CN205360994U - Aqueous ammonia condensing equipment who adjusted temperature in area - Google Patents
Aqueous ammonia condensing equipment who adjusted temperature in area Download PDFInfo
- Publication number
- CN205360994U CN205360994U CN201620157417.3U CN201620157417U CN205360994U CN 205360994 U CN205360994 U CN 205360994U CN 201620157417 U CN201620157417 U CN 201620157417U CN 205360994 U CN205360994 U CN 205360994U
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- CN
- China
- Prior art keywords
- ammonia
- aqueous ammonia
- condenser
- cooling water
- water inlet
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an aqueous ammonia condensing equipment who adjusted temperature in area, includes the condenser, the condenser is equipped with cooling water inlet, coolant outlet, aqueous ammonia import, aqueous ammonia export. The cooling inlet tube passes through the governing valve and is connected with cooling water inlet. The condenser includes the U -shaped heat exchange tube, goes up the cavity, cavity down, and the condenser is equipped with the tube sheet, the cavity will be gone up to the tube sheet, lower cavity cuts off, and the U -shaped heat exchange tube both ends mouth of pipe is connected and is in on the tube sheet. Epicoele integument baffle is divided into into water side, play water side two parts, and cooling water inlet connects in the side of intaking, and the coolant outlet is connected in a water side. Cavity under the U -shaped heat exchange tube telescope, lower cavity upper portion side is equipped with aqueous ammonia import, aqueous ammonia access connection aqueous ammonia feed liquor pipe, the cavity bottom is equipped with aqueous ammonia export, aqueous ammonia exit linkage aqueous ammonia drain pipe down. Automatic control device is connected to the governing valve, aqueous ammonia drain pipe is equipped with temperature -detecting device, and temperature -detecting device connects automatic control device. The utility model discloses the device can stable absorb the aqueous ammonia to go on under relative low temperature, and the absorption efficiency is high, tail gas emission compliance.
Description
Technical field
This utility model relates to a kind of chemical production device field, is specially a kind of ammonia condensing unit with homoiothermic.
Background technology
nullIn PMIDA produces，The ammonia-containing exhaust produced is through absorbing discharge，Prior art is generally adopted secondary amine water and absorbs tail gas unit，But emission still can not be completely up to standard，Its reason is in that in ammonia-containing exhaust absorption process，Tail gas contacts in absorption tower with absorbing liquid weak ammonia，Produce gas-liquid mass exchange，Ammonia in tail gas enters and is dissolved in weak ammonia，But ammonia to produce heat of solution in dissolving ammonia process or absorb heat，Owing to ammonia is continuous recycling，Ammonia temperature is caused constantly to raise，Although absorption tower outlet is provided with ammonia condenser，But owing to heat exchange area is fixing，The cooling requirement of weak ammonia can not be met，Cause weak ammonia temperature more and more higher，Sometimes more than 60 DEG C，The ammonia meltage in tail gas is made to be substantially reduced in absorption tower，Even absorb the ammonia in liquid and also can enter gas phase owing to temperature raises in tail gas，Ammonia in tail gas is not only absorbed，Temperature owing to absorbing liquid can increase and make the ammonia content in tail gas increase on the contrary，Assimilation effect is caused to worsen，And emission request can not be reached，Therefore，The temperature controlling absorption liquid has just become the key factor of absorption system.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of ammonia condensing unit with homoiothermic, can carry out at relatively low temperature by stable absorption ammonia, and absorption efficiency is high, exhaust emissions is up to standard；And reduce artificial frequent movement, degree of regulation height, recovery ammonia amount greatly, there is good economic benefit and social benefit.
This utility model be the technical scheme is that
A kind of ammonia condensing unit with homoiothermic, including cooling water inlet pipe, cooling water outlet pipe, condenser, ammonia drain pipe, ammonia feed tube.Described condenser is provided with cooling water inlet, coolant outlet, ammonia import, ammonia outlet.Cooling water inlet pipe is connected with cooling water inlet by regulating valve.Condenser includes U-shaped heat exchanger tube, upper cavity, lower chamber, and condenser is provided with tube sheet, and upper cavity, lower chamber are cut off by described tube sheet, and the U-shaped heat exchanger tube two ends mouth of pipe is connected on described tube sheet.Described upper cavity is divided into influent side, water outlet side two parts by dividing plate, and cooling water inlet is connected to influent side, and coolant outlet is connected to water outlet side.Described U-shaped heat exchanger tube packs into lower chamber, and lower chamber upper side is provided with ammonia import, ammonia import connects ammonia feed tube；Being provided with ammonia outlet bottom lower chamber, ammonia outlet connects ammonia drain pipe.
Described adjustment valve connects self-con-tained unit；Described ammonia drain pipe is provided with temperature-detecting device, and temperature-detecting device connects self-con-tained unit.
The outer middle side part of the lower chamber of described condenser is provided with two legs, for condenser is fixed on support.
The water outlet side top of the upper cavity of described condenser is provided with coolant outlet, and coolant outlet connects cooling water outlet pipe.
A kind of ammonia condensing unit with homoiothermic of this utility model, technique effect is as follows:
1), self-con-tained unit by program, cooling sea water regulating valve is adjusted, control cooling water and enter the flow of condenser.Energy saving can be changed by changing the flow velocity of cooling water, be used for regulating heat exchange amount, maintain temperature plateau.
2), this device energy stable absorption ammonia carry out at relatively low temperature, absorption efficiency is high, makes exhaust emissions up to standard, operates automatization, reduces artificial frequent movement, and degree of regulation is high, and recovery ammonia amount is big, has good economic benefit and social benefit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the structural representation of this utility model device.
Detailed description of the invention
As it is shown in figure 1, a kind of ammonia condensing unit with homoiothermic, including cooling water inlet pipe 1, cooling water outlet pipe 4, condenser 5, ammonia drain pipe 10, ammonia feed tube 13.Described condenser 5 is provided with cooling water inlet 14, coolant outlet 15, ammonia import 12, ammonia outlet 9.
Cooling water inlet pipe 1 is connected with cooling water inlet 14 by regulating valve 2.
Condenser 5 includes U-shaped heat exchanger tube, upper cavity 17, lower chamber 18, and condenser 5 is provided with tube sheet, and upper cavity 17, lower chamber 18 are cut off by described tube sheet, and the U-shaped heat exchanger tube two ends mouth of pipe is welded on described tube sheet.
Described upper cavity 17 is divided into influent side, water outlet side two parts by dividing plate 16, and cooling water inlet 14 is welded on influent side, and coolant outlet 15 is welded on water outlet side.Cooling water inlet 14, coolant outlet 15 are cut off by dividing plate 16 simultaneously.
Described U-shaped heat exchanger tube packs into lower chamber 18, and lower chamber 18 upper side is provided with ammonia import 12, ammonia import 12 connects ammonia feed tube 13；Ammonia outlet 9, ammonia outlet 9 connection ammonia drain pipe 10 it is provided with bottom lower chamber 18.
The control line of described adjustment valve 2 connects self-con-tained unit 13, and described ammonia drain pipe 10 is provided with temperature-detecting device 11, and temperature-detecting device 11 connects self-con-tained unit 13 by holding wire.
The outer middle side part of lower chamber 18 of described condenser 5 is provided with two legs 7, for condenser 5 is fixed on support 8.
The water outlet side top of the upper cavity 17 of described condenser 5 is provided with coolant outlet 15, and coolant outlet 15 connects cooling water outlet pipe 4.
Implement step:
Cooling water connects cooling water inlet 14 by cooling down water inlet pipe 1, enter upper cavity 17 influent side of condenser 5, enter back into U-shaped heat exchanger tube entrance point, after U-shaped heat exchanger tube, cooling water enters the water outlet side of the upper cavity 17 of condenser 5 from the water side of U-shaped heat exchanger tube, coolant outlet 15 on water outlet side, to cooling water outlet pipe 4, is discharged to next equipment.
Ammonia is by ammonia feed tube 13 to ammonia import 12, enter lower chamber 18 and the U-shaped heat exchanger tube wall contacts in lower chamber 18 of condenser 5, with the cooling water indirect heat exchange in U-shaped heat exchanger tube, the temperature making ammonia reduces, ammonia after temperature reduction is exported 9 by the ammonia of condenser 5 bottom again and enters ammonia drain pipe 10, then arrives next equipment.
Due to enter ammonia institute with heat be change, so ammonia to maintain certain temperature and be necessary for taking the heat exchange measure of change, feature of the present utility model is to arrange a temperature-detecting device 11 on ammonia drain pipe 10, temperature information is transferred to self-con-tained unit 13, self-con-tained unit 13 carrys out instruction adjustment valve 2 further according to the program set and data ratio and carries out action, by regulating opening big or turning down and change the cooling water flow into condenser heat-exchange pipes of valve 2, thus changing energy saving, to reach the heat exchange demand of ammonia, stablize ammonia and go out the temperature of liquid at 35 DEG C 30 DEG C.
Claims (3)
1. the ammonia condensing unit with homoiothermic, including cooling water inlet pipe (1), cooling water outlet pipe (4), condenser (5), ammonia drain pipe (10), ammonia feed tube (13)；Described condenser (5) is provided with cooling water inlet (14), coolant outlet (15), ammonia import (12), ammonia outlet (9)；It is characterized in that, cooling water inlet pipe (1) is connected with cooling water inlet (14) by regulating valve (2), condenser (5) includes U-shaped heat exchanger tube, upper cavity (17), lower chamber (18), condenser (5) is provided with tube sheet, upper cavity (17), lower chamber (18) are cut off by described tube sheet, and the U-shaped heat exchanger tube two ends mouth of pipe is connected on described tube sheet；Described upper cavity (17) is divided into influent side, water outlet side two parts, cooling water inlet (14) to be connected to influent side by dividing plate (16), and coolant outlet (15) is connected to water outlet side；Described U-shaped heat exchanger tube packs into lower chamber (18), and lower chamber (18) upper side is provided with ammonia import (12), ammonia import (12) connects ammonia feed tube (13)；Lower chamber (18) bottom is provided with ammonia outlet (9), and ammonia outlet (9) connects ammonia drain pipe (10)；Described adjustment valve (2) connects self-con-tained unit (13)；Described ammonia drain pipe (10) is provided with temperature-detecting device (11), and temperature-detecting device (11) connects self-con-tained unit (13).
2. a kind of ammonia condensing unit with homoiothermic according to claim 1, it is characterised in that lower chamber (18) the outer middle side part of described condenser (5) is provided with two legs (7), for being fixed on support (8) by condenser (5).
3. a kind of ammonia condensing unit with homoiothermic according to claim 1, it is characterised in that the water outlet side top of the upper cavity (17) of described condenser (5) is provided with coolant outlet (15), coolant outlet (15) connects cooling water outlet pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157417.3U CN205360994U (en) | 2016-03-02 | 2016-03-02 | Aqueous ammonia condensing equipment who adjusted temperature in area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620157417.3U CN205360994U (en) | 2016-03-02 | 2016-03-02 | Aqueous ammonia condensing equipment who adjusted temperature in area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205360994U true CN205360994U (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620157417.3U Expired - Fee Related CN205360994U (en) | 2016-03-02 | 2016-03-02 | Aqueous ammonia condensing equipment who adjusted temperature in area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205360994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764204A (en) * | 2017-03-10 | 2017-05-31 | 黄淇浩 | A kind of chemical pipeline |
-
2016
- 2016-03-02 CN CN201620157417.3U patent/CN205360994U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764204A (en) * | 2017-03-10 | 2017-05-31 | 黄淇浩 | A kind of chemical pipeline |
| CN106764204B (en) * | 2017-03-10 | 2018-09-07 | 黄淇浩 | A kind of chemical pipeline |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20200302 |