CN207958855U - A kind of recycling system of papermaking drying tail gas - Google Patents
A kind of recycling system of papermaking drying tail gas Download PDFInfo
- Publication number
- CN207958855U CN207958855U CN201820286631.8U CN201820286631U CN207958855U CN 207958855 U CN207958855 U CN 207958855U CN 201820286631 U CN201820286631 U CN 201820286631U CN 207958855 U CN207958855 U CN 207958855U
- Authority
- CN
- China
- Prior art keywords
- water
- tail gas
- recycling system
- heat exchanger
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Paper (AREA)
Abstract
The utility model discloses the recycling systems that tail gas is dried in a kind of papermaking, include the gas emission device of papermaking drying, the air inlet of the gas emission device connection heat exchanger, the water inlet of the heat exchanger connects water supply line, and the water outlet of the heat exchanger is connected to the hot water storgae that sizing material prepares workshop by hot water pipeline；The gas outlet of the heat exchanger is connected by outlet pipe with washing pool, and the outlet pipe is deeply to the bottom of the washing pool；The utility model has the advantage of：The utilization rate of heat is improved, simple in structure, using effect is good, reduces use cost.
Description
Technical field
The utility model is related to a kind of device for recovering tail gas, specifically a kind of recycling system of papermaking drying tail gas
System, belongs to device for recovering tail gas field.
Background technology
In paper industry, after carrying out press dewatering after manufacturing paper with pulp by slurrying, deinking, bleaching, molding, need to carry out
Drying forming, drying portion needs to carry out the drying of paper using vapour system, wherein will produce a large amount of steam tail gas.It is entitled
" recycle device of tail gas is dried in papermaking " application No. is the Chinese utility model patents of " 201220234261.6 " to disclose
A kind of recycle device of papermaking drying tail gas, including gas emission device, further include heat exchanger, the exhaust emissions dress
The air inlet for connecting the heat exchanger is set, the water inlet of the heat exchanger connects fresh water pipeline, and the heat exchanger goes out
The mouth of a river is connected to hot water storgae by pipeline.However, when the device prepares hot water demand's amount of the hot water storgae in workshop in sizing material less,
Extra hot water is sent to the spray pond of net splenium, for cleaning net, undoubtedly causes the waste of heat in this way, reduces
The utilization ratio of heat.
Utility model content
To solve the above-mentioned problems, the utility model devises a kind of recycling system of papermaking drying tail gas, improves
The utilization rate of heat, simple in structure, using effect is good, reduces use cost.
The technical solution of the utility model is：
A kind of recycling system of papermaking drying tail gas includes the gas emission device of papermaking drying, the tail gas row
The air inlet of device connection heat exchanger is put, the water inlet of the heat exchanger connects water supply line, and the heat exchanger goes out
The mouth of a river is connected to the hot water storgae that sizing material prepares workshop by hot water pipeline；The gas outlet of the heat exchanger by outlet pipe with
Washing pool is connected, and the outlet pipe deeply to the bottom of the washing pool, purifies for the gas to discharge, absorbs it
In the impurity such as dust particles, avoid pollution air.Steam tail gas enters from the air inlet of heat-exchange tube, and clear water passes through water inlet
Into, then pass through water outlet export hot water to sizing material prepare workshop hot water storgae.One is connected in steam tail gas tapping equipment
Then heat exchanger is directly connected by pipeline, delivery to workshop is used, simple in structure, equipment cost is low.
Further, temperature sensor and water supply pipe are equipped in the hot water storgae, the water supply pipe is connected with water supply line,
The water supply pipe is equipped with control valve, and the output end of the temperature sensor is electrically connected with the controller, the controller and the control
Valve processed control is connected, when the temperature is excessively high, directly supplementing cold water, the water until reaching needs by water supply line in hot water storgae
Temperature stops supplying water.
Further, liquid level gauge is equipped in the hot water storgae, the output end of the liquid level gauge is connected with the controller,
Avoid water level excessively high.
Further, it is staggeredly distributed with several deflectors from bottom to top in the washing pool, improves water washing cleaning effect.
In addition, the outlet side of the washing pool is connected to gas-liquid separation device through exhaust pipe, the water that liquefaction obtains is carried out
Recycling, the gas isolated are emitted into air.
Further, the hot water pipeline is equipped with pneumatic control valve.Pneumatic control valve is exactly using compressed air as power
Driving valve using cylinder as actuator, and is removed in source by means of attachmentes such as electropneumatic valve positioner, converter, solenoid valve, guarantor's position valves
Door realizes that switching value or proportion expression are adjusted, has and control simple, rapid reaction, and is safe to use, is not required in addition take again explosion-proof
The advantages of measure.
Further, the water return outlet of the heat exchanger is also associated with clear water return pipe, the water outlet of the clear water return pipe
Mouth is connect with the water inlet.Clear water return pipe can allow carries out heat exchange by clear water using heat exchanger, and water temperature is made to obtain
It is promoted to further, to increase the utilization rate of steam tail gas, reduces the steam usage amount of hot water storgae.
The utility model has the advantage of：The utilization rate of heat is improved, simple in structure, using effect is good, and reducing makes
Use cost.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below, it should be understood that preferred embodiment described herein
It is only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1, a kind of recycling system of papermaking drying tail gas, includes the gas emission device of papermaking drying,
The air inlet 11 of the gas emission device connection heat exchanger 1, the water inlet 12 of the heat exchanger 1 connect water supply line,
The water outlet 13 of the heat exchanger 1 is connected to the hot water storgae 2 that sizing material prepares workshop by hot water pipeline；The heat exchanger 1
Gas outlet 14 be connected with washing pool 3 by outlet pipe, the outlet pipe deeply to the washing pool 3 bottom, be used for
The gas of discharge is purified, the impurity such as dust particles therein are absorbed, avoids pollution air.Steam tail gas is from heat-exchange tube
Air inlet enter, clear water entered by water inlet, is then passed through water outlet and is exported the hot water storgae that hot water prepares workshop to sizing material
2.Steam tail gas tapping equipment connect a heat exchanger 1, then directly connected by pipeline, delivery to use vehicle
Between, simple in structure, equipment cost is low.
Temperature sensor and water supply pipe are equipped in the hot water storgae 2, the water supply pipe is connected with water supply line, the moisturizing
Pipe is equipped with control valve, and the output end of the temperature sensor is electrically connected with the controller, and the controller is controlled with the control valve
It is connected, when the temperature is excessively high, directly supplementing cold water by water supply line in hot water storgae 2, the water temperature until reaching needs stops
It supplies water.
Liquid level gauge is equipped in the hot water storgae 2, the output end of the liquid level gauge is connected with the controller, avoids water level mistake
It is high.
It is needed after papermaking drying by being glued workshop section, what sizing material prepared that the hot water storgae 2 in workshop is added is 20 DEG C or so low
Warm clear water needs addition saturated vapor that low temperature clear water water temperature is improved to 85 DEG C and could be used, and the steam of drying portion discharge contains
There is a large amount of thermal energy, low temperature clear water is become by heat exchanger 1 by high-temperature-hot-water, temperature can be more than 50 DEG C, it might even be possible to reach
Reach energy-efficient effect to the temperature directly used to effectively reduce the usage amount of 2 saturated vapor of hot water storgae.
Several deflectors are staggeredly distributed in the washing pool 3 from bottom to top, improve water washing cleaning effect.In addition, institute
The outlet side for stating washing pool is connected to gas-liquid separation device through exhaust pipe, and the water obtained to liquefaction recycles, the gas isolated
Body is emitted into air.
The hot water pipeline is equipped with pneumatic control valve 4.Pneumatic control valve is exactly using compressed air as power source, with cylinder
For actuator, and by means of electropneumatic valve positioner, converter, solenoid valve, protect the attachmentes such as position valve and remove driving valve, realize switch
Amount or proportion expression are adjusted, and have control simply, rapid reaction, and safe to use, the advantages of being not required in addition take explosion precaution again,
Here pneumatic control valve can be adjusted according to the liquid level of hot water storgae hot water, and under normal circumstances, pneumatic control valve is in and beats
Open state.
The hot water pipeline is equipped with manual modulation valve 5, convenient for manually controlling.
The hot water pipeline is equipped with temperature transmitter 6, and temperature transmitter 6, which can incude from heat exchanger 1, carries out hot friendship
Then water temperature after alternatively is adjusted according to the case where water temperature.
The water return outlet 15 of the heat exchanger 1 is also associated with clear water return pipe, the water outlet of the clear water return pipe and institute
Water inlet 12 is stated to be connected.Clear water return pipe can allow carries out heat exchange by clear water using heat exchanger 1, and water temperature is made to obtain
It is further to be promoted, to increase the utilization rate of steam tail gas, reduce the steam usage amount of hot water storgae.
Claims (7)
1. a kind of recycling system of papermaking drying tail gas, it is characterised in that：Include the gas emission device of papermaking drying, institute
The air inlet of gas emission device connection heat exchanger is stated, the water inlet of the heat exchanger connects water supply line, and the heat is handed over
The water outlet of parallel operation is connected to the hot water storgae that sizing material prepares workshop by hot water pipeline；The gas outlet of the heat exchanger is by going out
Feed channel is connected with washing pool, and the outlet pipe is deeply to the bottom of the washing pool.
2. a kind of recycling system of papermaking drying tail gas according to claim 1, it is characterised in that：The hot water storgae
Interior to be equipped with temperature sensor and water supply pipe, the water supply pipe is connected with water supply line, and the water supply pipe is equipped with control valve, the temperature
The output end of degree sensor is electrically connected with the controller, and the controller is connected with control valve control.
3. a kind of recycling system of papermaking drying tail gas according to claim 2, it is characterised in that：The hot water storgae
Interior to be equipped with liquid level gauge, the output end of the liquid level gauge is connected with the controller.
4. a kind of recycling system of papermaking drying tail gas according to claim 1, it is characterised in that：The washing pool
It is inside staggeredly distributed with several deflectors from bottom to top.
5. a kind of recycling system of papermaking drying tail gas according to claim 4, it is characterised in that：The washing pool
Outlet side be connected to gas-liquid separation device through exhaust pipe.
6. a kind of recycling system of papermaking drying tail gas according to claim 1, it is characterised in that：The hot-water line
Road is equipped with pneumatic control valve.
7. a kind of recycling system of papermaking drying tail gas according to claim 1, it is characterised in that：The heat exchange
The water return outlet of device is also associated with clear water return pipe, and the water outlet of the clear water return pipe is connect with the water inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820286631.8U CN207958855U (en) | 2018-03-01 | 2018-03-01 | A kind of recycling system of papermaking drying tail gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820286631.8U CN207958855U (en) | 2018-03-01 | 2018-03-01 | A kind of recycling system of papermaking drying tail gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207958855U true CN207958855U (en) | 2018-10-12 |
Family
ID=63740401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820286631.8U Expired - Fee Related CN207958855U (en) | 2018-03-01 | 2018-03-01 | A kind of recycling system of papermaking drying tail gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207958855U (en) |
-
2018
- 2018-03-01 CN CN201820286631.8U patent/CN207958855U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103938483B (en) | A kind of paper humidifying equipment on paper machine | |
| CN101957125B (en) | Multiple-effect vacuum continuous drying equipment | |
| CN104132541B (en) | A kind of flue gas waste heat recovery and gradient utilization system | |
| CN207958855U (en) | A kind of recycling system of papermaking drying tail gas | |
| CN101564200B (en) | Tobacco redrying energy-saving technique and energy-saving device of redrying machine thereof | |
| CN210409552U (en) | Drying tower for producing polyaluminium chloride | |
| CN204756890U (en) | Steam condensate water cyclic utilization system | |
| CN207031382U (en) | A kind of regeneration gas waste heat recovering energy conserving device for being related to molecular sieve drying system | |
| CN207507229U (en) | The absorption drier that regeneration gas recycles | |
| CN206325764U (en) | A kind of special-shaped material surface processing equipment exhaust apparatus | |
| CN206199237U (en) | A kind of polyaluminium chloride production system | |
| CN202688768U (en) | Device for recycling papermaking drying tail gas | |
| CN201780001U (en) | Heating coil steam recoverer of waste heat power generation system | |
| CN205002538U (en) | Integral type waste heat recovery drying device | |
| CN107857270A (en) | A kind of silica powder drying and nitrogen gas recovering apparatus | |
| CN103743212A (en) | Waste heat energy saving automatic humidification and drying line | |
| CN209322919U (en) | Environment-friendly white-removing treatment and waste heat utilization system for blast furnace slag | |
| CN208260476U (en) | A kind of absorption drier the mount of using heat recyclable device | |
| CN207472105U (en) | The waste-heat recovery device of wood drying kiln | |
| CN202610286U (en) | Nitrogen-hydrogen mixture humidification system | |
| CN215063814U (en) | Energy-saving and efficiency-increasing system of steam calcining furnace | |
| CN110411233A (en) | A kind of method and system using steam-cured waste vapour multistage steam water separated heating waste pulp | |
| CN205603492U (en) | Pipe bundle drier top waste heat utilization device in starch maize processing | |
| CN203878413U (en) | Paper humidifying equipment of paper machine | |
| CN220710391U (en) | Polar plate solidification waste heat recycling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181012 |