid level adjusting screw so as to adjust the liquid level height of the dedusting liquid.
The utility model discloses following beneficial effect has at least:
the utility model discloses a water curtain formula dust removal condensing equipment provides one kind and purifies degree height, effectual, has the dust removal condenser device that water bath, water curtain and the defogging of condensation combined together, and fundamentally solves conventional dust remover to fine particle dust removal effect poor and remove the dust jam, guarantees product quality and the production safety of oily sludge pyrolysis treatment process under little negative pressure, high temperature, oxygen separation condition.
Furthermore, through three-stage dust removal, the dust removal rate is higher, and the first-stage impulse type water bath purification is formed when the dust-containing pyrolysis gas passes through the diffuser and the cone at the top of the liquid level control valve to form a micro channel; and then the fine dust particles are contacted with a water curtain formed by rotary spraying in two stages, so that the fine dust particles are absorbed for three times, and the dust removal rate can reach 99.99 percent.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of a water curtain type dust-removing condensing device in example 1;
FIG. 2 is a schematic view of a rotary sprayer of the water curtain type dust-removing condensing apparatus in example 1;
FIG. 3 is a schematic view of a cross branch pipe in the rotary spraying device of the water curtain type dust-removing condensing apparatus in example 1;
FIG. 4 is a diagram of a liquid level control valve of the water curtain type dust-removing condensing device in the embodiment 1.
Description of the main element symbols:
1-a purified gas outlet flange; 2-a shell; 3-a demister; 4-a rotary sprayer; 5-impact type water bath dust remover; 6-unblocking the sewage discharge pipe; 7-a level control valve; 8-manhole; 9-support ear; 10-a connecting flange; 11-branch pipe; 12-a spiral spray head seat; 13-a spiral spray head; 14-plug; 15-liquid level control valve cover; 16-liquid level control valve core; 17-device lower end flange; 18-connecting bolts; 19-a three-way flange; 20-a gland flange; 21-a liquid level adjusting screw; 22-adjusting handwheel.
Detailed Description
Example 1
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, fig. 1 is a schematic view of a water curtain type dust removal and condensation device, wherein a is an air inlet, B is an air outlet, C, D is a spray water inlet, E is a dirty liquid outlet, and F is a blockage removal sewage outlet. The utility model provides a water curtain formula dust removal condensing equipment, including casing 2, casing 2 has the inner chamber, and the inner chamber is by supreme impulse type dust removal unit, the spray type dust removal unit and the defogging unit of setting gradually down, and in addition, the inner chamber still is provided with unblock blowdown unit and liquid level control valve 7.
The shell 2 is provided with an air inlet which is communicated with the impulse type dust removal unit, the top end of the shell 2 is provided with an air outlet which is communicated with the demisting unit. Casing 2 is provided with the air inlet, the gas outlet, treats that the dust removal gas gets into the inner chamber through the air inlet, treat that the dust removal gas is discharged through the gas outlet after swashing formula dust removal unit in proper order, spraying formula dust removal unit and defogging unit the utility model discloses well gas outlet is provided with purification gas outlet flange 1, and purification gas outlet flange 1 is convenient to be connected with other parts, and 2 outsides of casing still are provided with manhole 8 and journal stirrup 9, and manhole 8 intercommunication inner chambers, manhole 8 are used for personnel business turn over equipment so that the installation, the trompil structure of maintenance and safety inspection, and journal stirrup 9 is the structure that sets up for the convenience of transport.
The utility model discloses a water curtain formula dust removal condensing equipment provides one kind and purifies degree height, effectual, has the dust removal condenser device that water bath, water curtain and the defogging of condensation combined together, and fundamentally solves conventional dust remover to fine particle dust removal effect poor and remove the dust jam, guarantees product quality and the production safety of oily sludge pyrolysis treatment process under little negative pressure, high temperature, oxygen separation condition.
The utility model discloses a water curtain formula dust removal condensing equipment of fatlute pyrolysis treatment, negative pressure pyrolysis gas forms the air inlet through the suction of gas outlet department vacuum pump suction, passes through swashing formula dust removal unit, sprays formula dust removal unit, defogging unit and discharges from the gas outlet; and the condensed water is introduced to carry out dust removal purification and heat exchange condensation on the pyrolysis gas, and the condensed liquid is discharged from a waste liquid discharge port.
The lower end of the device is provided with a blockage removal sewage draining outlet, and sewage can be drained periodically; if the blockage occurs, steam can be introduced to flush the blockage to remove the blockage. Preferably, the pyrolysis gas is generated when the sludge is treated by the sludge pyrolysis machine, the cooling water used by the impact type water curtain dust remover is provided by the sludge treatment system cooling equipment, and in order to better purify sulfides in the pyrolysis gas, a corresponding agent can be added into the condensed water to play a role in neutralizing the sulfides.
In this embodiment, the impact type dust removing unit comprises an impact type water bath dust remover 5 and a dust removing liquid, wherein the liquid level of the dust removing liquid is controlled by a liquid level control valve 7. Impact water-bath dust remover 5 includes intake pipe and diffuser, intake-tube connection diffuser, intake pipe and air inlet intercommunication, intake pipe and 2 welded connection of casing, diffuser down, the outer flaring of diffuser is located the liquid level below of dust removal liquid, and is preferred, and the diffuser is the horn mouth, and is preferred, and the outer flaring of diffuser is deepened 20mm ~ 30mm below the liquid level of dust removal liquid.
Specifically, an S-shaped channel is arranged in the diffuser and connected with the air inlet pipe, and the dust removing principle of the impulse type water bath dust remover is that the functions of wetting, coagulation and sedimentation of dust under the washing action are enhanced by utilizing the impulse force of the high-speed air flow moving in an S-shaped track in the narrow channel. The gas to be dedusted enters the deduster from the gas inlet, the gas flow is bent to impact the water surface, and part of larger dust particles fall into the water. When the dust-containing gas passes through the S-shaped channel in the diffuser at the speed of 18-35 m/S, a large amount of water splash is excited, so that the water and the gas are fully contacted, most of fine dust particles are mixed into the water, and the dust-containing gas is fully purified. The dust-containing pyrolysis gas forms a first-stage impulse type water bath purification when passing through a diffuser and a cone at the top of a liquid level control valve 7 to form a micro channel; then the fine dust particles are contacted with a water curtain formed by two stages of spraying type dust removal units, so that the fine dust particles are absorbed for three times, and the dust removal rate can reach 99.99 percent; then is discharged from a purified gas outlet after being demisted by a demisting unit.
The impact type water bath dust collector has wide application range, can be used for purifying non-fibrous materials, and is mainly suitable for purifying non-fibrous non-corrosive dusty gas with the temperature not higher than 300 ℃. The method is suitable for enterprises of metallurgy, nonferrous metals, coal, chemical industry, casting, power generation, building materials, refractory materials and the like. The dust removal effect in the quicklime transportation system with viscosity can be good.
As shown in fig. 2, fig. 2 is a schematic view of a rotary sprayer 4 of the water curtain type dust removal condensing device, the spraying type dust removal unit comprises at least more than one sprayer, in this embodiment, two sprayers are arranged, the sprayers are arranged in the inner cavity, the two sprayers are respectively welded with the shell 2 in an insertion mode, and the sprayers are communicated with a spray header outside the shell 2. The spray water introduced into the device is treated cooling water, and the pyrolysis gas is subjected to three-stage dust removal and is subjected to heat exchange with the cooling water, so that water vapor and pyrolysis oil gas in the pyrolysis gas are condensed and liquefied, and the dual functions of dust removal and condensation of the pyrolysis gas are realized. Through three-stage dust removal, the dust removal rate is higher.
Specifically, the sprinkler is rotatory sprinkler 4, rotatory sprinkler 4 includes branch pipe 11, spiral nozzle seat 12 and spiral nozzle 13, branch pipe 11 connects the shower pipe, spiral nozzle seat 12 sets up on branch pipe 11, spiral nozzle 13 connects spiral nozzle seat 12, in this embodiment, rotatory sprinkler 4 is located the intake pipe top, rotatory sprinkler 4 includes flange 10, branch pipe 11, spiral nozzle seat 12, spiral nozzle 13 and end cap 14, flange 10 connects the shower pipe, flange 10 is connected to the one end of branch pipe 11, end cap 14 is connected to the other end of branch pipe 11, spiral nozzle seat 12 sets up on branch pipe 11, spiral nozzle seat 12 is connected to spiral nozzle 13.
As shown in FIG. 3, FIG. 3 is a schematic view of a cross branch pipe in the rotary spraying device 4 of the water curtain type dust-removing condensing device. Preferably, the branch pipe 11 is a cross branch pipe, each end of the cross branch pipe is provided with a spiral nozzle base and the spiral nozzles, a plurality of spiral nozzles 13 can be arranged according to actual conditions, the spiral nozzles 13 can be selected according to actual process parameters, the spiral nozzles 13 form umbrella-shaped water curtains under the pumping pressure of an external cooling water pump, and the umbrella-shaped water curtains form full coverage of the diameter range of the device, so that the dust removal efficiency is ensured.
Preferably, the demister unit comprises a demister 3, the demister 3 being selectable according to specific process parameters, the demister 3 comprising plates and a support device, the plates being arranged in the support device, the support device being connected to the housing 2.
Preferably, the blockage removing and sewage discharging unit comprises a blockage removing and sewage discharging pipe 6, the blockage removing and sewage discharging pipe 6 is positioned at the bottom end of the shell 2, and specifically, the blockage removing and sewage discharging pipe 6 is positioned below the air inlet pipe. The bottom end of the shell 2 is provided with a blockage removing and discharging pipe 6 which can periodically discharge sewage according to the requirements of technological parameters; if the blockage occurs, steam can be introduced from the device for flushing and discharged through the blockage removal sewage discharge port to remove the blockage.
As shown in fig. 3, fig. 3 is a schematic view of a liquid level control valve 7 of the water curtain type dust removal condensing device, the liquid level control valve 7 is arranged at the bottom of the housing, and the liquid level control valve 7 comprises a control valve body with an inner cavity with openings at two ends, a liquid level control valve core 16 with a hollow structure, and a valve core position adjusting mechanism for adjusting the up-down position of the liquid level control valve core.
The liquid level control valve core 16 is arranged in the inner cavity of the control valve body and extends to the outside of the control valve body from the top, the upper end of the liquid level control valve core penetrates into the shell and is communicated with the dust removal liquid, the valve core position adjusting mechanism is connected with the lower end of the liquid level control valve core, the control valve body is provided with a valve body water outlet, and the valve body water outlet is configured to be communicated with the hollow structure of the liquid level control valve core. The water outlet of the valve body is a dirty liquid outlet, and the liquid entering the liquid level control valve core 16 from the control valve body is discharged through the dirty liquid outlet.
Preferably, the valve core position adjusting mechanism comprises a liquid level adjusting screw 21 and an adjusting hand wheel 22, and the adjusting hand wheel 22 drives the liquid level control valve core 16 to screw in or screw out through the liquid level adjusting screw 21 for adjusting the liquid level height of the dedusting liquid.
In this embodiment, the liquid level control valve 7 includes a liquid level control valve cover 15, a liquid level control valve core 16, a device lower end flange 17, a three-way flange 19, a connecting member, a gland flange 20, a liquid level adjusting screw 21 and an adjusting hand wheel 22, the device lower end flange 17 and the three-way flange 19 are sleeved outside the liquid level control valve core 16, the gland flange 20 is sleeved outside the liquid level adjusting screw 21, the gland flange 20 and the three-way flange 19 are connected through the connecting member, and the device lower end flange 17 and the three-way flange 19 are connected through the connecting member. The connection member includes a connection bolt 18. The adjusting hand wheel 22 is rotated to drive the liquid level adjusting screw rod 21 to rotate, so that the liquid level control valve core 16 moves up and down along the axial direction, the requirement of the outward flaring sinking degree of the diffuser is met, and the dust removal efficiency is improved.
Preferably, the three-way flange 19 is provided with a dirty liquid discharge port, the control valve body is a liquid level control valve cover 15, the adjusting hand wheel 22 is connected with a liquid level adjusting screw 21, the liquid level adjusting screw 21 is connected with a liquid level control valve core 16, the liquid level control valve core 16 is arranged in the liquid level control valve cover 15, the liquid level control valve cover is provided with a valve cover water inlet, when liquid level adjustment is needed, the liquid level control valve core 16 is screwed out, water enters the liquid level control valve 7 through the valve cover water inlet and is discharged out of the shell through the hollow structure and the dirty liquid discharge port, and when the liquid level adjustment is not needed, the liquid level control valve core 16 is abutted to the liquid level control valve cover 15.
Those skilled in the art will appreciate that the drawings are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the drawings are not necessarily required to practice the present invention.
The sequence numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the implementation scenario.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (10)
1. A water curtain type dust removal condensing device is characterized by comprising a shell, wherein the shell is provided with an inner cavity, and an impulse type dust removal unit, a spraying type dust removal unit and a demisting unit are sequentially arranged in the inner cavity from bottom to top;
the shell is provided with an air inlet which is communicated with the impulse type dust removal unit, the top end of the shell is provided with an air outlet which is communicated with the demisting unit.
2. The water curtain type dedusting condensing device as claimed in claim 1, wherein the impact type dedusting unit comprises an impact type water bath deduster and dedusting liquid, the impact type water bath deduster comprises an air inlet pipe and a diffuser, the air inlet pipe is connected with the diffuser, the air inlet pipe is communicated with the air inlet, and an outer expansion opening of the diffuser is positioned below the liquid level of the dedusting liquid.
3. The water curtain type dust removing and condensing device as claimed in claim 2, wherein an S-shaped channel is provided inside the diffuser, and the S-shaped channel is connected with the air inlet pipe.
4. The water curtain type dust removing and condensing device as claimed in claim 2, wherein the outer flared edge is 20mm to 30mm below the liquid level of the dust removing liquid.
5. The water curtain dust-removing condensing device of claim 1, wherein said spray dust-removing unit comprises at least one sprayer, said sprayer is disposed in said inner cavity, said sprayer is communicated with a spray water pipe outside said housing.
6. The water curtain type dedusting condensing device as claimed in claim 5, wherein the sprinkler is a rotary sprinkler, the rotary sprinkler comprises a branch pipe, a spiral nozzle seat and a spiral nozzle, the branch pipe is connected with the spray header, the spiral nozzle seat is arranged on the branch pipe, and the spiral nozzle is connected with the spiral nozzle seat.
7. The water curtain type dust removing and condensing device as claimed in claim 6, wherein the branch pipe is a cross branch pipe, and each end of the cross branch pipe is provided with the spiral nozzle seat and the spiral nozzle.
8. The water curtain type dust removal condensing device of claim 1, further comprising a blockage removing and discharging unit, wherein the blockage removing and discharging unit comprises a blockage removing and discharging pipe, and the blockage removing and discharging pipe is arranged at the bottom end of the shell.
9. The water curtain type dust removal and condensation device as claimed in claim 2, wherein a liquid level control valve is arranged at the bottom of the housing, and the liquid level control valve comprises a control valve body with an inner cavity with openings at two ends, a liquid level control valve core with a hollow structure, and a valve core position adjusting mechanism for adjusting the upper and lower positions of the liquid level control valve core;
the liquid level control valve core is arranged in the inner cavity of the control valve body and extends to the outside of the control valve body from the top, the upper end of the liquid level control valve core penetrates into the shell and is communicated with the dust removal liquid, the valve core position adjusting mechanism is connected with the lower end of the liquid level control valve core, the control valve body is provided with a valve body water outlet, and the valve body water outlet is configured to be communicated with the hollow structure of the liquid level control valve core.
10. The water curtain type dust removal condensing device of claim 9, wherein the valve core position adjusting mechanism comprises a liquid level adjusting screw and an adjusting hand wheel, the adjusting hand wheel drives the liquid level control valve core to screw in or screw out through the liquid level adjusting screw, and the adjusting hand wheel is used for adjusting the liquid level height of the dust removal liquid.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120600303.2U CN214635100U (en) | 2021-03-24 | 2021-03-24 | Water curtain type dust removal condensing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120600303.2U CN214635100U (en) | 2021-03-24 | 2021-03-24 | Water curtain type dust removal condensing equipment |
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| CN214635100U true CN214635100U (en) | 2021-11-09 |
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| CN202120600303.2U Active CN214635100U (en) | 2021-03-24 | 2021-03-24 | Water curtain type dust removal condensing equipment |
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- 2021-03-24 CN CN202120600303.2U patent/CN214635100U/en active Active
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