CN207161342U - A kind of ammonium nitrate solution pump of high leakproofness - Google Patents
A kind of ammonium nitrate solution pump of high leakproofness Download PDFInfo
- Publication number
- CN207161342U CN207161342U CN201721170279.3U CN201721170279U CN207161342U CN 207161342 U CN207161342 U CN 207161342U CN 201721170279 U CN201721170279 U CN 201721170279U CN 207161342 U CN207161342 U CN 207161342U
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- pump
- impeller
- bracket
- pump cover
- ammonium nitrate
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Abstract
It the utility model is related to a kind of ammonium nitrate solution pump of high leakproofness, including the pump housing, pump cover and bracket, the pump housing and pump cover are externally provided with insulation jacket, the pump housing is provided with inlet and liquid outlet, main impeller and accessory impeller are provided with the pump housing, fluid cavity is provided with main impeller, dividing plate is provided between accessory impeller and main impeller, pump shaft is provided with bracket, chuck is provided between pump shaft and main impeller, impeller nut is provided between chuck and pump shaft end, axle sleeve is provided between pump shaft and pump cover, cooling water ring and gland are provided between axle sleeve and pump cover, cooling water ring both sides are equipped with airtight and watertight padding, pump cover is provided with water nozzle, bearing block is provided between bracket and pump shaft, cooling chamber is provided between bearing block side and pump cover, bearing gland and bearing are provided between bearing block and pump shaft；The utility model effectively can prevent ammonium nitrate solution from crystallizing, and reduce axle temperature, and axle envelope good seal performance, pumped suitable for ammonium nitrate solution, improve stability and service life.
Description
Technical field
A kind of ammonium nitrate solution pump of high leakproofness is the utility model is related to, belongs to chemical industry pump technical field.
Background technology
Ammonium nitrate solution pump belongs to one kind of chemical pump, for pumping ammonium nitrate solution, in crystallization ammonium nitrate, high tower nitro-compound fertilizer
Etc. being widely used in production process, to improve product quality, reducing run, drip, leak, prevent from polluting, improve environment, play very
Big effect, its principle are impeller rotations at a high speed after turn on pump, and liquid therein rotates together with blade, in the effect of centrifugal force
Under, fly away from impeller and outwards project, the liquid of the injection speed in pump case diffuser casing is gradually slack-off, and pressure gradually increases, Ran Houcong
Pump discharge discharge pipe flows out.
Because ammonium nitrate solution easily crystallizes, flowing temperature need to be ensured, and the conveying of high-temperature medium to the structure of pump, material with
And accessory system proposes under requirements at the higher level, especially high temperature the problem of pump shaft service life declines and urgently improved, while without letting out
Leakage is the eternal pursuit of chemical industry equipment, and the static seal of seal form generally use sealing gasket of the prior art and sealing ring,
Standard machinery seals the requirement that can not meet pump.
Utility model content
The purpose of this utility model is the defects of being directed to prior art, there is provided a kind of ammonium nitrate solution pump of high leakproofness, can
Effectively prevent ammonium nitrate solution from crystallizing, reduce axle temperature, and axle envelope good seal performance, pumped suitable for ammonium nitrate solution, improve stability
And service life.
The utility model is achieved by the following technical solutions：
A kind of ammonium nitrate solution pump of high leakproofness, including the pump housing, pump cover and bracket, wherein, the pump housing and the pump cover peripheral hardware
There is insulation jacket, the pump housing is provided with inlet and liquid outlet, main impeller and accessory impeller, the main lobe are provided with the pump housing
Fluid cavity is provided with wheel, the fluid cavity connects with inlet and liquid outlet, and the accessory impeller is located in pump cover and main impeller
Be fixedly linked, and dividing plate be provided between main impeller, the divider ends between the pump housing and pump cover, the bracket base with
Pump cover coordinates and is fixedly linked with the pump housing；
Pump shaft is provided with the bracket, described pump shaft one end is through pump cover, accessory impeller and main impeller and main impeller
Provided with chuck, impeller nut is provided between chuck and the pump shaft end, is provided between the pump shaft and main impeller and accessory impeller
Fitting projection, axle sleeve is provided between the pump shaft and pump cover, cooling water ring and gland is provided between the axle sleeve and pump cover,
The cooling water ring both sides are equipped with airtight and watertight padding, and the gland is fixedly linked with pump cover and end is matched somebody with somebody with airtight and watertight padding
Close, the pump cover is provided with water nozzle, and the water nozzle connects with cooling water ring；
Bearing block is provided between the bracket and pump shaft, cooling chamber is provided between the bearing block side and pump cover, it is described
Pallet top is provided with the first pipe joint, and the bracket base is provided with dewatering outlet and the second pipe joint, first pipe joint, discharged water
Mouth and the second pipe joint are connected with cooling chamber, and bearing gland and bearing, the bearing are provided between the bearing block and pump shaft
Gland is located in cooling chamber and is fixedly linked with bearing block, outside framework oil seal is provided between the bearing side and bearing gland, separately
Interior card is equipped between side and bearing block.
A kind of ammonium nitrate solution pump of above-mentioned high leakproofness, wherein, seal groove is equipped with the accessory impeller and axle sleeve, it is described
Seal is provided between seal groove and pump shaft.
A kind of ammonium nitrate solution pump of above-mentioned high leakproofness, wherein, supporting plate is provided with the cooling chamber, in the supporting plate
Outer both sides respectively with bearing block and bracket engagement.
A kind of ammonium nitrate solution pump of above-mentioned high leakproofness, wherein, the bracket is provided with suspension ring and base.
The beneficial effects of the utility model are：
The utility model is compact-sized, reasonable in design, sets insulation jacket using outside the pump housing and pump cover, can be passed through steaming
Vapour, ensure ammonium nitrate solution fluid temperature (F.T.) using high temperature heat transfer, effectively prevent ammonium nitrate solution from crystallizing, while by the first pipe joint and the
Two pipe joints can be passed through cooling water to cooling chamber 23, enter cooling water ring through water nozzle, circulated using cooling water in cooling water ring
Heat transfer, axle temperature is reduced, improve the service life of pump；Being used on sealing structure has the main impeller of dividing plate and accessory impeller this
Double leaf wheel construction, accessory impeller can rotate to form dynamic seal with pump shaft, and filler and seal form stop seal, bearing and skeleton
Oil sealing improves pump shaft lubrication and the sealing property of cooling chamber 23, prevents from revealing, and stability of strutting system is good, so as to be applied to ammonium nitrate solution
Pumping, improve stability and service life.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
（In figure, the pump housing 1, pump cover 2 and bracket 3, insulation jacket 4, inlet 5 and liquid outlet 6, main impeller 7 and accessory impeller 8,
Fluid cavity 9, dividing plate 10, pump shaft 11, chuck 12, impeller nut 13, fitting projection 14, axle sleeve 15, seal groove 16, seal 17,
Cooling water ring 18 and gland 19, airtight and watertight padding 20, water nozzle 21, bearing block 22, cooling chamber 23, supporting plate 24, the first pipe connect
First 25, the pipe joint 27 of dewatering outlet 26 and second, bearing gland 28 and bearing 29, outside framework oil seal 30, interior card 31, suspension ring 32 and base
33）.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
A kind of ammonium nitrate solution pump of high leakproofness, including the pump housing 1, pump cover 2 and bracket 3, wherein, the pump housing 1 and pump cover 2
Insulation jacket 4 is externally provided with, the pump housing 1 is provided with inlet 5 and liquid outlet 6, main impeller 7 and accessory lobes are provided with the pump housing 1
Wheel 8, the main impeller 7 is interior to be provided with fluid cavity 9, and the fluid cavity 9 connects with inlet 5 and liquid outlet 6, the accessory impeller 8
It is fixedly linked in pump cover 2 with main impeller 7, and dividing plate 10 is provided between main impeller 7, the end of dividing plate 10 is located at the pump housing
Between 1 and pump cover 2, the bottom of bracket 3 coordinates with pump cover 2 and is fixedly linked with the pump housing 1；
Be provided with pump shaft 11 in the bracket 3, described one end of pump shaft 11 pass through pump cover 2, accessory impeller 8 and main impeller 7 and with master
Chuck 12 is provided between impeller 7, impeller nut 13, the pump shaft 11 and main lobe are provided between chuck 12 and pump shaft 11 end
Fitting projection 14 is provided between wheel 7 and accessory impeller 8, axle sleeve 15, the He of accessory impeller 8 are provided between the pump shaft 11 and pump cover 2
Seal groove 16 is equipped with axle sleeve 15, seal 17, the axle sleeve 15 and pump cover 2 are provided between the seal groove 16 and pump shaft 11
Between be provided with cooling water ring 18 and gland 19, the both sides of cooling water ring 18 are equipped with airtight and watertight padding 20, the filler pressure
Lid 19 is fixedly linked with pump cover 2 and end coordinates with airtight and watertight padding 20, and the pump cover 2 is provided with water nozzle 21, the water nozzle 21 with
Cooling water ring 18 connects；
Bearing block 22 is provided between the bracket 3 and pump shaft 11, cooling is provided between the side of bearing block 22 and pump cover 2
Chamber 23, the cooling chamber 23 is interior to be provided with supporting plate 24, matches somebody with somebody respectively with bearing block 22 and bracket 3 inside and outside the supporting plate 24
Close, the top of bracket 3 is provided with the first pipe joint 25, and the bottom of bracket 3 is provided with the pipe joint 27 of dewatering outlet 26 and second, described
First pipe joint 25, the pipe joint 27 of dewatering outlet 26 and second connect with cooling chamber 23, between the bearing block 22 and pump shaft 11
Provided with bearing gland 28 and bearing 29, the bearing gland 28 is located in cooling chamber 23 and is fixedly linked with bearing block 22, described
Outside framework oil seal 30 is provided between the side of bearing 29 and bearing gland 28, interior card 31, institute are equipped between opposite side and bearing block 22
State bracket 3 and be provided with suspension ring 32 and base 33, above-mentioned be fixedly linked is connected for screw thread.
Working method of the present utility model is：
Pump is installed by suspension ring 32 and base 33, pump shaft 11 assembles with PTO, and inlet 5 and liquid outlet 6 connect
Connect ammonium nitrate solution pipe, the first pipe joint 25 connects cooling water pipe with the second tubular construction, the rotation of pump shaft 11 can drive main impeller 7 with
Accessory impeller 8 rotates, and ammonium nitrate solution is sent into liquid outlet 6 through fluid cavity 9 by the pump of inlet 5 under the action of the centrifugal, realizes that ammonium nitrate is molten
Liquid pump is sent；Steam can be passed through by insulation jacket 4 simultaneously, ensure ammonium nitrate solution fluid temperature (F.T.) using high temperature heat transfer, effectively prevent nitre
Ammonium salt solution crystallizes, and can be passed through cooling water to cooling chamber 23 by the first pipe joint 25 and the second pipe joint 27, enter through water nozzle 21 cold
But water ring 18, using cooling water in cooling water ring 18 circulating heat transfer, reduce axle temperature, the cooling water after heat transfer is by the row of dewatering outlet 26
Go out, the rigidity of support of supporting plate 24 is high, and seal 17, bearing and outside framework oil seal 30 improve pump shaft 11 and lubricated and the sealing of cooling chamber 23
Performance, prevent from revealing, improve the service life of pump.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover in the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with
The protection domain of claims is defined.
Claims (4)
1. a kind of ammonium nitrate solution pump of high leakproofness, including the pump housing, pump cover and bracket, it is characterized in that, outside the pump housing and pump cover
Provided with insulation jacket, the pump housing is provided with inlet and liquid outlet, and main impeller and accessory impeller, the master are provided with the pump housing
Fluid cavity is provided with impeller, the fluid cavity connects with inlet and liquid outlet, and the accessory impeller is located in pump cover and main lobe
Wheel is fixedly linked, and dividing plate is provided between main impeller, and the divider ends are between the pump housing and pump cover, the bracket base
Coordinate with pump cover and be fixedly linked with the pump housing；
Pump shaft is provided with the bracket, described pump shaft one end is provided with through pump cover, accessory impeller and main impeller and main impeller
Chuck, impeller nut is provided between chuck and the pump shaft end, be provided with and coordinate between the pump shaft and main impeller and accessory impeller
Projection, axle sleeve is provided between the pump shaft and pump cover, cooling water ring and gland are provided between the axle sleeve and pump cover, it is described
Cooling water ring both sides are equipped with airtight and watertight padding, and the gland is fixedly linked with pump cover and end coordinates with airtight and watertight padding, institute
State pump cover and be provided with water nozzle, the water nozzle connects with cooling water ring；
Bearing block is provided between the bracket and pump shaft, cooling chamber, the bracket are provided between the bearing block side and pump cover
Top is provided with the first pipe joint, and the bracket base is provided with dewatering outlet and the second pipe joint, first pipe joint, dewatering outlet and
Second pipe joint is connected with cooling chamber, and bearing gland and bearing, the bearing gland are provided between the bearing block and pump shaft
It is fixedly linked in cooling chamber and with bearing block, outside framework oil seal, opposite side is provided between the bearing side and bearing gland
Interior card is equipped between bearing block.
2. a kind of ammonium nitrate solution pump of high leakproofness as claimed in claim 1, it is characterized in that, in the accessory impeller and axle sleeve
Provided with seal groove, seal is provided between the seal groove and pump shaft.
3. a kind of ammonium nitrate solution pump of high leakproofness as claimed in claim 1, it is characterized in that, support is provided with the cooling chamber
Plate, inside and outside the supporting plate respectively with bearing block and bracket engagement.
4. a kind of ammonium nitrate solution pump of high leakproofness as claimed in claim 1, it is characterized in that, the bracket be provided with suspension ring and
Base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170279.3U CN207161342U (en) | 2017-09-12 | 2017-09-12 | A kind of ammonium nitrate solution pump of high leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170279.3U CN207161342U (en) | 2017-09-12 | 2017-09-12 | A kind of ammonium nitrate solution pump of high leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161342U true CN207161342U (en) | 2018-03-30 |
Family
ID=61721305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721170279.3U Active CN207161342U (en) | 2017-09-12 | 2017-09-12 | A kind of ammonium nitrate solution pump of high leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161342U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648997A (en) * | 2020-06-09 | 2020-09-11 | 长沙佳能通用泵业有限公司 | High-pressure end sealing mechanism of ore pulp multistage centrifugal pump |
| CN113915144A (en) * | 2021-09-17 | 2022-01-11 | 湖南精工特泵有限公司 | Condensation pump |
-
2017
- 2017-09-12 CN CN201721170279.3U patent/CN207161342U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648997A (en) * | 2020-06-09 | 2020-09-11 | 长沙佳能通用泵业有限公司 | High-pressure end sealing mechanism of ore pulp multistage centrifugal pump |
| CN113915144A (en) * | 2021-09-17 | 2022-01-11 | 湖南精工特泵有限公司 | Condensation pump |
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