CN202143789U - Crystal catcher - Google Patents
Crystal catcher Download PDFInfo
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- CN202143789U CN202143789U CN201120187098U CN201120187098U CN202143789U CN 202143789 U CN202143789 U CN 202143789U CN 201120187098 U CN201120187098 U CN 201120187098U CN 201120187098 U CN201120187098 U CN 201120187098U CN 202143789 U CN202143789 U CN 202143789U
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- tank body
- working solution
- chilled water
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- screen pack
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Abstract
The utility model discloses a crystal catcher, which comprises a tank body. A liquid inlet and a liquid outlet which are connected with a working liquid circulating system of a liquid ring pump are respectively arranged at the lower part and the upper part of the tank body; a chilled water inlet and a chilled water outlet are respectively arranged at the top of the tank body; a chilled water inlet tube and a chilled water outlet tube are extended from the top to the bottom of the tank body and are communicated at the bottom of the tank body; the tank body is internally provided with a plurality of cooling coils communicated with the water inlet tube and the water outlet tube; a filter net is arranged at the upper part of the tank body close to the lower part of the working liquid outlet; a hot water interface is further arranged at the top of the tank body; and a cleaning solution emptying port is arranged at the bottom of the tank body. The crystal catcher can be used for effectively overcoming the phenomenon that a heat exchanger and the liquid ring pump are blocked by crystals, can be used for greatly reducing pressure of users to stop the pump for maintaining and repairing and is convenient to clean, without affecting normal operation of the liquid ring pump.
Description
Technical field
The utility model relates to a kind of auxiliary equipment of liquid rotary pump working solution circulating system, particularly a kind of crystal trap.
Background technology
Liquid rotary pump is a kind of industrial equipment that is widely used in fields such as oil, chemical industry, coal, pharmacy.Poisonous, the pernicious gas that in extracting production process, produce, inflammable, explosion hazard gases, dust-laden, moisture gas, so vacuum filtration, vacuum feeding, vacuum evaporation, vacuum the aspect such as concentrate, liquid rotary pump has the important function that is difficult to substitute.
Liquid rotary pump is to constitute the liquid rotary pump working solution circulating system with other devices such as heat exchanger and working solution in the process of work, in intrasystem circulation, realizes the purpose of intake-gas through the liquid rotary pump working solution.Generally speaking, guarantee the operate as normal of liquid rotary pump, should the temperature of liquid rotary pump working solution be controlled at about 40 degree Celsius that temperature is too high, can influence the pumping efficiency of liquid rotary pump.Yet, when aspirated, after the higher relatively gas of temperature enters into the liquid rotary pump circulatory system, other that carry secretly in the gas are liquid, perhaps the impurity of powdery will form crystallization gradually in the relatively low working solution of temperature.Along with pumping process continue carry out, crystal is cumulative, and heat exchanger is stopped up, it is not enough to cause working solution to reflux, thereby influences the pumping performance of liquid rotary pump.Even more serious is, accumulate in crystal in the liquid rotary pump cavity can distribution plate and impeller end face attached to liquid rotary pump on, cause the working clearance of liquid rotary pump progressively to diminish, and finally cause liquid rotary pump to be stuck and can't to work because of its impeller and distribution plate.This situation shows particularly seriously at coal, chemical field.
It should be noted that; Even coal gas is sent to before the burning; Earlier materials such as the naphthalene that contains in the coal gas, phenol, anthracene being carried out condensation-crystallization handles; Also usually have in the gas that liquid particles such as the naphthalene that on a small quantity do not have enough time to solidify, phenol, anthracene are mixed in degree more than 40 and be sucked in the liquid rotary pump, these materials can continue to form crystalline particle in the relatively low liquid rotary pump working solution of temperature, add in the gas that liquid rotary pump aspirates and also are entrained with micro-tar; These crystalline particles more are prone on the distribution plate end face attached to heat exchanger or liquid rotary pump, thereby influence the operate as normal of liquid rotary pump.
To the problems referred to above, common way is at set intervals at present, for example a week, just shuts down dismounting heat exchanger and liquid rotary pump, cleans crystal wherein.Though this method also can be dealt with problems, often shut down the raising that dismounting can cause the liquid rotary pump maintenance cost, even the normal production of influence.
The utility model content
In view of the problem that above-mentioned prior art exists, the utility model aims to provide a kind of crystal trap, makes it can capture the crystalline material in the pendular ring pump fluid effectively, thereby guarantees the operate as normal of the liquid rotary pump circulatory system.
In order to solve the problems of the technologies described above, the utility model crystal trap has adopted following technical proposals:
A kind of crystal trap comprises tank body, crystallization cooling system and screen pack; Said tank body is provided with liquid rotary pump working solution inlet, leakage fluid dram; Said crystallization cooling system comprises chilled water water inlet pipe, outlet pipe, and said chilled water water inlet pipe, outlet pipe are inserted in the said tank body outside said tank body respectively, and in said tank body, are communicated with; Said screen pack is arranged on said working solution leakage fluid dram place.
On the basis of technique scheme, the utility model can further adopt following technical proposals, so that solve the utility model technical problem to be solved better:
The working solution inlet is arranged on the bottom of said tank body; Said working solution leakage fluid dram is arranged on the top of said tank body; Said screen pack is arranged on the top of said tank body, near the below at said working solution leakage fluid dram place, the shape of said screen pack is complementary with size and the cross section shape and the size of said tank body in this position.
Further, said chilled water water inlet pipe, outlet pipe insert part in the said tank body be set to spiral so that enlarge the contact area of said chilled water water inlet pipe, outlet pipe and working solution.
Further; In the crystallization cooling system in said tank body; Increase by 1 layer or the cooling coil more than 1 layer, said each layer cooling coil is fixedly connected on respectively on said chilled water water inlet pipe, the outlet pipe, and communicates with said chilled water water inlet pipe, outlet pipe.
Further; At the top of said tank body chilled water water inlet, discharge outlet are set; Make said chilled water water inlet pipe, drainpipe along the direction vertical, be inserted into the bottom from water inlet, the discharge outlet at said tank body top respectively with the cross section of said tank body, and at the bottom lock of said tank body; Said cooling coil is weldingly fixed on said chilled water water inlet pipe, the drainpipe abreast, equably, and its number of plies is 6 to 12 layers.
Further, at the top of said tank body the cleaning interface of hot water is set; In the bottom of said tank body the cleaning fluid evacuation port is set, and the tank body leg is set below said tank body.
Further, the screen pack that its size and shape and said screen pack are complementary is set in said tank body, said screen pack is fixed on the said screen pack; It is 30 to 100 purpose stainless steel screen packs that said screen pack adopts specification.
Further, near the pipeline said working solution inlet and the working solution leakage fluid dram, is furnished with on-the-spot Pressure gauge respectively.
Further, outside said tank body, the working solution by-pass line be furnished with valve is set, the two ends of said working solution by-pass line respectively with the liquid rotary pump working solution circulating system in pipeline be connected, and be parallelly connected relation with said tank body.
Further, it is 100 order to 300 purpose stainless steel screen packs that specification is set on the cross section in said working solution by-pass line, and the cross section in the size of said stainless steel screen pack and shape and the said working solution by-pass line is complementary.
The utlity model has following beneficial effect:
1, through capturing the easy crystalline material in the pendular ring pump fluid, solves the phenomenon that crystal stops up heat exchanger and liquid rotary pump effectively, greatly alleviate the pressure that user's termination of pumping is safeguarded, overhauled.Why the utility model has such technique effect; Be because of after chilled water is continued to feed said crystallization cooling system, can in said tank body, form the topical hypothermia zone of its temperature far below the crystalline temperature of easy crystalline material, the area of passage of adding in the said tank body is big; The flow velocity of working solution is slow; It is abundant at said tank body intercrystalline to be prone to crystalline material, and the material after the crystallization then is filtered net and tackles, and is deposited in the tank body.
2, cleaning is easy, and does not influence the operate as normal of liquid rotary pump.Be provided with at said tank body under the preferred implementation of interface of hot water and cleaning fluid evacuation port; Only need to feed high-temperature-hot-water or the dissolving crystallized thing of high-temperature vapor, and can the utility model crystal trap be cleaned up through the waste liquid that crystal has been dissolved in the discharging of cleaning fluid evacuation port.Particularly, the setting of working solution by-pass line makes that the liquid rotary pump circulatory system still can operate as normal when cleaning the utility model crystal trap.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model crystal trap;
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the sketch map of screen pack;
Fig. 5 is the fundamental diagram of the utility model crystal trap.
The specific embodiment
The crystal trap of the utility model is the auxiliary equipment of liquid rotary pump working solution circulating system.The liquid rotary pump working solution circulating system comprises equipment and working solutions such as liquid rotary pump and heat exchanger, connects through pipeline between the equipment such as liquid rotary pump and heat exchanger.Implement can the crystal trap be installed between liquid rotary pump and the heat exchanger in the process of the utility model, be connected with heat exchanger with liquid rotary pump respectively through the pipeline in the liquid rotary pump working solution circulating system.
The crystal trap of the utility model comprises tank body, crystallization cooling system and screen pack.
Said tank body is provided with liquid rotary pump working solution inlet, leakage fluid dram; The effect of said working solution inlet is to make the working solution that is prone to crystalline material that contains that from liquid rotary pump, flows out get into tank body; The effect of working solution leakage fluid dram comes back in the liquid rotary pump after being the working solution entering heat exchanger that makes after treatment.The shape of said tank body can be carried out different designs according to the characteristics of the concrete workplace of liquid rotary pump.For example, if the height of workplace is lower, then said tank body is designed to horizontal comparatively ideal.If the area of workplace is less, then said tank body is designed to vertical comparatively ideal.In addition, also can also can said tank body be designed to other shapes such as sphere, hemispherical according to user's specific requirement.
Said crystallization cooling system comprises outside said tank body and being inserted within the said tank body; And the chilled water water inlet pipe, the outlet pipe that in said tank body, are communicated with; Its effect is; Through the lasting feeding of chilled water, in said tank body, form the regional area of its temperature far below the crystalline temperature of the easy crystalline material in the working solution, impel working solution rapid crystallization in tank body.
Need to prove, the water pipe in the said crystallization cooling system is divided into chilled water water inlet pipe and chilled water outlet pipe, is in order to explain the convenience of problem; In fact; In the process of implementing the utility model, chilled water water inlet pipe and chilled water outlet pipe can be complete water pipes, and the one of which end is that chilled water water inlet, the other end are the chilled water delivery port; Near the chilled water water inlet pipe that the water pipe of chilled water water inlet one end is partly called, the chilled water outlet pipe of other end meaning.Certainly; Chilled water water inlet pipe and chilled water outlet pipe also can be two independently water pipes; And its end of going deep into tank interior is all sealed; In this case, some pipelines that are communicated with chilled water water inlet pipe and chilled water outlet pipe respectively can be set separately, realize the circulation of chilled water in tank body through these pipelines.
In the process of implementing the utility model; Can said chilled water water inlet pipe, outlet pipe is set to screw type; Its effect is the contact area that enlarges the interior working solution of said chilled water water inlet pipe, outlet pipe and said tank body, so as more effectively to impel easy crystalline material in the working solution in tank body fully, crystallization apace.
Impel easy crystalline material in the working solution in tank body fully, the another one realistic plan of crystallization apace is; In tank body, increase by 1 layer or the cooling coil more than 1 layer; Said each layer cooling coil is fixedly connected on respectively on said chilled water water inlet pipe, the outlet pipe, and communicates with said chilled water water inlet pipe, outlet pipe.
For prevent part the material of crystallization get into heat exchanger along with the circulation of working solution even get back in the liquid rotary pump, the utility model need be provided with screen pack in tank body, said screen pack is arranged at said working solution leakage fluid dram place.Have corrosiveness owing to contain the working solution of impurity, so said screen pack is preferably selected stainless screen pack for use, the specification of said screen pack generally can be selected 30 to 100 purposes for use.As the case may be, like the difference of crystal kind, said screen pack also can be selected other specifications for use.
The crystal that forms in the tank body blocks screen pack prematurely; Preferably the working solution inlet is arranged on the bottom of said tank body; Said working solution leakage fluid dram is arranged on the top of said tank body; And said screen pack is arranged on the top of said tank body, the tank body cross section near the below at said working solution leakage fluid dram place, and the shape of said screen pack and size and cross section shape and the size of said tank body in this position are complementary.
In order to prevent the screen pack distortion, the screen pack that its size and shape and said screen pack are complementary can be set in said tank body, said screen pack is fixed on the said screen pack.
When crystal deposits to certain thickness in tank body after, need to clean tank body.For the ease of cleaning the crystal in the said tank body, the cleaning interface of hot water can be set at the top of said tank body; In the bottom of said tank body the cleaning fluid evacuation port is set.When the crystal of tank base deposition more for a long time; Cut off being connected of said crystal trap and working solution circulating system,, hot water is injected said tank body through cleaning the hot water mouth; After the crystal of waiting to be deposited on tank base is dissolved in hot water, clean through the clean-drain mouth discharging of bottom.
Be provided with in said tank base under the situation of washing lotion evacuation port; Contain the waste liquid that is prone to crystalline material for the ease of discharging, can below said tank body, the tank body leg be set; Making between washing lotion evacuation port and the ground has certain height, so that reclaim waste liquid with other equipment.In addition, the tank body leg is set, avoids the direct kiss the earth of tank body, also help protecting tank body.
For when cleaning said tank body; Do not influence the work of liquid rotary pump, the utility model has been set up the working solution by-pass line of being furnished with valve, the two ends of said working solution by-pass line respectively with the liquid rotary pump working solution circulating system in pipeline be connected; And be parallelly connected relation with said tank body; When cleaning tank body, open the valve on the said working solution by-pass line, the liquid rotary pump working solution can be realized circulation through the working solution by-pass line.During this period, continuing crystallization in the liquid rotary pump in order to stop in the working solution the fine particle of crystallization to be back to, can be 100 order to 300 purpose stainless steel screen packs in that specification is set in said working solution by-pass line.
More than introduced shape, structure and the operation principle of the utility model crystal trap, below, introduce the embodiment of the utility model particularly in conjunction with accompanying drawing.
Embodiment one
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model crystallization trap comprises tank body 1, and the bottom of tank body 1 is provided with working solution inlet a, and the top of tank body 1 is provided with working solution leakage fluid dram b.The top of tank body 1 is provided with cleans interface of hot water e, and its bottom is provided with cleaning fluid evacuation port c and tank body leg 10.
The top of tank body 1 also is respectively equipped with chilled water water inlet d1, discharge outlet d2, and chilled water water inlet pipe 2 and drainpipe 3 are deep into the bottom of bottom tank body 1 respectively from chilled water water inlet d1, the discharge outlet d2 at the top of tank body 1, and at the bottom lock of said tank body;
The inside of tank body 1 is provided with eight layers of that evenly arrange and vertical with the vertical section of tank body 1 annular cooling coil 4; Annular cooling coil 4 is weldingly fixed on chilled water water inlet pipe 2, the drainpipe 3, and is communicated with chilled water water inlet pipe 2, drainpipe 3, and each layer of annular cooling coil 4 all constitutes an independent chilled water circuit.
Why present embodiment gos deep into chilled water water inlet pipe 2, drainpipe 3 that the end of tank body 1 bottom is designed to seal, and is in order to let chilled water circulate through annular cooling coil 4 more fully.In addition, be connected more firmly between annular cooling coil 4 and chilled water water inlet pipe 2, the drainpipe 3, can also the coil pipe bracing piece be set in junction to annular cooling coil 4 and chilled water water inlet pipe 2, drainpipe 3 in order to make.
In the inner and upper of tank body 1, being provided with specification near the below of working solution leakage fluid dram b is 30 purpose stainless steel screen packs 6, and stainless steel screen pack 6 is fixed on the screen pack 7.For the ease of laying screen pack 7, the protruding support ring of a circle can be set at the inner surface of tank body 1, and screen pack 7 is placed on the support ring.
As shown in Figure 5, the working solution by-pass line f be furnished with valve is set outside said tank body, the two ends of working solution by-pass line f respectively with the liquid rotary pump working solution circulating system in pipeline be connected, and be parallelly connected relation with said tank body.On working solution by-pass line f, be furnished with valve g, also be furnished with valve at working solution inlet a, leakage fluid dram b place, the effect of above-mentioned valve is to be convenient to tank body 1 clean with the switching of working solution by-pass line f.
It is 100 order to 300 purpose stainless steel screen packs that specification is set on the cross section in working solution by-pass line f, and the cross section in the size of said stainless steel screen pack and shape and the said working solution by-pass line is complementary.
On near the pipeline the working solution inlet a, be furnished with on-the-spot Pressure gauge p1, near the pipeline the working solution leakage fluid dram b, be furnished with on-the-spot Pressure gauge p2, its effect is to be used to observe and the pressure differential of the working solution that relatively flows into tank body 1 with the working solution that flows out tank body 1.
Below, in conjunction with the application example of chemical field, further introduce the operation principle of present embodiment:
In the process of the utility model crystal trap work; Temperature is about 40 ℃ liquid rotary pump working solution and is carrying easy crystalline materials such as the naphthalene of the crystallization that is not able to do in time, phenol, anthracene secretly and flow to the tank body 1 from inlet 2; Because for the pipeline of working solution circulating system; Area of passage in the tank body 1 enlarges markedly, so the flow velocity of working solution drops to 0.076m/S from 1.9m/S, in tank body 1, spirals lentamente and upwards flows.Meanwhile; Chilled water water inlet pipe d1, drainpipe d2 are communicated with 5～7 ℃ chilled water; Chilled water flows in water inlet pipe d1, drainpipe d2 and annular cooling coil 4, with the temperature difference that about 40 ℃ working solution formation more than 30 is spent, causes carrying out heat exchange fast near part working solution and cooling water around chilled water water inlet pipe d1, drainpipe d2 and the annular cooling coil 4; Temperature sharply descends, thereby impels materials such as naphthalene, phenol, anthracene to crystallize into particle rapidly.
When crystalline particle is flowed through stainless steel screen pack 6 with working solution; Tackled; And progressively deposit to the bottom of tank body 1; When the crystal in the tank body 1 was cumulative, stainless steel screen pack 6 can be blocked gradually, thereby cause the working fluid pressure difference in working solution inlet pipeline and the working solution discharge line to increase.When the pressure differential of being measured as Pressure gauge p1 and Pressure gauge p2 increased to 0.02MPa, just explanation had needed cleaning tank body 1.
Clean at needs under the situation of tank body 1; For the liquid rotary pump working solution circulating system that is provided with automatic control system; Can send instruction by the control centre of automatic control system, slowly open the valve g on the working solution by-pass line f, close the mouth of pipe valve on working solution inlet a and the working solution leakage fluid dram b then; Cut-out tank body 1 is connected with working solution circulating system, temporarily lets working solution recycle through working solution by-pass line f.Meanwhile, close the water inlet d1 of chilled water, the valve on the discharge outlet d2, open the valve that cleans on the interface of hot water e, high-temperature-hot-water or high-temperature vapor are fed in the tank body 1 through cleaning interface of hot water e.After treating that crystal in the tank body 1 soaks about 10 minutes all dissolvings in hot water, open the valve on the clean-drain mouth c, the sewage that has dissolved crystal is discharged tank body 1.After treating that tank body 1 cleans up, control centre sends instruction, opens the valve on working solution inlet a, the leakage fluid dram b, closes the valve g on the working solution by-pass line f simultaneously.For the liquid rotary pump working solution circulating system that automatic control system is not set, above-mentioned steps can be accomplished by the staff.
During cleaning tank body 1; The particle of crystallization gets into heat exchanger through working solution by-pass line f; Being provided with specification on the cross section of present embodiment in working solution by-pass line f is 100 order to 300 purpose stainless steel screen packs, and the cross section in the size of said stainless steel screen pack and shape and the said working solution by-pass line is complementary.
More than introduced the specific embodiment of the utility model, particularly introduced an embodiment of the utility model, but it will be understood by those of skill in the art that the utility model does not receive the restriction of the above-mentioned specific embodiment with reference to accompanying drawing; The present invention also comprises the embodiment of multiple modification; For example; Cooling coil be not set; Chilled water water inlet pipe, outlet pipe are not designed under the screw type situation yet, can realize impelling the purpose of the easy crystalline material rapid crystallization in the working solution that gets into tank body on tank body yet through many water inlet pipes, outlet pipe are set.In a word, all within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. crystal trap, it is characterized in that: said crystal trap comprises tank body, crystallization cooling system and screen pack; Said tank body is provided with liquid rotary pump working solution inlet, leakage fluid dram; Said crystallization cooling system comprises chilled water water inlet pipe, outlet pipe, and said chilled water water inlet pipe, outlet pipe are inserted in the said tank body outside said tank body respectively, and in said tank body, are communicated with; Said screen pack is arranged on said working solution leakage fluid dram place.
2. crystal trap as claimed in claim 1 is characterized in that: said working solution inlet is arranged on the bottom of said tank body; Said working solution leakage fluid dram is arranged on the top of said tank body; Said screen pack is arranged on the top of said tank body, near the below at said working solution leakage fluid dram place, its shape is complementary with size and the cross section shape and the size of said tank body in this position.
3. crystal trap as claimed in claim 1 is characterized in that: the part that said chilled water water inlet pipe, outlet pipe insert in the said tank body is screw type.
4. crystal trap as claimed in claim 2; It is characterized in that: said crystallization cooling system also comprises 1 layer or the cooling coil more than 1 layer; Said each layer cooling coil is fixedly connected on respectively on said chilled water water inlet pipe, the outlet pipe, and communicates with said chilled water water inlet pipe, outlet pipe.
5. crystal trap as claimed in claim 4; It is characterized in that: the top of said tank body is provided with chilled water water inlet, discharge outlet; Said chilled water water inlet pipe, drainpipe are along the direction vertical with the cross section of said tank body; Be inserted into the bottom from water inlet, the discharge outlet at said tank body top respectively, and at the bottom lock of said tank body; Said cooling coil is weldingly fixed on said chilled water water inlet pipe, the drainpipe abreast, equably, and its number of plies is 6 to 12 layers.
6. crystal trap as claimed in claim 5 is characterized in that, is provided with the cleaning interface of hot water at the top of said tank body; Be provided with the cleaning fluid evacuation port in the bottom of said tank body; The tank body leg is set below said tank body.
7. like the described crystal trap of one of claim 1 to 6, it is characterized in that: the screen pack that its size and shape and said screen pack are complementary is set in said tank body, said screen pack is fixed on the said screen pack; It is 30 to 100 purpose stainless steel screen packs that said screen pack adopts specification.
8. like the described crystal trap of one of claim 1 to 6, it is characterized in that: near the pipeline said working solution inlet and the working solution leakage fluid dram, be furnished with on-the-spot Pressure gauge respectively.
9. like the described crystal trap of one of claim 1 to 6; It is characterized in that: outside said tank body; Setting is furnished with the working solution by-pass line of valve; The two ends of said working solution by-pass line respectively with the liquid rotary pump working solution circulating system in pipeline be connected, and be parallelly connected relation with said tank body.
10. crystal trap as claimed in claim 9; It is characterized in that: it is 100 order to 300 purpose stainless steel screen packs that specification is set on the cross section in said working solution by-pass line, and cross section size and shape in the size of said stainless steel screen pack and shape and the said working solution by-pass line are complementary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120187098U CN202143789U (en) | 2011-06-03 | 2011-06-03 | Crystal catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120187098U CN202143789U (en) | 2011-06-03 | 2011-06-03 | Crystal catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202143789U true CN202143789U (en) | 2012-02-15 |
Family
ID=45579726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120187098U Expired - Lifetime CN202143789U (en) | 2011-06-03 | 2011-06-03 | Crystal catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202143789U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861473A (en) * | 2012-08-30 | 2013-01-09 | 吴江市万事达环保溶剂有限公司 | Crystal substance trap |
| CN102878067A (en) * | 2012-08-30 | 2013-01-16 | 吴江市万事达环保溶剂有限公司 | Liquid ring pump avoiding crystal substance excess accumulation |
| CN105561652A (en) * | 2014-11-07 | 2016-05-11 | 中国石油天然气股份有限公司 | Filter for removing oligomer from liquid material and filtering method |
| CN107626117A (en) * | 2017-11-10 | 2018-01-26 | 大丰鑫源达化工有限公司 | A kind of organic solvent recovery device |
| CN107847858A (en) * | 2015-07-22 | 2018-03-27 | 爱德华兹有限公司 | For emptying the device of the corrosivity eluting gas stream from process chamber |
-
2011
- 2011-06-03 CN CN201120187098U patent/CN202143789U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102861473A (en) * | 2012-08-30 | 2013-01-09 | 吴江市万事达环保溶剂有限公司 | Crystal substance trap |
| CN102878067A (en) * | 2012-08-30 | 2013-01-16 | 吴江市万事达环保溶剂有限公司 | Liquid ring pump avoiding crystal substance excess accumulation |
| CN105561652A (en) * | 2014-11-07 | 2016-05-11 | 中国石油天然气股份有限公司 | Filter for removing oligomer from liquid material and filtering method |
| CN107847858A (en) * | 2015-07-22 | 2018-03-27 | 爱德华兹有限公司 | For emptying the device of the corrosivity eluting gas stream from process chamber |
| CN107847858B (en) * | 2015-07-22 | 2021-09-17 | 爱德华兹有限公司 | Apparatus for evacuating corrosive effluent gas stream from a process chamber |
| CN107626117A (en) * | 2017-11-10 | 2018-01-26 | 大丰鑫源达化工有限公司 | A kind of organic solvent recovery device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528000 Guangdong Province, Foshan city Chancheng District River Road No. 14 Patentee after: GUANGDONG KENFLO PUMP CO., LTD. Address before: 528000 Guangdong Province, Foshan city Chancheng District River Road No. 14 Patentee before: Guangdong Foshan Water Pump Factory Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120215 |