CN204615140U - A kind of axle with working gas recycling device flows CO soon 2laser - Google Patents

A kind of axle with working gas recycling device flows CO soon 2laser Download PDF

Info

Publication number
CN204615140U
CN204615140U CN201520366296.9U CN201520366296U CN204615140U CN 204615140 U CN204615140 U CN 204615140U CN 201520366296 U CN201520366296 U CN 201520366296U CN 204615140 U CN204615140 U CN 204615140U
Authority
CN
China
Prior art keywords
air accumulator
valve
cooling filter
soon
axle
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.)
Withdrawn - After Issue
Application number
CN201520366296.9U
Other languages
Chinese (zh)
Inventor
司立众
刘旭明
鞠全勇
郑李明
高峰
周洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinling Institute of Technology
Original Assignee
Jinling Institute of Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinling Institute of Technology filed Critical Jinling Institute of Technology
Priority to CN201520366296.9U priority Critical patent/CN204615140U/en
Application granted granted Critical
Publication of CN204615140U publication Critical patent/CN204615140U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Lasers (AREA)

Abstract

A kind of axle with working gas recycling device flows CO soon 2laser, the application's operative body is connected with air accumulator two output solenoid valve with gas cell output solenoid valve, and gas cell output solenoid valve is connected with gas cell, gas cell and CO 2gas cylinder, He gas cylinder and N 2gas cylinder is connected, air accumulator two output solenoid valve connects air accumulator two, air accumulator two connects dry cooling filter, dry cooling filter connects heating deaerator, heating deaerator connects water-oil separating cooling filter, water-oil separating cooling filter connects air accumulator one, air accumulator one connects vacuum pump, vacuum pump connects low-pressure side and vacuumizes electromagnetically operated valve and gear box vacuumizes electromagnetically operated valve, in operative body, low-pressure side heat exchanger and low-pressure side vacuumize electromagnetically operated valve and are connected, and operative body internal tooth roller box vacuumizes electromagnetically operated valve with gear box and is connected.The utility model flows CO soon to existing axle 2laser is equipped with corresponding recycling device, to realize the recycling to working gas.

Description

A kind of axle with working gas recycling device flows CO soon 2laser
Technical field
The utility model relates to a kind of axle and flows CO soon 2laser, particularly a kind of axle with working gas recycling device flows CO soon 2laser.
Background technology
Axle flows CO soon 2laser is a kind of gas laser, and its working gas is generally by carbon dioxide CO 2, nitrogen N 2, helium He tri-kinds of gases are mixed by a certain percentage, wherein helium consumption accounts for 40 ~ 60% of working gas total burn-off, and because helium price is higher, therefore, helium cost accounts for 85 ~ 90% of working gas total cost.Current axle flows CO soon 2laser at home and abroad sheet metal cutting occupation rate of market reaches 60 ~ 70%.Axle flows CO soon 2laser will normally work the flow at high speed that lobe pump or roots blower must be used to carry out maintenance work gas, as shown in Figure 1, forming axle flows CO soon jointly for lobe pump or roots blower 1, high-pressure side heat exchanger and pipeline 3, discharge tube 4 and low-pressure side heat exchanger and pipeline 5 2laser works main body 20; Because lobe pump or roots blower need to use oil lubrication at work, so just must have a small amount of lubricating oil steam and be mixed in working gas, this can affect working gas regular picture, and then affects the normal work of laser; Secondly, axle flows CO soon 2when laser normally works, swiftly flowing working gas absolute pressure is about 80 ~ 120mbar, is in vacuum state, and due to the sealing problem of system, axle flows CO soon 2laser generally has a small amount of gas leakage, namely always having a small amount of air bleeds in working gas, and air is primarily of nitrogen and oxygen composition, wherein nitrogen accounts for 78.09%, oxygen accounts for 20.95%, other gas contents are little, nitrogen is a part for working gas, but extra nitrogen enter the ratio that can change between working gas each component, bleeding meanwhile due to oxygen, a kind of unnecessary gas oxygen has been there is in working gas, this can have a strong impact on working gas electric discharge, and then affects laser and normally work; In addition, in laser course of normal operation, also the carbon dioxide having trace in working gas is dissociated into carbon monoxide CO and oxygen atom O, and oxygen can absorb by the material such as electrode tip holder, discharge tube, in such working gas, carbon dioxide will constantly reduce, carbon monoxide will constantly increase, and this also affects the normal work of laser.Therefore, to keep in discharge tube working gas can regular picture, just constantly must upgrade working gas, as shown in Figure 1, vacuum pump 10 constantly extracts some work gas from system, discharges through vacuum pump exhaust port 9, and meanwhile gas cell 15 constantly supplements fresh working gas through electromagnetically operated valve 16 in system, with the overall balance of maintenance work gas, so axle flows CO soon 2laser just can normally work.We can see in this course, working gas containing a small amount of oxygen, lubricating oil steam and micro CO is directly discharged in air, this is not only a kind of waste, also be that the one of local environment is polluted, therefore need to design a kind of axle with working gas recycling device and flow CO soon 2laser.
Utility model content
For above problem, want to realize the cycling and reutilization to working gas, we must remove the CO (carbon monoxide converter) gas of a small amount of oxygen, lubricating oil steam and trace in working gas, and suitably to adjust the unbalanced working gas proportioning because of the increase of nitrogen, the utility model proposes a kind of axle with working gas recycling device and flow CO soon 2laser, it flows CO soon to existing axle 2laser is equipped with corresponding recycling device, and to realize the recycling to working gas, for reaching this object, the utility model provides a kind of axle with reclaiming re-use device to flow CO soon 2laser, comprises CO 2gas cylinder, He gas cylinder, N 2gas cylinder, gas cell, axle flow CO soon 2laser works main body, vacuum pump, air accumulator one, water-oil separating cooling filter, heating deaerator, dry cooling filter, air accumulator two and vacuum pump emptying solenoid valve, described axle flows CO soon 2laser works main body inner high voltage side heat exchanger is connected with air accumulator two output solenoid valve with gas cell output solenoid valve by pipeline, and described gas cell output solenoid valve is connected with gas cell by pipeline, and described gas cell is by pipeline and CO 2gas cylinder pressure-reducing valve, He gas cylinder pressure-reducing valve and N 2gas cylinder pressure-reducing valve is connected, described CO 2gas cylinder pressure-reducing valve meets CO 2gas cylinder, described He gas cylinder pressure-reducing valve connects He gas cylinder, described N 2gas cylinder pressure-reducing valve meets N 2gas cylinder, described air accumulator two output solenoid valve connects air accumulator two, described air accumulator two-way super-dry cooling filter delivery valve connects dry cooling filter, dry cooling filter water inlet and dry cooling filter delivery port is had below described dry cooling filter, described dry cooling filter connects heating deaerator by dry cooling filter transfer valve, described heating deaerator connects water-oil separating cooling filter by heating deaerator transfer valve, water-oil separating cooling filter water inlet and water-oil separating cooling filter delivery port is had below described water-oil separating cooling filter, described water-oil separating cooling filter connects air accumulator one by water-oil separating cooling filter transfer valve, described air accumulator one inputs electromagnetically operated valve by pipeline and air accumulator one and connects vacuum pump, described air accumulator one and air accumulator one input the electromagnetically operated valve pipeline side that is connected vacuum pump emptying solenoid valve, described vacuum pump connects low-pressure side by pipeline and vacuumizes electromagnetically operated valve and gear box vacuumizes electromagnetically operated valve, described axle flows CO soon 2in laser works main body, low-pressure side heat exchanger vacuumizes electromagnetically operated valve by pipeline and low-pressure side and is connected, and described axle flows CO soon 2laser works main body internal tooth roller box vacuumizes electromagnetically operated valve by pipeline and gear box and is connected.
Improve further as the utility model, described axle flows CO soon 2laser works main body comprises lobe pump or roots blower, high-pressure side heat exchanger, discharge tube, low-pressure side heat exchanger and lobe pump or roots blower gear box, lobe pump or the roots blower air outlet of described lobe pump or roots blower are connected with high-pressure side heat exchanger by pipeline, lobe pump or the roots blower air inlet of described lobe pump or roots blower are connected with low-pressure side heat exchanger by pipeline, described discharge tube is between high-pressure side heat exchanger and low-pressure side heat exchanger, described discharge tube is connected with low-pressure side heat exchanger with high-pressure side heat exchanger by pipeline, there are lobe pump or roots blower gear box in described lobe pump or roots blower side, described high-pressure side heat exchanger is connected with air accumulator two output solenoid valve with gas cell output solenoid valve by pipeline, described low-pressure side heat exchanger vacuumizes electromagnetically operated valve by pipeline and low-pressure side and is connected, described lobe pump or roots blower gear box vacuumize electromagnetically operated valve by pipeline and gear box and are connected, the utility model axle flows CO soon 2laser works main body mainly uses above conventional axle to flow CO soon 2laser structure main body.
Improve further as the utility model, described vacuum pump is that malleation exports vacuum pump, and namely output pressure ratio atmospheric pressure height is more, and atmospheric about 2 times in this way, adopt this vacuum pump, the delivery outlet pressure of its vacuum pump is relatively high, is about 0.2MPa.
Improve further as the utility model, described air accumulator one volume is 3-5 liter, nominal operation pressure is 0.6MPa, described air accumulator two volume is 1-2 liter, nominal operation pressure is 0.6MPa, air accumulator one is mainly used in the output buffering that malleation exports vacuum pump, and air accumulator two is mainly used in the output buffering purifying rear working gas, therefore adopts above specification according to corresponding situation.
Improve further as the utility model, described air accumulator one has pressure sensor one, described air accumulator two has pressure sensor two, the operating pressure that pressure sensor can be corresponding air accumulator is set real-time monitoring data is provided.
Improve further as the utility model, described air accumulator one is provided with the emptying sample valve of air accumulator one, and described air accumulator two is provided with the emptying sample valve of air accumulator two, the emptying sample valve of air accumulator one for extracting working gas, to flow CO soon to axle 2the working gas extracted out in laser works main body carries out sample analysis, the emptying sample valve of air accumulator two for extracting the working gas in cleaning system, for carrying out sample analysis to the working gas in cleaning system.
Improve further as the utility model, water-oil separating cooling filter exhaust blowdown valve is provided with below described water-oil separating cooling filter, be provided with dry cooling filter exhaust blowdown valve below described dry cooling filter, after exhaust blowdown valve is set, regularly can be vented blowdown according to needs of production.
Improve further as the utility model, having heating deaerator vent valve below described heating deaerator, being exhausted during for changing heating deaerator.
Improve further as the utility model, have copper powder or copper scale in described heating deaerator, heating holding temperature is 600 DEG C-700 DEG C, can produce following two chemical reaction: 2Cu+O at 600 DEG C of-700 DEG C of temperature 2==2CuO, CO+ CuO==CO 2the result of+Cu wherein first reaction is that oxygen in working gas is absorbed by copper powder or copper scale and generates solid CuO, and the result of second reaction is that CO and the CuO in working gas reacts and generates CO 2gas and solid Cu, due to CO originally CO 2decompose and to generate, therefore its oxidized generation CO 2gas is actually and has recovered original CO in working gas 2amount of gas; Another due to CO 2decompose the CO quantity of generation much smaller than the oxygen entering system because of leakage, therefore be safe in this link, the quantity that oxygen and copper react the solid CuO generated also enough is oxidized to CO CO 2.
The utility model is that a kind of axle with working gas recycling device flows CO soon 2laser, this device flows CO soon at primitive axis 2laser basis installs gas recycling device additional, utilize axle to flow CO soon 2the feature of laser works main body, simultaneously also for avoiding leak source in increase system (namely outside air leaks in working gas system), when designing oxygen, lubricating oil steam and CO (carbon monoxide converter) gas and removing cleaning system, with pressure-fired work, even if there is indivedual little leak source like this, also be from cleaning system outwardly atmospheric air leakage, thus cleaning system can be kept better to the clean-up effect of working gas, and then realize the recycling to working gas.
Accompanying drawing explanation
Fig. 1 primitive axis flows CO soon 2laser works gas supply schematic diagram;
Fig. 2 axle flows CO soon 2laser works gas recycling plant system drawing;
Concrete component names is as follows:
1, lobe pump or roots blower; 2, lobe pump or roots blower air outlet;
3, high-pressure side heat exchanger; 4, discharge tube;
5, low-pressure side heat exchanger; 6, lobe pump or roots blower air inlet;
7, gear box vacuumizes electromagnetically operated valve; 8, low-pressure side vacuumizes electromagnetically operated valve;
9, vacuum pump discharges pipe; 10, vacuum pump;
11, lobe pump or roots blower gear box; 12, CO 2gas cylinder;
13, He gas cylinder; 14, N 2gas cylinder;
15, gas cell; 16, gas cell output solenoid valve;
17, CO 2gas cylinder pressure-reducing valve; 18, He gas cylinder pressure-reducing valve;
19, N 2gas cylinder pressure-reducing valve; 20, axle flows CO soon 2laser works main body;
21, malleation exports vacuum pump; 22, air accumulator one;
23, pressure sensor one; 24, water-oil separating cooling filter;
25, deaerator is heated; 26, dry cooling filter;
27, pressure sensor two; 28, air accumulator two;
29, air accumulator one inputs electromagnetically operated valve; 30, water-oil separating cooling filter transfer valve;
31, deaerator transfer valve is heated; 32, dry cooling filter transfer valve;
33, dry cooling filter delivery valve; 34, air accumulator two output solenoid valve;
35, the emptying sample valve of air accumulator two; 36, the emptying sample valve of air accumulator one;
37, vacuum pump emptying solenoid valve; 38, water-oil separating cooling filter exhaust blowdown valve;
39, water-oil separating cooling filter water inlet; 40, water-oil separating cooling filter delivery port;
41, dry cooling filter water inlet; 42, dry cooling filter delivery port;
43, deaerator vent valve is heated; 44, dry cooling filter exhaust blowdown valve.
Embodiment
Below in conjunction with drawings and Examples, utility model is described in detail:
The utility model proposes a kind of axle with working gas recycling device and flow CO soon 2laser, it flows CO soon to existing axle 2laser is equipped with corresponding recycling device, to realize the recycling to working gas.
As a kind of specific embodiment of the utility model, the utility model provides schematic diagram a kind of axle with reclaiming re-use device as shown in Figure 2 to flow CO soon 2laser, comprises CO 2gas cylinder 12, He gas cylinder 13, N 2gas cylinder 14, gas cell 15, axle flow CO soon 2laser works main body 20, vacuum pump, air accumulator 1, water-oil separating cooling filter 24, heating deaerator 25, dry cooling filter 26, air accumulator 2 28 and vacuum pump emptying solenoid valve 37, described axle flows CO soon 2laser works main body 20 inner high voltage side heat exchanger 3 is connected with air accumulator two output solenoid valve 34 with gas cell output solenoid valve 16 by pipeline, described gas cell output solenoid valve 16 is connected with gas cell 15 by pipeline, and described gas cell 15 is by pipeline and CO 2gas cylinder pressure-reducing valve 17, He gas cylinder pressure-reducing valve 18 and N 2gas cylinder pressure-reducing valve 19 is connected, described CO 2gas cylinder pressure-reducing valve 17 meets CO 2gas cylinder 12, described He gas cylinder pressure-reducing valve 18 connects He gas cylinder 13, described N 2gas cylinder pressure-reducing valve 19 meets N 2gas cylinder 14, described air accumulator two output solenoid valve 34 connects air accumulator 2 28, described air accumulator 2 28 connects dry cooling filter 26 by dry cooling filter delivery valve 33, dry cooling filter water inlet 41 and dry cooling filter delivery port 42 is had below described dry cooling filter 26, described dry cooling filter 26 connects heating deaerator 25 by dry cooling filter transfer valve 32, described heating deaerator 25 connects water-oil separating cooling filter 24 by heating deaerator transfer valve 31, water-oil separating cooling filter water inlet 39 and water-oil separating cooling filter delivery port 40 is had below described water-oil separating cooling filter 24, described water-oil separating cooling filter 24 connects air accumulator 1 by water-oil separating cooling filter transfer valve 30, described air accumulator 1 inputs electromagnetically operated valve 29 by gas line packing tank one and connects vacuum pump, described air accumulator 1 and air accumulator one input the electromagnetically operated valve 29 pipeline side that is connected vacuum pump emptying solenoid valve 37, described vacuum pump connects low-pressure side by pipeline and vacuumizes electromagnetically operated valve 8 and gear box vacuumizes electromagnetically operated valve 7, described axle flows CO soon 2in laser works main body 20, low-pressure side heat exchanger 5 vacuumizes electromagnetically operated valve 8 by pipeline and low-pressure side and is connected, and described axle flows CO soon 2laser works main body 20 internal tooth roller box 11 vacuumizes electromagnetically operated valve 7 by pipeline and gear box and is connected.
Axle described in the utility model flows CO soon 2laser works main body 20 comprises lobe pump or roots blower 1, high-pressure side heat exchanger 3, discharge tube 4, low-pressure side heat exchanger 5 and lobe pump or roots blower gear box 11, lobe pump or the roots blower air outlet 2 of described lobe pump or roots blower 1 are connected with high-pressure side heat exchanger 3 by pipeline, lobe pump or the roots blower air inlet 6 of described lobe pump or roots blower 1 are connected with low-pressure side heat exchanger 5 by pipeline, described discharge tube 4 is between high-pressure side heat exchanger 3 and low-pressure side heat exchanger 5, described discharge tube 4 is connected with low-pressure side heat exchanger 5 with high-pressure side heat exchanger 3 by pipeline, there are lobe pump or roots blower gear box 11 in described lobe pump or roots blower 1 side, described high-pressure side heat exchanger 3 is connected with air accumulator two output solenoid valve 34 with gas cell output solenoid valve 16 by pipeline, described low-pressure side heat exchanger 5 vacuumizes electromagnetically operated valve 8 by pipeline and low-pressure side and is connected, described lobe pump or roots blower gear box 11 vacuumize electromagnetically operated valve 7 by pipeline and gear box and are connected, the utility model axle flows CO soon 2laser works main body mainly uses above conventional axle to flow CO soon 2laser structure main body.
Vacuum pump described in the utility model is that malleation exports vacuum pump 21, and adopt this vacuum pump, the delivery outlet pressure of its vacuum pump is relatively high, is about 0.2MPa.
Air accumulator 1 volume described in the utility model is 3-5 liter, nominal operation pressure is 0.6MPa, described air accumulator 2 28 volume is 1-2 liter, nominal operation pressure is 0.6MPa, air accumulator one is mainly used in the output buffering that malleation exports vacuum pump, air accumulator two is mainly used in the output buffering purifying rear working gas, therefore above specification is adopted according to corresponding situation, described air accumulator 1 there is pressure sensor 1, described air accumulator 2 28 there is pressure sensor 2 27, the operating pressure that pressure sensor can be corresponding air accumulator is set real-time monitoring data is provided, described air accumulator 1 is provided with the emptying sample valve 36 of air accumulator one, described air accumulator 2 28 is provided with the emptying sample valve 35 of air accumulator two, the emptying sample valve of air accumulator one is for extracting working gas, to flow CO soon to axle 2the working gas extracted out in laser works main body carries out sample analysis, the emptying sample valve of air accumulator two for extracting the working gas in cleaning system, for carrying out sample analysis to the working gas in cleaning system.
Water-oil separating cooling filter exhaust blowdown valve 34 is provided with below water-oil separating cooling filter 24 described in the utility model, be provided with dry cooling filter exhaust blowdown valve 44 below described dry cooling filter 26, after exhaust blowdown valve is set, regularly can be vented blowdown according to needs of production.
Heating deaerator vent valve 43 is had below heating deaerator 25 described in the utility model, be exhausted for heating in oxygen removal process, copper powder or copper scale is had in described heating deaerator 25, heating holding temperature is 600 DEG C-700 DEG C, can produce following two chemical reaction: 2Cu+O at 600 DEG C of-700 DEG C of temperature 2==2CuO, CO+ CuO==CO 2the result of+Cu wherein first reaction is that oxygen in working gas is absorbed by copper powder or copper scale and generates solid CuO, and the result of second reaction is that CO and the CuO in working gas reacts and generates CO 2gas and solid Cu, due to CO originally CO 2decompose and to generate, therefore its oxidized generation CO 2gas is actually and has recovered original CO in working gas 2amount of gas; Another due to CO 2decompose the CO quantity of generation much smaller than the oxygen entering system because of leakage, therefore be safe in this link, the quantity that oxygen and copper react the solid CuO generated also enough is oxidized to CO CO 2.
The utility model apparatus structure and function declaration:
In the utility model, this axle flows CO soon 2laser works gas recycling device mainly comprises gas cell, gas cylinder, axle flow CO soon 2laser works main body, malleation exports vacuum pump, air accumulator one, water-oil separating cooling filter, heating deaerator, dry cooling filter, the second-class several part of air accumulator, for ensureing that cleaning system keeps pressurized operation, in this system former vacuum pump is used instead malleation and export vacuum pump, namely the delivery outlet pressure of vacuum pump is relatively high, be about 0.2MPa, by electromagnetically operated valve, the working gas containing a small amount of impurity is sent into air accumulator one, air accumulator one volume about 3 ~ 5 liters, nominal operation pressure 0.6MPa, be mainly used in the output buffering that malleation exports vacuum pump, it there is a pressure sensor, for the operating pressure of cleaning system monitoring air accumulator one provides real time data.
Working gas again through buffering enters water-oil separating cooling filter by respective valves, and in this link, the oil vapour in working gas becomes liquid and is separated after cooling, and regularly can discharge through exhaust blowdown valve.
The working gas removing oil vapour enters heating deaerator through respective valves again, in heating deaerator, mainly contain copper powder or copper scale, and heating holding temperature is about 600 DEG C ~ 700 DEG C, can produce following two chemical reactions at this temperature:
2Cu+O 2==2CuO；
CO+ CuO== CO 2+Cu；
Wherein the result of first reaction is that oxygen in working gas is absorbed by copper powder or copper scale and generates solid CuO, and the result of second reaction is that CO and the CuO in working gas reacts and generates CO 2gas and solid Cu, due to CO originally CO 2decompose and to generate, therefore its oxidized generation CO 2gas is actually and has recovered original CO in working gas 2amount of gas; Another due to CO 2decompose the CO quantity of generation much smaller than the oxygen entering system because of leakage, therefore in this link, oxygen and copper react the solid CuO generated and enough CO are oxidized to CO 2.
Eliminate O 2with the working gas of CO by heated hot gas, so just entering dry cooling filter after respective valves, first working gas is here cooled, then be by silica gel hygroscopic desiccation and overanxious output, air accumulator two is delivered to through respective valves, air accumulator two volume about 1 ~ 2 liter, nominal operation pressure 0.6MPa, be mainly used in the output buffering purifying rear working gas, it there is a pressure sensor, for the operating pressure of air accumulator two provides real-time monitoring data, the real work pressure general control of air accumulator two is at 0.12 ~ 0.18MPa, maximumly be no more than 0.2MPa, CO is flowed soon to axle by electromagnetically operated valve 2laser works main body air feed.
For ease of detecting working gas composition, the utility model is provided with the emptying sample valve of air accumulator one on air accumulator one, for flowing CO soon to axle 2the working gas extracted out in laser works main body carries out sample analysis; The utility model is provided with the emptying sample valve of air accumulator two on air accumulator two, for carrying out sample analysis to the working gas in cleaning system.
The utility model water-oil separating cooling filter, has cooling water intake and cooling water outlet, for lowering the temperature to working gas to make the abundant cooling liquid of lubricating oil steam, and the inner another device condensed containing promotion lubricating oil such as umbrellas; Be provided with exhaust blowdown valve, can determine every day or blowing time weekly according to practical condition, only needing to close valve before and after it when changing these parts in addition can by its dismounting and change.
The utility model heating deaerator, the utility model has insulation in heating deaerator outside, it there is a vent valve, the appropriate copper scale of inner placement or copper powder, adopt Electric heating, and carry temperature sensor, for detecting feedback heater temperature, (remove CO to ensure that Cu oxidized (removing oxygen) and CO is reduced 2) reaction condition; Heating deaerator on open an inspection hole, use thick quartz glass seals, for observing the degree of oxidation of copper scale or copper powder, when copper scale or copper powder major part oxidized time should change in time, only needing to close valve before and after it when changing these parts can by its dismounting and change.
The dry cooling filter of the utility model has cooling water intake and cooling water outlet, and for lowering the temperature to working gas, cooling target is 20 ~ 25 DEG C, and with temperature sensor for detecting cooled working gas temperature; Be provided with exhaust blowdown valve, only needing to close valve before and after it when changing these parts can by its dismounting and change.Due to seldom moisture in working gas, therefore adopting silica gel water suction, separately for preventing the solid granules such as CuO from entering in working gas, needing to carry out overanxious process herein.
The utility model low-pressure side vacuumizes electromagnetically operated valve, and its aperture is comparatively large, is used for reducing rapidly axle flows CO soon when just start 2the absolute pressure of laser works main body, to reach the object started fast; Lobe pump or roots blower gear box vacuumize electromagnetically operated valve, object is the absolute pressure of absolute pressure lower than the circulatory system of maintenance gear box, a large amount of lubricating oil so just can be avoided to enter the circulatory system, but it also make the working gas vacuumizing electromagnetically operated valve through lobe pump or roots blower gear box contain a large amount of lubricating oil steam simultaneously; When normal work, lobe pump or roots blower gear box vacuumize electromagnetically operated valve and often open, and low-pressure side vacuumizes electromagnetically operated valve and according to circumstances can suitably open or not open.
It is emptying to air that the utility model vacuum pump emptying solenoid valve is used for vacuum pump, before just start, relatively many containing foreign gas in the circulatory system caused due to the system leak because not starting shooting for a long time, therefore when just starting shooting, the circulatory system should in 0.5 of just start ~ suitably take a breath within an hour, specifically to be coordinated with vacuum pump emptying solenoid valve by gas cell output solenoid valve and carry out; When the one highest wisdom circulatory system is always leaked within 5mbar during not starting shooting, can not take a breath, when air accumulator one inputs electromagnetically operated valve unlatching, working gas enters air accumulator once starting working gas purification process, and finally entering axle through air accumulator two output solenoid valve flows CO soon 2laser works main body; It is all the big orifice electromagnetically operated valve that the very large resistance of latus rectum is very little that vacuum pump emptying solenoid valve and air accumulator one input electromagnetically operated valve, one must be had to be open when vacuum pump is opened, also one can only be had to be open, and certain operator can switch at any time according to working gas situation.
The utility model is in working gas Recovery Purifying recycling process, and the open and close of air accumulator two output solenoid valve flow CO by control system soon according to axle 2operating pressure height in laser works main body decides, and this also relates to gear box and vacuumizes electromagnetically operated valve and low-pressure side vacuumizes electromagnetically operated valve, and their threes coordinate to ensure that axle flows CO soon jointly 2laser works body of work is stablized near pressure one.
The utility model is in working gas Recovery Purifying recycling process, because the nitrogen leaked into system can make nitrogen content in working gas exceed the regulation ratio upper limit through the long period, at this moment just need to open particular job body refresh routine, namely first close air accumulator one and input electromagnetically operated valve, open vacuum pump emptying solenoid valve simultaneously, system is outwards vented, when exhaust tank two pressure is lower than 0.12MPa, first closedown vacuum pump emptying solenoid valve is opened air accumulator one simultaneously and is inputted electromagnetically operated valve, air accumulator two output solenoid valve of stopping using again enables gas cell output solenoid valve simultaneously, in system, CO is sent in proportion by gas cell output solenoid valve 2and He, so just can reduce the nitrogen content in working gas, until in working gas, nitrogen content drops near regulation ratio lower limit or exhaust tank two pressure to reach 0.18MPa in limited time, more inactive gas cell output solenoid valve enables air accumulator two output solenoid valve simultaneously, general when circulatory system leak rate one timing, open particular job gas replenishment and also just decided program loop.
The above; it is only preferred embodiment of the present utility model; not restriction the utility model being made to any other form, and any amendment done according to technical spirit of the present utility model or equivalent variations, still belong to the utility model scope required for protection.

Claims (9)

1. the axle with working gas recycling device flows CO soon 2laser, comprises CO 2gas cylinder (12), He gas cylinder (13), N 2gas cylinder (14), gas cell (15), axle flow CO soon 2laser works main body (20), vacuum pump, air accumulator one (22), water-oil separating cooling filter (24), heating deaerator (25), dry cooling filter (26), air accumulator two (28) and vacuum pump emptying solenoid valve (37), is characterized in that: described axle flows CO soon 2laser works main body (20) inner high voltage side heat exchanger (3) is connected with air accumulator two output solenoid valve (34) with gas cell output solenoid valve (16) by pipeline, described gas cell output solenoid valve (16) is connected with gas cell (15) by pipeline, and described gas cell (15) is by pipeline and CO 2gas cylinder pressure-reducing valve (17), He gas cylinder pressure-reducing valve (18) and N 2gas cylinder pressure-reducing valve (19) is connected, described CO 2gas cylinder pressure-reducing valve (17) meets CO 2gas cylinder (12), described He gas cylinder pressure-reducing valve (18) connects He gas cylinder (13), described N 2gas cylinder pressure-reducing valve (19) meets N 2gas cylinder (14), described air accumulator two output solenoid valve (34) connects air accumulator two (28), described air accumulator two (28) connects dry cooling filter (26) by dry cooling filter delivery valve (33), there are dry cooling filter water inlet (41) and dry cooling filter delivery port (42) in described dry cooling filter (26) below, described dry cooling filter (26) connects heating deaerator (25) by dry cooling filter transfer valve (32), described heating deaerator (25) connects water-oil separating cooling filter (24) by heating deaerator transfer valve (31), there are water-oil separating cooling filter water inlet (39) and water-oil separating cooling filter delivery port (40) in described water-oil separating cooling filter (24) below, described water-oil separating cooling filter (24) connects air accumulator one (22) by water-oil separating cooling filter transfer valve (30), described air accumulator one (22) inputs electromagnetically operated valve (29) by gas line packing tank one and connects vacuum pump, described air accumulator one (22) and air accumulator one input electromagnetically operated valve (29) the pipeline side that is connected vacuum pump emptying solenoid valve (37), described vacuum pump connects low-pressure side by pipeline and vacuumizes electromagnetically operated valve (8) and gear box vacuumizes electromagnetically operated valve (7), described axle flows CO soon 2the interior low-pressure side heat exchanger (5) of laser works main body (20) vacuumizes electromagnetically operated valve (8) by pipeline and low-pressure side and is connected, and described axle flows CO soon 2laser works main body (20) internal tooth roller box (11) vacuumizes electromagnetically operated valve (7) by pipeline and gear box and is connected.
2. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: described axle flows CO soon 2laser works main body (20) comprises lobe pump or roots blower (1), high-pressure side heat exchanger (3), discharge tube (4), low-pressure side heat exchanger (5) and lobe pump or roots blower gear box (11), lobe pump or the roots blower air outlet (2) of described lobe pump or roots blower (1) are connected with high-pressure side heat exchanger (3) by pipeline, lobe pump or the roots blower air inlet (6) of described lobe pump or roots blower (1) are connected with low-pressure side heat exchanger (5) by pipeline, described discharge tube (4) is between high-pressure side heat exchanger (3) and low-pressure side heat exchanger (5), described discharge tube (4) is connected with low-pressure side heat exchanger (5) with high-pressure side heat exchanger (3) by pipeline, there are lobe pump or roots blower gear box (11) in described lobe pump or roots blower (1) side, described high-pressure side heat exchanger (3) is connected with air accumulator two output solenoid valve (34) with gas cell output solenoid valve (16) by pipeline, described low-pressure side heat exchanger (5) vacuumizes electromagnetically operated valve (8) by pipeline and low-pressure side and is connected, described lobe pump or roots blower gear box (11) vacuumize electromagnetically operated valve (7) by pipeline and gear box and are connected.
3. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: described vacuum pump is that malleation exports vacuum pump (21).
4. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: described air accumulator one (22) volume is 3-5 liter, and nominal operation pressure is 0.6MPa, and described air accumulator two (28) volume is 1-2 liter, and nominal operation pressure is 0.6MPa.
5. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: described air accumulator one (22) has pressure sensor one (23), and described air accumulator two (28) has pressure sensor two (27).
6. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: described air accumulator one (22) is provided with the emptying sample valve of air accumulator one (36), and described air accumulator two (28) is provided with the emptying sample valve of air accumulator two (35).
7. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: described water-oil separating cooling filter (24) below is provided with water-oil separating cooling filter exhaust blowdown valve (34), and described dry cooling filter (26) below is provided with dry cooling filter exhaust blowdown valve (44).
8. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: there is heating deaerator vent valve (43) described heating deaerator (25) below.
9. a kind of axle with working gas recycling device according to claim 1 flows CO soon 2laser, is characterized in that: have copper powder or copper scale in described heating deaerator (25), and heating holding temperature is 600 DEG C-700 DEG C.
CN201520366296.9U 2015-06-01 2015-06-01 A kind of axle with working gas recycling device flows CO soon 2laser Withdrawn - After Issue CN204615140U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520366296.9U CN204615140U (en) 2015-06-01 2015-06-01 A kind of axle with working gas recycling device flows CO soon 2laser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520366296.9U CN204615140U (en) 2015-06-01 2015-06-01 A kind of axle with working gas recycling device flows CO soon 2laser

Publications (1)

Publication Number Publication Date
CN204615140U true CN204615140U (en) 2015-09-02

Family

ID=53967665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520366296.9U Withdrawn - After Issue CN204615140U (en) 2015-06-01 2015-06-01 A kind of axle with working gas recycling device flows CO soon 2laser

Country Status (1)

Country Link
CN (1) CN204615140U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104821476A (en) * 2015-06-01 2015-08-05 金陵科技学院 Fast-axial-flow CO2 laser with working gas recycling device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104821476A (en) * 2015-06-01 2015-08-05 金陵科技学院 Fast-axial-flow CO2 laser with working gas recycling device
CN104821476B (en) * 2015-06-01 2017-08-22 金陵科技学院 A kind of axle with working gas recycling device flows CO soon2Laser

Similar Documents

Publication Publication Date Title
CN109097121A (en) A kind of gas dehydration demercuration and mercury recyclable device and method
CN204615140U (en) A kind of axle with working gas recycling device flows CO soon 2laser
CN204201873U (en) A kind of boiler deoxidizing method equipment of novel energy-conserving
CN101402001A (en) Oil gas recycling and processing apparatus, condensation adsorption method thereof
CN103657328A (en) Novel condensation purification apparatus and application
CN108144408A (en) A kind of recovery system for organic solvent and its recovery method
CN104821476A (en) Fast-axial-flow CO2 laser with working gas recycling device
CN109202069B (en) Hard alloy degreasing equipment and method
CN208340417U (en) N-butanol exhaust treatment system
CN206959667U (en) Flue gas waste heat recovery apparatus with heat-pipe heat exchanger
CN206543508U (en) It is a kind of using liquid nitrogen as low-temperature receiver and the vehicular VOCs condensate recovery systems of nitrogen source
CN115089992A (en) Method for recycling VOCs (volatile organic compounds) gas through shallow cold adsorption desorption
CN108339213A (en) A kind of collection device and method of oil product storage tank volatile organic matter
CN204769758U (en) Be applied to cleaner of complicated oxygen pipe network
CN203663668U (en) Activation absorption device for PVC (polyvinyl chloride) process by calcium carbide method
CN207101945U (en) A kind of anticorrosive paint process steam formula condenser device
CN205269338U (en) Laboratory hazardous gas purifier
CN206996204U (en) A kind of processing system for condensing recovery industrial methanol waste gas
CN216778371U (en) Contain H2 organic waste gas safety processing system
CN111561494A (en) Hydraulic system oil dewatering and degassing device
CN103728157A (en) Sampling system of iodine pentafluoride or antimony fluoride
CN206188781U (en) Lees exhaust treatment device that cools down by force
CN210486285U (en) Vacuum drying system
CN204779656U (en) Utilize device of converter steam more than needed as evaporation cooling tower dust removal gas medium
CN217431351U (en) Hydrogen sulfide waste gas treatment system and control equipment

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20150902

Effective date of abandoning: 20170822