CN205505305U

CN205505305U - Energy -conserving air pretreatment systems humiture automatic control device

Info

Publication number: CN205505305U
Application number: CN201620225474.0U
Authority: CN
Inventors: 刘明亚; 李佳; 张凯
Original assignee: Huahe New Technology Development Co Research Institute of Physical and Chemical Engineering of Nuclear Industry
Current assignee: Research Institute of Physical and Chemical Engineering of Nuclear Industry
Priority date: 2016-03-23
Filing date: 2016-03-23
Publication date: 2016-08-24
Anticipated expiration: 2026-03-23

Abstract

The utility model discloses an energy -conserving air pretreatment systems humiture automatic control device, including the touch -sensitive screen that has man -machine interface software, the touch -sensitive screen with have based on PLC control system's control box electricity signal connection, no. I sensor, no. II sensors, no. III sensors, no. IV sensors respectively with control box electricity signal connection, be used for measuring the air compressor machine air inlet, blender high temperature air inlet, blender low temperature air inlet, mixer outlet's humiture value transmits the humiture value to control box, no. I governing valve, no. II governing valves respectively with control box electricity signal connection, a flow transmits the aperture value to control box for adjusting blender high temperature air inlet and second grade cooling water inlet department. The utility model discloses can realize humiture automatically regulated according to climate change automatically regulated control parameter, overcome prior art, adopt the shortcoming that the manual regulation precision is low. The utility model is simple in operation, the interference killing feature is strong, and control accuracy is high.

Description

A kind of energy-saving air pretreatment system humiture automatic control device

Technical field

This utility model belongs to humiture automatic control device, is specifically related to a kind of energy-saving air pretreatment system humiture Automaton.

Background technology

In prior art, the energy-saving fermentation air pretreatment system of air's direct mixing of use, specifically include that Air compressor machine, air accumulator, one-level cooler, secondary coolers, gas-liquid separator and air mixer, its operation principle is, air High temperature air in air accumulator is mixed by blender with the Cryogenic air in gas-liquid separator, then the temperature to final gas Degree and humidity are adjusted.

But the temperature and humidity regulation mode used is commonly manually regulation, the height that control point is blender of main regulation Warm air regulation valve and two grades of cooling sea water regulating valves.Owing to using manual regulative mode for the proficiency level of operator and to recognize True degree requires higher, and common people are difficult to accomplish degree accurately, uses manual adjustment precision can not reach requirement, the most just Add the microbiological contamination probability in fermentation tank, after microbiological contamination, easily cause the waste of the energy.

Utility model content

This utility model proposes to overcome shortcoming present in prior art, its objective is to provide a kind of energy-conservation Air pretreatment system humiture automatic control device.

This utility model is realized by techniques below scheme:

A kind of energy-saving air pretreatment system humiture automatic control device, including the touch with human interface software Screen, described touch screen is connected with having the control chamber signal of telecommunication based on PLC control system, No. I sensor, No. II sensor, III Number sensor, No. IV sensor are connected with the control chamber signal of telecommunication respectively, are used for measuring air compressor air intake mouth, blender high temperature air inlet Warm and humid angle value is also transferred to control chamber by mouth, blender low temperature air inlet mouth, the warm and humid angle value of mixer outlet, No. I regulation valve, II Number regulation valve is connected with the control chamber signal of telecommunication respectively, the stream at adjusting mixer high temperature air inlet and two grades of cooling water inlets Opening value is also transferred to control chamber by amount.

Described No. I sensor, No. II sensor, No. III sensor, No. IV sensor are with 4～20mA output signals Temperature Humidity Sensor.

Described No. I regulation valve, No. II regulation valve are the PID with 4～20mA feedback signals and regulate valve.

So this utility model of design, is connected touch screen with the control chamber signal of telecommunication, and the control chamber signal of telecommunication connects No. I Sensor, No. II sensor, No. III sensor, No. IV sensor, with control chamber use the signal of telecommunication be also associated with No. I regulation valve, No. II regulation valve, such attachment structure can realize humiture and be automatically adjusted, and can be automatically adjusted control according to climate change Parameter processed, overcomes in prior art, and temperature and humidity regulation uses manual regulative mode, and manual operation precision is low, easily causes dye Bacterium, thus cause the deficiency wasting the energy.Capacity of resisting disturbance of the present utility model is strong, and control accuracy is high, and simple to operate, joint About energy consumption, meets the pretreated property indices of fermentation air, it is ensured that construction quality and project progress.

Accompanying drawing explanation

Fig. 1 is attachment structure schematic diagram of the present utility model；

Fig. 2 is control chamber structural representation of the present utility model；

Fig. 3 is flow chart during this utility model use.

In figure:

1 touch screen 2 control chamber

4 No. II sensors of 3 No. I sensors

6 No. IV sensors of 5 No. III sensors

8 No. II regulation valves of 7 No. I regulation valves.

Detailed description of the invention

With reference to the accompanying drawings and a kind of energy-saving air pretreatment system humiture of the present utility model is controlled by embodiment automatically Device processed is described in detail:

As it is shown in figure 1, a kind of energy-saving air pretreatment system humiture automatic control device, soft including having man machine interface The touch screen 1 of part, described touch screen 1 is connected with having control chamber 2 signal of telecommunication based on PLC control system, No. I sensor 3, II Number sensor 5, No. IV sensor 6 of 4, No. III sensor is connected with control chamber 2 signal of telecommunication respectively, is used for measuring air compressor air intake Warm and humid angle value is also transferred to control by mouth, blender high temperature air inlet, blender low temperature air inlet mouth, the warm and humid angle value of mixer outlet Case 2 processed, 7, No. II regulation valve 8 of No. I regulation valve is connected with control chamber 2 signal of telecommunication, respectively for adjusting mixer high temperature air inlet With the flow at two grades of cooling water inlets opening value is transferred to control chamber 2.

Touch screen 1 is can to set up the universal touch screen of communication with PLC control system.

As in figure 2 it is shown, described control chamber 2 includes that the housing of outside, internal air switch connect CPU, Switching Power Supply is even Connecing PLC control system, PLC control system includes CPU and the Analog input mModule being sequentially connected with, analog output module, number Word amount input module, digital output module, signal isolator is connected with Analog input mModule, and shift knob is defeated with digital quantity Entering module to connect, digital output module is connected with relay.

3, No. II sensor of described No. I sensor, 5, No. IV sensor 6 of 4, No. III sensor is with 4～20mA outputs The Temperature Humidity Sensor of signal.

7, No. II regulation valve 8 of described No. I regulation valve is the PID with 4～20mA feedback signals and regulates valve.

Described Analog input mModule, analog output module, digital quantity input module, digital output module are existing There is technology, commercially available.

Using method of the present utility model is:

As it is shown on figure 3, the autocontrol method of a kind of energy-saving air pretreatment system humiture automatic control device, bag Include following steps:

(I) pretreatment system is opened

Turn on the power switch, touch screen 1,2, No. I sensor of control chamber, 4, No. III sensor of 3, No. II sensor 5, IV Sensor 7, No. II regulation valve 8 of 6, No. I regulation valve is in opening, S1；

(II) Atmosphere And Humidity angle value is read in

Touch screen 1 is loaded into presets Outlet Temperature value, outlet humidity value, secondary coolers chilling temperature value, No. I sensor 3 The Atmosphere And Humidity angle value of measurement is passed to control chamber 2, and the data of measurement is shown in real time on touch screen 1, S2；

(III) regulation valve is preset

The warm and humid angle value that control chamber 2 is measured according to No. I sensor 3, by controlling software to No. I regulation valve 7, II regulation The aperture of valve 8 carries out preconditioning, S3；

(IV) Outlet Temperature value is read in

Opening value is fed back to control chamber 2 by 7, No. II regulation valve 8 of No. I regulation valve, and shows on touch screen 1, No. II biography Warm and humid for the compressed air of measurement angle value is passed to control chamber 2 by sensor 5, No. IV sensor 6 of 4, No. III sensor, and by touching Screen 1 shows in real time, S4；

(V) outlet temperature compares with setting value

The temperature value measured by No. IV sensor 6, as reference value, compares with default Outlet Temperature value, if outlet Temperature is higher than preset value, detects whether No. I regulation valve 7 aperture is minima；If Outlet Temperature value is less than preset value, detect I Whether number regulation valve 7 aperture is maximum, S5

Whether (VI) No. I regulation valve 7 closes

When outlet temperature is higher than setting value, if No. I regulation valve 7 aperture is minima, No. II regulation valve 8 is opened, control The aperture of No. II regulation valve 8 will be adjusted by case 2 processed；If No. I regulation valve 7 aperture is not reaching to minima, No. I regulation Valve 7 cuts out, and the aperture of No. I regulation valve 7 will be adjusted by control chamber 2, S6；

(VII) No. I regulation valve 7 whether standard-sized sheet

When outlet temperature is less than setting value, if No. I regulation valve 7 aperture is maximum, control chamber 2 will export low temperature Alarm signal, and show on touch screen 1；If No. I regulation valve 7 aperture is not reaching to maximum, No. I regulation valve 7 is opened, control The aperture of No. I regulation valve 7 will be adjusted by case 2 processed, S7；

(VIII) outlet humidity value is read in

Warm and humid for the compressed air of measurement angle value is passed to control chamber 2 by No. IV sensor 6, and carries out reality by touch screen 1 Time display, S8；

(Ⅸ) outlet humidity compares with setting value

The warm and humid angle value measured by No. IV sensor 6, as reference value, compares with default outlet humidity value, if gone out Mouth humidity value, higher than preset value, detects whether No. II regulation valve 8 aperture is maximum；If outlet humidity value is less than preset value, Detect whether No. II regulation valve 8 aperture is not reaching to minima, S9；

Whether (Ⅹ) No. II regulation valve 8 is opened

When outlet humidity is less than preset value, if No. II regulation valve 8 aperture is not reaching to minima, No. II regulation valve 8 Closing, the aperture of No. II regulation valve 8 will be adjusted by control chamber 2；If No. II regulation valve 8 aperture is minima, return Step S4 reads in next group Outlet Temperature value, S10 again；

(Ⅺ) No. II regulation valve 8 whether standard-sized sheet

When outlet humidity is higher than preset value, if No. II regulation valve 8 aperture is maximum；Control chamber 2 will export height Wet alarm signal, and show on touch screen 1；If No. II regulation valve 8 aperture is not reaching to maximum, 8 dozens, No. II regulation valve Opening, the aperture of No. II regulation valve 8 will be adjusted by control chamber 2, returns step S4 and again reads in next group Outlet Temperature value, S11。

Touch screen is connected by this utility model with the control chamber signal of telecommunication, the control chamber signal of telecommunication connect have four sensors, with And two regulation valves, Atmosphere temp.and RH is monitored in real time, it is achieved humiture is automatically adjusted, climate change auto-adjustment control Parameter, overcomes in prior art, temperature and humidity regulation use manually regulative mode time, the precision of operation is low, easily causes The deficiency of energy waste, this utility model is simple to operate, energy efficient.

Claims

1. an energy-saving air pretreatment system humiture automatic control device, including the touch screen with human interface software (1), it is characterised in that: described touch screen (1) is connected with having control chamber (2) signal of telecommunication based on PLC control system, No. I biography Sensor (3), No. II sensor (4), No. III sensor (5), No. IV sensor (6) are connected with control chamber (2) signal of telecommunication respectively, use In measuring air compressor air intake mouth, blender high temperature air inlet, blender low temperature air inlet mouth, the warm and humid angle value of mixer outlet and inciting somebody to action Warm and humid angle value is transferred to control chamber (2), and No. I regulation valve (7), No. II regulation valve (8) are connected with control chamber (2) signal of telecommunication respectively, Opening value is also transferred to control chamber (2) by flow at adjusting mixer high temperature air inlet and two grades of cooling water inlets.

Energy-saving air pretreatment system humiture automatic control device the most according to claim 1, it is characterised in that: described No. I sensor (3), No. II sensor (4), No. III sensor (5), No. IV sensor (6) are with 4～20mA output signals Temperature Humidity Sensor.

Energy-saving air pretreatment system humiture automatic control device the most according to claim 1, it is characterised in that: described No. I regulation valve (7), No. II regulation valve (8) are the PID with 4～20mA feedback signals and regulate valve.