CN202626736U - Pipeline heater for processing papermaking pulp - Google Patents
Pipeline heater for processing papermaking pulp Download PDFInfo
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- CN202626736U CN202626736U CN 201220255300 CN201220255300U CN202626736U CN 202626736 U CN202626736 U CN 202626736U CN 201220255300 CN201220255300 CN 201220255300 CN 201220255300 U CN201220255300 U CN 201220255300U CN 202626736 U CN202626736 U CN 202626736U
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- housing
- pipe
- sleeve
- pulp
- pipeline heater
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Abstract
The utility model relates to a pipeline heater for processing papermaking pulp. The pipeline heater mainly consists of a housing, a sleeve, a pulp inlet circular tube, a pulp outlet circular tube, a sewage discharge tube and reinforced ribs, wherein the housing is of a hollow structure, the sleeve is a circular tube arranged in the cavity of the housing, one end of the sleeve is welded with the housing together, and the other end is maintained in an interval of 1-20 mm away from the housing, and the sleeve and the housing are connected through the reinforced ribs which are separated in a multistage manner; the pulp inlet circular tube and the pulp outlet circular tube are welded on the housing through the openings opened in two ends of the housing along the axial direction of the sleeve, three steam ports are opened in the housing along the radial direction of the sleeve and one sewage discharge tube is arranged on the housing along the radial direction of the sleeve, and the sewage discharge tube is arranged at the bottom of the housing; and flanges are arranged at all the three steam ports, and connected with a steam pipeline. The paper pulp is conveyed in the pipeline heater through one end connected with a pipe, and the steam from an air inlet tube enters the paper pulp through an annular gap to realize quick temperature raising to the paper pulp in the pipeline, so that the pipeline heater for processing the papermaking pulp has the characteristics of low cost, large heating capacity and small vibration, and the stable operation of the production process is guaranteed.
Description
Technical field
The utility model relates to a kind of heater, belongs to the industrialization heater, and pipeline heater is used in a kind of paper making pulp processing that specifically relates to the pulping and paper-making industry.
Background technology
In pulp production, especially in the middle and high concentration pulp bleaching process, reaction temperature normally influences one of key factor of bleaching efficiency.Therefore, need before paper pulp gets into bleaching tower, heat usually, improve the temperature of slurry, to reach the requirement of production technology to it.
At present, on producing, in order to improve the temperature of paper pulp; Normally on the pipeline between dense pump and the bleaching tower, directly opening connects steam pipe, this adding mode; Paper pulp is easy to get into steam pipe, cause stopping up and can not add steam, and when needs increasing throttle flow or pulp density is low, when paper pulp amount is few; Steam add that affiliation causes pipeline and the strenuous vibration of the equipment that is attached thereto, ordinary production and handling safety are caused adverse effect.To this; A lot of enterprises through in increase a double shaft mixer before the dense pump; In mixer, feed steam, or directly on the paper pulp conveyor screw, feed steam, improve the slurry temperature of dense pump in the entering; Adopt this mode can increase equipment investment undoubtedly, can not adapt to the requirement of producing fluctuation and higher reaction temperatures.
China utility model CN202099660 discloses " a kind of bamboo pulp steam heater ", and this heater also is directly to be welded on steam inlet duct on the heater housing, but stretches into heater inside to air inlet pipe, and acute angle is cut in the end.Though this mode has been improved the adding of steam, because tracheae stretches into heater inside, increased the resistance of paper pulp runner, when pulp density is higher, be easy to the card slurry; , slurry big at quantity of steam then can occur starching, the phenomenon of vapour shunting after a little while, causes the vibration of pipeline, makes production technology fluctuation occur.
The utility model content
The purpose of the utility model is to overcome the deficiency of prior art, and provide a kind of and add that heat is big, homogeneous heating, the suffered flow resistance of slurry be little, and the heater that adaptability is strong, cost is low.
The purpose of the utility model realizes through following technical scheme:
A kind of paper making pulp is handled and is used pipeline heater, mainly by housing, sleeve pipe, slurry import pipe, slurry outlet pipe, blow-off pipe and reinforcement; Housing is a cavity structure, and sleeve pipe is a pipe, is arranged in the cavity of housing, and an end and the housing of sleeve pipe weld together, and the other end and housing keep the gap of 1-20mm, and the reinforcement through fire resisting division between sleeve pipe and the housing is connected; On housing, along quill to, both ends open also is welded with slurry import pipe and the slurry outlet pipe, the mouth of pipe of slurry import pipe and slurry outlet pipe welds first flange and second flange respectively; Housing upper edge sleeve pipe radially; Have 3 vapor interfaces and a blow-off pipe; 3 vapor interfaces are respectively first vapor interface, second vapor interface and the 3rd vapor interface; Wherein first vapor interface and blow-off pipe are symmetrical set up and down, and second vapor interface and the 3rd vapor interface along the circumferential direction are 60 ° of angle symmetric arrays with vapor interface; Blow-off pipe is arranged on the bottom of housing; Blow-off pipe is provided with the 3rd flange, seals with blind plate; Be equipped with flange on three vapor interfaces, the flange jet chimney connects.
For further realizing the utility model purpose, said every grade of reinforcement is provided with 3 reinforcements.
Housing is welded by pipe and ellipsoidal head.
Around the axle center 4 inner bolt holes are set symmetrically and evenly on the flange that three vapor interfaces are provided with.
The clearance distance of sleeve pipe and housing is 5-15mm.
The diameter of said slurry import pipe 1 is greater than slurry outlet pipe 7.
With existing compared with techniques, the utlity model has following advantage and beneficial effect:
(1) because sleeve pipe is a cavity structure, when slurry passed through, flow resistance was little, card slurry phenomenon can not occur.
(2) because steam inlet duct does not directly contact with slurry, air inlet pipe is difficult for stopping up.
(3) because steam is to get into paper pulp through the annulus, steam adds more continuous even, and adaptability is strong.Special low when slurry concentration, when output is little, still can add steam on demand, keep stablizing of production technology.
(4) the utility model is simple in structure, does not have special highly difficult processing technology, and cost is low, and the integral installation complexion is prone to.
(5) the utility model can be according to manufacturing technique requirent, and separate unit and Duo Tai series connection are used, and satisfy the different temperatures requirement.
Description of drawings
Fig. 1 is that the utility model paper making pulp is handled the structural representation with pipeline heater.
Fig. 2 be among Fig. 1 B-B to sectional view.
Fig. 3 is the sectional view of Figure 1A to vapor interface.
Fig. 4 is that the utility model paper making pulp is handled the sketch map of on pipeline, installing with pipeline heater.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further, but the scope of the desired protection of the utility model is not limited to the scope described in the embodiment.
Like Fig. 1-shown in Figure 4, a kind of paper making pulp is handled and is used pipeline heater, mainly comprises housing 3, sleeve pipe 6, slurry import pipe 1, slurry outlet pipe 7, blow-off pipe 10, reinforcement 5, first flange 2, second flange 8, the 3rd flange 9.Housing 3 is a cavity structure, is welded by pipe and ellipsoidal head; Sleeve pipe 6 is a pipe, is arranged in the cavity of housing 3, and an end and the housing 3 of sleeve pipe 6 weld together, the gap that the other end and housing 3 keeps 1-20mm, and the reinforcement 5 through 2 fire resisting divisions between sleeve pipe 6 and the housing 3 is connected, and every grade of reinforcement 5 is provided with 3 reinforcements; On housing 3; Axial along sleeve pipe 6; Both ends open also is welded with slurry import pipe 1 and slurry outlet pipe 7; The diameter of slurry import pipe 1 is preferably greater than slurry outlet pipe 7, and the mouth of pipe of slurry import pipe 1 and slurry outlet pipe 7 welds first flange 2 respectively and second flange, 8, the first flanges 2 are connected with the paper pulp pipeline respectively with second flange 8; Slurry import pipe 1, slurry outlet pipe 7, first flange 2 are consistent with the longitudinal center line of second flange 8.Housing 3 upper edge sleeve pipes 6 radially; Have 3 vapor interfaces and 1 blow-off pipe 10; 3 vapor interfaces are respectively first vapor interface 11, second vapor interface 12 and the 3rd vapor interface 13; Wherein first vapor interface 11 and blow-off pipe about in the of 10 (180 °) be symmetrical set, second vapor interface 12 and the 3rd vapor interface 13 along the circumferential direction are 60 ° of angle symmetric arrays with vapor interface 11; Blow-off pipe 10 is arranged on the bottom of housing 3; Blow-off pipe 10 is provided with the 3rd flange 9, seals with blind plate 14 when normally using; Be equipped with the 4th flange 4 on three vapor interfaces, flange ring is provided with 4 inner bolt holes 15 symmetrically and evenly around the axle center, to be connected with jet chimney.
Paper pulp gets in the sleeve pipe 6 through slurry import pipe 1; Steam gets between sleeve pipe and the housing from vapor interface; And then, evenly mix with sleeve pipe 6 interior paper pulp, through the steam regulation addition through in the 1-20mm gap entering sleeve pipe 6 that is provided with between box face and the housing; Improve the paper pulp temperature to desirable value, the slurry after the Steam Heating gets into the paper pulp pipeline through slurry outlet pipe 7; When heater causes vapor interface to stop up in the gap gets into tube chamber because of slurry, can open the blind plate 14 of blow-off pipe 10, dredge or open vapor interface and dredge with steam with clear water.The gap that sleeve pipe and housing 3 keeps 1-20mm, when the slurry of coming when pulp pump got into heater, during greater than the pressure of paper pulp pipeline, steam is stable joining in the paper pulp continuously just at steam pressure.And because sleeve pipe is a cavity structure, when slurry passed through, flow resistance was little, card slurry phenomenon can not occur.Because steam inlet duct does not directly contact with slurry, air inlet pipe is difficult for stopping up; Because steam is to get into paper pulp through the annulus, steam adds more continuous even, and adaptability is strong.Special low when slurry concentration, when output is little, still can add steam on demand, keep stablizing of production technology.
A kind of paper making pulp processing of the utility model is simple in structure with pipeline heater, does not have special highly difficult processing technology, and cost is low, and the integral installation complexion is prone to, also can be according to manufacturing technique requirent, and separate unit and Duo Tai series connection are used, and satisfy the different temperatures requirement.
Claims (6)
1. a paper making pulp is handled and is used pipeline heater, it is characterized in that, mainly by housing, sleeve pipe, slurry import pipe, slurry outlet pipe, blow-off pipe and reinforcement; Housing is a cavity structure, and sleeve pipe is a pipe, is arranged in the cavity of housing, and an end and the housing of sleeve pipe weld together, and the other end and housing keep the gap of 1-20mm, and the reinforcement through fire resisting division between sleeve pipe and the housing is connected; On housing, along quill to, both ends open also is welded with slurry import pipe and the slurry outlet pipe, the mouth of pipe of slurry import pipe and slurry outlet pipe welds first flange and second flange respectively; Housing upper edge sleeve pipe radially; Have 3 vapor interfaces and a blow-off pipe; 3 vapor interfaces are respectively first vapor interface, second vapor interface and the 3rd vapor interface; Wherein first vapor interface and blow-off pipe are symmetrical set up and down, and second vapor interface and the 3rd vapor interface along the circumferential direction are 60 ° of angle symmetric arrays with vapor interface; Blow-off pipe is arranged on the bottom of housing; Blow-off pipe is provided with the 3rd flange, seals with blind plate; Be equipped with flange on three vapor interfaces, the flange jet chimney connects.
2. paper making pulp according to claim 1 is handled and is used pipeline heater, it is characterized in that said every grade of reinforcement is provided with 3 reinforcements.
3. paper making pulp according to claim 1 is handled and is used pipeline heater, it is characterized in that housing is welded by pipe and ellipsoidal head.
4. paper making pulp according to claim 1 is handled and is used pipeline heater, it is characterized in that, around the axle center 4 inner bolt holes is set symmetrically and evenly on the flange that three vapor interfaces are provided with.
5. paper making pulp according to claim 1 is handled and is used pipeline heater, it is characterized in that the clearance distance of sleeve pipe and housing is 5-15mm.
6. paper making pulp according to claim 1 is handled and is used pipeline heater, it is characterized in that the diameter of said slurry import pipe is greater than the slurry outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255300 CN202626736U (en) | 2012-05-31 | 2012-05-31 | Pipeline heater for processing papermaking pulp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220255300 CN202626736U (en) | 2012-05-31 | 2012-05-31 | Pipeline heater for processing papermaking pulp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202626736U true CN202626736U (en) | 2012-12-26 |
Family
ID=47379950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220255300 Expired - Fee Related CN202626736U (en) | 2012-05-31 | 2012-05-31 | Pipeline heater for processing papermaking pulp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202626736U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691223A (en) * | 2012-05-31 | 2012-09-26 | 华南理工大学 | Pulp pipeline heater |
-
2012
- 2012-05-31 CN CN 201220255300 patent/CN202626736U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102691223A (en) * | 2012-05-31 | 2012-09-26 | 华南理工大学 | Pulp pipeline heater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20180531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |