CN2176775Y

CN2176775Y - Formol fumigating sterilizer

Info

Publication number: CN2176775Y
Application number: CN 93244828
Authority: CN
Inventors: 吕玉冲; 焦永春
Original assignee: ANDA MEDICINAL ENGINEERING DEVELOPMENT CORP BEIJING CITY
Current assignee: ANDA MEDICINAL ENGINEERING DEVELOPMENT CORP BEIJING CITY
Priority date: 1993-05-18
Filing date: 1993-11-20
Publication date: 1994-09-14
Anticipated expiration: 2003-11-20

Abstract

The utility model relates to a full auto-control formol fumigating sterilizer which is provided with a sterilizing box and a reacting dish; otherwise, the utility model also comprises that the reacting dish is communicated with a formol storing tank; an electromagnetic valve is arranged on a pipeline which is used for communicating the reacting dish and the formol storing tank to control the delivery of the formol. The sterilizing box is communicated with an evaporator; the evaporator is connected with an ammonia storing tank via an electromagnetic valve for delivering ammonia; the bottom of the sterilizing box is provided with an air inlet valve whose inlet is connected with a fan whose inlet position is connected with an air filter; the top of the sterilizer is provided with an exhaust valve which is connected with a three-way processor; the port at the upper end of the processor is connected with a water supplying pipe via a water supplying valve; the lower end of the processor is connected with a water discharging pipe; each electromagnetic valve and each blower which are arranged on the pipeline are connected with a program control circuit.

Description

Formol fumigating sterilizer

This utility model relates to a kind of formaldehyde fumigation steriliser of medical sterilization device, particularly a kind of full automatic control.

The formaldehyde fumigation steriliser is very universal, but existing formaldehyde fumigation steriliser structure is single, generally only is made up of a sterilization tank and reaction utensil, puts medicine, sterilizes and control by manually-operated.Sterilization time long (about 6 hours) not only, and structure is single, particularly can not handle waste gas, directly discharging causes article and the interior formaldehyde gas of sterilization tank after the sterilization dense, and pungent taste is very big, the severe contamination working environment.

By the ethylene oxide sterilizer of inventor design (patent No.: 872140261), adopt automatic control circuit and control system, automatic control degree height, easy to operate, but its sterilization principle is different with the formaldehyde sterilization, the sterilization cost is also higher, is not suitable for appliance common and sterilizes.

The purpose of this utility model: provide that a kind of to collect administration, sterilization, exhaust-gas treatment be the full automatic control formaldehyde fumigation steriliser of one, sterilization is reliable, and medication is few, and the time is short, and the article after the sterilization are pollution-free, tasteless, easy to operate.

The purpose of this utility model is to realize by following technical scheme.

Fig. 1 is the mechanical, electrical integrated structure schematic diagram of this steriliser.

Fig. 2 is this steriliser sequence circuit figure.

Referring to Fig. 1: except that sterilization tank and reaction utensil are housed, also comprise in this steriliser: be communicated with a formaldehyde basin 8 by reaction utensil 17, constitute administration device; The pipeline that is communicated with them is provided with electromagnetic valve 10, and formaldehyde is thrown in control.Sterilization tank 15 communicates with vaporizer 2, and vaporizer is connected with ammonia basin 5 by throwing ammonia electromagnetic valve 3, constitutes the waste gas neutralising arrangement; Intake valve 20 is equipped with in the sterilization tank bottom, and its inlet is connected with blower fan 21, and the fans entrance place connects air filter 22.The steriliser top is equipped with air bleeding valve 13 and is connected threeway processor 12, and passway, processor upper end is connected with upper hose through priming valve 11, and water pipe runs in the lower end.Constitute the waste scavenging device; Each electromagnetic valve that is provided with on above-mentioned pipeline and blower fan are connected with sequence circuit 1.

Be subjected to the control of sequence circuit, throwing the formaldehyde electromagnetic valve opens, automatically throw formaldehyde to reaction utensil, produce a large amount of formaldehyde gas sterilizations, sterilization finishes, throwing the ammonia electromagnetic valve opens, make an amount of ammonia inflow evaporator, evaporate ammonia and feed sterilization tank and waste gas neutralization, then blower fan, reach the inlet and outlet valve on the casing and add water solenoid valve and move simultaneously, with waste gas displacement in the case and carry out water-soluble processing, realized the purpose of this utility model.

Feature of the present utility model also is:

In order to obtain more stable sterilization effect, to the case internal heating, the structure of employing is: sterilization tank is connected with electric-heating assembly 19, adorns a temperature sensor 16 in the case when sterilization, and this pick off and electric-heating assembly are connected with temperature control circuit 23, the control temperature.Sterilization tank also is connected with pressure regulator 18, with the pressure in the regulating box.

Sequence circuit 1 is to handle the sequential control circuit of (water-soluble processing) automatic stop proceedings by throwing formaldehyde, sterilization, throwing ammonia, neutralization, removing, can adopt integrated group and, referring to Fig. 2.

This circuit is by IC1(CD4060), IC2(CD4040), IC3～5(CD4017), CF1～6(4027), FX1～5(4069), H1～2(4075), Y1～2(4081), K1～4(toggle switch), the AN1(press button) and resistance R, capacitor C, crystal oscillators etc. are formed by connecting, and it realizes that programme controlled main annexation is: 9,10,11 feet of IC1 meet capacitor C 1, R1 and crystal oscillator JT, to produce the CP pulse.The

output pin

3,1 of IC1 connects 10 feet of IC2 and the input of FX1 phase inverter respectively, and IC2 is as frequency divider, and its clear terminal 11,

output pin

14,9 are connected with the Q outfan of CF1 trigger, the input of phase inverter FX2, FX3 respectively; The outfan of FX1, FX2, FX3 connects input 14 feet of IC5, IC3, IC4 respectively, provides the counting arteries and veins to fill.The clear terminal 15 of IC3 is connected with the Q outfan of CF1, and output pin 3 links to each other through the input of capacitor C 2 with H1 or door.The S end of the output termination CF1 of H1.2～11 output pins of IC3, IC4, IC5 respectively with the corresponding connection of 1～9 foot of toggle switch K1, K2, K4; The output pin 2～11 of IC4, corresponding simultaneously 1～9 of the K3 that connects; The output E of K3 connects the input of FX5, and the outfan of FX5 is connected with 15 feet of IC5.The output of K1 is divided into A, B, C 3 points, links to each other with the R end of CF2, CF3, CF4 through resistance R 5, R6, R7 respectively, and the A point is also held with the S of CF3, is connected with the S end of CF6 through peaker C10, R11 simultaneously.The B point is connected with the S end of CF4.The output of K2 is connected to the D point, and the R that meets CF5 through R9 holds, and the S end of CF5 is in parallel with the S end of CF2, link to each other with peaker C4, R8, another termination CF1's of C4

End.K4 is output as the F point, is connected with the R end of CF6 through R10.The Q outfan of CF5 links to each other with an input of H2 or door.The Q end of CF6 also links to each other with another input of H2.The output of H2 connects the input of FX4, and the output of FX4 connects the clear terminal 15 of IC4.

Effect of the present utility model:

This steriliser has realized that dosing, sterilization, exhaust-gas treatment are the full automatic control of one, and sterilization is reliable, and easy to operate, sterilization time shortened to 1 hour by 6 hours, and medication is few.Can carry out chemistry and physical treatment to waste gas simultaneously, eliminate pollution.

Open in detail below in conjunction with embodiment and accompanying drawing to this utility model.

Fig. 3 is that each component locations of this steriliser concerns axonometric chart

Fig. 4 is the structure chart of band bibcock plug

Fig. 5 is the fluid volume meter structure chart

Fig. 6 is temperature-control circuit figure

As Fig. 1, shown in Figure 3: the reaction utensils 17 in the sterilization tank 15 are communicated with the formaldehyde basin 8 that is contained in the casing top, and connecting pipeline is provided with electromagnetic valve 10.The top and the bottom of sterilization casing are communicated with an electric-heating assembly 19, and this electric-heating assembly is made up of resistance wire and blower fan.Temperature sensor 16 also is housed in the case, and this pick off is connected with temperature control circuit 23 with electric-heating assembly, constitutes the closed loop temperature control system.Simultaneously, sterilization tank connects pressure regulator 18, with the regulating box internal pressure.This actuator is an elastic container.With formaldehyde basin 8 and show ammonia basin 5, be connected with vaporizer 2 by electromagnetic valve 3, vaporizer is connected sterilization tank.Base of evaporator has two anti-corrosion electrodes, external power supply.Intake valve 20 is equipped with in the sterilization tank bottom, and its inlet is connected with blower fan 21, and the fans entrance place connects an air filter 22, air bleeding valve 13 is equipped with at the sterilization tank top, connect threeway processor 12, passway, processor upper end is connected with upper hose through adding water solenoid valve 11, and run in water pipe the passway, lower end.The dividing plate of aperture is equipped with out in processor and upper hose junction.Each above-mentioned electromagnetic valve and blower fan are connected with sequence circuit 1.

All be contained in the outer case 14 with upper-part, guidance panel 24 also is housed on outer case.

Above-mentioned formaldehyde basin and ammonia basin upper end all are rotary with

band bibcock plug

6,7, as shown in Figure 4: a centre bore φ C is arranged on the cock body 25, and side face has side opening φ D and communicates with the center, and elastic part 26 is housed in the centre bore, its outer surface and internal orifice dimension are tightly fitted, and block side opening.Can prevent that pharmaceutical gas from volatilizing from gaging hole.When throwing in medicinal liquid, because the effect of medicine tin inside and outside differential pressure, elastic part 26 radially shrinks, and air enters medicine tin by side opening, and medicinal liquid is thrown in smoothly.

Above-mentioned formaldehyde and ammonia basin also are connected with

fluid volume meter

4,9 as shown in Figure 5: fluid volume meter is communicated with at two ends up and down with medicine tin by a lucite pipe 27, spherical float 28 is housed in the transparent tube, in order to show liquid level, at transparent tube liquid level indication range pipeline section two ends positioning pipe 29 is housed, be used for to float spacing.This pipeline section is fixed on the graduated disc 30.The one colored display line 31 parallel with the fluid column axis arranged in the middle of graduated disc high scale line, when medicinal liquid charges into, fluid column forms a transparent column with transparent tube 27, thereby causes the cylindrical lens effect, makes that display line behind the fluid column is thick, clear, interpretation is very convenient.

As shown in Figure 2: above-mentioned sequence circuit 1 is by IC1(CD4060), IC2(CD4040), IC3～5(CD4017), CF1～6(4027), FX1～5(4069), H1～2(4075), Y1～2(4081), K1～4(toggle switch), the AN1(press button) and resistance, electric capacity, crystal oscillator etc. connect and compose.IC1 is that inside has the unitary 14 grades of serial counters of concussion, and 9,10,11 feet are connected to C1, R1 and crystal oscillator JT, to produce the CP pulse.Its 3 foot, 1 foot are the signal output pin of different frequency after the CP pulse frequency division.3 feet of IC1 are connected with 10 feet of IC2.IC2 is 12 grades of binary counters, is used as frequency divider here, and 10 feet are input, and 14,9 feet are the outfan of the different frequency behind the frequency division.The signal of 14 feet output exports 14 feet of IC3 to and counts after the FX2 phase inverter is anti-phase.The signal of the 9 feet output of IC2 is transported to 14 feet of IC4 after the FX3 phase inverter is anti-phase, count.The signal of the 1 foot output of IC1 is transported to 14 feet of IC5 and is counted after the FX1 phase inverter is anti-phase.IC3～5 are the decimal scale count splitter, and 14 feet are input, 10 outfans such as 3,2,4,7～11, and corresponding input pulse number is respectively 0,1,2,3～9 thereby can obtain 10 different moment from its 10 output pins.9 outfans of IC3 are connected with the corresponding position of toggle switch K1 respectively, obtain the signal that sterilizing program finishes by the A point.The R that meets CF2 through R5 holds, and triggers the CF2 sterilization and finishes.CF2 is two J-K flip flops, here as two R-S triggers (CF3,4,5,6 also together).The S end of CF2 is connected with peaker R8, C4, obtains the triggering signal of " sterilization " beginning.The Q outfan of CF2 is connected with an input of door with Y1, another input of Y1 and CF5's

End connects, and the outfan of Y1 is through R12, BG1 control " sterilizing program " display lamp L1.Simultaneously above-mentioned peaker R8, C4 also is connected with the S end of CF5, and the triggering signal of " adding formaldehyde " beginning is provided to CF5.The R end of CF5 is connected with the D point of K2 through R9, can obtain the triggering signal that " adding formaldehyde " finishes.The Q outfan of CF5 promotes solid-state relay J2 through R17, BG6, and the keying of J2 control " adding the formaldehyde electromagnetic valve " F1 is through R15, BG5 control " adding the formaldehyde display lamp " L4.The Q of CF5 is connected with H2 or door input, and the H2 outfan is connected with FX4 phase inverter input.FX4 output is connected with 15 feet of IC4, counting or the zero clearing of control IC4.The A point of above-mentioned K1 is connected with the S of CF3, provide the triggering signal of " neutralization beginning ", and the B point is connected with the R end of CF3 through R6, and the signal of " neutralization finishes " is provided.The B point is connected with the S end of CF6 through peaker C10, R11, and the triggering signal of " ammonification begins " is provided.The R end of CF6 is connected with the F point of K4 through R10.Can obtain the triggering signal of " ammonification end ".The Q end of CF6 promotes solid-state relay J3 through R18, BG8, and the output control ammonification electromagnetic valve F2 of J3 opens and closes.Through R19, BG7 control ammonification display lamp L5.CF6's

The Q outfan of outfan and CF3 respectively with Y2 with the door two inputs.Its with back output through R13, BG2 control " in and display lamp " L2.The Q outfan of CF6 is connected with an input of H2 or door.H2 output is through the work of the anti-phase control of FX IC4.The B point of K1 also is connected with the S end of CF4, and the triggering signal of " removing beginning " is provided.The C point of K1 is connected with the R end of CF4 through R7, and the triggering signal of " remove and finish " is provided.The Q end of CF4 is through R15, BG3 control " removing display lamp " L3.3 feet of IC3 are connected with an end of H1 or door through C2.H1 output is connected with the S end of CF1.1 triggering signal is provided for CF1.The Q outfan of CF1 is connected with 15 of 11 feet of IC2, IC3, provides " forbidding " signal to IC2, IC3, and its counting is stopped, thereby realizes " autostop ".To sum up, the operating to of this sequence circuit " adding formaldehyde → sterilization → ammonification → neutralization → removing → automatic stop ".

As shown in Figure 6: above-mentioned temperature-control circuit is mainly by IC6(LM358) the single supply double operational, formations such as stabilivolt, audion, resistance, electric capacity, potentiometer.Temperature sensor constitutes (BG9) by the ordinary silicon audion, and its b, c pin connect, and is connected with the input resistance R22 of 2 feet of amplifier A1.A1 and R22, R23, R24, W2 constitute inverting amplifier.Its output connects R26.A2 and R26, R25, R27 constitute Schmidt trigger.The outfan of A2 is through R28, and BG10 promotes solid-state relay J4, the output control electric-heating assembly M2 of J4.The output of A2 simultaneously connects the b utmost point of BG11 through R28, and the C utmost point of BG11 connects the b utmost point of BG12 through R30, through BG12 control " temperature control display lamp " L6.

Be subjected to the control of sequence circuit, this steriliser is pressed the working procedure work of throwing formaldehyde → sterilization → ammonification → neutralization → removing (water-soluble processing) → automatic stop:

The sterilization of throwing formaldehyde: be subjected to programme control circut 1 control, steriliser starts, and dispensing electromagnetic valve 10 is opened, and throws formaldehyde automatically to reaction utensil 17.Produce a large amount of formaldehyde gas with the potassium permanganate reaction, be subjected to electric-heating assembly 19 work of temperature control circuit 23 controls this moment, blow into hot blast from sterilization tank top, the bottom is extracted cold air out, forms thermal cycle, sterilization tank is heated, to improve sterilization effect.When the case internal pressure raise, the elastic pressure actuator is inflation or venting automatically, and the regulating box internal pressure keeps stable.

In and waste gas: when sterilization finishes, electromagnetic valve 3 is opened and is put an amount of ammonia into vaporizer, utilizes the electric conductivity of ammonia self to give birth to heat, flashes to ammonia very soon, enters in the sterilization tank 15 by pipeline, with useless formaldehyde gas neutralization, eliminates pungent taste.

Waste scavenging: when neutralization finishes, sequence circuit 1 makes blower fan 21, inlet and

outlet valve

13,20, priming valve 11 moves simultaneously, blower fan charges into sterilization tank to cleaned air by filter, waste gas is replaced removing, and the waste gas of discharge is by the threeway processor processing, and the threeway processor is the water solublity blood processor, form water smoke during the treated device dividing plate of tap water waste gas is dissolved fully, the water after the processing is discharged from drain pipe.

Said procedure is in service, has corresponding display lamp to show ruuning situation.

Claims

1, a kind of formaldehyde fumigation steriliser comprises the reaction utensil (17) in sterilization tank (15) and the case, it is characterized in that this steriliser also comprises: be communicated with a formaldehyde basin (8) by reaction utensil (17), constitute administration device; The pipeline that is communicated with them is provided with dispensing electromagnetic valve (10), and sterilization tank communicates with vaporizer (2), and vaporizer is connected with ammonia basin (5) by throwing ammonia electromagnetic valve (3), constitutes the waste gas neutralising arrangement; Air inlet electromagnetic valve (20) is equipped with in the sterilization tank bottom, and its inlet is connected with blower fan (21), and the fans entrance place connects air filter (22); Exhaust solenoid valve (13) is equipped with at the steriliser top, and this valve connects threeway processor (12), and passway, processor upper end is connected with upper hose through adding water solenoid valve (11), the lower end water pipe that runs in, formation waste scavenging device; Each electromagnetic valve that is provided with on pipeline and blower fan are connected with sequence circuit (1).

2, steriliser according to claim 1, it is characterized in that: sterilization tank is connected with electric-heating assembly (19), adorn a temperature sensor (16) in the case, this pick off and electric-heating assembly are connected with temperature control circuit (23), and sterilization tank also is connected with pressure regulator (18).

3, steriliser according to claim 2 is characterized in that: electric-heating assembly (19) is made up of heating wire and blower fan, connects with the upper and lower part of sterilization tank.

4, steriliser according to claim 1, it is characterized in that: formaldehyde basin and ammonia basin upper end all are rotary with band bibcock plug (6), (7), one centre bore φ C is arranged on the cock body (25), side face has side opening φ D and communicates with centre bore, elastic part (26) is housed in the centre bore, its outer surface and internal orifice dimension are tightly fitted, and block side opening.

5, steriliser according to claim 1, it is characterized in that: formaldehyde and ammonia basin also are connected with fluid volume meter (4), (9), fluid volume meter is communicated with at two ends up and down with medicine tin by a lucite pipe (27), spherical float (28) is housed in the transparent tube, at transparent tube liquid level indication range pipeline section two ends positioning pipe (29) is housed, this pipeline section is fixed on the graduated disc (30), and a colored display line (31) parallel with the fluid column axis arranged in the middle of graduated disc high scale line.

6, steriliser according to claim 1, it is characterized in that: sequence circuit is by IC1(CD4060), IC2(CD4040), IC3～5(CD4017), CF1～6(4027), FX1～5(4069), H1～2(4075), Y1～2(4081), K1～4(toggle switch), AN1(press button) and resistance R, capacitor C, crystal oscillator is formed by connecting, its programme controlled main annexation is: 9,10,11 feet of IC1 meet capacitor C 1, R1 and crystal oscillator JT, to produce the CP pulse; The output pin 3,1 of IC1 connects 10 feet of IC2 and the input of FX1 phase inverter respectively, and IC2 is as frequency divider, and its clear terminal 11, output pin 14,9 are connected with the Q outfan of CF1 trigger, the input of phase inverter FX2, FX3 respectively; The outfan of FX1, FX2, FX3 connects input 14 feet of IC5, IC3, IC4 respectively, and count pulse is provided; The clear terminal 15 of IC3 is connected with the Q outfan of CF1, output pin 3 links to each other through the input of capacitor C 2 with H1 or door, the S of the output termination CF1 of H1 end, 2～11 output pins of IC3, IC4, IC5 respectively with the corresponding connection of 1～9 foot of toggle switch K1, K2, K4; The output pin 2～11 of IC4, corresponding simultaneously 1～9 of the K3 that connects; The output E of K3 connects the input of FX5, the outfan of FX5 is connected with 15 feet of IC5, the output of K1 is divided into A, B, C 3 points, respectively through resistance R 5, R6, R7 and CF2, CF3, the R end of CF4 links to each other, simultaneously A point is also held with the S of CF3, through peaker C10, R11 is connected with the S end of CF6, the B point is connected with the S end of CF4, the output of K2 is connected to the D point, connect the R end of CF5 through R9, the S end of CF5 is in parallel with the S end of CF2, with peaker C4, R8 links to each other, and K4 is output as the F point, is connected with the R end of CF6 through R10, the Q outfan of CF5 links to each other with an input of H2 or door, the Q end of CF6 also links to each other with another input of H2, and the output of H2 connects the input of FX4, and the output of FX4 connects the clear terminal 15 of IC4.