CN208649789U - A kind of turbine tail vapour recycling system in paper making vacuum system - Google Patents

Abstract

The utility model relates to the turbine tail vapour recycling systems in a kind of paper making vacuum system, including turbine, tail vapour output pipe is connected on the tail vapor outlet of turbine, the exit branch of tail vapour output pipe is equipped with the first branch and second branch, first air door is installed in the first branch, the second air door is installed in second branch；The first branch includes the gas exhaust piping connecting with tail vapour output pipe, and gas exhaust piping is connected to atmosphere；Second branch includes reducer tee pipeline, and first interface connects tail vapour output pipe, and second interface connects recuperation of heat unit, and third interface connects air-supply unit, is separately connected fresh air input unit and exhaust fan unit on recuperation of heat unit；The outlet connection steam of air-supply unit heats unit, and steam heating unit is connected to dexter feeder vapour cover and paper web is dried.The utility model is recycled and is utilized to tail vapour, energy saving, and production cost is effectively reduced.

Description

A kind of turbine tail vapour recycling system in paper making vacuum system

Technical field

The utility model belongs to paper technology equipment technical field, and in particular to the turbine in a kind of paper making vacuum system Tail vapour recycling system.

Background technique

In paper industry, completion is mainly dried in the drying of paper web by hot wind, when drying paper web, by Gao Wenre The impact air-flow that wind is formed after being heated with blower is directly injected to wet web surface, and since hot wind heat is high, humidity is low, in addition having Higher flow velocity, therefore can effectively destroy paper surface steam boundary layer and absorb the moisture in paper web, it can accomplish drying Energy usage can be substantially reduced again；And the paper web of heated-air drying also has good flexibility, when wet web is held in papermaking fabric It holds in the palm and enters drying unit and carry out drying operation, the pulp fiber in wet web is in whole process almost not by external force Inhibit and generate internal stress, therefore the form of the pulp fiber in paper web remains original rarefaction, therefore after drying Paper web has good flexibility.

And heated completely by steam for drying the vapour cover ventilating system of paper web in the prior art, in paper machine, there is steaming Vapour dosage is big, so that the problem of causing big energy consumption, high production cost, is unfavorable for the sustainable development of society.

Utility model content

The technical problems to be solved in the utility model is just to provide the turbine tail vapour recycling in a kind of paper making vacuum system Using system, tail vapour is recycled and utilized, it is energy saving, production cost is effectively reduced.

In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:

Turbine tail vapour recycling system in a kind of paper making vacuum system, including being arranged in paper making vacuum system Turbine is connected with tail vapour output pipe, the outlet punishment of the tail vapour output pipe on the tail vapor outlet of the turbine The first branch and second branch have been installed, and the first air door is installed in the first branch, the second air door is installed in second branch； The first branch includes the gas exhaust piping connecting with tail vapour output pipe, and gas exhaust piping is connected to atmosphere；The second branch Including reducer tee pipeline, the first interface of reducer tee pipeline connects tail vapour output pipe, and the second of reducer tee pipeline connects Mouth connection recuperation of heat unit, the third interface connection air-supply unit of reducer tee pipeline, wherein be separately connected on recuperation of heat unit Fresh air input unit and exhaust fan unit；The outlet connection steam of air-supply unit heats unit, and steam heating unit is connected to Paper web is dried in dexter feeder vapour cover.

By using above-mentioned technical proposal, the first air door and the second air door are respectively set in the first branch and second branch, And by control the first air door and the second air door Push And Release, to select the flow channel of turbine tail vapour, in tail vapour heat compared with When few, directly pass through the first air door for tail vapour outlet；When heat is more in tail vapour, opens the second air door and recycles tail vapour, It is easy to operate；Recuperation of heat unit recycles tail vapour heat using its internal multiple recovery workshop, the heat recycled For heating the fresh air of fresh air delivery arrangement sucking, partial heat low temperature tail vapour after the recovery is arranged by exhaust fan unit again Into atmosphere, and the mixed gas for passing through recuperation of heat unit treated fresh air and tail vapour is then inhaled by the import of air-supply unit Enter, passes out to steam heating unit from air-supply machine set outlet after air-supply unit pressurization and further heat, steam heats unit By mixing air progressive solution, it is sent in paper machine vapour cover after reaching required temperature, passes through the recycling to heat in turbine tail vapour Utilize, greatly reduce steam consumption, thus realize it is energy-saving, it is economical and environmentally friendly.

Preferably, expansion connecting hose is installed on the turbine tail vapor outlet.

It by using above-mentioned technical proposal, expands connecting hose and is arranged on turbine tail vapor outlet, for air-flow vibration to be isolated Dynamic, reduce airstream vibration influences caused by turbine.

Preferably, muffler is installed on the tail vapour output pipe.

By using above-mentioned technical proposal, muffler is used to absorb making an uproar for tail vapour output pipe overdraught flow at high speed generation Sound improves working environment to reduce the pneumatic noise in tail vapour output pipe.

Preferably, spray equipment is set on the recuperation of heat unit.

By using above-mentioned technical proposal, spray equipment sprays the tail vapour entered in recuperation of heat unit, effectively inhales Toxic and harmful gas and some large dust particle particles in ending vapour etc., consequently facilitating the discharge safety of tail vapour.

Preferably, the steam heating unit includes the first steam heater and the second steam heater being arranged in series, And first steam heater and the second steam heater progressive solution setting.

By using above-mentioned technical proposal, the first steam heater and the second steam heater are in progressive solution, realization pair Mixed gas stepped heating, to meet different temperatures needed for technique.

Preferably, the tail vapour output pipe is equipped with temperature-detecting device, and the temperature-detecting device electrically connects respectively First air door and the second air door.

By using above-mentioned technical proposal, temperature-detecting device is used for the temperature of real-time detection the first air door and the second air door It spends, and controls the Push And Release of the first air door and the second air door by detection data, to select the flowing of turbine tail vapour logical Road, easy to detect, safe operation.

In conclusion the advantages of the utility model:

1. the recycling of heat, greatly reduces steam consumption in pair turbine tail vapour, to realize energy-saving, economy Environmental protection again；

2. turbine tail vapor outlet is equipped with expansion connecting hose, for airstream vibration to be isolated, reduce airstream vibration to turbine It is influenced caused by machine；

3. muffler is equipped on tail vapour output pipe, for absorbing the generation of tail vapour output pipe overdraught flow at high speed Noise is effectively improved working environment to reduce the pneumatic noise in tail vapour output pipe；

4. spray equipment is arranged on recuperation of heat unit, the tail vapour entered in recuperation of heat unit is sprayed, is effectively absorbed Toxic and harmful gas and the dust particles of some bulky grains in tail vapour etc., convenient for the safety dumping of tail vapour；

5. steam heating unit is arranged in series by multiple steam heaters, multiple steam heater progressive solution settings, from And progressive solution is carried out to mixed gas, different temperatures needed for meeting technique, Applicable temperature range is wide；

6. temperature-detecting device is arranged on tail vapour output pipe electrically connects the first air door and the second air door, it to be used for real-time detection The temperature of first air door and the second air door, and the Push And Release of the first air door and the second air door is controlled by detection data, thus Select the flow channel of turbine tail vapour, easy to control, safe operation.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of reducer tee pipeline in the utility model.

Appended drawing reference:

1, turbine；2, tail vapour output pipe；3, the first branch；4, second branch；5, the first air door；6, two air door；7, Gas exhaust piping；8, reducer tee pipeline；81, first interface；82, second interface；83, third interface；9, spray equipment；10, hot Recycle unit；11, air-supply unit；12, fresh air input unit；13, exhaust fan unit；14, steam heats unit；141, first Steam heater；142, the second steam heater；15, dexter feeder vapour cover；16, connecting hose is expanded；17, muffler；18, temperature is examined Survey device；19, steam condensate recovering device.

Specific embodiment

Embodiment:

A kind of turbine tail vapour recycling system in paper making vacuum system, as depicted in figs. 1 and 2, including setting exists Turbine 1 in paper making vacuum system, the tail vapor outlet of turbine 1 is equipped with expansion connecting hose 16, for airstream vibration to be isolated, Reduction is influenced as airstream vibration on caused by turbine 1, and tail vapour output pipe is connected on the tail vapor outlet of turbine 1 2, muffler 17 is installed, muffler 17 is for absorbing 2 overdraught high velocity stream movable property of tail vapour output pipe on tail vapour output pipe 2 Raw noise improves working environment, in tail vapour efferent duct so that the noise of 2 interior air-flow of tail vapour output pipe generation be effectively reduced The outlet top set on road 2 is equipped with the first branch 3 and second branch 4, and installs the first air door 5 in the first branch 3 respectively, the Second air door 6 is installed on two branches 4, and is additionally provided with temperature-detecting device 18 on tail vapour output pipe, temperature-detecting device 18 divides The first air door 5 and the second air door 6 are not electrically connected, pass through 18 real-time detection the first air door 4 of temperature-detecting device and the second air door 6 Temperature, and the switch of the first air door 4 and the second air door 6 is controlled by detection data, to select the flowing of 1 tail vapour of turbine Channel.

Specifically, the first branch 3 includes the gas exhaust piping 7 connecting with tail vapour output pipe 2, gas exhaust piping 7 then directly connects It is connected to atmosphere, when heat is less in 1 tail vapour of turbine, directly passes through the first branch 3 for tail vapour outlet.

Such as Fig. 2, second branch 4 includes reducer tee pipeline 8, and reducer tee pipeline 8 includes first interface 81, second interface 82 and third interface 83, wherein the aperture of first interface 81 is greater than the aperture of second interface 82, and the aperture of second interface 82 is greater than The aperture of third interface 83；The first interface 81 of reducer tee pipeline 8 connects tail vapour output pipe, and the of reducer tee pipeline 8 Two interfaces 82 connect recuperation of heat unit 10, the connection air-supply unit 11 of third interface 83 of reducer tee pipeline 8.

Spray equipment 9 is set on recuperation of heat unit 10, and 9 pairs of the spray equipment tail vapour entered in recuperation of heat unit 10 carry out Spray effectively absorbs toxic and harmful gas and dust particles etc. in tail vapour, convenient for the security exhaust of tail vapour, and recuperation of heat Unit 10 is also respectively connected with fresh air input unit 12 and exhaust fan unit 13, and recuperation of heat unit 10 utilizes multiple times of its inside Tail vapour heat is recycled between returning the vehicle to the garage and knock off, the heat recycled is used to heat the fresh sky that fresh air delivery arrangement 12 sucks Gas, partial heat tail vapour after the recovery pass through exhaust fan unit 13 again and are discharged in atmosphere, and treated by recuperation of heat unit 10 The mixed gas of fresh air and tail vapour is then sucked by the import of air-supply unit 11.

Mixed gas in suction draft unit 11 passes through pressurized treatments, the mixing after pressurized treatments in air-supply unit 11 Gas passes out to steam heating unit 14 from the outlet of air-supply unit 11 and further heats, and it includes being connected in series that steam, which heats unit 14, The first steam heater 141 and the second steam heater 142, and the first steam heater 141 and the second steam heater 142 Progressive solution setting, to mixing air progressive solution, is sent in dexter feeder vapour cover 15 after reaching required temperature, realizes to turbine The recycling of heat, greatly reduces steam consumption in 1 tail vapour, thus realize it is energy-saving, and in the first steam heater 141 It is equipped with steam condensate recovering device 19 on the second steam heater 142, condensed water is recycled, economic ring again It protects.

In addition to above preferred embodiment, for the utility model there are also other embodiments, those skilled in the art can root It is made various changes and modifications according to the utility model, without departing from the spirit of the utility model, should belong to the utility model Range defined in appended claims.

Claims (6)

1. the turbine tail vapour recycling system in a kind of paper making vacuum system, it is characterised in that: true in papermaking including being arranged Turbine in empty set system, is connected with tail vapour output pipe, the tail vapour output pipe on the tail vapor outlet of the turbine Exit branch be equipped with the first branch and second branch, and the first air door is installed in the first branch, is installed in second branch There is the second air door；The first branch includes the gas exhaust piping connecting with tail vapour output pipe, and gas exhaust piping is connected to atmosphere；Institute Stating second branch includes reducer tee pipeline, and the first interface of reducer tee pipeline connects tail vapour output pipe, reduced tee The second interface on road connects recuperation of heat unit, the third interface connection air-supply unit of reducer tee pipeline, wherein recuperation of heat unit On be separately connected fresh air input unit and exhaust fan unit；The outlet connection steam of air-supply unit heats unit, steam heating Unit is connected to dexter feeder vapour cover and paper web is dried.

2. the turbine tail vapour recycling system in a kind of paper making vacuum system according to claim 1, feature exist In: expansion connecting hose is installed on the turbine tail vapor outlet.

3. the turbine tail vapour recycling system in a kind of paper making vacuum system according to claim 2, feature exist In: muffler is installed on the tail vapour output pipe.

4. the turbine tail vapour recycling system in a kind of paper making vacuum system according to claim 1-3, It is characterized by: spray equipment is arranged on the recuperation of heat unit.

5. the turbine tail vapour recycling system in a kind of paper making vacuum system according to claim 4, feature exist In: the steam heating unit includes the first steam heater and the second steam heater being arranged in series, and the first steam adds Hot device and the setting of the second steam heater progressive solution.

6. the turbine tail vapour recycling system in a kind of paper making vacuum system according to claim 1, feature exist Temperature-detecting device is equipped in: the tail vapour output pipe, and the temperature-detecting device electrically connects the first air door and the respectively Two air doors.