CN115178037B - Preparation method of jet type waste gas treatment device - Google Patents
Preparation method of jet type waste gas treatment device Download PDFInfo
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- CN115178037B CN115178037B CN202210633452.8A CN202210633452A CN115178037B CN 115178037 B CN115178037 B CN 115178037B CN 202210633452 A CN202210633452 A CN 202210633452A CN 115178037 B CN115178037 B CN 115178037B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Gas Separation By Absorption (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a preparation method of a jet type waste gas treatment device, and aims to solve the defect that a certain potential safety hazard exists when an induced draft fan impeller rotates in waste gas with static electricity, inflammability, explosiveness and dust during waste gas treatment. The jet flow pipe comprises a jet flow pipe, wherein one end of the jet flow pipe is provided with a liquid inlet, an air inlet pipe is arranged on the side wall of the jet flow pipe, the air inlet pipe is obliquely arranged from top to bottom in the direction close to the jet flow pipe, a jet flow plate is arranged at the position of the liquid inlet of the jet flow pipe, a plurality of jet holes are uniformly distributed on the jet flow plate, the axial extension lines of all the jet holes are focused to a point to form a focusing point, the focusing point is arranged on the axial line of the jet flow pipe, the height position of the focusing point is lower than the connection position of the air inlet pipe and the jet flow pipe, and the position of the jet flow plate is higher than the connection position of the air inlet pipe and the jet flow pipe. The jet flow type waste gas treatment device adopts the principle that jet flow generates vacuum negative pressure, achieves the effect of air draft, simultaneously can prevent static electricity and remove dust, fully contacts and mixes gas phase and liquid phase, and achieves the purpose of waste gas treatment.
Description
Technical Field
The invention relates to an exhaust gas treatment technology, in particular to a preparation method of a jet type exhaust gas treatment device.
Background
The waste gas treatment equipment in the current market adopts corresponding treatment modes according to different processes, but some special process requirements, such as inflammable and explosive waste gas with low boiling point, condensation property and dust, can not convey the waste gas by using a centrifugal fan, and an absorption device with exhaust air and waste gas treatment efficiency is required to be used.
Conventional exhaust treatment devices require various combinations to achieve the result of use. In order to achieve the effect of exhaust gas draft, a draught fan is required to be independently arranged. The induced draft fan impeller has certain potential safety hazards when being used in the waste gas with static electricity, inflammability, explosiveness and dust, and a large amount of electric power is consumed, so that energy waste is caused.
Disclosure of Invention
In order to overcome the defects, the invention provides a preparation method of a jet type waste gas treatment device, which adopts the principle that jet flow generates vacuum negative pressure to achieve the effect of air draft, and simultaneously can prevent static electricity and remove dust, and fully contact and mix gas and liquid phases to achieve the purpose of waste gas treatment.
In order to solve the technical problems, the invention adopts the following technical scheme: the jet type waste gas treatment device comprises a jet pipe, wherein one end of the jet pipe is provided with a liquid inlet, an air inlet pipe is arranged on the side wall of the jet pipe, the air inlet pipe is obliquely arranged from top to bottom towards the direction close to the jet pipe, a jet plate is arranged at the position of the liquid inlet of the jet pipe, a plurality of jet holes are uniformly distributed on the jet plate, the axial extension lines of all the jet holes are focused to a point to form a focusing point, the focusing point is arranged on the axis of the jet pipe, the height position of the focusing point is lower than the connection position of the air inlet pipe and the jet pipe, and the position of the jet plate is higher than the connection position of the air inlet pipe and the jet pipe.
When the jet pipe is in operation, liquid is conveyed to the upper end of the jet pipe from the liquid inlet and is sprayed into the jet pipe through the jet hole, the distribution area of the liquid is rapidly expanded after being sprayed from the jet hole under the condition of high-speed jet flow, the volume mutation is generated, and the part of space losing gas is supplemented by waste gas in the air inlet pipe, so that the air suction effect is generated. Jet liquid ejected from the jet holes is gathered at a focusing point and then dispersed towards the inner wall of the jet pipe, the jet pipe is fully distributed, and at the moment, negative pressure is generated at a position close to the upper part of the focusing point, so that exhaust gas is pumped. The exhaust gas pumped from the air inlet pipe is fully mixed with the liquid in the jet pipe to generate physical or chemical action, thereby achieving the purpose of absorbing and treating the exhaust gas. The jet flow type waste gas treatment device adopts the principle that jet flow generates vacuum negative pressure, achieves the effect of air draft, and simultaneously can prevent static electricity and remove dust, and fully contacts and mixes gas phase and liquid phase, thereby achieving the purpose of waste gas treatment.
Preferably, the upper end of the jet pipe is connected with the end cover, the end cover is arched upwards, a pressure storage cavity is formed between the end cover and the jet plate, the end cover is provided with a connector extending upwards, the liquid inlet is arranged on the connector, and the edge of the end cover is provided with a connecting flange.
The connecting flange facilitates the connection of the end cover and the jet pipe. The end cover is arched upwards and forms a pressure storage cavity with the jet plate, liquid is required in the pressure storage cavity, and stability of jet hole jet pressure is guaranteed.
Preferably, the liquid inlet is communicated with a liquid inlet pipe, the lower end of the jet pipe is connected with a treatment tank, and a liquid feeding pump is arranged between the treatment tank and the liquid inlet pipe. The liquid in the treatment tank is conveyed to the jet pipe by the liquid conveying pump, and the mixed liquid after the jet pipe and the waste gas are mixed flows into the treatment tank for treatment, so that circulation is formed.
Preferably, the number of jet holes a is determined in such a way that: a=s Total (S) /S Hole(s) ；S Total (S) ＝Q Liquid and its preparation method /Vs；In the formula, ψ is the speed coefficient of 0.93-0.87, g is the gravity acceleration, and ΔPs is the pressure difference (mH) between the front and back of the liquid 2 O), vs is the liquid flow rate, Q Liquid and its preparation method Is the flow rate of the liquid, S Total (S) For spraying the total area S Hole(s) The calculated number of orifices a is rounded to an integer for a single orifice cross-sectional area.
After the flow rate of the liquid conveyed to the jet pipe and the sectional area of the jet holes are determined, the required number of the jet holes can be calculated. The size of the jet hole cross section area needs to be comprehensively considered, the aperture is smaller and more dispersed in theory, the efficiency is higher, and the pressure loss and the blockage also need to be considered.
Preferably, the up-down position of the focusing point is adjusted by adjusting the inclination angle of the jet hole.
The larger the inclination angle of the jet hole is, the higher the position of the focusing point is, and the smaller the air pumping quantity is; the smaller the inclination angle of the jet hole is, the lower the position of the focusing point is, the larger the air draft amount is, and the upper and lower positions of the focusing point are flexibly adjusted according to the use requirement, so that the waste gas can be optimally absorbed and mixed.
Preferably, a fixed plate is arranged above the jet plate, a plurality of through holes are uniformly distributed on the fixed plate in the circumferential direction, a plurality of jet holes with different inclination angles are correspondingly arranged on the jet plate and each through hole, the jet plate is rotationally arranged, the jet holes with different inclination angles are correspondingly communicated with the through holes by the rotation of the jet plate, and then the upper position and the lower position of the focusing point are adjusted.
And the jet plate is rotated, so that jet holes with different inclination angles are correspondingly communicated with the through holes, and the upper and lower positions of the focusing point are adjusted to meet different use requirements. The inclination angle of the jet hole is convenient to adjust.
Preferably, the jet flow plate is arranged between the upper end of the jet flow pipe and the fixed plate, an avoidance gap is arranged between the fixed plate and the jet flow pipe, the edge of the jet flow plate is connected with the poking rod, and the poking rod outwards penetrates out of the avoidance gap.
The jet flow plate is rotated through the poking rod, and the adjustment and the operation are convenient.
In another scheme, a plurality of mounting holes are uniformly distributed on the jet plate in the circumferential direction, jet pipes which are rotatably arranged are arranged in the mounting holes, and channels in the jet pipes form jet holes; install the regulating plate that rotates the setting between jet plate and the jet pipe upper end, on the regulating plate with jet pipe one-to-one be equipped with a plurality of adjustment tanks, the adjustment tank is the arc structure, the adjustment tank outwards deviates from the regulating plate center setting from one end to the other end, jet pipe and the movable cartridge of adjustment tank are connected, thereby the inclination of adjusting the jet hole is rotated through the promotion jet pipe of adjustment tank to the regulating plate rotation.
And the adjusting plate is rotated, so that the adjusting groove on the adjusting plate pushes the jet pipe to rotate, the inclination angle of the jet hole is adjusted, and the upper position and the lower position of the focusing point are adjusted. The inclination angle of the jet hole is convenient to adjust, stepless adjustment of the inclination angle of the jet hole can be realized in the range of the adjusting groove, that is, the upper position and the lower position of the focusing point can be at any position in a certain height range, the adjustment is more flexible, and various use scenes are met.
As the preference, the injection pipe upper end is equipped with universal bulb, and the mounting hole includes the through-flow section, the linkage segment, dodges the section, universal bulb and linkage segment adaptation, and universal bulb rotates and installs at the linkage segment, dodges the section from last outside expansion down, dodges the section and be equipped with two relative location lateral walls that set up, is equipped with curved constant head tank on the location lateral wall, is equipped with the locating pin with the corresponding adaptation of constant head tank on the injection pipe, locating pin tip slidable mounting in the constant head tank, and the axis of injection pipe is along the radial direction removal of jet plate all the time in the injection pipe rotation adjustment process.
When the jet pipe rotates, the universal ball head rotates in the connecting section, the sealing performance is good, and in addition, a locating pin on the jet pipe slides in a locating groove on the locating side wall in the rotating process, so that the axis of the jet pipe always moves along the radial direction of the jet plate, and the axis extension lines of all the jet pipes are ensured to be focused on the axis of the jet pipe to form a focusing point.
Preferably, an anti-blocking buffer sleeve is sleeved on the outer wall of the injection pipe at the position corresponding to the adjusting groove. The anti-blocking buffer sleeve prevents the clamping stagnation phenomenon of the adjusting groove and the injection pipe.
Compared with the prior art, the invention has the beneficial effects that: (1) The jet flow type waste gas treatment device adopts the principle that jet flow generates vacuum negative pressure, achieves the effect of air draft, and simultaneously can prevent static electricity and remove dust, and the gas phase and the liquid phase are fully contacted and mixed, so as to achieve the purpose of waste gas treatment; (2) The inclination angle of the jet hole can be adjusted, so that various different use requirements are met.
Drawings
FIG. 1 is a schematic view of a construction of the present invention;
FIG. 2 is a schematic view showing the connection structure of a jet pipe according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of a fluidic plate of embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the connection structure of a jet pipe according to embodiment 2 of the present invention;
FIG. 5 is a schematic structural view of a fluidic plate according to embodiment 2 of the present invention;
FIG. 6 is a schematic view showing the connection structure of a jet pipe according to embodiment 3 of the present invention;
FIG. 7 is a schematic structural view of a jet plate of embodiment 3 of the present invention;
fig. 8 is a schematic view of the connection structure of the ejector tube of embodiment 3 of the present invention;
in the figure: 1. jet pipe, 2, liquid inlet, 3, air inlet pipe, 4, jet plate, 5, jet hole, 6, focusing point, 7, end cover, 8, pressure storage cavity, 9, connector, 10, connecting flange, 11, convex ring, 12, liquid inlet pipe, 13, treatment tank, 14, liquid feeding pump, 15, fixing plate, 16, through hole, 17, avoidance gap, 18, toggle rod, 19, through hole, 20, mounting hole, 21, jet pipe, 22, adjusting plate, 23, adjusting groove, 24, universal ball head, 25, through hole section, 26, connecting section, 27, avoidance section, 28, positioning groove, 29, positioning pin, 30, anti-blocking buffer sleeve, 31, avoidance gap, 32, adjusting rod, 33, through hole, 34, connecting sleeve, 35, avoidance hole.
Detailed Description
The technical scheme of the invention is further specifically described by the following specific embodiments with reference to the accompanying drawings: example 1: a preparation method of a jet-type waste gas treatment device (see fig. 1 to 3) comprises a jet pipe 1, wherein the jet pipe is vertically arranged, one end of the jet pipe is provided with a liquid inlet 2, the liquid inlet is arranged at the upper end of the jet pipe, an air inlet pipe 3 is arranged on the side wall of the jet pipe, the air inlet pipe is arranged close to the upper end of the jet pipe, the air inlet pipe is obliquely arranged from top to bottom towards the direction close to the jet pipe, a jet plate 4 is arranged at the position of the liquid inlet of the jet pipe, a plurality of jet holes 5 are uniformly distributed on the jet plate, the axial extension lines of all the jet holes are focused to one point to form a focusing point 6, the focusing point is arranged on the axis of the jet pipe, the height position of the focusing point is lower than the connection position of the air inlet pipe and the jet pipe, and the position of the jet plate is higher than the connection position of the air inlet pipe and the jet pipe.
The end cover 7 is connected to jet pipe upper end, and the end cover arches upwards, forms between end cover and the jet plate and holds and press chamber 8, and jet hole upper end all with hold and press chamber intercommunication, be equipped with upward extension's connector 9 on the end cover, the inlet sets up on the connector, and the end cover edge is equipped with flange 10, and jet pipe upper end is equipped with outside convex bulge loop 11, bulge loop and flange fastening connection, jet plate edge fastening connection between bulge loop and flange. The liquid inlet is communicated with a liquid inlet pipe 12, the lower end of the jet pipe is connected with a treatment tank 13, a liquid feeding pump 14 is arranged between the treatment tank and the liquid inlet pipe, and the liquid inlet pipe is fixedly connected with the connector.
The number of jet holes a is determined in the following way: a=s Total (S) /S Hole(s) ；S Total (S) ＝Q Liquid and its preparation method /Vs；In the formula, psi is a speed coefficient of 0.93-0.87, and when the wind pressure is more than or equal to 2500Pa, psi is selected to be 0.93; when the wind pressure is less than 1500pa, selecting 0.87; g is gravity acceleration, ΔPs is the pressure difference (mH) between the front and back of the liquid 2 O), vs is the liquid flow rate, Q Liquid and its preparation method Is the flow rate of the liquid, S Total (S) For spraying the total area S Hole(s) The calculated number of orifices a is rounded to an integer for a single orifice cross-sectional area.
In this example, ΔPs is 32 meters of water column, assuming a flow rate Q of the liquid Liquid and its preparation method ＝50m 3 Per h, vs takes 23.3m/S, S Total (S) ＝Q Liquid and its preparation method /Vs＝(50/3600/23.3)*10 6 =596mm2, a=s, calculated as a single jet aperture Φ10mm Total (S) /S Hole(s) =596/(3.14×5×5) =7.6, rounded to 8. The jet holes are arranged in the center of the jet plate, 7 other jet holes are uniformly distributed in the circumferential direction, the middle jet hole is vertically arranged, the axis of the jet hole coincides with the axis of the jet pipe, the other 7 jet holes are obliquely arranged, and the axis extension line of the jet hole and the axis of the jet pipe are focused on the focusing point.
When the jet pipe is in operation, liquid is conveyed to the upper end of the jet pipe from the liquid inlet and is sprayed into the jet pipe through the jet hole, the distribution area of the liquid is rapidly expanded after being sprayed from the jet hole under the condition of high-speed jet flow, the volume mutation is generated, and the part of space losing gas is supplemented by waste gas in the air inlet pipe, so that the air suction effect is generated. Jet liquid ejected from the jet holes is gathered at a focusing point and then dispersed towards the inner wall of the jet pipe, the jet pipe is fully distributed, and at the moment, negative pressure is generated at a position close to the upper part of the focusing point, so that exhaust gas is pumped. The exhaust gas pumped from the air inlet pipe is fully mixed with the liquid in the jet pipe to generate physical or chemical action, thereby achieving the purpose of absorbing and treating the exhaust gas. The jet flow type waste gas treatment device adopts the principle that jet flow generates vacuum negative pressure, achieves the effect of air draft, and simultaneously can prevent static electricity and remove dust, and fully contacts and mixes gas phase and liquid phase, thereby achieving the purpose of waste gas treatment.
Example 2: a method for manufacturing a jet type exhaust gas treatment device (see fig. 4 and 5) is similar to that of embodiment 1, and is mainly different in that the upper and lower positions of the focus point in this embodiment are adjusted by adjusting the inclination angle of the jet hole.
The fixed plate 15 is installed above the jet plate, a plurality of through holes 16 are uniformly distributed on the fixed plate in the circumferential direction, a plurality of jet holes with different inclination angles are correspondingly arranged on the jet plate and each through hole, the jet plate is rotationally arranged, the jet holes with different inclination angles are correspondingly communicated with the through holes by the rotation of the jet plate, and then the upper position and the lower position of the focusing point are adjusted. The jet flow plate is arranged between the upper end of the jet flow pipe and the fixed plate, an avoidance gap 17 is arranged between the fixed plate and the jet flow pipe, the edge of the jet flow plate is connected with a poking rod 18, and the poking rod penetrates outwards from the avoidance gap. The corresponding position of the avoidance gap on the fixed plate is provided with a scale mark, and the setting of the scale mark enables the poking quantity of the poking rod to be accurately controlled, so that the jet hole can be aligned with the through hole. The center of the jet plate is provided with one jet hole, 7 groups of jet holes are uniformly distributed in the circumferential direction of the jet plate, each group of jet holes with different inclination angles are formed in each group, and through holes 19 are correspondingly formed in the fixing plate and the middle jet holes. 7 through holes are uniformly distributed on the fixed plate in the circumferential direction. 7 through holes are correspondingly communicated with one of the jet holes in each group at the same time, and the inclination angles of the 7 correspondingly communicated jet holes are the same, so that the axial extension lines of the jet holes communicated with the through holes can be focused to a point to form a focusing point. Other structures are the same as those of embodiment 1. And the jet plate is rotated, so that jet holes with different inclination angles are correspondingly communicated with the through holes, and the upper and lower positions of the focusing point are adjusted to meet different use requirements.
Example 3: a method of manufacturing a jet type exhaust gas treatment device (see fig. 6 to 8) is similar to that of embodiment 1, and is mainly different in that the upper and lower positions of the focus point in this embodiment are adjusted by adjusting the inclination angle of the jet hole.
A plurality of mounting holes 20 are uniformly distributed on the jet plate in the circumferential direction, a jet pipe 21 which is rotatably arranged is arranged in each mounting hole, and a channel in each jet pipe forms a jet hole; and a regulating plate 22 which is rotatably arranged is arranged between the jet flow plate and the upper end of the jet flow pipe, a plurality of regulating grooves 23 are arranged on the regulating plate in one-to-one correspondence with the jet flow pipes, the regulating grooves are of arc structures, the regulating grooves are outwards deviated from the center of the regulating plate from one end to the other end, the jet flow pipes are movably inserted and connected with the regulating grooves, and the regulating plate rotates to push the jet flow pipes to rotate through the regulating grooves so as to regulate the inclination angles of the jet flow holes.
The jet pipe upper end is equipped with universal bulb 24, the mounting hole includes through-flow section 25, linkage segment 26, dodges section 27, universal bulb and linkage segment adaptation, universal bulb rotates and installs at the linkage segment, dodges the section and from last outside expansion down, dodges the section and be equipped with the location lateral wall that two relative settings, be equipped with curved constant head tank 28 on the location lateral wall, be equipped with on the jet pipe with the locating pin 29 of the corresponding adaptation of constant head tank, locating pin tip slidable mounting is in the constant head tank, the axis of jet pipe is along the radial direction removal of jet plate all the time in the jet pipe rotation adjustment process. In the rotation process of the jet pipe, the axis of the jet pipe and the axis of the jet pipe can be always in the same plane. An anti-blocking buffer sleeve 30 is sleeved on the outer wall of the injection pipe at the position corresponding to the adjusting groove. An avoidance gap 31 is arranged between the edge of the jet plate and the upper end of the jet pipe, the edge of the adjusting plate is connected with an adjusting rod 32, and the adjusting rod penetrates out of the avoidance gap. A through hole 33 is arranged in the middle of the jet plate, a connecting sleeve 34 is connected in the through hole, and a jet hole is formed in the inner channel of the connecting sleeve. Other mounting holes are uniformly distributed along the circumferential direction of the connecting sleeve, the adjusting plate and the connecting sleeve are correspondingly provided with avoiding holes 35, and the lower end of the connecting sleeve penetrates out of the avoiding holes. Other structures are the same as those of embodiment 1.
And the adjusting plate is rotated, so that the adjusting groove on the adjusting plate pushes the jet pipe to rotate, the inclination angle of the jet hole is adjusted, and the upper position and the lower position of the focusing point are adjusted. The inclination angle of the jet hole is convenient to adjust, stepless adjustment of the inclination angle of the jet hole can be realized in the range of the adjusting groove, that is, the upper position and the lower position of the focusing point can be at any position in a certain height range, the adjustment is more flexible, and various use scenes are met.
The above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
Claims (9)
1. A preparation method of a jet-type waste gas treatment device is characterized in that the jet-type waste gas treatment device comprises a jet pipe, one end of the jet pipe is provided with a liquid inlet, an air inlet pipe is arranged on the side wall of the jet pipe, the air inlet pipe is obliquely arranged from top to bottom towards the direction close to the jet pipe, a jet plate is arranged at the liquid inlet position of the jet pipe, a plurality of jet holes are uniformly distributed on the jet plate, the axial extension lines of all the jet holes are focused to a point to form a focusing point, the focusing point is arranged on the axis of the jet pipe, the height position of the focusing point is lower than the connection position of the air inlet pipe and the jet pipe, and the position of the jet plate is higher than the connection position of the air inlet pipe and the jet pipe; the number of jet holes a is determined in the following way: a=s Total (S) /S Hole(s) ；S Total (S) ＝Q Liquid and its preparation method /Vs；In the formula, ψ is the speed coefficient of 0.93-0.87, g is the gravity acceleration, and ΔPs is the pressure difference (mH) between the front and back of the liquid 2 O), vs is the liquid flow rate, Q Liquid and its preparation method Is the flow rate of the liquid, S Total (S) For spraying the total area S Hole(s) The calculated number of orifices a is rounded to an integer for a single orifice cross-sectional area.
2. The method for preparing a jet type waste gas treatment device according to claim 1, wherein the upper end of the jet pipe is connected with an end cover, the end cover is arched upwards, a pressure storage cavity is formed between the end cover and the jet plate, a connector extending upwards is arranged on the end cover, a liquid inlet is arranged on the connector, and a connecting flange is arranged at the edge of the end cover.
3. The method for preparing a jet type waste gas treatment device according to claim 1, wherein the liquid inlet is communicated with the liquid inlet pipe, the lower end of the jet pipe is connected with the treatment tank, and a liquid feeding pump is arranged between the treatment tank and the liquid inlet pipe.
4. A method of manufacturing a jet exhaust gas treatment device according to any one of claims 1 to 3, wherein the upper and lower positions of the focal point are adjusted by adjusting the inclination angle of the jet hole.
5. The method for preparing a jet type waste gas treatment device according to claim 4, wherein a fixed plate is arranged above the jet plate, a plurality of through holes are uniformly distributed on the fixed plate in the circumferential direction, a plurality of jet holes with different inclination angles are correspondingly arranged on the jet plate and each through hole, the jet plate is rotatably arranged, and the jet plates are rotatably arranged to enable the jet holes with different inclination angles to be correspondingly communicated with the through holes, so that the upper position and the lower position of the focusing point are adjusted.
6. The method for manufacturing a jet type exhaust gas treatment device according to claim 5, wherein the jet plate is arranged between the upper end of the jet pipe and the fixed plate, an avoidance gap is arranged between the fixed plate and the jet pipe, the edge of the jet plate is connected with the poking rod, and the poking rod penetrates out of the avoidance gap.
7. The method for preparing a jet type waste gas treatment device according to claim 4, wherein a plurality of mounting holes are uniformly distributed on the jet plate in the circumferential direction, jet pipes which are rotatably arranged are arranged in the mounting holes, and channels in the jet pipes form jet holes; install the regulating plate that rotates the setting between jet plate and the jet pipe upper end, on the regulating plate with jet pipe one-to-one be equipped with a plurality of adjustment tanks, the adjustment tank is the arc structure, the adjustment tank outwards deviates from the regulating plate center setting from one end to the other end, jet pipe and the movable cartridge of adjustment tank are connected, thereby the inclination of adjusting the jet hole is rotated through the promotion jet pipe of adjustment tank to the regulating plate rotation.
8. The method for preparing the jet-type waste gas treatment device according to claim 7, wherein the upper end of the jet pipe is provided with a universal ball head, the mounting hole comprises a through flow section, a connecting section and an avoidance section, the universal ball head is matched with the connecting section, the universal ball head is rotatably mounted on the connecting section, the avoidance section is expanded from top to bottom outwards, the avoidance section is provided with two oppositely arranged positioning side walls, the positioning side walls are provided with arc-shaped positioning grooves, the jet pipe is provided with positioning pins correspondingly matched with the positioning grooves, the end parts of the positioning pins are slidably mounted in the positioning grooves, and the axis of the jet pipe always moves along the radial direction of the jet plate in the rotation adjustment process of the jet pipe.
9. The method for manufacturing a jet exhaust gas treatment device according to claim 7, wherein the outer wall of the jet pipe at the position corresponding to the adjusting groove is sleeved with an anti-seize buffer sleeve.
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| CN202210633452.8A CN115178037B (en) | 2022-06-06 | 2022-06-06 | Preparation method of jet type waste gas treatment device |
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| CN202210633452.8A CN115178037B (en) | 2022-06-06 | 2022-06-06 | Preparation method of jet type waste gas treatment device |
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| CN115178037B true CN115178037B (en) | 2023-09-08 |
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| CN211358146U (en) * | 2019-09-27 | 2020-08-28 | 日扬科技股份有限公司 | Negative pressure jet pipe with self-cleaning function |
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| CN114367162A (en) * | 2022-02-23 | 2022-04-19 | 广州市明捷信息科技有限责任公司 | Spray dust removal device for environmental protection |
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| CN104815569A (en) * | 2015-04-10 | 2015-08-05 | 顾卫荣 | Liquid-gas mixer and gas-liquid recovery device by employing liquid-gas mixer |
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| RU2623765C1 (en) * | 2016-10-10 | 2017-06-29 | Олег Савельевич Кочетов | Vortex dust collector |
| KR101793420B1 (en) * | 2017-06-16 | 2017-11-20 | 주식회사 엘제이 이앤에스 | A low pressure jet/wide angle fog spray system |
| CN108514786A (en) * | 2018-06-04 | 2018-09-11 | 肇庆市高新区创客科技有限公司 | A kind of vehicle-mounted removable Environmental-protecting dust-removing spraying apparatus |
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| CN211358146U (en) * | 2019-09-27 | 2020-08-28 | 日扬科技股份有限公司 | Negative pressure jet pipe with self-cleaning function |
| CN111841204A (en) * | 2020-06-16 | 2020-10-30 | 中交第三公路工程局有限公司 | Tower crane spraying system |
| KR102259722B1 (en) * | 2021-01-19 | 2021-06-02 | (주) 이엘바이오 | Deodorizing apparatus |
| CN214598225U (en) * | 2021-03-04 | 2021-11-05 | 海南瑞初环保科技有限公司 | Liquid sputtering mixing device for wet desulphurization |
| CN114367162A (en) * | 2022-02-23 | 2022-04-19 | 广州市明捷信息科技有限责任公司 | Spray dust removal device for environmental protection |
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| CN115178037A (en) | 2022-10-14 |
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