Condensing unit for the treatment of the medical cleaner exhaust steam
Technical field
The present invention relates to a kind of condensing unit for the treatment of vapours, relate in particular to a kind of condensing unit for cooling medical cleaner exhaust steam, belong to medical disinfecting cleaning equipment technical field.
Background technology
The course of work of medical cleaner, generally be divided into and clean and dry two steps, at first, the process of cleaning, vapours to be passed in the metallic conduit of boiler by admission line, come the water of heat hot water tank with this, after water is heated, water is passed into the cleaning machine inner bag, the medicine equipment of placing in the inner bag is cleaned, clean complete after, need to carry out drying to the apparatus after cleaning, dry process also is that vapours is passed in the metallic conduit of hot bellows, cold air in the hot bellows is heated, to heat later air with blower fan again and be blown into the cleaning machine inner bag, carry out drying with cleaning complete medicine equipment, no matter be that cleaning is complete or dry complete, all need the vapours that passes into before metallic conduit is discharged cleaning machine, but the vapor (steam) temperature of this moment is still very high, must first its condensation be discharged again, people or machine is damaged or damages avoiding.Prior art is that vapours is directly entered in the tank that is loaded with cold water mostly, it can cool off rapidly the vapours of discharging, be that 201120238713.3 utility model patent discloses " a kind of condensing unit " such as China Patent No., this utility model utilization be condensate draining, by EGR steam is passed into condensed water and carry out condensation, the method low cost of manufacture and simple in structure.
But there is such deficiency in above-mentioned prior art: steam enters condensate draining by the pipeline of EGR, steam can be liquefied as water, under the pressure-acting of circulating line, when steam touches water in the tank, will inevitably produce larger noise, simultaneously, the pressure that the inwall of tank can bear is limited, for a long time steam is passed into tank, steam pressure can cause fatigue damage to inboard wall of cistern, and the time one is of a specified duration, can make tank corner angle or weld seam slight crack occur, go down for a long time, tank may seep water, and will reduce like this service life of apparatus.
Summary of the invention
For solving the prior art above shortcomings, the present invention proposes a kind of condensing unit for the treatment of the medical cleaner exhaust steam, it comprises the boiler discharge duct, hot bellows discharge duct and criss-cross drainpipe, left side at drainpipe is provided with condensate pipe, the right side is provided with overflow pipe, end at condensate pipe is provided with spray nozzle, spray nozzle be one with the axle of slant cutting edge, axial line along spray nozzle is provided with axis hole in spray nozzle, the lower end of spray nozzle axis hole communicates with condensate pipe, its otch faces the exhaust outlet of boiler discharge duct and hot bellows discharge duct, when exhaust steam is discharged from two blast pipe road junctions, the spray that will be scattered from spray nozzle and water smoke condensation, thereby the temperature when greatly reducing the exhaust steam discharging, and can not produce noise and damage apparatus.
The present invention solves its technical problem, and the technical scheme that adopts is:A kind of condensing unit for the treatment of the medical cleaner exhaust steam, comprise the boiler discharge duct, hot bellows discharge duct and drainpipe, drainpipe is a criss-cross four-way pipe, the upper end of drainpipe connects boiler, the lower end connects the sewer in room, the right-hand member of drainpipe connects overflow pipe, the boiler discharge duct is connected to be arranged on after three-way pipe connects the left side of drainpipe with the hot bellows discharge duct, its design feature is: the left side at drainpipe also is provided with condensate pipe, end at condensate pipe is provided with spray nozzle, spray nozzle be one with the axle of slant cutting edge, employing is threaded or the mode of welding is connected spray nozzle with the left side pipeline of drainpipe, axial line along spray nozzle is provided with axis hole in spray nozzle, the lower end of spray nozzle axis hole communicates with condensate pipe, the upper end of axis hole communicates with the slant cutting edge of spray nozzle, and the slant cutting edge of spray nozzle faces the exhaust outlet of boiler discharge duct and hot bellows discharge duct.
Above-mentioned condensing unit for the treatment of the medical cleaner exhaust steam, the lateral inner wall of the slant cutting edge of spray nozzle is circular arc, the angle of the lateral inner wall of otch and otch bottom tangent plane is less than 90 °, and the arc surface of otch faces the exhaust outlet of two steam exhaust-gas pipelines.
Above-mentioned condensing unit for the treatment of the medical cleaner exhaust steam, the lateral inner wall of the slant cutting edge of spray nozzle is the plane of cutting sth. askew, the angle on the inclined-plane of otch and plane, otch bottom is 30 ° to 75 °, and the inclined-plane of otch faces the exhaust outlet of two steam exhaust-gas pipelines.
Above-mentioned condensing unit for the treatment of the medical cleaner exhaust steam, with upwards ejection from the axis hole of spray nozzle after the cooling water pressurization, the pressurization scope of cooling water is 0.2 ~ 0.5MP.
Above-mentioned condensing unit for the treatment of the medical cleaner exhaust steam, overflow pipe is arranged on the right side of drainpipe, and overflow pipe is the distribution of " n " font and communicates with drainpipe.
Above-mentioned condensing unit for the treatment of the medical cleaner exhaust steam is provided with taper pipe thread at the excircle of spray nozzle, and spray nozzle is connected to by this taper pipe thread in the drainpipe in left side and passes through mutually with the left side pipeline of drainpipe.
Above-mentioned condensing unit for the treatment of the medical cleaner exhaust steam, change being arranged on the overflow pipe of the drainpipe left and right sides and the order that arranges of discharge duct, when discharge duct was arranged on the right side of drainpipe, condensate pipe and spray nozzle also should be followed discharge duct and be arranged on the right side of drainpipe.
Compared with prior art, the invention has the beneficial effects as follows:Because the present invention is connected the boiler discharge duct to be arranged on after three-way pipe connects the left side of drainpipe with the hot bellows discharge duct, and be provided with condensate pipe and spray nozzle in this side, and be provided with axis hole and slant cutting edge at spray nozzle, when the exhaust steam in discharging boiler discharge duct or the hot bellows discharge duct, open the valve of cooling water, the exhaust steam of discharging enters into by three-way pipe in the pipeline in drainpipe left side, and exhaust steam meets with the cooling water that upwards sprays from condensate pipe in the pipeline in drainpipe left side.When the cooling water in the condensate pipe upwards is ejected into the scarf of spray nozzle, can be stopped by the inclined-plane and sharp spray or the water smoke of faling apart into, because the slant cutting edge of spray nozzle faces the exhaust outlet of boiler discharge duct and hot bellows discharge duct, so by the spray that broken up just with drainpipe left side pipeline in exhaust steam fully contact, thereby the waste hot steam of discharging in condensation heat water tank discharge duct or the hot bellows discharge duct is through draining into the sewer in room with the mixed steam condensate (SC) of cooling water from the lower channel of drainpipe along drainpipe.Because the waste hot steam of discharging in boiler discharge duct or the hot bellows discharge duct has passed through the spray nozzle cooling of condensing unit of the present invention, significantly is reduced to safe range so enter the vapor (steam) temperature of sewer, avoided the scald personnel or damaged sewer pipe.
The lateral inner wall of spray nozzle slant cutting edge is arranged to arc surface, when the cooling water in the condensate pipe upwards is injected into cutting sth. askew during arc surface of spray nozzle, can be chamfered arc surface stops, because the chamfered transition of arc surface is naturally even, unstressed concentration phenomenon, so arc surface is more even to the reflection of cooling water, thereby be conducive to the cooling water of upper punch in the condensate pipe is excited into more uniform spray or water smoke, and in a wider context with boiler discharge duct or hot bellows discharge duct in the waste hot steam of discharging fully contact, improve the condensation effect to exhaust steam.
The arc surface of cutting sth. askew of spray nozzle slant cutting edge can also replace with the plane of cutting sth. askew, cut sth. askew that the plane can stop the cooling water of upper punch in the condensate pipe equally and it is swashed and fall apart into spray or water smoke, and will swash loose spray or water smoke and carry out usable reflection, through experiment confirm, when the angle on the inclined-plane of otch and plane, otch bottom was 30 ° to 75 °, it swashed best results loose and reflection.Certainly, the swashing of plane of cutting sth. askew is loose and reflecting effect is abundant not as arc surface.
It is can be in condensate pipe up and impact scarf to spray nozzle that the cooling water that flows in the condensate pipe must have certain pressure guarantee cooling water, if the pressure of cooling water is too small, can not effectively be swashed at the scarf place of spray nozzle and be fallen apart into spray or water smoke, through experiment confirm, the pressure of cooling water should be greater than 0.2MP, and in 0.2 ~ 0.5MP scope, swash loose best results.
Overflow pipe being set and allowing it communicate with drainpipe, is that waste water can also be discharged by overflow pipe when waiting fortuitous event for drainpipe generation obstruction.Overflow pipe is arranged to " n " font or other distribute around shape, its beneficial effect is the length that prolongs overflow pipe, is beneficial to waste water and can reduces gradually temperature in the process that overflow pipe flows.
Spray nozzle is set to taper pipe thread with the thread connecting mode of drainpipe left side pipeline and is connected, its beneficial effect is the sealing that can strengthen the junction, with respect to the normal straight tube screw thread, taper pipe thread has the better characteristics of more stubborn tighter, more stubborn sealing effectiveness, adopts taper pipe thread can prevent effectively that the junction from oozing, drainage.
Be arranged on overflow pipe and the discharge duct of the drainpipe left and right sides, can change or change it according to the needs of cleaning-machine structure order is set, no matter what kind of overflow pipe and discharge duct adopt order is set, its implementation result is all identical, but condensate pipe and spray nozzle should be arranged on the same side with discharge duct.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is basic structure schematic diagram of the present invention.
Fig. 2 is the structure chart that slant cutting edge adopts the spray nozzle of arc surface.
Fig. 3 is the structure chart that slant cutting edge adopts the spray nozzle on the plane of cutting sth. askew.
Fig. 4 is that the present invention is installed to the schematic diagram on the cleaning machine.
Among Fig. 1 to Fig. 4,1 is spray nozzle, and 2 boiler discharge ducts, 3 are that hot bellows discharge duct, 4 is that condensate pipe, 5 is that criss-cross drainpipe, 6 is that overflow pipe, 7 is three-way pipeline
A is that the axis hole that arranges in the spray nozzle, slant cutting edge, the C that B is spray nozzle are the taper pipe thread that arranges on the spray nozzle
The specific embodiment
As shown in Figures 1 to 4, the first specific embodiment of the present invention is: a kind of condensing unit for the treatment of the medical cleaner exhaust steam, comprise boiler discharge duct 2, hot bellows discharge duct 3, condensate pipe 4 and drainpipe 5, drainpipe 5 is criss-cross four-way pipes, the upper end of drainpipe 5 connects boiler, the lower end connects the sewer in room, the right-hand member of drainpipe 5 connects overflow pipe 6, boiler discharge duct 2 is connected with the hot bellows blast pipe by being communicated with the left end of drainpipe 5 after 7 connections of a three-way pipeline, condensate pipe 4 also is arranged on the left end of drainpipe 5, be provided with spray nozzle 1 in the end of condensate pipe 4, spray nozzle 1 be one with the axle of slant cutting edge B, the lateral inner wall of its slant cutting edge B is circular arc, the angle of the lateral inner wall of otch and otch bottom tangent plane is 75 °, and the arc surface of otch B faces the exhaust outlet of two steam exhaust-gas pipelines.On spray nozzle 1, also be provided with outer taper pipe thread C, and be provided with corresponding endosiphuncular tube screw thread on the left side pipeline of drainpipe 5, the mode that adopts this taper pipe thread to connect is connected to spray nozzle 1 in the left side pipeline of drainpipe 5, certainly, this taper pipe thread connected mode can replace with the straight pipe thread connected mode, or thread connecting mode replaced with welding connecting mode, its effect is similar.Want in the present embodiment, be provided with the axis hole A that internal diameter is 4 millimeters of φ along the axial line of spray nozzle 1 in spray nozzle 1, the lower end of axis hole A communicates with condensate pipe 4, and the upper end of axis hole A communicates with slant cutting edge B.
When using cleaning machine to clean medicine equipment, medicine equipment is put into the cleaning storehouse of cleaning machine, close door, the washings that will add enzyme liquid by water pump are pumped in the boiler of cleaning machine, certainly, the washings of suction are cold water, in order to strengthen clean result, washings need to be heated, the mode of heating of this way of example is Steam Heating, namely in boiler, laid a jet chimney with a plurality of curvatures, continue to pass into vapours in jet chimney, vapours continues the heating of the jet chimney wall in the boiler to carry out heat exchange and heated scrub water with washings by the jet chimney wall, after the temperature of washings through being heated to regulation, it is pumped to the cleaning storehouse of cleaning machine medicine equipment is carried out spray irrigation.Cleaning needs the water droplet that remains on the medicine equipment is carried out drying after complete, present embodiment adopts air-dry drying means, specifically use air pump that the air in the hot bellows is pumped to cleaning in the storehouse, in order to improve drying effect and to shorten drying time, present embodiment has adopted the method for heated-air drying, namely need the air in the hot bellows is heated first, identical with the method for heated scrub water, in hot bellows, also laid a jet chimney with a plurality of curvatures, in jet chimney, continue to pass into vapours, vapours heats the jet chimney wall in the hot bellows, by the jet chimney wall continue with hot bellows in air carry out heat exchange and air in the heat hot bellows, after the temperature of air through being heated to regulation in the hot bellows, it is pumped to the cleaning storehouse of cleaning machine the medicine equipment after cleaning is carried out heated-air drying.
After the jet chimney of vapours curvature in by boiler and hot bellows heats washings or air, its used remaining exhaust steam also needs to continue to discharge from the other end of jet chimney, although be used steam, but the temperature of its exhaust steam is still very high when discharging, must first its condensation be discharged again, people or machine be damaged or damage avoiding.When the exhaust steam in discharging boiler discharge duct 2 or the hot bellows discharge duct 3, the exhaust steam of discharging enters in the pipeline in drainpipe 5 left sides by three-way pipeline 7, open the valve of cooling water this moment, be forced into the cooling water of 0.4MP (through experiment confirm through water pump, the pressure of cooling water is in 0.2 ~ 0.5MP scope, swash loose best results) up from the axis hole A of spray nozzle 1 by condensate pipe 4, the slant cutting edge B of impulse-spray mouth 1 is also effectively swashed by its scarf and to fall apart into spray and water smoke, the scarf that faces two discharge duct exhaust outlets also will swash loose spray and water smoke and reflex on the vapours of exhaust outlet discharge, be that exhaust steam upwards sprays in the pipeline in drainpipe 5 left sides and from spray nozzle 1 and the cooling spray and the water smoke that form meet, allow vapours fully contact with cooling water, thereby condensation is from the waste hot steam of boiler discharge duct 2 or the 3 interior discharges of hot bellows discharge duct, through draining into the sewer in room along drainpipe from the lower channel of drainpipe 5 with the mixed steam condensate (SC) of cooling water, this temperature that enters the steam condensate (SC) of sewer significantly has been reduced to safe range.Stop up in order to prevent that drainpipe is unexpected, present embodiment also is provided with the overflow pipe 6 of " n " font that communicates with drainpipe on the right side of drainpipe 5, and when drainpipe generation obstruction waited fortuitous event, waste water can also be discharged by overflow pipe 6.
The second embodiment of the present invention is: the circular arc lateral inner wall at the spray nozzle 1 slant cutting edge B place in the first embodiment is changed to the plane of cutting sth. askew, the angle on plane and plane, otch bottom of cutting sth. askew be 45 ° (through experiment confirms, when the angle on the inclined-plane of otch and plane, otch bottom is 30 ° to 75 °, it swashs best results loose and reflection), cut sth. askew that the plane can be played the cooling water that stops upper punch in the condensate pipe 4 equally and it is swashed and fall apart into spray or water smoke, certainly, the swashing of plane of cutting sth. askew is loose and reflecting effect is abundant not as arc surface.
In addition, be arranged on discharge duct and the overflow pipe 6 of drainpipe 5 left and right sides, can change or change it according to the needs of cleaning-machine structure order is set, no matter what kind of discharge duct and overflow pipe 6 adopt order is set, its implementation result is all identical, but condensate pipe 4 and spray nozzle 1 should be arranged on the same side with discharge duct.