CN207413096U - A kind of gas recovery system for mechanical equipment water paint - Google Patents
A kind of gas recovery system for mechanical equipment water paint Download PDFInfo
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- CN207413096U CN207413096U CN201721352017.9U CN201721352017U CN207413096U CN 207413096 U CN207413096 U CN 207413096U CN 201721352017 U CN201721352017 U CN 201721352017U CN 207413096 U CN207413096 U CN 207413096U
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Abstract
The utility model provides a kind of gas recovery system for mechanical equipment water paint, and the gas recovery system includes：Wind turbine, dust-extraction unit, absorption plant, steam mixing arrangement, condensing unit, filter device, vaporising device, spray water collecting device and water paint collection device；Most of pure water paint can be dissolved in by dust-extraction unit and absorption plant in shower water, residue, which does not absorb gas, to be converted into water paint mixture by steam mixing arrangement and condensing unit.The water paint mixture is filtered to recycle raw material with after evaporation and concentration as water paint, collects for use.The utility model provides a kind of gas recovery system and its recovery process for mechanical equipment water paint, using the water paint in the recovery process recycling water paint exhaust gas of the recovery system, its rate of recovery and purity are up to more than 90%, and the system is not related to adsorption process, device structure is simple, has saved equipment and operating cost.
Description
Technical field
The utility model is related to a kind of gas recovery system, specifically, it is related to a kind of for mechanical equipment water paint
Gas recovery system.
Background technology
Environment-friendly type coating of the water paint as a kind of low VOC (VOC) substitutes organic molten in the automotive industry
The dosage form coating time is earliest and scope is also most extensive.In developed country, the utilization rate of water paint more than 80%.To meet
The trend of paint application hydrotropismization development develops the aqueous spray coating of industrial coating, and has been obtained on each production line
Practical application has been arrived, has significantly improved the operating environment of worker, the discharge capacity of VOC has been reduced, avoids fire hazard, have
Preferable social benefit.Even it is well known that using under the conditions of optimal, also have during electrostatic spray application 10% with
On over-sprayed paint fog disperse, if dispersing using the over-sprayed paint fog of hand spray at least 40%~60%, this is not only caused
The waste of resource can also pollute the health and production environment of worker.Since water paint is soluble in water,
Its recovery and treatment method and oil paint are different.
Utility model content
In place of solving above-mentioned the deficiencies in the prior art, set the purpose of this utility model is to provide one kind for machinery
The gas recovery system and its recovery process of standby water paint, the defects of to overcome in the prior art.
To achieve these goals, the utility model provides a kind of waste gas recovery system for mechanical equipment water paint
System, the recovery system include：Wind turbine, dust-extraction unit, absorption plant, steam mixing arrangement, condensing unit, filter device, steaming
Transmitting apparatus, spray water collecting device and water paint collection device；Wherein, dust-extraction unit, dust-extraction unit are filled by pipeline with absorbing
Connection is put, water paint exhaust gas is delivered to dust-extraction unit by wind turbine, and dust-extraction unit separates the dust particle in water paint exhaust gas, obtains
To dustless exhaust gas be delivered to absorption plant；Absorption plant, absorption plant are connected by pipeline with steam mixing arrangement, absorb dress
The shower water put dissolves and absorbs the water paint in the dustless exhaust gas, obtains water and water paint mixture and unabsorbed
Exhaust gas；Steam mixing arrangement, steam mixing arrangement are connected by pipeline with condensing unit, and the unabsorbed exhaust gas enters steaming
In vapour mixing arrangement, the steam in steam mixing arrangement dissolves the water paint in the unabsorbed exhaust gas, and what is obtained contains
The steam of water paint is delivered to condensing unit and is condensed, and further obtains water and water paint mixture；Filter device, filtering dress
It puts and is connected respectively with absorption plant and condensing unit by pipeline, respectively from absorption plant and the water and water of condensing unit
Property paint mixture enter filter device and be separated by filtration, obtained water paint solid is collected to collect in water paint after dissolution process and filled
In putting, obtained water paint aqueous solution is delivered to vaporising device；Vaporising device, vaporising device are evaporated in the water paint aqueous solution
Extra water, to obtain water paint；Water is collected after cooling in water collecting device is sprayed, and water paint is collected after dissolution process
In water paint collection device；Water collecting device is sprayed, spray water collecting device is connected by pipeline with absorption plant, to absorb
Device provides shower water.
As the further explanation to recovery system described in the utility model, it is preferable that absorption plant inner wall from it is lower to
On be arranged with spraying layer and demister successively, wherein the spraying layer is at least two layers.
As the further explanation to recovery system described in the utility model, it is preferable that spraying layer includes interconnecting
Distribution pipe and spraying nozzle, distribution pipe connected with shower water water inlet pipe, spraying nozzle is half elliptic sphere, and surface is uniform
Offer spray orifice.
As the further explanation to recovery system described in the utility model, it is preferable that the axial ratio of spraying nozzle
For 4:1~2~1；Spray orifice aperture is 0.2~0.8mm.
As the further explanation to recovery system described in the utility model, it is preferable that be equipped in steam mixing arrangement
Steam generator, rotation distributor and electric rotating machine, steam generator are arranged on bottom in steam mixing arrangement, and pass through pipeline with
Distributor connection is rotated, rotation distributor is arranged fixing connection with electric rotating machine output shaft, and drives and rotate by electric rotating machine
Distributor rotates.
As the further explanation to recovery system described in the utility model, it is preferable that rotation distributor includes main gas
Pipe, bronchus and rolling bearing, bronchus uniform ring is arranged on main tracheae surrounding, and is connected with main tracheae, and ring bronchial surface
Venthole is uniformly provided with, main tracheae bottom is arranged with rolling bearing, and passes through rolling bearing and fix connection with the output shaft.
As the further explanation to recovery system described in the utility model, it is preferable that condensing unit includes throttling swollen
Swollen device and condenser, the steam containing water paint by throttling expansion device and condenser once condensed respectively with it is secondary cold
It is solidifying, obtain the water and water paint mixture.
As the further explanation to recovery system described in the utility model, it is preferable that vaporising device steams for falling film type
Device is sent out, and evaporation process is two-effect evaporation.
In order to realize the another object of the utility model, the utility model additionally provides and is used for machinery described in a kind of application
The recovery process of the gas recovery system of equipment water paint, the recovery process comprise the following steps：
Step 1)：The water paint exhaust gas that production line gives off pumping into dust-extraction unit by wind turbine after collection is led to
The dust particle in the dust-extraction unit separation exhaust gas is crossed, obtains dustless exhaust gas；
Step 2)：The dustless exhaust gas enters absorption plant, after passing sequentially through spraying layer spray-absorption and demister foam removal,
Obtain water and water paint mixture and unabsorbed exhaust gas；
Step 3)：The unabsorbed exhaust gas enters steam mixing arrangement, and merga pass steam is mixed with steam therein
The water paint in the exhaust gas is absorbed, obtains the steam containing water paint；
Step 4)：The steam containing water paint enters condensing unit, pass sequentially through throttling expansion device and condenser into
Row condensation, obtains water and water paint mixture；
Step 5)：Enter filter device respectively from the water and water paint mixture of absorption plant and condensing unit,
The water paint precipitation being removed by filtration in water and water paint mixture, obtains water paint aqueous solution and water paint solid；
Step 6)：The water paint aqueous solution enters in vaporising device, and wherein extra water is removed by evaporation process, with
Water paint is obtained, the water evaporated is collected after cooling in water collecting device is sprayed, and is recycled back in absorption plant to spray
Leaching；
Step 7)：The water paint solid obtained in step 5) is common with the water paint that is obtained in step 6) after dissolution process
It collects in water paint collection device, utilization to be recycled.
As the further explanation to recovery process described in the utility model, it is preferable that wind turbine (1) exports in step 1)
The pressure for locating water paint exhaust gas is 0.8~1.2MPa；The temperature of steam is 90~120 DEG C in step 3).
The utility model provides a kind of gas recovery system and its recovery process for mechanical equipment water paint, application
Water paint in the recovery process recycling water paint exhaust gas of the recovery system, the rate of recovery and purity reachable more than 90%,
And the system is not related to adsorption process, device structure is simple, has saved equipment and operating cost.
Description of the drawings
Fig. 1 is schematic diagram of the utility model for the gas recovery system of mechanical equipment water paint；
Fig. 2 is the structure diagram of the utility model absorption plant；
Fig. 3 is the structure diagram of the utility model spraying nozzle；
Fig. 4 is the structure diagram of the utility model steam mixing arrangement；
Fig. 5 is the connection diagram of the utility model condensing unit.
The reference numerals are as follows：
Wind turbine 1, dust-extraction unit 2, absorption plant 3, spraying layer 31, distribution pipe 311, spraying nozzle 312, demister 32, steaming
Vapour mixing arrangement 4, steam generator 41, rotation distributor 42, main tracheae 421, bronchus 422, rolling bearing 423, electric rotating
Machine 43, condensing unit 5, throttling expansion device 51, condenser 52, filter device 6, vaporising device 7, spray water collecting device 8 and water
Property paint collection device 9.
Specific embodiment
In order to further appreciate that the structure of the utility model, feature and other purposes, in conjunction with appended preferable implementation
Example is accompanied by attached drawing, and detailed description are as follows, this attached drawing embodiment described is merely to illustrate the technical solution of the utility model, and
Non-limiting the utility model.
As shown in Figure 1, Fig. 1 is schematic diagram of the utility model for the gas recovery system of mechanical equipment water paint, institute
Stating recovery system includes：Wind turbine 1, dust-extraction unit 2, absorption plant 3, steam mixing arrangement 4, condensing unit 5, filter device 6, steaming
Transmitting apparatus 7, spray water collecting device 8 and water paint collection device 9；Wherein, dust-extraction unit 2, water paint exhaust gas are defeated by wind turbine 1
It send into dust-extraction unit 2, and passes through dust-extraction unit 2 and separate dust particle in the exhaust gas, become dustless exhaust gas, prevent
Dust in the exhaust gas causes water paint coalescence blocking, influences the use of the water paint of recycling；Absorption plant 3, it is described dustless
Exhaust gas dissolves and absorbs water paint therein by shower water in absorption plant 3, obtain water and water paint mixture and not by
The exhaust gas of absorption, different from oil paint property not soluble in water, water paint has certain solubility with water, therefore shower water absorbs
It can be very good to recycle most of water paint gas；Steam mixing arrangement 4, the unabsorbed exhaust gas enter steam mixing dress
In putting 4, by mixing the water paint in the merga pass steam dissolving unabsorbed exhaust gas with steam therein, so as to obtain
Steam containing water paint；Condensing unit 5, the steam containing water paint, which enters in condensing unit 5, to be condensed, and obtains water
With water paint mixture；Filter device 6, respectively from absorption plant 3 and condensing unit 5 the water and water paint mixture into
Enter filter device 6, and pass through filter device 6 and filter to isolate water paint solid therein, obtain water paint aqueous solution；Evaporation dress
7 are put, the water paint aqueous solution is conveyed into vaporising device 7, and it is extra in the water paint aqueous solution to be evaporated by vaporising device 7
Water, to obtain water paint, it is preferable that vaporising device 7 be downward film evaporator, and evaporation process be two-effect evaporation；Shower water
Collection device 8, the water evaporated in vaporising device 7 is collected after cooling in water collecting device 8 is sprayed, and passes through Pipeline transport
Resorption receiving apparatus 3, for spraying；Water paint collection device 9, in the water paint and filter device 6 that obtain in vaporising device 7
The water paint that obtained water paint solid is obtained through dissolution process is collected in water paint collection device 9, utilization to be recycled.This reality
It, instead of adsorption separation process, so need not only set using water absorption, steam mixing and condensation process combination with new
Standby middle assembling filler, can also avoid desorption process from expending substantial amounts of energy and gas, save investment and operating cost.
As shown in Fig. 2, Fig. 2 be the utility model absorption plant structure diagram, 3 inner wall of absorption plant from bottom to top according to
Secondary to be arranged with spraying layer 31 and demister 32, wherein the spraying layer is at least two layers, spraying layer 31 includes point interconnected
Piping 311 and spraying nozzle 312, distribution pipe 311 are connected with shower water water inlet pipe.The spray face of at least two layers of the spraying layer
Product is mutually superimposed, and whole absorption plant sections is completely covered, prevents not absorb air-flow, influences assimilation effect.
As shown in figure 3, Fig. 3 is the structure diagram of the utility model spraying nozzle, spraying nozzle 312 is half elliptic ball
Body, surface are uniformly provided with spray orifice.Preferably, the axial ratio of spraying nozzle 312 is 4:1~2~1；Spray orifice aperture is 0.2
~0.8mm.Half elliptic sphere nozzle adds spray area compared to planar showerhead, and ejection spray crosses one another and adds
Absorptivity improves absorption efficiency.The spray orifice aperture of design can improve the atomizing effect of shower water ejection, and water is made to spray to be formed
Fine droplet also functions to the effect for improving absorptivity.
As shown in figure 4, Fig. 4 is the structure diagram of the utility model steam mixing arrangement, it is equipped in steam mixing arrangement 4
Steam generator 41, rotation distributor 42 and electric rotating machine 43, steam generator 41 are arranged on bottom in steam mixing arrangement 4, and
It being connected by pipeline with rotation distributor 42, rotation distributor 42 includes main tracheae 421, bronchus 422 and rolling bearing 423,
422 uniform ring of bronchus is arranged on main 421 surrounding of tracheae, and is connected with main tracheae 421, and 422 surface of ring bronchus uniformly opens up
There is venthole, main 421 bottom of tracheae is arranged with rolling bearing 423, and passes through rolling bearing 423 and fix company with the output shaft
It connects, and passes through electric rotating machine 43 and rotation distributor 42 is driven to rotate.It can be uniformly distributed in steam with bronchial main tracheae
Inside steam mixing arrangement, and driven by motor and rotate the uniformity for more improving distribution of steam.
As shown in figure 5, Fig. 5 is the connection diagram of the utility model condensing unit, condensing unit 5 includes throttling expansion device
51 and condenser 52, the steam containing water paint from steam mixing arrangement 4 divided by throttling expansion device 51 and condenser 52
It is not condensed once and time condensation, obtains the water and water paint mixture.The utility model using throttling expansion device and
Condenser unicom carries out mixed vapour using throttling expansion device preliminary throttling condensation, recycles condenser that whole steam are cold
It coagulates for liquid, so as to replace traditional B-grade condensation, since throttling expansion is only depressured by throttle-valve structure, cooling water is not required
Cooling, therefore the method instead of B-grade condensation of the utility model use can greatly reduce the use of cooling water, reduce fortune
Row cost.
The utility model additionally provides a kind of returning for the gas recovery system for mechanical equipment water paint described in application
Knock off skill：
Embodiment 1
Step 1)：The water paint exhaust gas that production line gives off pumping into dust-extraction unit 2 by wind turbine 1 after collection,
Dust particle in the exhaust gas is separated by dust-extraction unit 2, obtains dustless exhaust gas, the pressure of 1 exit water paint exhaust gas of wind turbine
Power is 0.8MPa, to provide enough kinetic energy for exhaust gas.
Step 2)：The dustless exhaust gas obtained in step 1) enters absorption plant 3, passes sequentially through two layers of spray of spraying layer 31 and inhales
It receives with after 32 foam removal of demister, water and water paint mixture and unabsorbed exhaust gas is respectively obtained, wherein the spraying used
The axial ratio of nozzle 312 is 4:1, spray orifice aperture is 0.2mm.
Step 3)：The unabsorbed exhaust gas obtained in step 2) enters steam mixing arrangement 4, with 90 DEG C in device
Steam mixes, and passes through the water paint in exhaust gas described in vapor absorption, obtains the steam containing water paint.
Step 4)：The steam containing water paint obtained in step 3) enters condensing unit 5, passes sequentially through throttling expansion device
51 and condenser 52 condensed, obtain water and water paint mixture.
Step 5)：Enter filter device respectively from the water and water paint mixture of absorption plant 3 and condensing unit 5
6, the water paint precipitation being removed by filtration in water and water paint mixture respectively obtains water paint aqueous solution and water paint is consolidated
Body.
Step 6)：The water paint aqueous solution obtained in step 5) enters in vaporising device 7, passes through two-effect evaporation process
The wherein extra water of removal, to obtain water paint, the water evaporated is collected after cooling in water collecting device 8 is sprayed, and is followed
It is used to spray in loopback absorption plant 3.
Step 7)：The water paint solid obtained in step 5) is common with the water paint that is obtained in step 6) after dissolution process
It collects in water paint collection device 9, utilization to be recycled.
Water paint in mechanical equipment water paint exhaust gas is recycled by recovery process described in the utility model, after testing water
Property the paint rate of recovery be 90%, purity 96%.
Embodiment 2
Step 1)：The water paint exhaust gas that production line gives off pumping into dust-extraction unit 2 by wind turbine 1 after collection,
Dust particle in the exhaust gas is separated by dust-extraction unit 2, obtains dustless exhaust gas, the pressure of 1 exit water paint exhaust gas of wind turbine
Power is 0.9MPa, to provide enough kinetic energy for exhaust gas.
Step 2)：The dustless exhaust gas obtained in step 1) enters absorption plant 3, passes sequentially through three layers of spray of spraying layer 31 and inhales
It receives with after 32 foam removal of demister, water and water paint mixture and unabsorbed exhaust gas is respectively obtained, wherein the spraying used
The axial ratio of nozzle 312 is 3:1, spray orifice aperture is 0.4mm.
Step 3)：The unabsorbed exhaust gas obtained in step 2) enters steam mixing arrangement 4, with 95 DEG C in device
Steam mixes, and passes through the water paint in exhaust gas described in vapor absorption, obtains the steam containing water paint.
Step 4)：The steam containing water paint obtained in step 3) enters condensing unit 5, passes sequentially through throttling expansion device
51 and condenser 52 condensed, obtain water and water paint mixture.
Step 5)：Enter filter device respectively from the water and water paint mixture of absorption plant 3 and condensing unit 5
6, the water paint precipitation being removed by filtration in water and water paint mixture respectively obtains water paint aqueous solution and water paint is consolidated
Body.
Step 6)：The water paint aqueous solution obtained in step 5) enters in vaporising device 7, passes through two-effect evaporation process
The wherein extra water of removal, to obtain water paint, the water evaporated is collected after cooling in water collecting device 8 is sprayed, and is followed
It is used to spray in loopback absorption plant 3.
Step 7)：The water paint solid obtained in step 5) is common with the water paint that is obtained in step 6) after dissolution process
It collects in water paint collection device 9, utilization to be recycled.
Water paint in mechanical equipment water paint exhaust gas is recycled by recovery process described in the utility model, after testing water
Property the paint rate of recovery be 92%, purity 95%.
Embodiment 3
Step 1)：The water paint exhaust gas that production line gives off pumping into dust-extraction unit 2 by wind turbine 1 after collection,
Dust particle in the exhaust gas is separated by dust-extraction unit 2, obtains dustless exhaust gas, the pressure of 1 exit water paint exhaust gas of wind turbine
Power is 1.0MPa, to provide enough kinetic energy for exhaust gas.
Step 2)：The dustless exhaust gas obtained in step 1) enters absorption plant 3, passes sequentially through two layers of spray of spraying layer 31 and inhales
It receives with after 32 foam removal of demister, water and water paint mixture and unabsorbed exhaust gas is respectively obtained, wherein the spraying used
The axial ratio of nozzle 312 is 2:1, spray orifice aperture is 0.6mm.
Step 3)：The unabsorbed exhaust gas obtained in step 2) enters steam mixing arrangement 4, with 100 DEG C in device
Steam mixing, and pass through the water paint in exhaust gas described in vapor absorption, obtain the steam containing water paint.
Step 4)：The steam containing water paint obtained in step 3) enters condensing unit 5, passes sequentially through throttling expansion device
51 and condenser 52 condensed, obtain water and water paint mixture.
Step 5)：Enter filter device respectively from the water and water paint mixture of absorption plant 3 and condensing unit 5
6, the water paint precipitation being removed by filtration in water and water paint mixture respectively obtains water paint aqueous solution and water paint is consolidated
Body.
Step 6)：The water paint aqueous solution obtained in step 5) enters in vaporising device 7, passes through two-effect evaporation process
The wherein extra water of removal, to obtain water paint, the water evaporated is collected after cooling in water collecting device 8 is sprayed, and is followed
It is used to spray in loopback absorption plant 3.
Step 7)：The water paint solid obtained in step 5) is common with the water paint that is obtained in step 6) after dissolution process
It collects in water paint collection device 9, utilization to be recycled.
Water paint in mechanical equipment water paint exhaust gas is recycled by recovery process described in the utility model, after testing water
Property the paint rate of recovery be 93%, purity 94.5%.
Embodiment 4
Step 1)：The water paint exhaust gas that production line gives off pumping into dust-extraction unit 2 by wind turbine 1 after collection,
Dust particle in the exhaust gas is separated by dust-extraction unit 2, obtains dustless exhaust gas, the pressure of 1 exit water paint exhaust gas of wind turbine
Power is 1.1MPa, to provide enough kinetic energy for exhaust gas.
Step 2)：The dustless exhaust gas obtained in step 1) enters absorption plant 3, passes sequentially through three layers of spray of spraying layer 31 and inhales
It receives with after 32 foam removal of demister, water and water paint mixture and unabsorbed exhaust gas is respectively obtained, wherein the spraying used
The axial ratio of nozzle 312 is 2.5:1, spray orifice aperture is 0.7mm.
Step 3)：The unabsorbed exhaust gas obtained in step 2) enters steam mixing arrangement 4, with 110 DEG C in device
Steam mixing, and pass through the water paint in exhaust gas described in vapor absorption, obtain the steam containing water paint.
Step 4)：The steam containing water paint obtained in step 3) enters condensing unit 5, passes sequentially through throttling expansion device
51 and condenser 52 condensed, obtain water and water paint mixture.
Step 5)：Enter filter device respectively from the water and water paint mixture of absorption plant 3 and condensing unit 5
6, the water paint precipitation being removed by filtration in water and water paint mixture respectively obtains water paint aqueous solution and water paint is consolidated
Body.
Step 6)：The water paint aqueous solution obtained in step 5) enters in vaporising device 7, passes through two-effect evaporation process
The wherein extra water of removal, to obtain water paint, the water evaporated is collected after cooling in water collecting device 8 is sprayed, and is followed
It is used to spray in loopback absorption plant 3.
Step 7)：The water paint solid obtained in step 5) is common with the water paint that is obtained in step 6) after dissolution process
It collects in water paint collection device 9, utilization to be recycled.
Water paint in mechanical equipment water paint exhaust gas is recycled by recovery process described in the utility model, after testing water
Property the paint rate of recovery be 95%, purity 91.2%.
Embodiment 5
Step 1)：The water paint exhaust gas that production line gives off pumping into dust-extraction unit 2 by wind turbine 1 after collection,
Dust particle in the exhaust gas is separated by dust-extraction unit 2, obtains dustless exhaust gas, the pressure of 1 exit water paint exhaust gas of wind turbine
Power is 1.2MPa, to provide enough kinetic energy for exhaust gas.
Step 2)：The dustless exhaust gas obtained in step 1) enters absorption plant 3, passes sequentially through two layers of spray of spraying layer 31 and inhales
It receives with after 32 foam removal of demister, water and water paint mixture and unabsorbed exhaust gas is respectively obtained, wherein the spraying used
The axial ratio of nozzle 312 is 3.5:1, spray orifice aperture is 0.8mm.
Step 3)：The unabsorbed exhaust gas obtained in step 2) enters steam mixing arrangement 4, with 120 DEG C in device
Steam mixing, and pass through the water paint in exhaust gas described in vapor absorption, obtain the steam containing water paint.
Step 4)：The steam containing water paint obtained in step 3) enters condensing unit 5, passes sequentially through throttling expansion device
51 and condenser 52 condensed, obtain water and water paint mixture.
Step 5)：Enter filter device respectively from the water and water paint mixture of absorption plant 3 and condensing unit 5
6, the water paint precipitation being removed by filtration in water and water paint mixture respectively obtains water paint aqueous solution and water paint is consolidated
Body.
Step 6)：The water paint aqueous solution obtained in step 5) enters in vaporising device 7, passes through two-effect evaporation process
The wherein extra water of removal, to obtain water paint, the water evaporated is collected after cooling in water collecting device 8 is sprayed, and is followed
It is used to spray in loopback absorption plant 3；
Step 7)：The water paint solid obtained in step 5) is common with the water paint that is obtained in step 6) after dissolution process
It collects in water paint collection device 9, utilization to be recycled.
Water paint in mechanical equipment water paint exhaust gas is recycled by recovery process described in the utility model, after testing water
Property the paint rate of recovery be 96%, purity 90%.
It is to be understood that above-mentioned utility model content and specific embodiment are intended to prove that the utility model provides skill
The practical application of art scheme should not be construed as the restriction to scope of protection of the utility model.Those skilled in the art are in this practicality
In new spirit and principle, when can various modifications may be made, equivalent substitution or improvement.The scope of protection of the utility model is with appended power
Subject to sharp claim.
Claims (8)
1. a kind of gas recovery system for mechanical equipment water paint, which is characterized in that the recovery system includes：Wind turbine
(1), dust-extraction unit (2), absorption plant (3), steam mixing arrangement (4), condensing unit (5), filter device (6), vaporising device
(7), water collecting device (8) and water paint collection device (9) are sprayed；Wherein,
Dust-extraction unit (2), dust-extraction unit (2) are connected by pipeline with absorption plant (3), and water paint exhaust gas is defeated by wind turbine (1)
It send to dust-extraction unit (2), dust-extraction unit (2) separates the dust particle in water paint exhaust gas, and obtained dustless exhaust gas is delivered to suction
Receiving apparatus (3)；
Absorption plant (3), absorption plant (3) are connected by pipeline with steam mixing arrangement (4), the spray in absorption plant (3)
Water dissolution absorbs the water paint in the dustless exhaust gas, obtains water and water paint mixture and unabsorbed exhaust gas；
Steam mixing arrangement (4), steam mixing arrangement (4) are connected by pipeline with condensing unit (5), described unabsorbed useless
Gas enters in steam mixing arrangement (4), and the steam in steam mixing arrangement (4) dissolves aqueous in the unabsorbed exhaust gas
Paint, the obtained steam containing water paint are delivered to condensing unit (5) and are condensed, and further obtain water and water paint mixing
Object；
Filter device (6), filter device (6) are connected by pipeline with absorption plant (3) and condensing unit (5) respectively, are come respectively
The water and water paint mixture of self-priming receiving apparatus (3) and condensing unit (5) enter filter device (6) and are separated by filtration, and obtain
Water paint solid collected after dissolution process in water paint collection device (9), obtained water paint aqueous solution is delivered to steaming
Transmitting apparatus (7)；
Vaporising device (7), vaporising device (7) evaporates water extra in the water paint aqueous solution, to obtain water paint；Water is through cold
But collect afterwards in spray water collecting device (8), water paint is collected after dissolution process in water paint collection device (9)；
Water collecting device (8) is sprayed, spray water collecting device (8) is connected by pipeline with absorption plant (3), is absorption plant
(3) shower water is provided.
2. recovery system as described in claim 1, which is characterized in that absorption plant (3) inner wall is arranged with successively from bottom to top
Spraying layer (31) and demister (32), wherein the spraying layer is at least two layers.
3. recovery system as claimed in claim 2, which is characterized in that spraying layer (31) includes the distribution pipe interconnected
(311) connected with spraying nozzle (312), distribution pipe (311) with shower water water inlet pipe, spraying nozzle (312) is half elliptic ball
Body, surface are uniformly provided with spray orifice.
4. recovery system as claimed in claim 3, which is characterized in that the axial ratio of spraying nozzle (312) is 4:1~2~
1；Spray orifice aperture is 0.2~0.8mm.
5. recovery system as described in claim 1, which is characterized in that steam generator is equipped in steam mixing arrangement (4)
(41), distributor (42) and electric rotating machine (43) are rotated, steam generator (41) is arranged on steam mixing arrangement (4) interior bottom, and
It being connected by pipeline with rotation distributor (42), rotation distributor (42) is arranged fixing connection with electric rotating machine (43) output shaft,
And pass through electric rotating machine (43) and rotation distributor (42) is driven to rotate.
6. recovery system as claimed in claim 5, which is characterized in that rotation distributor (42) includes main tracheae (421), branch gas
(422) and rolling bearing (423) are managed, bronchus (422) uniform ring is arranged on main tracheae (421) surrounding, and with main tracheae (421) even
It is logical, and ring bronchus (422) surface is uniformly provided with venthole, main tracheae (421) bottom is arranged with rolling bearing (423), and
It is fixed and connected by rolling bearing (423) and the output shaft.
7. recovery system as described in claim 1, which is characterized in that condensing unit (5) includes throttling expansion device (51) and cold
Condenser (52), the steam containing water paint from steam mixing arrangement (4) pass through throttling expansion device (51) and condenser (52)
It is once condensed respectively and time condensation, obtains the water and water paint mixture.
8. recovery system as described in claim 1, which is characterized in that vaporising device (7) is downward film evaporator, and is evaporated
Journey is two-effect evaporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352017.9U CN207413096U (en) | 2017-10-19 | 2017-10-19 | A kind of gas recovery system for mechanical equipment water paint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721352017.9U CN207413096U (en) | 2017-10-19 | 2017-10-19 | A kind of gas recovery system for mechanical equipment water paint |
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| Publication Number | Publication Date |
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| CN207413096U true CN207413096U (en) | 2018-05-29 |
Family
ID=62311901
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721352017.9U Expired - Fee Related CN207413096U (en) | 2017-10-19 | 2017-10-19 | A kind of gas recovery system for mechanical equipment water paint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694289A (en) * | 2017-10-19 | 2018-02-16 | 泉州市天龙环境工程有限公司 | A kind of gas recovery system and its recovery process for plant equipment water paint |
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2017
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107694289A (en) * | 2017-10-19 | 2018-02-16 | 泉州市天龙环境工程有限公司 | A kind of gas recovery system and its recovery process for plant equipment water paint |
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