CN208512196U - A kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve - Google Patents
A kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve Download PDFInfo
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- CN208512196U CN208512196U CN201821060446.3U CN201821060446U CN208512196U CN 208512196 U CN208512196 U CN 208512196U CN 201821060446 U CN201821060446 U CN 201821060446U CN 208512196 U CN208512196 U CN 208512196U
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- waste heat
- molecular sieve
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- steam
- collecting tank
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Abstract
The utility model belongs to waste heat cyclic utilization field, and in particular to a kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve.The spent hot waters such as steam condensate or pneumatics cooling water that the utility model is exhausted originally with plant area are collected, control, handle, it realizes to molecular sieve continuous-stable heat supply, it is finally reached the purpose that VOCs molecular sieve pretreatment unit reheating operating cost reduces, this method control simply, conveniently, can greatly reduce the energy consumption of VOCs molecular sieve pretreatment system.
Description
Technical field
The utility model belongs to waste heat cyclic utilization field, and in particular to a kind of to pre-process heating for VOCs molecular sieve
Waste Heat Reuse and control energy conserving system.
Background technique
The Wind Volume bottom concentration VOCs exhaust gas that pharmaceutical industry technique production at present generates mainly uses VOCs molecular sieve to handle
Technology, molecular sieve entrance have certain requirement to the temperature and humidity etc. of exhaust gas, and pretreatment unit is to solve temperature and humidity for molecular sieve
It is configured Deng requirement, exhaust gas needs to reduce its entrance using reheating mode in pretreatment unit relatively wet after cooling is dried
Degree, hot mode is that steam heats or electric heating, energy-output ratio are bigger to tradition again at present.
Utility model content
In order to solve above-mentioned problems of the prior art, the utility model provides one kind and is used for the utility model
The Waste Heat Reuse and control energy conserving system of VOCs molecular sieve pretreatment heating, the steam condensate or pneumatics exhausted originally with plant area
The spent hot waters such as cooling water are collected, control, handle, and realize to molecular sieve continuous-stable heat supply, are finally reached VOCs molecular sieve
The purpose that unit reheating operating cost reduces is pre-processed, this method control simply, conveniently, it is pre- can to greatly reduce VOCs molecular sieve
The energy consumption of processing system.
The specific technical solution that the utility model uses is:
A kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve, including waste heat water collecting tank
And be connected to waste heat water collecting tank into pipe line, send pipe line and selection backheat pipeline, it is described to be set into pipe line and heat supply
Standby connection, water inlet end and the water outlet for sending pipe line and backheat pipeline is selected to pre-process unit with VOCs molecular sieve respectively
Connection, the selection backheat pipeline include being connected to exist in the water return pipeline of VOCs molecular sieve pretreatment unit water outlet, connection
The reflux line of waste heat water collecting tank and for spent hot water discharge drainage pipeline, the water return pipeline respectively with reflux line
And drainage pipeline is connected to, and is provided with return flow adjusting control valve on the reflux line, is arranged on the drainage pipeline
Have drain discharge adjusting control valve, be provided with temperature controller on the water return pipeline, the temperature controller respectively with
Return flow adjusting control valve and the connection of drain discharge adjusting control valve.
Fluid level controller, the output end of the fluid level controller and temperature control are provided in the waste heat water collecting tank
The input terminal of device processed is connected to.
The waste heat water collecting tank is also communicated with steam reheat circuit, and the steam reheat circuit includes steam
General pipeline and the thermograph that waste heat water collecting tank is arranged in control alarm, are provided with steam stop valve in the main steam range
And steam control valve, the control output end of the thermograph control alarm are electrically connected with steam stop valve and steam control valve
It connects.
Described sending is provided with heat pump on pipe line, the heat pump is provided with two groups parallel.
It is described send to be additionally provided on pipe line send hot-fluid adjustable valve.
What is be arranged on waste heat water collecting tank has fluid level controller to connect to form interlocking with temperature controller, and control connects respectively
Connect the drain discharge adjusting control valve being arranged on the return flow adjusting control valve and drainage pipeline being arranged on reflux line.
The beneficial effects of the utility model are:
The utility model collects workshop spent hot water using waste heat water collecting tank, when the heating for carrying out pretreatment unit
When, by sending pipe line to send out hot water, realize being needed with heat for pretreatment unit, the selection backheat pipeline of setting realizes pair
With the Selection utilization again of processing unit return water, switching side is flowed back and drained according to the temperature of return water and come enthusiastic condition flexible choice
Formula improves system stability and the heat consumption and water content consumption of factory is greatly saved, improves economic benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is connection schematic diagram when the utility model is used；
In attached drawing, 1, waste heat water collecting tank, 2, into pipe line, 3, water return pipeline, 4, reflux line, 5, drainage pipeline, 6,
Return flow adjusting control valve, 7, drain discharge adjusting control valve, 8, temperature controller, 9, fluid level controller, 10, steam it is total
Pipe, 11, thermograph control alarm, 12, steam stop valve, 13, steam control valve, 14, heat pump, 15, send heat flow tune
Save valve.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail:
Specific embodiment is as shown in Figures 1 and 2, and the utility model is a kind of for the useless of VOCs molecular sieve pretreatment heating
Heat utilization and control energy conserving system, including waste heat water collecting tank 1 and be connected to waste heat water collecting tank 1 into pipe line 2, send heat pipe
Road and selection backheat pipeline, described to be connected into pipe line 2 with heating equipment, described send pipe line and selection backheat pipeline point
It is not connected to the water inlet end of VOCs molecular sieve pretreatment unit with water outlet, the selection backheat pipeline includes connection in VOCs
Molecular sieve pre-processes the water return pipeline 3 of unit water outlet, connection in the reflux line 4 of waste heat water collecting tank 1 and for spent hot water
The drainage pipeline 5 of discharge, the water return pipeline 3 are connected to reflux line 4 and drainage pipeline 5 respectively, the reflux line 4
On be provided with return flow adjusting control valve 6, drain discharge adjusting control valve 7 is provided on the drainage pipeline 5, it is described
Be provided with temperature controller 8 on water return pipeline 3, the temperature controller 8 respectively with return flow adjusting control valve 6 and draining
Flow regulating and controlling valve 7 is electrically connected.Fluid level controller 9, the fluid level controller are provided in the waste heat water collecting tank 1
9 output end is connected to the input terminal of temperature controller 8.
It is pre-processed in VOCs molecular sieve and is equipped with a set of temperature online instrument on the selection product heat cal rod road after set heat exchange use,
Including the temperature controller 8 for monitoring water temperature in water return pipeline 3, the liquid for monitoring liquid level in waste heat water collecting tank 1
Level controller 9, if temperature controller 8 monitors return water temperature lower than setting value, no second heat, which recycles, to be worth, and liquid level control
1 level value of waste heat water collecting tank that device 9 processed monitors also not within the scope of setting low value, then opens row by temperature controller 8
The spent hot water of reflux is drained into plant area's waste heat water pipeline by drainage pipeline 5 by water flow adjusting control valve 7, collect to it is subsequent its
He uses；Conversely, if return water temperature is higher, there is larger second heat to recycle value, while 1 liquid level of waste heat water collecting tank is not yet
Again at high-order draining liquid level, then return water enters the progress secondary cycle benefit of waste heat water collecting tank 1 partially or completely through reflux line 4
With.In the draining of water return pipeline and reflux line, it is equipped with a set of two regulating valves, that is, return flow adjusting control valve 6, draining
Flow regulating and controlling valve 7 is set by the dynamic of reflux ratio, to realize the auto-changeover control and dynamic ratio of its reflux or draining
Example is adjusted, and the temperature controller 8 uses temperature controller, is had the input of Multi-channel monitoring signal and is controlled signal output, tool
There is feature low in cost, easy to use.In entire control system, spent hot water's return water is collected according to return water temperature and spent hot water
The reflux ratio dynamic regulation of the multi-parameters such as tank liquid level, the autocontrol modes such as temperature control of waste heat water recovery tank are all patrolled using computer
It collects and calculates, intelligence control system.
Further, the waste heat water collecting tank 1 is also communicated with steam reheat circuit, and the steam reheats back
Road includes main steam range 10 and the thermograph control alarm 11 that waste heat water collecting tank 1 is arranged in, the main steam range 10
On be provided with steam stop valve 12 and steam control valve 13, the control output end of the thermograph control alarm 11 and steaming
Vapour stop valve 12 and steam control valve 13 are electrically connected.
Workshop spent hot water is by flowing into waste heat water collecting tank 1 into pipe line 2, and the buffer storage in waste heat water collecting tank 1,
It is equipped with temperature in this waste heat water collecting tank 1 and liquid level on-line checking, teletransmission control instrument thermograph control alarm 11；When useless
When waste heat water temperature is lower than lower bound setting value in hot-water collection tank 1, thermograph control alarm 11 automatically opens jet chimney
Steam stop valve 12 heats up, and the temperature monitoring of alarm 11 is controlled by thermograph, automatic according to desired temperature
13 aperture of steam control valve is adjusted, water temperature is in reasonable interval in maintenance tank；When temperature is higher than high limit setting value in tank, closes and steam
Vapour stop valve 12 and steam control valve 13.
Further, what is be arranged on waste heat water collecting tank 1 has fluid level controller 9 to connect formation interlocking with temperature controller 8,
And the blowdown stream being arranged on the return flow adjusting control valve 6 and drainage pipeline 5 being arranged on control connection reflux line 4 respectively
Measure adjusting control valve 7.
Further, described send is provided with heat pump 14 on pipe line, and the heat pump 14 is provided with two groups parallel.
The hot water stored in collecting tank sets delivery to the pretreatment of VOCs exhaust gas by heat pump 14 (constant pressure frequency conversion, the using and the reserved)
It is used at standby reheating unit, reheating is carried out to VOCs exhaust gas to realize；It is described send to be additionally provided on pipe line send heat flow tune
Save valve 15.By the exhaust gas temperature and humidity at on-line checking VOCs exhaust gas pre-processing device outlet conduit, come by temperature controller
Automatic interlock adjusts the valve opening for sending hot-fluid adjustable valve 15, to realize the automatic control of VOCs exhaust gas pretreatment heat exchange, send
Hot-fluid adjustable valve 15 is three-way electric regulating valve, and adjusting does not influence system other parts, realizes being adjusted flexibly for system.
VOCs exhaust gas pretreatment reheat temperature is usually VOCs exhaust gas to be reheated to 35 DEG C from 25 DEG C, and industrial premises is discharged
Spent hot water be generally 50 DEG C~80 DEG C, if the spent hot water of industrial premises discharge is collected through row, the processing such as do stability contorting,
Using in VOCs exhaust gas pretreatment reheating, the energy consumption of waste gas treatment process can be largely saved.
Claims (5)
1. a kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve, including waste heat water collecting tank
(1) and be connected to waste heat water collecting tank (1) into pipe line (2), send pipe line and selection backheat pipeline, it is described into pipe line
(2) be connected to heating equipment, it is described send pipe line and select backheat pipeline respectively with VOCs molecular sieve pretreatment unit into
Water end (W.E.) is connected to water outlet, it is characterised in that: the selection backheat pipeline includes connection in VOCs molecular sieve pretreatment unit
Water return pipeline (3), reflux line (4) of the connection in waste heat water collecting tank (1) and the draining for spent hot water's discharge of water outlet
Pipeline (5), the water return pipeline (3) are connected to reflux line (4) and drainage pipeline (5) respectively, the reflux line (4)
On be provided with return flow adjusting control valve (6), drain discharge adjusting control valve (7) are provided on the drainage pipeline (5),
It is provided with temperature controller (8) on the water return pipeline (3), the temperature controller (8) is adjusted with return flow respectively
Control valve (6) and drain discharge adjusting control valve (7) connection, the waste heat water collecting tank (1) is interior to be provided with fluid level controller
(9), the output end of the fluid level controller (9) is connected to the input terminal of temperature controller (8).
2. a kind of Waste Heat Reuse and control energy conservation system for the pretreatment heating of VOCs molecular sieve according to claim 1
System, it is characterised in that: the waste heat water collecting tank (1) is also communicated with steam reheat circuit, and the steam reheats back
Road includes thermograph control alarm (11) of main steam range (10) and setting in waste heat water collecting tank (1), the steam
Steam stop valve (12) and steam control valve (13) are provided on general pipeline (10), thermograph control alarm (11)
Control output end is connect with steam stop valve (12) and steam control valve (13).
3. a kind of Waste Heat Reuse and control energy conservation system for the pretreatment heating of VOCs molecular sieve according to claim 1
System, it is characterised in that: described sending is provided with heat pump (14) on pipe line, and the heat pump (14) is provided with two parallel
Group.
4. a kind of Waste Heat Reuse and control energy conservation system for the pretreatment heating of VOCs molecular sieve according to claim 1
System, it is characterised in that: described sending is additionally provided on pipe line send hot-fluid adjustable valve (15).
5. a kind of Waste Heat Reuse and control energy conservation system for the pretreatment heating of VOCs molecular sieve according to claim 1
System, it is characterised in that: what is be arranged on waste heat water collecting tank (1) has fluid level controller (9) to connect formation connection with temperature controller (8)
Lock, and be arranged on the return flow adjusting control valve (6) and drainage pipeline (5) being arranged in control connection reflux line (4) respectively
Drain discharge adjusting control valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821060446.3U CN208512196U (en) | 2018-07-05 | 2018-07-05 | A kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821060446.3U CN208512196U (en) | 2018-07-05 | 2018-07-05 | A kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208512196U true CN208512196U (en) | 2019-02-19 |
Family
ID=65336999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821060446.3U Active CN208512196U (en) | 2018-07-05 | 2018-07-05 | A kind of Waste Heat Reuse and control energy conserving system for the pretreatment heating of VOCs molecular sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208512196U (en) |
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2018
- 2018-07-05 CN CN201821060446.3U patent/CN208512196U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190410 Address after: 050035 26 Floor, Block A, Tianshan Science Park, 319 Xiangjiang Road, Shijiazhuang High-tech Zone, Hebei Province Patentee after: Hebei Tianjvshi Engineering Technology Group Co., Ltd. Address before: 050035 25 Floor, Block A, Tianshan Science Park, 319 Xiangjiang Road, Shijiazhuang High-tech Zone, Hebei Province Patentee before: HEBEI TIANJUSHI PHARMACEUTICAL AND CHEMICAL ENGINEERING CO., LTD. |