CN218030662U - Pneumatic condensate pump driven by air cylinder - Google Patents

Pneumatic condensate pump driven by air cylinder Download PDF

Info

Publication number
CN218030662U
CN218030662U CN202222249321.8U CN202222249321U CN218030662U CN 218030662 U CN218030662 U CN 218030662U CN 202222249321 U CN202222249321 U CN 202222249321U CN 218030662 U CN218030662 U CN 218030662U
Authority
CN
China
Prior art keywords
storage tank
body storage
pump body
condensate
air
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
Application number
CN202222249321.8U
Other languages
Chinese (zh)
Inventor
王贲
康亚军
杨晓洋
洪伟鹏
洪雄岩
郭金鼎
陈亚山
吴鸿鹏
饶大双
洪文辉
洪新伟
洪新强
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.)
Yingqiao Machinery Manufacturing Co ltd
Original Assignee
Yingqiao Machinery Manufacturing Co ltd
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 Yingqiao Machinery Manufacturing Co ltd filed Critical Yingqiao Machinery Manufacturing Co ltd
Priority to CN202222249321.8U priority Critical patent/CN218030662U/en
Application granted granted Critical
Publication of CN218030662U publication Critical patent/CN218030662U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model provides a simple structure, convenient pneumatic condensate pump of cylinder drive of use, including draw together pump body storage tank, set up in be used for on the pump body storage tank sealed pump body storage tank pump cover, set up in be used for on the pump body storage tank to supply the water inlet that the condensate flowed in, set up in on the pump body storage tank with water inlet cooperatees the confession condensate exhaust outlet, thereby still be provided with on the pump cover and be used for controlling in the pump body storage tank the air inlet thereby control pump body storage tank in the condensate exhaust pump body storage tank or control pump body storage tank in thereby the pump body storage tank exhaust control condensate water gets into the air pressure control device of pump body storage tank, thereby water inlet and drain department still be provided with thereby the anti-backflow device who closes the water inlet when condensate water goes out pump body storage tank and avoids the condensate to flow backward from the water inlet or close the outlet when the condensate water flows into the storage tank thereby avoid the condensate water backflow of the pump body storage tank that has flowed out the outlet.

Description

Pneumatic condensate pump driven by air cylinder
Technical Field
The utility model relates to a condensate pump technical field, in particular to pneumatic condensate pump of cylinder driven.
Background
Condensate pump is the important condensate recovery plant that the condensate that ensures steam system normal work in produced can fully can recycle, the energy saving, the condensate is high temperature and the demineralized water through water treatment, the recovery of condensate can retrieve heat energy wherein on the one hand, and fuel saving avoids causing the energy waste, reduces environmental pollution, and on the other hand can practice thrift the valuable water resource, saves chemical, reduces the blowdown loss.
The energy consumed by the steam heating system plays an important role in energy consumption in China, the recovery of condensed water of the steam system is crucial to the saving of system heat energy, the recovery of the condensed water not only saves coal, but also correspondingly reduces the discharge amount of CO2, SO2 and dust generated by burning the part of the coal, and simultaneously means that auxiliary raw materials, electric power, water, manpower, equipment depreciation and the like consumed by producing the part of the steam are saved, SO the condensed water pump is an energy-saving and environment-friendly product.
In the market at present, the types of common condensate pumps are an electric condensate pump, a mechanical floating ball type pneumatic condensate pump and the like, because the condensate water of a steam system has the characteristic of high temperature, the high-temperature condensate water is very easy to cause cavitation of an impeller and leakage of a mechanical seal, the impeller and the mechanical seal are frequently replaced, and the long-term stable operation of the electric condensate pump is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure, use convenient a pneumatic condensate pump of cylinder drive.
For realizing the above-mentioned purpose, the technical scheme of the utility model a pneumatic condensate pump of cylinder driven is provided, including draw together pump body storage tank, set up in be used for on the pump body storage tank sealed pump body storage tank pump cover, set up in be used for on the pump body storage tank supplying the water inlet that the condensate flowed in, set up in on the pump body storage tank with the water inlet cooperatees and supplies condensate exhaust outlet, thereby still be provided with on the pump cover and be used for controlling in the pump body storage tank thereby the interior condensate discharge pump body storage tank of admitting air of control pump body storage tank or control pump body storage tank thereby the atmospheric pressure control device of the interior exhaust pump body storage tank of control condensate control that the condensate got into, thereby water inlet and drain department still be provided with thereby the atmospheric pressure control device cooperate and close the water inlet when condensate discharge pump body storage tank and avoid the condensate to flow out from the water inlet or close thereby the condensate backflow device of the outlet of avoiding having flowed out the outlet when the condensate flow goes into the pump body.
The further improvement is that: the air pressure control device includes: the air inlet device is arranged on the pump cover, the exhaust device is arranged on the pump cover, and the pump cover is further provided with a valve core connecting plate which is used for simultaneously controlling the opening and closing states of the air inlet device and the exhaust device so that the air inlet device can not intake air when exhausting or the air inlet device can not exhaust air when the air inlet device intakes air.
The further improvement is that: the air intake device includes: the pump cover is provided with an air inlet valve seat which is connected with an external power air source and is used for conveying air into the pump body storage tank, and the air inlet valve seat is internally provided with a self-sealing device which is used for automatically closing the air inlet valve seat and is convenient to open when the pump body storage tank does not need to admit air.
The further improvement is that: the self-sealing device comprises: the air inlet valve comprises a sealing ball which can be arranged in an air inlet valve seat in a sliding mode up and down, an annular limiting table which is arranged in the air inlet valve seat and used for preventing the sealing ball from sliding downwards into a pump body storage tank and can be matched with the sealing ball to seal the air inlet valve seat, and an air inlet valve needle which is arranged on a valve core connecting plate and used for jacking the sealing ball through the annular limiting table when the valve core connecting plate translates upwards so as to remove sealing.
The further improvement is that: the exhaust apparatus includes: the air exhaust valve is arranged on the pump cover, is connected with the external atmospheric environment, is commonly used for exhausting air in the pump body storage tank, and is arranged on the valve core connecting plate, and is used for closing the air exhaust valve seat along with the upward translation of the valve core connecting plate or opening the air exhaust valve seat along with the downward translation of the valve core connecting plate.
The further improvement is that: the driving device includes: the support frame is arranged on the pump cover, the driving air cylinder is arranged on the support frame and connected with an external air pump, and a piston rod of the driving air cylinder penetrates through the pump body storage tank and is connected with the valve core connecting plate to be used for driving the valve core connecting plate to move up and down.
The further improvement is that: the backflow prevention device comprises: set up in water inlet department is used for preventing the condensate water from the first check valve of water inlet department backward flow pump body storage tank, set up in drain outlet department is used for preventing the condensate water that has flowed out pump body storage tank from flowing back pump body storage tank and can supply the second check valve that the condensate water flows out when atmospheric pressure increases.
The further improvement is that: and the pump cover is also provided with a liquid level control device which is convenient for automatically adjusting the liquid level in the pump body storage tank.
The further improvement is that: the liquid level control device is as follows: the pump cover is provided with a liquid level meter which is used for detecting the liquid level height in the pump body storage tank so as to be matched with the air pressure control device to drive condensed water to be discharged out of the pump body storage tank.
The further improvement is that: and air guide holes for accelerating air inlet speed and air exhaust speed are also formed in the air inlet valve seat and the air exhaust valve seat.
The utility model has the advantages and the beneficial effects that:
1. simple structure, it is convenient to use, and pump body storage tank is inside not to have the moving part that directly relieves with the condensate water, has avoided the cavitation that long-time contact condensate water can produce to and beat and lead to the possibility that moving part damages and breaks down by the condensate water, prolonged condensate pump's life, practiced thrift social resources.
2. Be provided with from airtight device on the inlet valve seat, can be airtight inlet valve seat when not admitting air, when avoiding exhausting, gaseous from the inlet valve seat internal flow pump body storage tank, atmospheric pressure in the increase pump body storage tank influences the condensate flow and goes into pump body storage tank, has promoted work efficiency.
3. The air inlet valve seat and the air exhaust valve seat are in linkage control through a mechanical structure, the structure is simple, the maintenance is convenient, the air inlet valve needle, the air exhaust valve core, the air inlet valve seat and the air exhaust valve seat can be replaced quickly when damaged, and a user can repair the valve conveniently, so that the work of a pipeline system is not influenced.
4. The drain outlet department and water inlet department are provided with first check valve and second check valve, have avoided condensate pump in the course of the work, and the condensate refluence influences the work efficiency of condensate pump.
Drawings
FIG. 1 is a schematic front sectional view of a pneumatic condensate pump driven by a cylinder according to the present invention;
fig. 2 is a schematic top view of a pneumatic condensate pump driven by a cylinder according to the present invention;
FIG. 3 is a schematic side view, in cross-section, of a pneumatic condensate pump driven by a cylinder according to the present invention;
fig. 4 is an enlarged schematic view of a pneumatic condensate pump a driven by a cylinder according to the present invention;
in the figure: the device comprises a pump body storage tank 1, a pump cover 2, a water inlet 3, a water outlet 4, a valve core connecting plate 5, an air inlet valve seat 6, a sealing ball 7, an annular limiting table 8, an air inlet valve needle 9, an air exhaust valve seat 10, an air exhaust valve core 11, a support frame 12, a driving cylinder 13, a liquid level meter 14, an air guide hole 15, a sealing gasket 16, a sealing filler 17, an air inlet valve seat sealing gasket 18 and an air exhaust valve seat sealing gasket 19.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-4, an air cylinder driven pneumatic condensate pump includes a pump body storage tank 1, a pump cover 2 disposed on the pump body storage tank 1 for sealing the pump body storage tank 1, a water inlet 3 disposed on the pump body storage tank 1 for allowing the inflow of condensate, and a water outlet 4 disposed on the pump body storage tank 1 and matched with the water inlet 3 for discharging the condensate, the pump cover 2 is further provided with an air pressure control device for controlling the air intake in the pump body storage tank 1 to control the condensate in the pump body storage tank 1 to be discharged from the pump body storage tank 1 or controlling the air exhaust in the pump body storage tank 1 to control the condensate entering the pump body storage tank 1, the air pressure control device includes: set up in air inlet unit on the pump cover 2, set up in exhaust apparatus on the pump cover 2, still be provided with through drive arrangement on the pump cover 2 and be used for simultaneous control air inlet unit and exhaust apparatus on-off state to make exhaust apparatus can't admit air or air inlet unit can't carminative case connecting plate 5 when admitting air when exhaust apparatus is at the exhaust, thereby water inlet 3 and outlet 4 department still be provided with air pressure control device cooperate and close water inlet 3 when condensate water goes out the pump body storage tank thereby avoid condensate water to flow out from water inlet 3 or close outlet 4 when condensate water flows into pump body storage tank 1 thereby avoid the condensate water who has flowed out outlet 4 to flow back to the anti-backflow device of pump body storage tank 1.
In order to facilitate the air intake of the pump body storage tank 1 and to ensure that the air intake device is automatically closed when air intake is not required, the air intake device comprises: set up in be used for to pump body storage tank 1 internal gas transmission's inlet valve seat 6 with outside power air supply be linked together on the pump cover 2, still be provided with in the inlet valve seat 6 and be used for self-closing inlet valve seat 6 and open convenient self-sealing device when pump body storage tank 1 need not to admit air, self-sealing device includes: the sealing device comprises a sealing ball 7 which can be arranged in an air inlet valve seat 6 in a vertically sliding mode, an annular limiting table 8 which is arranged in the air inlet valve seat 6 and used for preventing the sealing ball 7 from sliding downwards into a pump body storage tank 1 and can be matched with the sealing ball 7 to seal the air inlet valve seat 6, and an air inlet valve needle 9 which is arranged on a valve core connecting plate 5 and used for jacking the sealing ball 7 through the annular limiting table 8 when the valve core connecting plate 5 translates upwards so as to remove sealing, wherein the external power air source can adopt steam or compressed air with pressure higher than that of a condensed water discharge port 4 of the pump body storage tank 1.
In order to facilitate the exhaust of the exhaust device, the exhaust device comprises: the air exhaust valve seat 10 is arranged on the pump cover 2 and communicated with the external atmosphere environment to exhaust air in the pump body storage tank 1, and the air exhaust valve core 11 is arranged on the valve core connecting plate 5 and used for closing the air exhaust valve seat 10 along with upward translation of the valve core connecting plate 5 or opening the air exhaust valve seat 10 along with downward translation of the valve core connecting plate 5.
In order to facilitate the use of driving valve core connecting plate 5 to translate up and down, the driving device comprises: the pump cover is characterized by comprising a support frame 12 arranged on the pump cover 2 and a driving air cylinder 13 arranged on the support frame 12 and connected with an external air pump, wherein a piston rod of the driving air cylinder 13 penetrates into the pump body storage tank 1 and is connected with the valve core connecting plate 5 to be used for driving the valve core connecting plate 5 to move up and down.
In order to prevent the condensate backflow from affecting the operation of the condensate pump, the backflow preventing device comprises: a first check valve (not shown) arranged at the water inlet 3 and used for preventing condensed water from flowing back out of the pump body storage tank 1 from the water inlet 3 when the air pressure in the pump body storage tank 1 is increased, and a second check valve (not shown) arranged at the water outlet 4 and used for preventing the condensed water which flows out of the pump body storage tank 1 from flowing back into the pump body storage tank 1 and allowing the condensed water to flow out when the air pressure is increased.
In order to discharge the condensed water in the pump body storage tank 1 more time and flow in less time, so as to ensure that the condensed water pump is in a reasonable working state, the pump cover 2 is further provided with a liquid level control device which is convenient for automatically adjusting the liquid level in the pump body storage tank 1, and the liquid level control device is as follows: the pump cover 2 is provided with a liquid level meter 14 which is used for detecting the liquid level height in the pump body storage tank 1 so as to be matched with an air pressure control device to drive condensate water to be discharged out of the pump body storage tank, the liquid level meter 14 is electrically connected with an external controller (not shown), an electromagnetic valve (not shown) is arranged between an external air pump (not shown) and the driving cylinder 13, and the external controller (not shown) is electrically connected with the electromagnetic valve (not shown) so as to drive the driving cylinder 13 to control the piston rod to move under the condition that the external air pump (not shown) is not closed.
In order to increase the exhaust speed and the intake speed of the exhaust valve seat 10 and the intake valve seat 6, the intake valve seat 6 and the exhaust valve seat 10 are further provided with air vents 15 for increasing the intake speed and the exhaust speed.
In order to prevent the air leakage of the condensate pump in the working process, a sealing gasket 16 used for enhancing the sealing performance is further arranged between the pump cover 2 and the pump body storage tank 1, a sealing filler 17 used for preventing the air leakage of the pump body storage tank 1 when the piston rod slides up and down is further arranged between the piston rod of the driving cylinder 13 and the pump cover 2, an air inlet valve seat sealing gasket 18 used for enhancing the sealing performance is further arranged between the air inlet valve seat 6 and the pump cover 2, and an air outlet valve seat sealing gasket 19 used for enhancing the sealing performance is further arranged between the air outlet valve seat 10 and the pump cover 2.
The working principle is as follows: when the condensate pump is used, the condensate pump is arranged on a pipeline, and condensate generated by a steam system pushes a first check valve (not shown in the figure) to enter the pump body storage tank 1 from the water inlet 3 through gravity, so that the condensate is stored in the pump body storage tank 1.
When the liquid level meter 14 detects that the liquid level is too high, a signal is sent to an external controller (not shown), the external controller (not shown) controls an electromagnetic valve (not shown), so as to drive the driving cylinder 13 to control the piston rod to drive the valve core connecting plate 5 to move upwards, at this time, the air inlet valve needle 9 on the valve core connecting plate 5 jacks up the sealing ball 7 which is tightly pressed on the annular limiting table 8 by an external power air source, so that external air enters the pump body storage tank 1 through the air inlet valve seat 6, at this time, the air outlet valve core 11 on the valve core connecting plate 5 abuts against the air outlet valve seat 10 to seal an air outlet, so that leakage of air entering the pump body storage tank 1 is avoided, when the air pressure in the pump body storage tank 1 is increased, a pressure for pushing the condensed water to a peripheral pipeline is generated, the condensed water pushed to the water inlet 3 is blocked by the first check valve (not shown in the figure) so that the condensed water cannot flow out of the storage tank 1, and the condensed water pushed to the water outlet 4 is pushed to jack up the second check valve (not shown in the figure) under the pressure, so that the pump body storage tank 1 smoothly flows out to other pipelines.
When the liquid level meter 14 detects that the liquid level is too low, a signal is sent to an external controller (not shown), the external controller (not shown) controls an electromagnetic valve (not shown), so that the driving cylinder 13 is driven to control the piston rod to drive the valve core connecting plate 5 to move downwards, at this time, the air inlet valve needle 9 on the valve core connecting plate 5 releases the resistance on the sealing ball 7, the sealing ball 7 is pressed on the annular limit table 8 under the action of an external power air source and gravity, so that the external power air is prevented from flowing into the pump body storage tank 1, meanwhile, the air exhaust valve core 11 is separated from the air exhaust valve seat 10, the sealing of the air exhaust valve seat 10 is released, so that the air in the pump body storage tank 1 is exhausted out of the pump body storage tank 1, so that the air pressure in the pump body storage tank 1 is reduced, at this time, the condensed water can push a first check valve (not shown in the figure) to flow into the pump body storage tank 1 under the action of gravity, and the condensed water which has flowed out of the pump body storage tank 1 is blocked by a second check valve (not shown in the figure), so that the condensed water which has flowed out is prevented from flowing back to the pump body storage tank 1.
And then the circulation is carried out, the condensed water in the pump body storage tank 1 is discharged at a high liquid level, the condensed water enters the pump body storage tank 1 at a low liquid level, and the condensed water is sent to a higher position from a lower position in a cycle.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.

Claims (10)

1. The utility model provides a pneumatic condensate pump of cylinder driven, including draw together the pump body storage tank, set up in be used for the pump cover of sealed pump body storage tank on the pump body storage tank, set up in be used for on the pump body storage tank for the water inlet that the condensate water flows in, set up in on the pump body storage tank with the water inlet cooperatees and supplies condensate water exhaust outlet, its characterized in that: thereby still be provided with the atmospheric control device who is used for controlling thereby the pump body storage tank interior condensate discharge pump body storage tank of admitting air in the pump body storage tank or controls the pump body storage tank of the interior exhaust of pump body storage tank and control the pump body storage tank that the condensate got into, thereby water inlet and drain outlet department still be provided with thereby the atmospheric control device cooperatees and closes the water inlet when the condensate flows out pump body storage tank and avoid the condensate of condensate from the water inlet outflow or close the outlet when the condensate flows into pump body storage tank and thereby avoid the refluence of the condensate of the outlet that has flowed back to the pump body storage tank to prevent the device that refluxes.
2. A cylinder driven pneumatic condensate pump as claimed in claim 1, wherein: the air pressure control device includes: the air inlet device is arranged on the pump cover, the exhaust device is arranged on the pump cover, and the pump cover is further provided with a valve core connecting plate which is used for simultaneously controlling the opening and closing states of the air inlet device and the exhaust device so that the air inlet device can not intake air when exhausting or the air inlet device can not exhaust air when the air inlet device intakes air.
3. A cylinder driven pneumatic condensate pump as claimed in claim 2, wherein: the air intake device includes: the self-sealing device is arranged on the pump cover, is connected with an external power air source and is used for conveying air to the pump body storage tank, and is also internally provided with a self-sealing device which is used for automatically closing the air inlet valve seat and is convenient to open when the pump body storage tank does not need to admit air.
4. A cylinder driven pneumatic condensate pump according to claim 3, wherein: the self-sealing device comprises: the air inlet valve comprises a sealing ball which can be arranged in an air inlet valve seat in a sliding mode up and down, an annular limiting table which is arranged in the air inlet valve seat and used for preventing the sealing ball from sliding downwards into a pump body storage tank and can be matched with the sealing ball to seal the air inlet valve seat, and an air inlet valve needle which is arranged on a valve core connecting plate and used for jacking the sealing ball through the annular limiting table when the valve core connecting plate translates upwards so as to remove sealing.
5. A cylinder driven pneumatic condensate pump as claimed in claim 3, wherein: the exhaust apparatus includes: the air exhaust valve is arranged on the pump cover, is connected with the external atmospheric environment, is commonly used for exhausting air in the pump body storage tank, and is arranged on the valve core connecting plate, and is used for closing the air exhaust valve seat along with the upward translation of the valve core connecting plate or opening the air exhaust valve seat along with the downward translation of the valve core connecting plate.
6. A cylinder driven pneumatic condensate pump as claimed in claim 2, wherein: the driving device includes: the support frame is arranged on the pump cover, the driving air cylinder is arranged on the support frame and connected with an external air pump, and a piston rod of the driving air cylinder penetrates through the pump body storage tank and is connected with the valve core connecting plate to be used for driving the valve core connecting plate to move up and down.
7. A cylinder driven pneumatic condensate pump as claimed in claim 1, wherein: the backflow prevention device comprises: set up in water inlet department is used for preventing the condensate water from the first check valve of water inlet department backward flow pump body storage tank, set up in drain outlet department is used for preventing the condensate water that has flowed out pump body storage tank from flowing back pump body storage tank and can supply the second check valve that the condensate water flows out when atmospheric pressure increases.
8. A cylinder driven pneumatic condensate pump as claimed in claim 1, wherein: and the pump cover is also provided with a liquid level control device which is convenient for automatically adjusting the liquid level in the pump body storage tank.
9. A cylinder driven pneumatic condensate pump as claimed in claim 8, wherein: the liquid level control device is as follows: the pump cover is provided with a liquid level meter which is used for detecting the liquid level height in the pump body storage tank so as to be matched with the air pressure control device to drive condensed water to be discharged out of the pump body storage tank.
10. A cylinder driven pneumatic condensate pump as claimed in claim 5, wherein: and air guide holes for accelerating air inlet speed and air exhaust speed are also formed in the air inlet valve seat and the air exhaust valve seat.
CN202222249321.8U 2022-08-25 2022-08-25 Pneumatic condensate pump driven by air cylinder Active CN218030662U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222249321.8U CN218030662U (en) 2022-08-25 2022-08-25 Pneumatic condensate pump driven by air cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222249321.8U CN218030662U (en) 2022-08-25 2022-08-25 Pneumatic condensate pump driven by air cylinder

Publications (1)

Publication Number Publication Date
CN218030662U true CN218030662U (en) 2022-12-13

Family

ID=84351806

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222249321.8U Active CN218030662U (en) 2022-08-25 2022-08-25 Pneumatic condensate pump driven by air cylinder

Country Status (1)

Country Link
CN (1) CN218030662U (en)

Similar Documents

Publication Publication Date Title
CN218030662U (en) Pneumatic condensate pump driven by air cylinder
CN115263765A (en) Pneumatic condensate pump driven by air cylinder
CN101737362A (en) Self-control fluid jet and drainage lift pump
CN116838413A (en) Low concentration gas power generation blending device
CN201310470Y (en) Automatic control fluid jet drainage lift pump
CN115681087A (en) Energy-saving device capable of automatically adjusting air pressure of air compressor
CN201763376U (en) Gas flow reversing mechanism of vertical-type coal mine ventilation air methane oxidation device
CN101334157B (en) Electric heating steam generator
CN212508853U (en) Non-sealing high-efficiency energy-saving quick vertical self-priming pump
CN209414200U (en) A kind of dedicated low pressure high-speed centrifugal fan of textile industry elasticizer
CN2544793Y (en) Negative pressre ammonia rear gas safety environmetally friendly recovery device
CN210290171U (en) High-efficiency energy-saving industrial circulating cooling water device for cement plant
CN219955377U (en) Boiler waste heat recovery device
CN201090451Y (en) Self-absorbing device of pump
CN210799222U (en) Buoyancy water lifting device for water conservancy and hydropower
CN220819345U (en) Oil tank air tightness detection device
CN209991474U (en) Energy-saving flue structure at outlet of induced draft fan
CN2267414Y (en) Pressed hot water supply arrangement
CN216342648U (en) Vacuum negative pressure station
CN214004562U (en) Ice grape wine's fermenting installation
CN213273806U (en) Reverberatory furnace exhaust pipe device with cooling function
CN219399046U (en) Geothermal water degassing device based on geothermal water supply
CN214371836U (en) Automatic vacuum device for gain of condenser
CN201560954U (en) Turbine fluid jet drainage lifting pump
CN212848730U (en) Quantitative liquid injection mechanism for nickel-metal hydride battery

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant