CN209696597U - A kind of mesh mist eliminator - Google Patents

Abstract

The utility model discloses a kind of mesh mist eliminators, including successively vertically disposed condensate pipe from the bottom up, first demisting pipe, exhaust pipe, mounting base is additionally provided on condensate pipe and exhaust pipe, condensate pipe, pass through flanged joint between first demisting pipe and exhaust pipe, condensate pipe, first demisting pipe is consistent with the caliber of exhaust pipe, the side wall of condensate pipe is equipped with mixture and enters pipe, the bottom of condensate pipe is equipped with water-supply-pipe, the top of exhaust pipe is equipped with fixed gas gas outlet, the side wall of exhaust pipe is equipped with fixed gas sample tap, first demisting pipe includes connecting tube, the demisting net being located in connecting tube, the internal diameter and height of first demisting pipe are than being 1:1.5, it is located at mixture on condensate pipe and enters pipe to forming storage area between water-supply-pipe, the water being discharged not in time condensed in mesh mist eliminator is stored in storage area.Harmful substance is brought the problems in into atmosphere during effective solution discharge steam and on-condensible gas, and structure is simple, discharge safety, and defogging effect is good.

Description

A kind of mesh mist eliminator

Technical field

The utility model relates to nuclear power station waste gas condensation defogging equipment fields, and in particular to a kind of mesh mist eliminator.

Background technique

During nuclear power station operation, some on-condensible gases and steam with microscale harmful substance can be generated, it is this kind of On-condensible gas and steam are during being discharged to atmosphere, if long-term externally discharge, is easy to make the surrounding air of exhaust outlet And environment generates certain influence, therefore, it is necessary to the harmful substances in the on-condensible gas and steam to discharge to handle.

Utility model content

A kind of silk screen demisting is provided in order to solve certain or certain technical problems, the utility model existing in the prior art Device brings harmful substance the problems in into atmosphere during effective solution discharge steam and on-condensible gas, and structure is simple, Discharge safety, defogging effect is good, convenient for disassembly and assembly.

In order to solve the above-mentioned prior art problems, the utility model uses following scheme:

A kind of mesh mist eliminator, including successively vertically disposed condensate pipe, the first demisting pipe, exhaust pipe from the bottom up, institute It states and is additionally provided with mounting base on condensate pipe and the exhaust pipe, pass through method between the condensate pipe, the first demisting pipe and exhaust pipe Orchid connection, the condensate pipe, the first demisting pipe are consistent with the caliber of exhaust pipe, the side wall of the condensate pipe be equipped with mixture into Enter pipe, the bottom of the condensate pipe is equipped with water-supply-pipe, and the top of the exhaust pipe is equipped with fixed gas gas outlet, the exhaust pipe Side wall is equipped with fixed gas sample tap, and the first demisting pipe includes connecting tube, the demisting net being located in the connecting tube, described The internal diameter and height of first demisting pipe are located at the mixture on the condensate pipe and enter pipe to the water-supply-pipe than being 1:1.5 Between form storage area, the water being discharged not in time condensed in the mesh mist eliminator is stored in the storage area.

Further, it is one end peace that the mixture, which enters pipe, water-supply-pipe, fixed gas gas outlet and fixed gas sample tap, The pipeline of flange is filled, the mixture enters pipe and the axis of fixed gas sample tap is vertical with the axis of the condensate pipe, described The axis of fixed gas gas outlet and water-supply-pipe is overlapped with the axis of the exhaust pipe, and the mixture enters pipe, fixed gas outlet The pipe diameter of mouth and fixed gas sample tap is the 1/4 of the condensate pipe diameter, and the pipe diameter of the water-supply-pipe is described solidifying The 1/5 of water pipe diameter.

Further, secondary demisting section, the secondary demisting section are equipped between the first demisting pipe and the exhaust pipe The separator tube that is mounted on the first demisting pipe including bottom, second be located between the separator tube and the exhaust pipe remove Mist pipe.

Further, the both ends flange connections of the first demisting pipe and the second demisting pipe are equipped with a support frame, The both ends of the demisting net are fixed in the connecting tube by support frame as described above.

Further, support frame as described above include both ends be fixedly clamped by flange positioning ring, be located in the positioning ring Intersecting parallels grid support item, the both ends of the demisting net support item to clamp by the grid.

Further, the demisting net is superimposed or is entwined by stainless steel wire.

Further, the peripheral hardware of the condensate pipe is equipped with the condenser that fast cooling is carried out to it.

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

The gas and steam that nuclear power station discharges outward are entered after pipe enters condensate pipe by mixture to condense into naturally Water droplet is discharged after falling downwards from water-supply-pipe, and water droplet can also drive harmful on-condensible gas of a part to melt during condensation The carrying vapour and other on-condensible gases for entering in water and being discharged, and condense not in time can be then filtered by the first demisting pipe, when For steam when contacting with demisting net, what devaporation Cheng Shuihou formed multilayer crosses drainage and online, the band nuisance that is adhered to demisting The on-condensible gas of matter again online mobile when, effective quickly filtering can be carried out by demisting net and water mist, to make to discharge Gas to fixed gas gas outlet is more environmentally-friendly, meets discharge standard after pernicious gas is discharged, the internal diameter of the first demisting pipe with Height, when it is internal fills full demisting net, can make its filter effect reach best than being 1:1.5, and lean on exhaust pipe There are one fixed gas sample taps at nearly fixed gas gas outlet, after being sampled by fixed gas sample tap to discharge gas, also It can be used for quickly detecting, demisting pipe is enable timely to replace when filter effect is bad, the both ends of demisting pipe are logical Flanged joint is crossed, when needing to replace it, convenient disassembly, replacement is easy, effective solution discharge steam and does not coagulate Harmful substance is brought the problems in into atmosphere during gas, and structure is simple, discharge safety, and defogging effect is good.

Detailed description of the invention

Fig. 1 is the main view of the utility model；

Fig. 2 is the top view of the utility model support frame；

In figure: water-supply-pipe 1, mounting base 2, condensate pipe 3, secondary demisting section 4, the second demisting pipe 5, exhaust pipe 6, fixed gas go out Port 7, fixed gas sample tap 8, controlled valve 9, separator tube 10, connecting tube 11, the first demisting pipe 12, demisting net 13, condenser 14, mixture enters pipe 15, supports item 19 at storage area 16, support frame 17, positioning ring 18, grid.

Specific embodiment

In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new Embodiment.

As illustrated in figs. 1 and 2, a kind of mesh mist eliminator, including successively vertically disposed condensate pipe 3, first from the bottom up Demisting pipe 12, exhaust pipe 6 are additionally provided with mounting base 2, the condensate pipe 3, the first demisting on the condensate pipe 3 and the exhaust pipe 6 By flanged joint between pipe 12 and exhaust pipe 6, the condensate pipe 3, the first demisting pipe 12 are consistent with the caliber of exhaust pipe 6, The side wall of the condensate pipe 3 is equipped with mixture and enters pipe 15, and the bottom of the condensate pipe 3 is equipped with water-supply-pipe 1, the exhaust pipe 6 top is equipped with fixed gas gas outlet 7, and the side wall of the exhaust pipe 6 is equipped with fixed gas sample tap 8, the first demisting pipe 12 include connecting tube 11, the demisting net 13 being located in the connecting tube 11, and internal diameter and the height ratio of the first demisting pipe 12 are 1:1.5 is located at the mixture on the condensate pipe 3 and enters pipe 15 to forming storage area 16, the silk between the water-supply-pipe 1 The water being discharged not in time condensed in net demister is stored in the storage area；The mixture enter pipe 15, water-supply-pipe 1, Fixed gas gas outlet 7 and fixed gas sample tap 8 are the pipeline of one end mounting flange, and the mixture enters pipe 15 and fixed gas The axis of sample tap 8 is vertical with the axis of the condensate pipe 3, the axis of the fixed gas gas outlet 7 and water-supply-pipe 1 and the row The axis of tracheae 6 is overlapped, and the mixture enters the pipe diameter of pipe 15, fixed gas gas outlet 7 and fixed gas sample tap 8 for institute The 1/4 of 3 diameter of condensate pipe is stated, the pipe diameter of the water-supply-pipe 1 is the 1/5 of 3 diameter of condensate pipe；The first demisting pipe Secondary demisting section 4 is equipped between 12 and the exhaust pipe 6, the secondary demisting section 4 includes that bottom is mounted on first demisting Separator tube 10 on pipe 12, the second demisting pipe 5 being located between the separator tube 10 and the exhaust pipe 6；First demisting The both ends flange connections of pipe 12 and the second demisting pipe 5 are equipped with a support frame 17, and the both ends of the demisting net 13 pass through institute Support frame 17 is stated to be fixed in the connecting tube 11；Support frame as described above 17 includes the positioning ring that both ends are fixedly clamped by flange 18, the intersecting parallels grid being located in the positioning ring 18 supports item 19, and the both ends of the demisting net 13 are supported by the grid Item 19 clamps；The demisting net 13 is superimposed or is entwined by stainless steel wire；The peripheral hardware of the condensate pipe 3, which is equipped with, carries out it The condenser 14 of fast cooling.

In actual use, one is formed by flanged joint between condensate pipe 3, the first demisting pipe 12 and exhaust pipe 6 The upward exhaust pipe 6 of root, condensate pipe 3 and exhaust pipe 6 are mounted on other objects by mounting base 2, and the first demisting pipe 12 is logical Flange to be crossed to fix, the steam and on-condensible gas that nuclear power station needs to discharge outward are connected to mixture by flange and enter on 15 mouthfuls of pipe, During steam and on-condensible gas flow up, the part macromolecular water mist in steam just condenses after entering condensate pipe 3 Fallen downwards at water droplet, can take away the harmful substance in the on-condensible gas of a part during falling, and it is most of and not and When the on-condensible gas that condenses and during steam moves up, directly contact, pass through with the demisting net 13 in the first demisting pipe 12 Demisting net 13 carries out natural filtration condensation to steam, since the internal diameter and height of the first demisting pipe 12 are than being 1:1.5, demisting net 13 Full entire connecting tube 11 is filled, the overwhelming majority filtering to water from steam point can be realized by the demisting net 13 of this height, And have a large amount of bottom due to condensing in demisting net 13, to make demisting net 13 form a filtered water level in itself, when not It, being capable of the significantly more efficient nuisance in on-condensible gas by the water droplet in demisting net 13 during solidifying gas flows up Matter is absorbed, so that the gas being discharged into exhaust pipe 6 be made to achieve the effect that environmental protection, the water droplet in demisting net 13 is run up to centainly It falling in water-supply-pipe 1 and is discharged under after degree, mixture enters between pipe 15 and water-supply-pipe 1 at a distance of certain height, When droplets form is very fast and discharge outlet is discharged not in time, water can be stored in storage area and be buffered, and in exhaust pipe 6 Upper there are one fixed gas sample taps 8 at fixed gas gas outlet 7, are taken by fixed gas sample tap 8 to discharge gas After sample, additionally it is possible to it is used for quickly detecting, demisting pipe is enable timely to replace when filter effect is bad, the two of demisting pipe End is by flanged joint, when needing to replace it, convenient disassembly, replacement is easy, effective solution discharge steam And harmful substance is brought the problems in into atmosphere during on-condensible gas, structure is simple, discharge safety, and defogging effect is good.

Further, the mixture enters pipe 15, water-supply-pipe 1, fixed gas gas outlet 7 and fixed gas sample tap 8 and is The pipeline of one end mounting flange, it is more convenient when needing to connect with other pipelines or equipment, and mixture enters 15 He of pipe The axis of fixed gas sample tap 8 is vertical with the axis of the condensate pipe 3, will not be directly from fixed gas when gas discharges upwards Sample tap 8 is discharged, and water droplet will not flow back into mixture again and enter in pipe 15, and the axis of fixed gas gas outlet 7 and water-supply-pipe 1 It is overlapped with the axis of the exhaust pipe 6, the mass rate of emission of water and gas can be made faster, meanwhile, mixture enters pipe 15, does not coagulate The pipe diameter of gas gas outlet 7 and fixed gas sample tap 8 is the 1/4 of 3 diameter of condensate pipe, and air inlet and outlet can be made to reach one Balance, meanwhile, the condensation of on-condensible gas and steam and defogging effect into entrance are more preferable, and the pipe diameter of water-supply-pipe 1 is solidifying The 1/5 of 3 diameter of water pipe, since water droplet is less and discharge output is very fast, pipe diameter can be smaller.

And it is mounted with a secondary demisting section 4 again between the first demisting pipe 12 and exhaust pipe 6, when some special situations Under when leading to discharge amount and larger density, effective harmful substance be unable to reach by the first demisting pipe 12 and is excluded, and directly right The problem of being easy to appear poor air permeability again after the superposition of the progress height of demisting net 13, therefore, has in the upper end of the first demisting pipe 12 One section of separator tube 10 and a second demisting pipe 5, the structure one of the second demisting pipe 5 and the first demisting pipe 12 have been connect by flange It causes, after gas is continued to move up by the first demisting pipe 12, secondary filter can be carried out by the second demisting pipe 5, thus Qualified discharge standard is reached, gas fluidity is more preferable.

Further, a support is mounted in the both ends flange connections of the first demisting pipe 12 and the second demisting pipe 5 The both ends of frame 17, demisting net 13 are fixed in connecting tube 11 by support frame 17, when needing to replace demisting net 13, more Add conveniently, can be ejected by one end one end Xiang Linwai, and cleaning is more convenient, production cost is low, especially when demisting net 13 by stainless steel wire superposition or when being entwined, in the long-term use, are easy to appear iron rust or dirt, pass through one two Perforative direct piping structure is held, it is more convenient in cleaning.

Further, when installing to support frame 17, support frame 17 itself is fixedly clamped by two flanges, from And making the better tightness of pipeline, dismounting is also more convenient, meanwhile, support item 19 right by the intersecting parallels grid in positioning ring 18 Demisting net 13 is supported and limits, and the gas permeability of demisting net 13 can be made more preferable.

Meanwhile during steam and on-condensible gas move up, due to containing heat in steam, it will lead to silk screen and remove Day with fog entirely generates heat, and when the temperature is excessively high, then steam condensation low efficiency is imitated especially at the first demisting pipe 12 when condensing When rate is low, then therefore the filtering for being easy to influence pernicious gas sets one in the outer end ring of condensate pipe 3 and carries out fast cooling to it Condenser 14, condenser 14 when condenser 14 generates cooling to condensate pipe 3, can make high temperature close to the first demisting pipe 12 First demisting pipe 12 of state and the temperature of condensate pipe 3 are lower, and more preferable to the cooling effect of steam, condensation efficiency is higher, does not coagulate Gas sample tap 8 is equipped with controlled valve 9, and general controlled valve 9 is in close state, and when needing to sample, can pass through unlatching Valve carries out the sample examination of gas, and structure is simpler, samples convenient, flexible.

Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to In the utility model range claimed.

Claims (7)

1. a kind of mesh mist eliminator, it is characterised in that: including from the bottom up successively vertically disposed condensate pipe, the first demisting pipe, Exhaust pipe is additionally provided with mounting base on the condensate pipe and the exhaust pipe, between the condensate pipe, the first demisting pipe and exhaust pipe By flanged joint, the condensate pipe, the first demisting pipe are consistent with the caliber of exhaust pipe, and the side wall of the condensate pipe is equipped with Mixture enters pipe, and the bottom of the condensate pipe is equipped with water-supply-pipe, and the top of the exhaust pipe is equipped with fixed gas gas outlet, described The side wall of exhaust pipe is equipped with fixed gas sample tap, and the first demisting pipe includes connecting tube, is located at removing in the connecting tube Mist net, the internal diameter and height of the first demisting pipe are located at the mixture on the condensate pipe and enter pipe to institute than being 1:1.5 It states and forms storage area between water-supply-pipe, the water being discharged not in time condensed in the mesh mist eliminator is stored in the storage area It is interior.

2. a kind of mesh mist eliminator according to claim 1, it is characterised in that: the mixture enters pipe, water-supply-pipe, no Solidifying gas gas outlet and fixed gas sample tap are the pipeline of one end mounting flange, and the mixture enters pipe and fixed gas sample tap Axis it is vertical with the axis of the condensate pipe, the axis of the axis of the fixed gas gas outlet and water-supply-pipe and the exhaust pipe It is overlapped, the pipe diameter that the mixture enters pipe, fixed gas gas outlet and fixed gas sample tap is the condensate pipe diameter 1/4, the pipe diameter of the water-supply-pipe is the 1/5 of the condensate pipe diameter.

3. a kind of mesh mist eliminator according to claim 1, it is characterised in that: the first demisting pipe and the exhaust pipe Between be equipped with secondary demisting section, the secondary demisting section include bottom be mounted on the first demisting pipe separator tube, be located at The second demisting pipe between the separator tube and the exhaust pipe.

4. a kind of mesh mist eliminator according to claim 3, it is characterised in that: the first demisting pipe and the second demisting pipe Both ends flange connections be equipped with a support frame, the both ends of the demisting net are fixed on the connection by support frame as described above In pipe.

5. a kind of mesh mist eliminator according to claim 4, it is characterised in that: support frame as described above includes that both ends pass through flange The positioning ring being fixedly clamped, the intersecting parallels grid being located in the positioning ring support item, and the both ends of the demisting net pass through described Grid supports item to clamp.

6. a kind of mesh mist eliminator according to claim 1, it is characterised in that: the demisting net by stainless steel wire be superimposed or It is entwined.

7. a kind of mesh mist eliminator according to claim 4, it is characterised in that: the peripheral hardware of the condensate pipe is equipped with to it Carry out the condenser of fast cooling.