CN204478593U - A kind of dry evaporator - Google Patents
A kind of dry evaporator Download PDFInfo
- Publication number
- CN204478593U CN204478593U CN201520138906.XU CN201520138906U CN204478593U CN 204478593 U CN204478593 U CN 204478593U CN 201520138906 U CN201520138906 U CN 201520138906U CN 204478593 U CN204478593 U CN 204478593U
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- CN
- China
- Prior art keywords
- dry
- evaporating device
- refrigerating medium
- valve
- dry evaporating
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- 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.)
- Expired - Fee Related
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Abstract
A kind of dry evaporator, comprise 1# dry evaporating device, 2# dry evaporating device, circulating pump and clean cycle case, 1# dry evaporating device is provided with 1# refrigerating medium feed tube and 1# refrigerating medium drain pipe, 2# dry evaporating device is provided with 2# refrigerating medium feed tube and 2# refrigerating medium drain pipe, in use by the control to valve, 1# dry evaporating device and 2# dry evaporating device can be used alternatingly, and refrigerating medium alternately two-way flow in the cylinder of dry evaporating device can be made by by-pass valve control, avoid the damage because refrigerating medium one-way flow causes deflection plate, start circulating pump and open wash-out valve, cleaning and descaling can be carried out to the tube bank outer surface of 1# dry evaporating device and 2# dry evaporating device, of the present utility model reasonable in design, safe and reliable, simple to operate, easy to use, energy-efficient, be easy to promote on a large scale and use.
Description
technical field:
The utility model belongs to art of refrigeration units, is specifically related to a kind of dry evaporator.
background technology:
Along with China's industrial expansion and progress, refrigeration plant is widely used, what existing market used mainly contains dry evaporator and flooded evaporator two kinds, the cold-producing medium of dry evaporator is at Bottomhole pressure, refrigerating medium is in the outer flowing of tube bank, thus reach the object of refrigeration, the large percentage of dry evaporator is used at present in freezer, but the usefulness of the dry evaporator of existing freezer is extremely low, and service life is shorter, main cause is that dry evaporator is after long-time use, the outer wall fouling of tube bank can be caused serious, thus reduce caused by conductibility, the flow direction of its refrigerating medium of dry evaporator current in addition in evaporimeter cylinder remains unchanged, long-time use can cause deflection plate one side seriously impaired, reduce the service life of deflection plate, cause maintenance and difficult in maintenance, increase production cost.
utility model content:
The utility model makes up and improves above-mentioned the deficiencies in the prior art part, and provide a kind of reasonable in design, safe and reliable, simple to operate, easy to use, energy-efficient a kind of dry evaporator, can promote on a large scale and use.
The technical solution adopted in the utility model is: a kind of dry evaporator, comprise 1# dry evaporating device, 2# dry evaporating device, circulating pump and clean cycle case, 1# dry evaporating device is provided with 1# refrigerating medium feed tube and 1# refrigerating medium drain pipe, 2# dry evaporating device is provided with 2# refrigerating medium feed tube and 2# refrigerating medium drain pipe, clean cycle case is provided with outlet pipe, 1# return pipe and 2# return pipe, 1# refrigerating medium feed tube is provided with 1# liquid feed valve from top to bottom successively, bypass line and 1# return pipe, 1# return pipe is provided with 1# back-water valve (BWV), 1# refrigerating medium drain pipe is provided with tube connector and 1# liquid valve from top to bottom successively, 2# refrigerating medium feed tube is provided with tube connector and 2# liquid feed valve from top to bottom successively, 2# refrigerating medium drain pipe is provided with 2# liquid valve from top to bottom successively, bypass line and 2# return pipe, bypass line is provided with control valve, 2# return pipe is provided with 2# back-water valve (BWV), described outlet pipe is connected with tube connector by threeway, outlet pipe is provided with ball valve and circulating pump successively.
The material of described clean cycle case is glass-reinforced plastic material.
Described circulating pump is acid-proof pump.
The beneficial effects of the utility model: reasonable in design, safe and reliable, simple to operate, easy to use, energy-efficient, be easy to promote on a large scale and use.In use by the control to valve, 1# dry evaporating device and 2# dry evaporating device can be used alternatingly, like this when 1# dry evaporating device or 2# dry evaporating device break down maintenance, can ensure that the refrigeration system of freezer continues to play its function, and refrigerating medium alternately two-way flow in the cylinder of dry evaporating device can be made by by-pass valve control, avoid the damage because refrigerating medium one-way flow causes deflection plate, effectively improve the service life of deflection plate, reduce the production cost of enterprise, in addition due to long use, as water, the refrigerating mediums such as salt solution can in the outer surface fouling of tube bank, fouling can make the conductibility of tube bank reduce, reduce the usefulness of evaporimeter, this evaporator designs cleaning and descaling system, the cleaning agent such as hydrochloric acid or complexing is added in clean cycle case, start circulating pump and open wash-out valve, cleaning and descaling can be carried out to the tube bank outer surface of 1# dry evaporating device and 2# dry evaporating device, the conductibility of tube bank can be improved significantly after cleaning, closely improve the usefulness of evaporimeter, reach the object of energy-conserving and environment-protective, economic benefit and social benefit is brought to enterprise.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
detailed description of the invention:
With reference to Fig. 1, a kind of dry evaporator, comprise 1# dry evaporating device, 2# dry evaporating device, circulating pump 12 and clean cycle case 14, 1# dry evaporating device is provided with 1# refrigerating medium feed tube 17 and 1# refrigerating medium drain pipe 1, 2# dry evaporating device is provided with 2# refrigerating medium feed tube 4 and 2# refrigerating medium drain pipe 7, clean cycle case 14 is provided with outlet pipe 13, 1# return pipe 15 and 2# return pipe 9, 1# refrigerating medium feed tube 17 is provided with 1# liquid feed valve 19 from top to bottom successively, bypass line 3 and 1# return pipe 15, 1# return pipe 15 is provided with 1# back-water valve (BWV) 16, 1# refrigerating medium drain pipe 1 is provided with tube connector 11 and 1# liquid valve 18 from top to bottom successively, 2# refrigerating medium feed tube 4 is provided with tube connector 11 and 2# liquid feed valve 6 from top to bottom successively, 2# refrigerating medium drain pipe 7 is provided with 2# liquid valve 5 from top to bottom successively, bypass line 3 and 2# return pipe 9, bypass line 3 is provided with control valve 2, 2# return pipe 9 is provided with 2# back-water valve (BWV) 8, described outlet pipe 13 is connected with tube connector 11 by threeway, outlet pipe 13 is provided with successively ball valve 10 and circulating pump 12, the material of described clean cycle case 14 is glass-reinforced plastic material, described circulating pump 12 is acid-proof pump.When using 1# dry evaporating device to use terminal to freeze for 1#, 2# dry evaporating device is shut down, and now 1# liquid feed valve 19 and 1# liquid valve 18 are in opening, and other valve is in closed condition; Be used alternatingly vaporising device after two months, first close 1# dry evaporating device, open control valve 2 and 2# liquid feed valve 6, close 1# liquid valve 18, finally open 2# dry evaporating device, now 2# dry evaporating device is in refrigerating state, and the flow direction of refrigerating medium in the cylinder of 2# dry type refrigerating plant be used alone 2# dry type refrigerating plant be 2# use terminal to freeze time refrigerating medium flow direction contrary, bimester after be used alternatingly 1# dry evaporating device again; When using 2# dry evaporating device to use terminal to freeze for 2#, 1# dry evaporating device is shut down, and now 2# liquid feed valve 6 and 2# liquid valve 5 are in opening, and other valve is in closed condition; Be used alternatingly vaporising device after two months, first close 2# dry evaporating device, open control valve 2 and 1# liquid valve 18, close 2# liquid feed valve 6, finally open 1# dry evaporating device, now 1# dry evaporating device is in refrigerating state, and the flow direction of refrigerating medium in the cylinder of 1# dry type refrigerating plant be used alone 1# dry type refrigerating plant be 1# use terminal to freeze time refrigerating medium flow direction contrary, bimester after be used alternatingly again, 2# dry evaporating device; 1# uses terminal and 2# to use terminal be same freezer refrigerating and be used alone; When using 2# dry evaporating device to use terminal to freeze for 2#, regularly can carry out cleaning and descaling to 1# dry evaporating device, first open 1# back-water valve (BWV) 16, ball valve 10 and 1# liquid valve 18 during cleaning, then in clean cycle case 14, add cleaning agent, start circulating pump 12 and carry out matting; When using 1# dry evaporating device to use terminal to freeze for 1#, regularly can carry out cleaning and descaling to 2# dry evaporating device, first open 2# back-water valve (BWV) 8, ball valve 10 and 2# liquid feed valve 6 during cleaning, then in clean cycle case 14, add cleaning agent, start circulating pump 12 and carry out matting.Of the present utility model reasonable in design, safe and reliable, simple to operate, easy to use, energy-efficient, be easy to promote on a large scale and use.
Claims (3)
1. a dry evaporator, comprise 1# dry evaporating device, 2# dry evaporating device, circulating pump (12) and clean cycle case (14), it is characterized in that: 1# dry evaporating device is provided with 1# refrigerating medium feed tube (17) and 1# refrigerating medium drain pipe (1), 2# dry evaporating device is provided with 2# refrigerating medium feed tube (4) and 2# refrigerating medium drain pipe (7), clean cycle case (14) is provided with outlet pipe (13), 1# return pipe (15) and 2# return pipe (9), 1# refrigerating medium feed tube (17) is provided with 1# liquid feed valve (19) from top to bottom successively, bypass line (3) and 1# return pipe (15), 1# return pipe (15) is provided with 1# back-water valve (BWV) (16), 1# refrigerating medium drain pipe (1) is provided with from top to bottom successively tube connector (11) and 1# liquid valve (18), 2# refrigerating medium feed tube (4) is provided with from top to bottom successively tube connector (11) and 2# liquid feed valve (6), 2# refrigerating medium drain pipe (7) is provided with 2# liquid valve (5) from top to bottom successively, bypass line (3) and 2# return pipe (9), bypass line (3) is provided with control valve (2), 2# return pipe (9) is provided with 2# back-water valve (BWV) (8), described outlet pipe (13) is connected with tube connector (11) by threeway, outlet pipe (13) is provided with successively ball valve (10) and circulating pump (12).
2. a kind of dry evaporator according to claim 1, is characterized in that: the material of described clean cycle case (14) is glass-reinforced plastic material.
3. a kind of dry evaporator according to claim 1, is characterized in that: described circulating pump (12) is acid-proof pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138906.XU CN204478593U (en) | 2015-03-12 | 2015-03-12 | A kind of dry evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520138906.XU CN204478593U (en) | 2015-03-12 | 2015-03-12 | A kind of dry evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204478593U true CN204478593U (en) | 2015-07-15 |
Family
ID=53634380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520138906.XU Expired - Fee Related CN204478593U (en) | 2015-03-12 | 2015-03-12 | A kind of dry evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204478593U (en) |
-
2015
- 2015-03-12 CN CN201520138906.XU patent/CN204478593U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20160312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |