CN103127738B - Double-layer flash tank - Google Patents
Double-layer flash tank Download PDFInfo
- Publication number
- CN103127738B CN103127738B CN201310051815.8A CN201310051815A CN103127738B CN 103127738 B CN103127738 B CN 103127738B CN 201310051815 A CN201310051815 A CN 201310051815A CN 103127738 B CN103127738 B CN 103127738B
- Authority
- CN
- China
- Prior art keywords
- tank body
- steam
- liquid level
- flash
- double
- 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.)
- Active
Links
Abstract
The invention provides a double-layer flash tank. A tank body is arranged in an embedded type structure of an inner layer tank body and an outer layer tank body, a mixture of external steam condensate water and steam is directly led to the inner layer tank body, the condensate water upwells under the action of pressure, the steam and the water of the mixture are separated through dilatation, part of the condensate water is flashed to be steam, a cone-shaped hopper device is arranged on the top portion of the tank body so as to improve the effect of separation of the steam and the water, the steam and part of non-condensable gas are discharged through a pipeline on the top portion of the tank body; returned condensate water bounces back and forth between baffles on the inner wall so that further vaporization and separation of the steam and the water are achieved, the high and low liquid level portions in the tank body are led to a liquid level transmitter, signals output by the liquid level transmitter are adjusted by a liquid level controller, opening degree of a liquid adjusting valve is controlled by the output signals so that the purpose that the flash tank is controlled automatically is achieved. Compared with an existing flash tank, the double-layer flash tank is high in steam generation efficiency.
Description
Technical field
The present invention relates to a kind of efficient flash tank, be specifically related to a kind of double-deck flash tank.
Background technology
At present, in industrial fluids system applies field, high temperature and high pressure steam is widely used, and the recycling of the steam condensate (SC) after using becomes the important step of whole production line energy-saving and emission-reduction.Flash tank is as the critical component in steam-condensation water circulation system, can carry out carbonated drink separation to steam condensate (SC), the indirect steam flashing off can be again in, steam vapour system, condensate water is discharged and enters boiler room or slip house and reclaim and use.
Existing flash tank all adopts cylindrical individual layer pot type structure, and tank body, as flash distillation expansion space, is welded with recessed hemispherical porous stainless steel plate for increasing steam-water separation effect in tank, then without other devices, flash distillation and steam-water separation effect are poor.And existing flash tank all adopts high-low pressure signal in tank is caused to DCS(Distributed Control System, Distributed Control System) to realize liquid level in tank, control, the control that can increase like this DCS is counted and the use amount of communication cable, thereby increased the cost of whole control system, liquid level sensor and controller apart from each other, operation and observation are got up comparatively inconvenient.
Summary of the invention
The object of the present invention is to provide a kind of double-deck flash tank, further to improve the efficiency of the carbonated drink separation of flash tank, can also realize automatically controlling on the spot flash tank liquid level.
For achieving the above object, the present invention has adopted following technical scheme:
This bilayer flash tank comprises outer tank body, flash-off steam output channel and steam condensate (SC) input channel, flash-off steam output channel is connected with the top of outer tank body, one end of steam condensate (SC) input channel is arranged on outer tank body, the other end is connected with the internal layer tank body in being arranged at outer tank body, and the upper end of internal layer tank body is open type.
In described outer tank body, be provided with funnel, the upper end of funnel is relative with flash-off steam output channel, and the lower end of funnel is relative with the upper end of internal layer tank body, offers several apertures on the conical surface of funnel, and the bottom of internal layer tank body is provided with osculum.
In described outer tank body, be provided with several spaced circuluses, circulus is comprised of the downward-sloping baffle plate being circumferentially arranged along outer tank body, and baffle plate is connected with the inwall of outer tank body.
In described outer tank body, be provided with stay pipe, one end of stay pipe is connected with the inwall of outer tank body, and the other end is connected with the outer wall of internal layer tank body.
Described stay pipe is two, and two stay pipes and steam condensate (SC) input channel are arranged in isosceles triangle.
Described double-deck flash tank also comprises liquid-level auto-control device and the condensate output transistor road being connected with outer tank body, liquid-level auto-control device comprises fluid level transmitter, fluid level controller and the Liquid level adjusting valve being arranged at outside outer tank body, Liquid level adjusting valve is connected with condensate output transistor road, fluid level controller is connected with Liquid level adjusting valve and fluid level transmitter respectively, and fluid level transmitter is connected with the high-pressure side pressure guiding pipe and the low-pressure side pressure guiding pipe that are arranged on outer tank body respectively.
Described double-deck flash tank also comprises water pump and check-valves, check-valves is arranged on the connecting line in Liquid level adjusting valve and condensate output transistor road, one end of water pump is connected with condensate output transistor road, and the other end is connected with the entrance point of Liquid level adjusting valve, and fluid level controller is connected with water pump.
Described fluid level controller comprises liquid level control chip and the A/D converter being connected with liquid level control chip, LCDs, parameter adjusting button and several light-coupled isolation relays, fluid level transmitter is connected with A/D converter, and water pump and Liquid level adjusting valve are connected with corresponding light-coupled isolation relay respectively.
Beneficial effect of the present invention is embodied in:
Flash tank of the present invention adopts inside and outside nested type double layers of tank body structure, steam condensate (SC) directly passes into " flash distillation " in internal layer tank body and becomes steam, steam is upwards ejected to outer tank body top with water by internal layer tank body top, compares with existing flash tank, and flash efficiency significantly improves.
In the outer tank body top of flash tank of the present invention, be provided with funnel, on steam water interface, gush after the funnel device of encountering top, carbonated drink is further separated, flash efficiency is further improved, on the conical surface of funnel, have a plurality of apertures, isolated condensed water flows to outer tank base along aperture simultaneously.
The outer inner tank wall of flash tank of the present invention is placed with baffle plate, by the steam water interface gushing on internal layer tank body, partly diffuse to surrounding, after encountering baffle plate, can again carry out carbonated drink separation, steam with condensed water water upwards gush run into the funnel at top after steam continue to rise, condensed water is got back to outer tank body inner side by bounce-back, continues attack back and forth, further vaporization of condensed water in this process after running into baffle plate, thereby improved flash efficiency, also made carbonated drink separation fully be completed.
Flash tank of the present invention arranges liquid-level auto-control device outward at tank body, can automatically control the water level of condensed water in tank body., compare with existing automatic control system, simple to operate, controller, sensor and actuator are relatively near meanwhile, are swift in response, and control better effects if.
By the improvement of above machinery and control two aspects, make structurally compact and reasonable more of double-deck flash tank of the present invention, more simple and efficient in control mode, actual effect shows, compares with traditional flash tank, and flash efficiency has improved 15 ~ 25%, speed control has improved 4 ~ 6 seconds, cost 5% left and right, and can show on the spot and arrange, operate more succinct.
Accompanying drawing explanation
Fig. 1 is the structural representation of double-deck flash tank of the present invention;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the partial enlarged drawing at B place in Fig. 1;
Fig. 4 is the circuit diagram of fluid level controller of the present invention;
In figure: outer tank body 1, steam condensate (SC) input channel 2, internal layer tank body 3, baffle plate 4, funnel 5, flash-off steam output channel 6, low-pressure side pressure guiding pipe 7, stay pipe 8, high-pressure side pressure guiding pipe 9, fluid level transmitter 10, fluid level controller 11, Liquid level adjusting valve 12, water pump 13, check-valves 14, condensate output transistor road 15, sewage draining exit 16, aperture 17, 4# light-coupled isolation relay 18, 3# light-coupled isolation relay 19, 2# light-coupled isolation relay 20, 1# light-coupled isolation relay 21, A/D converter 22, liquid level control chip 23, LCDs 24, K00 button 25, K01 button 26, K02 button 27, K03 button 28.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, double-deck flash tank of the present invention comprises outer tank body 1, flash-off steam output channel 6 and steam condensate (SC) input channel 2, one end of flash-off steam output channel 6 is connected with the top of outer tank body 1, the bottom of outer tank body is provided with sewage draining exit 16, one end of steam condensate (SC) input channel 2 is arranged on outer tank body 1, the other end is connected with the internal layer tank body 3 in being arranged at outer tank body 1, the upper end of internal layer tank body 3 is relative with the top of outer tank body 1, the upper end of internal layer tank body 3 is open type, make the steam condensate (SC) of input upwards to gush out thus.In described outer tank body 1, be provided with the funnel 5 being fixedly linked by three stainless steel strips with outer tank body top, the upper end of funnel 5 is relative with flash-off steam output channel 6, the lower end of funnel 5 is relative with the upper end of internal layer tank body 3, on the conical surface of funnel 5, offer several apertures 17, the bottom of internal layer tank body 3 is provided with osculum, funnel is for improving the steam-water separation effect of steam condensate (SC), and internal layer tank base is provided with a plurality of osculums, is convenient to the outflow of condensed water.In described outer tank body 1, be provided with several spaced circuluses, circulus is comprised of the downward-sloping baffle plate 4 being circumferentially arranged along outer tank body 1, and baffle plate 4 is connected with the inwall of outer tank body 1.Such as, along the scope at outer inner tank wall middle part 1/3, fixing 6 ~ 8 layers of width is 50mm left and right, the stainless steel annular baffle plate of oblique lower approximately 45 °,
In described outer tank body 1, be provided with stay pipe 8, one end of stay pipe 8 is connected with the inwall of outer tank body 1, and the other end is connected with the outer wall of internal layer tank body 3.Described stay pipe 8 is two, and two stay pipes become for supporting the delta structure of internal layer tank body along internal layer tank body circumferential array with steam condensate (SC) input channel 2.
Described double-deck flash tank also comprises liquid-level auto-control device and the condensate output transistor road 15 being connected with outer tank body 1, liquid-level auto-control device comprises fluid level transmitter 10, fluid level controller 11 and the Liquid level adjusting valve 12 being arranged at outside outer tank body 1, Liquid level adjusting valve 12 is connected with condensate output transistor road 15, fluid level controller 11 is connected with Liquid level adjusting valve 12 and fluid level transmitter 10 respectively, and fluid level transmitter 10 is connected with the high-pressure side pressure guiding pipe 9 and the low-pressure side pressure guiding pipe 7 that are arranged on outer tank body 1 respectively.Described double-deck flash tank also comprises water pump 13 and check-valves 14, check-valves 14 is arranged on the connecting line in Liquid level adjusting valve 12 and condensate output transistor road 15, one end of water pump 13 is connected with condensate output transistor road 15, the other end is connected with the entrance point of Liquid level adjusting valve 12, and fluid level controller 11 is connected with water pump 13.
Described fluid level controller 11 comprises that model is the liquid level control chip 23 of AT89S52 and the A/D converter 22 being connected with liquid level control chip 23, LCDs 24, parameter adjusting button and several light-coupled isolation relays, fluid level transmitter 10 is connected with A/D converter 22, and water pump 13 and Liquid level adjusting valve 12 are connected with corresponding light-coupled isolation relay respectively.One end of A/D converter 22 is connected with the passage P0.0 of liquid level control chip, and the other end is connected with fluid level transmitter; One end of 1# light-coupled isolation relay 21 is connected with the passage P0.1 of liquid level control chip, and the other end is connected with Liquid level adjusting valve valve opening signal terminal; One end of 2# light-coupled isolation relay 20 is connected with the passage P0.2 of liquid level control chip, and the other end closes valve signal terminal with Liquid level adjusting valve and is connected; One end of 3# light-coupled isolation relay 19 is connected with the passage P0.3 of liquid level control chip, and the other end is connected with starting mode of pump signal terminal; One end of 4# light-coupled isolation relay 18 is connected with the passage P0.4 of liquid level control chip, and the other end is connected with water pump stop signal terminal; K00 button 25 is connected with the passage P1.4 of liquid level control chip, for parameter regulates ACK button; K01 button 26 is connected with the passage P1.5 of liquid level control chip, for parameter regulates option and switching push button; K02 button 27 is connected with the passage P1.6 of liquid level control chip, for numeral increases button; K03 button 28 is connected with the passage P1.7 of liquid level control chip, and for numeral reduces button, passage P1.0, P1.1, P1.2 and the P1.3 of liquid level control chip is connected with LCDs 24 respectively.
The steam condensate (SC) flash principle of double-deck flash tank of the present invention is:
Drying cylinder steam condensate (SC) out enters into internal layer tank body 3 from steam condensate (SC) input channel 2, because steam condensate (SC) is now HTHP saturation state, after entering flash tank, there is sufficient expansion space, so the pressure of condensed water sharply declines, boiling point also and then declines, a large amount of sensible heats is absorbed with latent heat form by water after discharging, and causes that part water is become steam by " flash distillation ".Steam is upwards gushed from internal layer tank body 3 bottoms with water, the rear steam of funnel 5 that runs into outer tank body 1 top continues to rise, condensed water is rebounded in backflash steaming pot, partial condensation water is diffused into outer tank body 1 inner side and runs into the rear continuation of baffle plate 4 attack back and forth, further vaporization of condensed water in this process, thereby improved flash efficiency, also made carbonated drink separation fully be completed.
The flash efficiency of the flash tank relating in the present invention is defined as follows:
Computing formula by evaporated water:
In (1) formula, C---specific heat of water (kcal/kg ℃);
The latent heat of vaporization of L---water (kcal/kg);
G
m---the flow (kg/h) of water;
T
i---the inlet temperature of water (℃);
T
o---the outlet temperature of water (℃).
C and L are wherein constant, and evaporated water is decided by flow and the import and export temperature difference (t of water
i-t
o).Flash efficiency is:
G in formula (2)
alwaysbe the total Water that enters flash tank, general individual layer flash tank flash efficiency is 70% ~ 80%, and double-deck flash tank flash efficiency of the present invention can reach 95% left and right.
The liquid level control principle of double-deck flash tank of the present invention:
The pressure of flash tank high-pressure side and low-pressure side causes fluid level transmitter 10 through low-pressure side pressure guiding pipe 7 and high-pressure side pressure guiding pipe 9,10 pairs of differential pressure signals of fluid level transmitter are processed the liquid level analog signal obtaining and are sent in the A/D converter 22 of fluid level controller 11, through the signal of changing, can be presented on LCDs 24.By the button on fluid level controller, can input the setting value of liquid level, when actual liquid level is higher than when setting value, the passage P0.1 of liquid level control chip connects, and controls Liquid level adjusting valve and opens; When actual liquid level is lower than when setting value, passage P0.1 disconnects, and passage P0.2 connects, and controls Liquid level adjusting valve and closes.When actual liquid level, higher than setting value and passage P0.1, connect, when after Liquid level adjusting valve standard-sized sheet, flash tank liquid level still can not reduce, passage P0.3 connects, and water pump starts to start assists to draw water; When actual liquid level is lower than when setting value, passage P0.3 disconnects, and passage P0.4 connects, and water pump is out of service, and when liquid level continues to drop to some values, passage P0.1 disconnects, and passage P0.2 connects, and control Liquid level adjusting valve is closed.
Embodiment
The present invention relates to a kind of efficient flash tank with liquid-level auto-control device, adopt inside and outside two-layer nesting type structure, outer flash tank tank body inner top is installed conical hopper device, and the staggered welding of inwall baffle plate, makes flash tank have the efficient flash distillation function separated with carbonated drink.Tank body outside causes fluid level transmitter by pressure guiding pipe by the pressure of high pressure and low-pressure side, liquid level signal after processing is controlled automatically through fluid level controller, the aperture of signal controlling Liquid level adjusting valve and the start and stop of water pump of output, thus reach the object of automatic liquid level control.Fluid level controller comprises that A/D converter, single-chip microcomputer liquid level control chip, LCDs, parameter regulate button, light-coupled isolation relay etc.The signal of input is exported through the processing of program again, and the important parameter in process can be presented on display screen, and setting parameter also can regulate on button and carry out in parameter fast.
Conical hopper device is fixed on the top cover of outer flash tank, and the d diameter of having an appointment at place is the circular hole of 8mm, is convenient to condensed water and refluxes fast, and ∠ cde is about 90 ° of left and right, and a plurality of small sircle holes distribute in the cd of funnel device and de section; Internal layer flash tank tank body is isosceles triangle by steam condensate (SC) input channel and 2 stay pipes to be fixed, the diameter b of internal layer flash tank tank body is 1/3 to 1/2 of outer flash tank tank diameter a, in internal layer flash tank tank base, be uniformly distributed a plurality of circular holes, be convenient to internal condensation water and discharge.Outer flash tank tank body top is provided with pipeline for discharging flash-off steam and part incoagulable gas, and bottom pipe is for blowdown, and there is condensate output transistor road side.
This efficient flash tank, its tank body adopts inside and outside nested type cylindrical structure, and external steam condensed water directly passes into internal layer flash tank tank body, and pressure-acting makes to gush on condensed water, makes its part " flash distillation " for steam again through dilatation.The tank top of outer flash tank tank body has conical hopper device separated for carbonated drink, and steam and part incoagulable gas are exported by tank deck pipeline; The condensed water returning by attack back and forth, can be realized condensed water further vaporization and heat exchange between inner wall baffle-plate.High-low pressure is directed to fluid level transmitter in tank, after the liquid level signal of its output regulates by fluid level controller, and the aperture of signal controlling Liquid level adjusting valve of output and the start and stop of water pump, thus reach the object of automatic control flash tank liquid level.
Claims (7)
1. a double-deck flash tank, it is characterized in that: this bilayer flash tank comprises outer tank body (1), flash-off steam output channel (6) and steam condensate (SC) input channel (2), flash-off steam output channel (6) is connected with the top of outer tank body (1), one end of steam condensate (SC) input channel (2) is arranged on outer tank body (1), the other end is connected with the internal layer tank body (3) in being arranged at outer tank body (1), and the upper end of internal layer tank body (3) is open type;
In described outer tank body (1), be provided with funnel (5), the upper end of funnel (5) is relative with flash-off steam output channel (6), the lower end of funnel (5) is relative with the upper end of internal layer tank body (3), on the conical surface of funnel (5), offer several apertures (17), the bottom of internal layer tank body (3) is provided with osculum.
2. a kind of double-deck flash tank according to claim 1, it is characterized in that: in described outer tank body (1), be provided with several spaced circuluses, circulus is comprised of the downward-sloping baffle plate (4) being circumferentially arranged along outer tank body (1), and baffle plate (4) is connected with the inwall of outer tank body (1).
3. a kind of double-deck flash tank according to claim 1, it is characterized in that: in described outer tank body (1), be provided with stay pipe (8), one end of stay pipe (8) is connected with the inwall of outer tank body (1), and the other end is connected with the outer wall of internal layer tank body (3).
4. a kind of double-deck flash tank according to claim 3, is characterized in that: described stay pipe (8) is two, and two stay pipes and steam condensate (SC) input channel (2) are arranged in isosceles triangle.
5. a kind of double-deck flash tank according to claim 1, it is characterized in that: described double-deck flash tank also comprises liquid-level auto-control device and the condensate output transistor road (15) being connected with outer tank body (1), liquid-level auto-control device comprises the fluid level transmitter (10) being arranged at outside outer tank body (1), fluid level controller (11) and Liquid level adjusting valve (12), Liquid level adjusting valve (12) is connected with condensate output transistor road (15), fluid level controller (11) is connected with Liquid level adjusting valve (12) and fluid level transmitter (10) respectively, fluid level transmitter (10) is connected with the high-pressure side pressure guiding pipe (9) and the low-pressure side pressure guiding pipe (7) that are arranged on outer tank body (1) respectively.
6. a kind of double-deck flash tank according to claim 5, it is characterized in that: described double-deck flash tank also comprises water pump (13) and check-valves (14), check-valves (14) is arranged on the connecting line in Liquid level adjusting valve (12) and condensate output transistor road (15), one end of water pump (13) is connected with condensate output transistor road (15), the other end is connected with the entrance point of Liquid level adjusting valve (12), and fluid level controller (11) is connected with water pump (13).
7. a kind of double-deck flash tank according to claim 6, it is characterized in that: described fluid level controller (11) comprises liquid level control chip (23) and the A/D converter (22) being connected with liquid level control chip (23), LCDs (24), parameter adjusting button and several light-coupled isolation relays, fluid level transmitter (10) is connected with A/D converter (22), and water pump (13) and Liquid level adjusting valve (12) are connected with corresponding light-coupled isolation relay respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310051815.8A CN103127738B (en) | 2013-02-18 | 2013-02-18 | Double-layer flash tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310051815.8A CN103127738B (en) | 2013-02-18 | 2013-02-18 | Double-layer flash tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103127738A CN103127738A (en) | 2013-06-05 |
| CN103127738B true CN103127738B (en) | 2014-10-29 |
Family
ID=48488573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310051815.8A Active CN103127738B (en) | 2013-02-18 | 2013-02-18 | Double-layer flash tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103127738B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471416B (en) * | 2013-09-03 | 2015-08-19 | 嘉兴科隆化工有限公司 | A kind of dead steam recovery system |
| CN104344048A (en) * | 2014-10-10 | 2015-02-11 | 中国神华能源股份有限公司 | Liquid level regulating device and liquid level regulating method |
| CN112628714B (en) * | 2021-03-08 | 2021-05-07 | 烟台全涛节能科技有限公司 | Steam-water proportion regulating valve for steam condensate flash tank |
| CN114576408B (en) * | 2022-05-05 | 2022-07-12 | 江苏九九久特种纤维制品有限公司 | Sealed non-return equipment for chemical fiber manufacturing |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3853672A (en) * | 1973-01-09 | 1974-12-10 | Monsanto Co | Falling strand devolatilizer using one preheater with two flash chambers |
| US4199537A (en) * | 1975-09-26 | 1980-04-22 | Snamprogetti S.P.A. | Liquid distributor for thin-film, tube-bundle apparatus |
| CN201415064Y (en) * | 2009-04-03 | 2010-03-03 | 北京泽华化学工程有限公司 | Flash evaporator used in chemical production |
| CN101921005B (en) * | 2010-07-30 | 2012-04-25 | 北京理工大学 | Self-water storage type multi-stage vertical wall falling film condensation and distillation device |
| CN201894862U (en) * | 2010-11-30 | 2011-07-13 | 苏州市中衡压力容器制造有限公司 | Flash evaporator |
| CN102389641A (en) * | 2011-09-28 | 2012-03-28 | 温州市宇达轻工机械有限公司 | Falling film plate type evaporation device |
| CN102513048A (en) * | 2011-12-22 | 2012-06-27 | 南京昊扬化工装备有限公司 | Cellular jacketed esterification kettle |
-
2013
- 2013-02-18 CN CN201310051815.8A patent/CN103127738B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103127738A (en) | 2013-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103127738B (en) | Double-layer flash tank | |
| CN105757983A (en) | Condensing boiler | |
| RU2007134389A (en) | DIRECT STEAM GENERATOR | |
| CN201344745Y (en) | Boiler blow-down afterheat recovering device | |
| CN201037692Y (en) | Hot-water heating steam heating pot device | |
| CN201748849U (en) | Parallel running cooling tower group | |
| CN211694842U (en) | Deoxidization water tank | |
| CN201237340Y (en) | Energy-saving instant water boiling equipment | |
| CN205579981U (en) | Condensing boiler | |
| CN103243010A (en) | Distiller condenser for brewing white spirits | |
| CN201306703Y (en) | Steam trap | |
| CN208074924U (en) | Through-flow boiler | |
| CN202267093U (en) | Energy-saving kitchen range | |
| CN207471518U (en) | Regular unloading container | |
| CN201748846U (en) | Water distribution device for cooling tower and cooling tower group | |
| CN211079709U (en) | External water vapor automatic separation drainer for steam iron | |
| CN104848538B (en) | A kind of spent hot water's heat pump of recovering residual heat water heater | |
| CN2380785Y (en) | Pressure-equalized continuous water-discharging type steam bleeder | |
| CN209352871U (en) | The storage fractionating system of functional form fruit wine | |
| CN212252574U (en) | Heat power type energy-saving drainage flash tank | |
| CN202158555U (en) | Device for utilizing waste heat of drained sewage of steam boiler | |
| CN217439081U (en) | Low water level intelligent non-negative pressure water supply equipment with detection function | |
| CN210717490U (en) | Combined sewage discharge flash tank | |
| CN211628520U (en) | Prevent hydraulics experiment water tank of ponding | |
| CN207570361U (en) | Steam heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |